stackit/internal/services/sqlserverflexalpha/database/datasource.go

@@ -2,9 +2,12 @@ package sqlserverflexalpha
 
 import (
 	"context"
+	"fmt"
+	"net/http"
 
 	"github.com/hashicorp/terraform-plugin-framework/datasource"
 	"github.com/hashicorp/terraform-plugin-framework/datasource/schema"
+	"github.com/hashicorp/terraform-plugin-framework/diag"
 	"github.com/hashicorp/terraform-plugin-framework/types"
 	"github.com/hashicorp/terraform-plugin-log/tflog"
 	"tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/pkg_gen/sqlserverflexalpha"
@@ -12,6 +15,7 @@ import (
 	"tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/stackit/internal/core"
 	sqlserverflexalphaGen "tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/stackit/internal/services/sqlserverflexalpha/database/datasources_gen"
 	sqlserverflexUtils "tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/stackit/internal/services/sqlserverflexalpha/utils"
+	"tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/stackit/internal/utils"
 )
 
 // dataSourceModel maps the data source schema data.
@@ -22,6 +26,7 @@ type dataSourceModel struct {
 
 var _ datasource.DataSource = (*databaseDataSource)(nil)
 
+// NewDatabaseDataSource creates a new database data source.
 func NewDatabaseDataSource() datasource.DataSource {
 	return &databaseDataSource{}
 }
@@ -31,6 +36,7 @@ type databaseDataSource struct {
 	providerData core.ProviderData
 }
 
+// Metadata returns the data source type name.
 func (d *databaseDataSource) Metadata(
 	_ context.Context,
 	req datasource.MetadataRequest,
@@ -39,6 +45,7 @@ func (d *databaseDataSource) Metadata(
 	resp.TypeName = req.ProviderTypeName + "_sqlserverflexalpha_database"
 }
 
+// Schema defines the data source schema.
 func (d *databaseDataSource) Schema(ctx context.Context, _ datasource.SchemaRequest, resp *datasource.SchemaResponse) {
 	s := sqlserverflexalphaGen.DatabaseDataSourceSchema(ctx)
 	s.Attributes["id"] = schema.StringAttribute{
@@ -67,24 +74,92 @@ func (d *databaseDataSource) Configure(
 		return
 	}
 	d.client = apiClient
-	tflog.Info(ctx, "SQL SERVER Flex database client configured")
+	tflog.Info(ctx, "SQL SERVER Flex alpha database client configured")
 }
 
+// Read retrieves the resource's state from the API.
 func (d *databaseDataSource) Read(ctx context.Context, req datasource.ReadRequest, resp *datasource.ReadResponse) {
-	var data dataSourceModel
-
-	// Read Terraform configuration data into the model
-	resp.Diagnostics.Append(req.Config.Get(ctx, &data)...)
 
+	var model dataSourceModel
+	diags := req.Config.Get(ctx, &model)
+	resp.Diagnostics.Append(diags...)
 	if resp.Diagnostics.HasError() {
 		return
 	}
 
-	// Todo: Read API call logic
+	ctx = core.InitProviderContext(ctx)
 
-	// Example data value setting
+	// Extract identifiers from the plan
-	// data.Id = types.StringValue("example-id")
+	projectId := model.ProjectId.ValueString()
+	instanceId := model.InstanceId.ValueString()
+	region := d.providerData.GetRegionWithOverride(model.Region)
+	databaseName := model.DatabaseName.ValueString()
 
-	// Save data into Terraform state
+	ctx = tflog.SetField(ctx, "project_id", projectId)
-	resp.Diagnostics.Append(resp.State.Set(ctx, &data)...)
+	ctx = tflog.SetField(ctx, "instance_id", instanceId)
+	ctx = tflog.SetField(ctx, "region", region)
+	ctx = tflog.SetField(ctx, "database_name", databaseName)
+
+	// Fetch database from the API
+	databaseResp, err := d.client.GetDatabaseRequest(ctx, projectId, region, instanceId, databaseName).Execute()
+
+	if resp.Diagnostics.HasError() {
+		return
+	}
+	if err != nil {
+		handleReadError(ctx, &resp.Diagnostics, err, projectId, instanceId)
+		resp.State.RemoveResource(ctx)
+		return
+	}
+
+	ctx = core.LogResponse(ctx)
+
+	// Map response body to schema and populate Computed attribute values
+	err = mapFields(databaseResp, &model, region)
+	if err != nil {
+		core.LogAndAddError(
+			ctx,
+			&resp.Diagnostics,
+			"Error reading database",
+			fmt.Sprintf("Processing API payload: %v", err),
+		)
+		return
+	}
+
+	// Set refreshed state
+	diags = resp.State.Set(ctx, model)
+	resp.Diagnostics.Append(diags...)
+	if resp.Diagnostics.HasError() {
+		return
+	}
+
+	tflog.Info(ctx, "SQL Server Flex alpha database read")
+}
+
+// handleReadError centralizes API error handling for the Read operation.
+func handleReadError(ctx context.Context, diags *diag.Diagnostics, err error, projectId, instanceId string) {
+	utils.LogError(
+		ctx,
+		diags,
+		err,
+		"Reading database",
+		fmt.Sprintf(
+			"Could not retrieve database for instance %q in project %q.",
+			instanceId,
+			projectId,
+		),
+		map[int]string{
+			http.StatusBadRequest: fmt.Sprintf(
+				"Invalid request parameters for project %q and instance %q.",
+				projectId,
+				instanceId,
+			),
+			http.StatusNotFound: fmt.Sprintf(
+				"Database, instance %q, or project %q not found.",
+				instanceId,
+				projectId,
+			),
+			http.StatusForbidden: fmt.Sprintf("Forbidden access to project %q.", projectId),
+		},
+	)
 }

stackit/internal/services/sqlserverflexalpha/database/mapper.go

@@ -0,0 +1,97 @@
+package sqlserverflexalpha
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/hashicorp/terraform-plugin-framework/types"
+	"tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/pkg_gen/sqlserverflexalpha"
+	"tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/stackit/internal/utils"
+)
+
+// mapFields maps fields from a ListDatabase API response to a resourceModel for the data source.
+func mapFields(source *sqlserverflexalpha.GetDatabaseResponse, model *dataSourceModel, region string) error {
+	if source == nil {
+		return fmt.Errorf("response is nil")
+	}
+	if source.Id == nil || *source.Id == 0 {
+		return fmt.Errorf("id not present")
+	}
+	if model == nil {
+		return fmt.Errorf("model given is nil")
+	}
+
+	var databaseId int64
+	if model.Id.ValueInt64() != 0 {
+		databaseId = model.Id.ValueInt64()
+	} else if source.Id != nil {
+		databaseId = *source.Id
+	} else {
+		return fmt.Errorf("database id not present")
+	}
+
+	model.Id = types.Int64Value(databaseId)
+	model.DatabaseName = types.StringValue(source.GetName())
+	model.Name = types.StringValue(source.GetName())
+	model.Owner = types.StringValue(strings.Trim(source.GetOwner(), "\""))
+	model.Region = types.StringValue(region)
+	model.ProjectId = types.StringValue(model.ProjectId.ValueString())
+	model.InstanceId = types.StringValue(model.InstanceId.ValueString())
+	model.CompatibilityLevel = types.Int64Value(source.GetCompatibilityLevel())
+	model.CollationName = types.StringValue(source.GetCollationName())
+
+	model.TerraformID = utils.BuildInternalTerraformId(
+		model.ProjectId.ValueString(),
+		region,
+		model.InstanceId.ValueString(),
+		model.DatabaseName.ValueString(),
+	)
+
+	return nil
+}
+
+// mapResourceFields maps fields from a ListDatabase API response to a resourceModel for the resource.
+func mapResourceFields(source *sqlserverflexalpha.GetDatabaseResponse, model *resourceModel, region string) error {
+	if source == nil {
+		return fmt.Errorf("response is nil")
+	}
+	if source.Id == nil || *source.Id == 0 {
+		return fmt.Errorf("id not present")
+	}
+	if model == nil {
+		return fmt.Errorf("model input is nil")
+	}
+
+	var databaseId int64
+	if model.Id.ValueInt64() != 0 {
+		databaseId = model.Id.ValueInt64()
+	} else if source.Id != nil {
+		databaseId = *source.Id
+	} else {
+		return fmt.Errorf("database id not present")
+	}
+
+	model.Id = types.Int64Value(databaseId)
+	model.DatabaseName = types.StringValue(source.GetName())
+	model.Name = types.StringValue(source.GetName())
+	model.Owner = types.StringValue(strings.Trim(source.GetOwner(), "\""))
+	model.Region = types.StringValue(region)
+	model.ProjectId = types.StringValue(model.ProjectId.ValueString())
+	model.InstanceId = types.StringValue(model.InstanceId.ValueString())
+
+	return nil
+}
+
+// toCreatePayload converts the resource model to an API create payload.
+func toCreatePayload(model *resourceModel) (*sqlserverflexalpha.CreateDatabaseRequestPayload, error) {
+	if model == nil {
+		return nil, fmt.Errorf("nil model")
+	}
+
+	return &sqlserverflexalpha.CreateDatabaseRequestPayload{
+		Name:          model.Name.ValueStringPointer(),
+		Owner:         model.Owner.ValueStringPointer(),
+		Collation:     model.Collation.ValueStringPointer(),
+		Compatibility: model.Compatibility.ValueInt64Pointer(),
+	}, nil
+}

stackit/internal/services/sqlserverflexalpha/database/mapper_test.go

@@ -0,0 +1,227 @@
+package sqlserverflexalpha
+
+import (
+	"testing"
+
+	"github.com/google/go-cmp/cmp"
+	"github.com/hashicorp/terraform-plugin-framework/types"
+	"github.com/stackitcloud/stackit-sdk-go/core/utils"
+	"tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/pkg_gen/sqlserverflexalpha"
+	datasource "tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/stackit/internal/services/sqlserverflexalpha/database/datasources_gen"
+)
+
+func TestMapFields(t *testing.T) {
+	type given struct {
+		source *sqlserverflexalpha.GetDatabaseResponse
+		model  *dataSourceModel
+		region string
+	}
+	type expected struct {
+		model *dataSourceModel
+		err   bool
+	}
+
+	testcases := []struct {
+		name     string
+		given    given
+		expected expected
+	}{
+		{
+			name: "should map fields correctly",
+			given: given{
+				source: &sqlserverflexalpha.GetDatabaseResponse{
+					Id:                 utils.Ptr(int64(1)),
+					Name:               utils.Ptr("my-db"),
+					CollationName:      utils.Ptr("collation"),
+					CompatibilityLevel: utils.Ptr(int64(150)),
+					Owner:              utils.Ptr("\"my-owner\""),
+				},
+				model: &dataSourceModel{
+					DatabaseModel: datasource.DatabaseModel{
+						ProjectId:  types.StringValue("my-project"),
+						InstanceId: types.StringValue("my-instance"),
+					},
+				},
+				region: "eu01",
+			},
+			expected: expected{
+				model: &dataSourceModel{
+					DatabaseModel: datasource.DatabaseModel{
+						Id:                 types.Int64Value(1),
+						Name:               types.StringValue("my-db"),
+						DatabaseName:       types.StringValue("my-db"),
+						Owner:              types.StringValue("my-owner"),
+						Region:             types.StringValue("eu01"),
+						InstanceId:         types.StringValue("my-instance"),
+						ProjectId:          types.StringValue("my-project"),
+						CompatibilityLevel: types.Int64Value(150),
+						CollationName:      types.StringValue("collation"),
+					},
+					TerraformID: types.StringValue("my-project,eu01,my-instance,my-db"),
+				},
+			},
+		},
+		{
+			name: "should fail on nil source",
+			given: given{
+				source: nil,
+				model:  &dataSourceModel{},
+			},
+			expected: expected{err: true},
+		},
+		{
+			name: "should fail on nil source ID",
+			given: given{
+				source: &sqlserverflexalpha.GetDatabaseResponse{Id: nil},
+				model:  &dataSourceModel{},
+			},
+			expected: expected{err: true},
+		},
+		{
+			name: "should fail on nil model",
+			given: given{
+				source: &sqlserverflexalpha.GetDatabaseResponse{Id: utils.Ptr(int64(1))},
+				model:  nil,
+			},
+			expected: expected{err: true},
+		},
+	}
+
+	for _, tc := range testcases {
+		t.Run(
+			tc.name, func(t *testing.T) {
+				err := mapFields(tc.given.source, tc.given.model, tc.given.region)
+				if (err != nil) != tc.expected.err {
+					t.Fatalf("expected error: %v, got: %v", tc.expected.err, err)
+				}
+				if err == nil {
+					if diff := cmp.Diff(tc.expected.model, tc.given.model); diff != "" {
+						t.Errorf("model mismatch (-want +got):\n%s", diff)
+					}
+				}
+			},
+		)
+	}
+}
+
+func TestMapResourceFields(t *testing.T) {
+	type given struct {
+		source *sqlserverflexalpha.GetDatabaseResponse
+		model  *resourceModel
+		region string
+	}
+	type expected struct {
+		model *resourceModel
+		err   bool
+	}
+
+	testcases := []struct {
+		name     string
+		given    given
+		expected expected
+	}{
+		{
+			name: "should map fields correctly",
+			given: given{
+				source: &sqlserverflexalpha.GetDatabaseResponse{
+					Id:    utils.Ptr(int64(1)),
+					Name:  utils.Ptr("my-db"),
+					Owner: utils.Ptr("\"my-owner\""),
+				},
+				model: &resourceModel{
+					ProjectId:  types.StringValue("my-project"),
+					InstanceId: types.StringValue("my-instance"),
+				},
+				region: "eu01",
+			},
+			expected: expected{
+				model: &resourceModel{
+					Id:           types.Int64Value(1),
+					Name:         types.StringValue("my-db"),
+					DatabaseName: types.StringValue("my-db"),
+					InstanceId:   types.StringValue("my-instance"),
+					ProjectId:    types.StringValue("my-project"),
+					Region:       types.StringValue("eu01"),
+					Owner:        types.StringValue("my-owner"),
+				},
+			},
+		},
+		{
+			name: "should fail on nil source",
+			given: given{
+				source: nil,
+				model:  &resourceModel{},
+			},
+			expected: expected{err: true},
+		},
+	}
+
+	for _, tc := range testcases {
+		t.Run(
+			tc.name, func(t *testing.T) {
+				err := mapResourceFields(tc.given.source, tc.given.model, tc.given.region)
+				if (err != nil) != tc.expected.err {
+					t.Fatalf("expected error: %v, got: %v", tc.expected.err, err)
+				}
+				if err == nil {
+					if diff := cmp.Diff(tc.expected.model, tc.given.model); diff != "" {
+						t.Errorf("model mismatch (-want +got):\n%s", diff)
+					}
+				}
+			},
+		)
+	}
+}
+
+func TestToCreatePayload(t *testing.T) {
+	type given struct {
+		model *resourceModel
+	}
+	type expected struct {
+		payload *sqlserverflexalpha.CreateDatabaseRequestPayload
+		err     bool
+	}
+
+	testcases := []struct {
+		name     string
+		given    given
+		expected expected
+	}{
+		{
+			name: "should convert model to payload",
+			given: given{
+				model: &resourceModel{
+					Name:  types.StringValue("my-db"),
+					Owner: types.StringValue("my-owner"),
+				},
+			},
+			expected: expected{
+				payload: &sqlserverflexalpha.CreateDatabaseRequestPayload{
+					Name:  utils.Ptr("my-db"),
+					Owner: utils.Ptr("my-owner"),
+				},
+			},
+		},
+		{
+			name:     "should fail on nil model",
+			given:    given{model: nil},
+			expected: expected{err: true},
+		},
+	}
+
+	for _, tc := range testcases {
+		t.Run(
+			tc.name, func(t *testing.T) {
+				actual, err := toCreatePayload(tc.given.model)
+				if (err != nil) != tc.expected.err {
+					t.Fatalf("expected error: %v, got: %v", tc.expected.err, err)
+				}
+				if err == nil {
+					if diff := cmp.Diff(tc.expected.payload, actual); diff != "" {
+						t.Errorf("payload mismatch (-want +got):\n%s", diff)
+					}
+				}
+			},
+		)
+	}
+}

stackit/internal/services/sqlserverflexalpha/database/resource.go

@@ -3,7 +3,9 @@ package sqlserverflexalpha
 import (
 	"context"
 	_ "embed"
+	"errors"
 	"fmt"
+	"net/http"
 	"strconv"
 	"strings"
 
@@ -13,6 +15,7 @@ import (
 	"github.com/hashicorp/terraform-plugin-framework/types"
 	"github.com/hashicorp/terraform-plugin-log/tflog"
 	"github.com/stackitcloud/stackit-sdk-go/core/config"
+	"github.com/stackitcloud/stackit-sdk-go/core/oapierror"
 	"tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/pkg_gen/sqlserverflexalpha"
 	"tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/stackit/internal/conversion"
 
@@ -28,6 +31,13 @@ var (
 	_ resource.ResourceWithImportState = &databaseResource{}
 	_ resource.ResourceWithModifyPlan  = &databaseResource{}
 	_ resource.ResourceWithIdentity    = &databaseResource{}
+
+	// Define errors
+	errDatabaseNotFound = errors.New("database not found")
+
+	// Error message constants
+	extractErrorSummary = "extracting failed"
+	extractErrorMessage = "Extracting identity data: %v"
 )
 
 func NewDatabaseResource() resource.Resource {
@@ -137,73 +147,230 @@ func (r *databaseResource) Configure(
 }
 
 func (r *databaseResource) Create(ctx context.Context, req resource.CreateRequest, resp *resource.CreateResponse) {
-	var data sqlserverflexalphaGen.DatabaseModel
+	var model resourceModel
-
-	// Read Terraform plan data into the model
-	resp.Diagnostics.Append(req.Plan.Get(ctx, &data)...)
 
+	diags := req.Plan.Get(ctx, &model)
+	resp.Diagnostics.Append(diags...)
 	if resp.Diagnostics.HasError() {
 		return
 	}
 
-	// TODO: Create API call logic
+	// Read identity data
+	var identityData DatabaseResourceIdentityModel
+	resp.Diagnostics.Append(req.Identity.Get(ctx, &identityData)...)
+	if resp.Diagnostics.HasError() {
+		return
+	}
 
-	// Example data value setting
+	ctx = core.InitProviderContext(ctx)
-	// data.DatabaseId = types.StringValue("id-from-response")
 
-	// Save data into Terraform state
+	projectId := identityData.ProjectID.ValueString()
-	resp.Diagnostics.Append(resp.State.Set(ctx, &data)...)
+	region := identityData.ProjectID.ValueString()
+	instanceId := identityData.InstanceID.ValueString()
+
+	ctx = tflog.SetField(ctx, "project_id", projectId)
+	ctx = tflog.SetField(ctx, "instance_id", instanceId)
+	ctx = tflog.SetField(ctx, "region", region)
+
+	// Generate API request body from model
+	payload, err := toCreatePayload(&model)
+	if err != nil {
+		core.LogAndAddError(
+			ctx,
+			&resp.Diagnostics,
+			"Error creating database",
+			fmt.Sprintf("Creating API payload: %v", err),
+		)
+		return
+	}
+	// Create new database
+	databaseResp, err := r.client.CreateDatabaseRequest(
+		ctx,
+		projectId,
+		region,
+		instanceId,
+	).CreateDatabaseRequestPayload(*payload).Execute()
+	if err != nil {
+		core.LogAndAddError(ctx, &resp.Diagnostics, "Error creating database", fmt.Sprintf("Calling API: %v", err))
+		return
+	}
+
+	ctx = core.LogResponse(ctx)
+
+	if databaseResp == nil || databaseResp.Id == nil {
+		core.LogAndAddError(
+			ctx,
+			&resp.Diagnostics,
+			"Error creating database",
+			"API didn't return database Id. A database might have been created",
+		)
+		return
+	}
+
+	databaseId := *databaseResp.Id
+	databaseName := model.DatabaseName.String()
+
+	ctx = tflog.SetField(ctx, "database_id", databaseId)
+	ctx = tflog.SetField(ctx, "database_name", databaseName)
+
+	ctx = core.LogResponse(ctx)
+
+	database, err := r.client.GetDatabaseRequest(ctx, projectId, region, instanceId, databaseName).Execute()
+	if err != nil {
+		core.LogAndAddError(
+			ctx,
+			&resp.Diagnostics,
+			"Error creating database",
+			fmt.Sprintf("Getting database details after creation: %v", err),
+		)
+		return
+	}
+
+	// Map response body to schema
+	err = mapResourceFields(database, &model, region)
+	if err != nil {
+		core.LogAndAddError(
+			ctx,
+			&resp.Diagnostics,
+			"Error creating database",
+			fmt.Sprintf("Processing API payload: %v", err),
+		)
+		return
+	}
+
+	// Set data returned by API in identity
+	identity := DatabaseResourceIdentityModel{
+		ProjectID:    types.StringValue(projectId),
+		Region:       types.StringValue(region),
+		InstanceID:   types.StringValue(instanceId),
+		DatabaseName: types.StringValue(databaseName),
+	}
+	resp.Diagnostics.Append(resp.Identity.Set(ctx, identity)...)
+	if resp.Diagnostics.HasError() {
+		return
+	}
+
+	// Set state to fully populated data
+	resp.Diagnostics.Append(resp.State.Set(ctx, model)...)
+	if resp.Diagnostics.HasError() {
+		return
+	}
 
 	tflog.Info(ctx, "sqlserverflexalpha.Database created")
 }
 
 func (r *databaseResource) Read(ctx context.Context, req resource.ReadRequest, resp *resource.ReadResponse) {
-	var data resourceModel
+	var model resourceModel
-
+	diags := req.State.Get(ctx, &model)
-	// Read Terraform prior state data into the model
+	resp.Diagnostics.Append(diags...)
-	resp.Diagnostics.Append(req.State.Get(ctx, &data)...)
-
 	if resp.Diagnostics.HasError() {
 		return
 	}
 
-	// Todo: Read API call logic
+	// Read identity data
+	var identityData DatabaseResourceIdentityModel
+	resp.Diagnostics.Append(req.Identity.Get(ctx, &identityData)...)
+	if resp.Diagnostics.HasError() {
+		return
+	}
 
-	// Save updated data into Terraform state
+	ctx = core.InitProviderContext(ctx)
-	resp.Diagnostics.Append(resp.State.Set(ctx, &data)...)
+
+	projectId, instanceId, region, databaseName, errExt := r.extractIdentityData(model, identityData)
+	if errExt != nil {
+		core.LogAndAddError(
+			ctx,
+			&resp.Diagnostics,
+			extractErrorSummary,
+			fmt.Sprintf(extractErrorMessage, errExt),
+		)
+	}
+
+	ctx = tflog.SetField(ctx, "project_id", projectId)
+	ctx = tflog.SetField(ctx, "instance_id", instanceId)
+	ctx = tflog.SetField(ctx, "region", region)
+	ctx = tflog.SetField(ctx, "database_name", databaseName)
+
+	databaseResp, err := r.client.GetDatabaseRequest(ctx, projectId, region, instanceId, databaseName).Execute()
+	if err != nil {
+		oapiErr, ok := err.(*oapierror.GenericOpenAPIError) //nolint:errorlint //complaining that error.As should be used to catch wrapped errors, but this error should not be wrapped
+		if (ok && oapiErr.StatusCode == http.StatusNotFound) || errors.Is(err, errDatabaseNotFound) {
+			resp.State.RemoveResource(ctx)
+			return
+		}
+		core.LogAndAddError(ctx, &resp.Diagnostics, "Error reading database", fmt.Sprintf("Calling API: %v", err))
+		return
+	}
+
+	ctx = core.LogResponse(ctx)
+
+	// Map response body to schema
+	err = mapResourceFields(databaseResp, &model, region)
+	if err != nil {
+		core.LogAndAddError(
+			ctx,
+			&resp.Diagnostics,
+			"Error reading database",
+			fmt.Sprintf("Processing API payload: %v", err),
+		)
+		return
+	}
+
+	// Set refreshed state
+	diags = resp.State.Set(ctx, model)
+	resp.Diagnostics.Append(diags...)
+	if resp.Diagnostics.HasError() {
+		return
+	}
 
 	tflog.Info(ctx, "sqlserverflexalpha.Database read")
 }
 
-func (r *databaseResource) Update(ctx context.Context, req resource.UpdateRequest, resp *resource.UpdateResponse) {
+func (r *databaseResource) Update(ctx context.Context, _ resource.UpdateRequest, resp *resource.UpdateResponse) {
-	var data resourceModel
+	// TODO: Check update api endpoint - not available at the moment, so return an error for now
-
+	core.LogAndAddError(ctx, &resp.Diagnostics, "Error updating database", "Database can't be updated")
-	// Read Terraform plan data into the model
-	resp.Diagnostics.Append(req.Plan.Get(ctx, &data)...)
-
-	if resp.Diagnostics.HasError() {
-		return
-	}
-
-	// Todo: Update API call logic
-
-	// Save updated data into Terraform state
-	resp.Diagnostics.Append(resp.State.Set(ctx, &data)...)
-
-	tflog.Info(ctx, "sqlserverflexalpha.Database updated")
 }
 
 func (r *databaseResource) Delete(ctx context.Context, req resource.DeleteRequest, resp *resource.DeleteResponse) {
-	var data sqlserverflexalphaGen.DatabaseModel
+	// nolint:gocritic // function signature required by Terraform
-
+	var model resourceModel
-	// Read Terraform prior state data into the model
+	diags := req.State.Get(ctx, &model)
-	resp.Diagnostics.Append(req.State.Get(ctx, &data)...)
+	resp.Diagnostics.Append(diags...)
-
 	if resp.Diagnostics.HasError() {
 		return
 	}
 
-	// Todo: Delete API call logic
+	// Read identity data
+	var identityData DatabaseResourceIdentityModel
+	resp.Diagnostics.Append(req.Identity.Get(ctx, &identityData)...)
+	if resp.Diagnostics.HasError() {
+		return
+	}
+
+	ctx = core.InitProviderContext(ctx)
+
+	projectId, instanceId, region, databaseName, errExt := r.extractIdentityData(model, identityData)
+	if errExt != nil {
+		core.LogAndAddError(
+			ctx,
+			&resp.Diagnostics,
+			extractErrorSummary,
+			fmt.Sprintf(extractErrorMessage, errExt),
+		)
+	}
+
+	ctx = tflog.SetField(ctx, "project_id", projectId)
+	ctx = tflog.SetField(ctx, "instance_id", instanceId)
+	ctx = tflog.SetField(ctx, "region", region)
+	ctx = tflog.SetField(ctx, "database_name", databaseName)
+
+	// Delete existing record set
+	err := r.client.DeleteDatabaseRequestExecute(ctx, projectId, region, instanceId, databaseName)
+	if err != nil {
+		core.LogAndAddError(ctx, &resp.Diagnostics, "Error deleting database", fmt.Sprintf("Calling API: %v", err))
+	}
+
+	ctx = core.LogResponse(ctx)
 
 	tflog.Info(ctx, "sqlserverflexalpha.Database deleted")
 }
@@ -312,3 +479,46 @@ func (r *databaseResource) ImportState(
 
 	tflog.Info(ctx, "Sqlserverflexalpha database state imported")
 }
+
+// extractIdentityData extracts essential identifiers from the resource model, falling back to the identity model.
+func (r *databaseResource) extractIdentityData(
+	model resourceModel,
+	identity DatabaseResourceIdentityModel,
+) (projectId, region, instanceId, databaseName string, err error) {
+	if !model.DatabaseName.IsNull() && !model.DatabaseName.IsUnknown() {
+		databaseName = model.DatabaseName.ValueString()
+	} else {
+		if identity.DatabaseName.IsNull() || identity.DatabaseName.IsUnknown() {
+			return "", "", "", "", fmt.Errorf("database_name not found in config")
+		}
+		databaseName = identity.DatabaseName.ValueString()
+	}
+
+	if !model.ProjectId.IsNull() && !model.ProjectId.IsUnknown() {
+		projectId = model.ProjectId.ValueString()
+	} else {
+		if identity.ProjectID.IsNull() || identity.ProjectID.IsUnknown() {
+			return "", "", "", "", fmt.Errorf("project_id not found in config")
+		}
+		projectId = identity.ProjectID.ValueString()
+	}
+
+	if !model.Region.IsNull() && !model.Region.IsUnknown() {
+		region = r.providerData.GetRegionWithOverride(model.Region)
+	} else {
+		if identity.Region.IsNull() || identity.Region.IsUnknown() {
+			return "", "", "", "", fmt.Errorf("region not found in config")
+		}
+		region = r.providerData.GetRegionWithOverride(identity.Region)
+	}
+
+	if !model.InstanceId.IsNull() && !model.InstanceId.IsUnknown() {
+		instanceId = model.InstanceId.ValueString()
+	} else {
+		if identity.InstanceID.IsNull() || identity.InstanceID.IsUnknown() {
+			return "", "", "", "", fmt.Errorf("instance_id not found in config")
+		}
+		instanceId = identity.InstanceID.ValueString()
+	}
+	return projectId, region, instanceId, databaseName, nil
+}

stackit/internal/services/sqlserverflexalpha/sqlserverflex_acc_test.go

@@ -31,19 +31,34 @@ var (
 
 var testConfigVarsMin = config.Variables{
 	"project_id": config.StringVariable(testutil.ProjectId),
-	"name":               config.StringVariable(fmt.Sprintf("tf-acc-%s", acctest.RandStringFromCharSet(7, acctest.CharSetAlphaNum))),
+	"name": config.StringVariable(
+		fmt.Sprintf(
+			"tf-acc-%s",
+			acctest.RandStringFromCharSet(7, acctest.CharSetAlphaNum),
+		),
+	),
 	"flavor_cpu":         config.IntegerVariable(4),
 	"flavor_ram":         config.IntegerVariable(16),
 	"flavor_description": config.StringVariable("SQLServer-Flex-4.16-Standard-EU01"),
 	"replicas":           config.IntegerVariable(1),
 	"flavor_id":          config.StringVariable("4.16-Single"),
-	"username":           config.StringVariable(fmt.Sprintf("tf-acc-user-%s", acctest.RandStringFromCharSet(7, acctest.CharSetAlpha))),
+	"username": config.StringVariable(
+		fmt.Sprintf(
+			"tf-acc-user-%s",
+			acctest.RandStringFromCharSet(7, acctest.CharSetAlpha),
+		),
+	),
 	"role": config.StringVariable("##STACKIT_LoginManager##"),
 }
 
 var testConfigVarsMax = config.Variables{
 	"project_id": config.StringVariable(testutil.ProjectId),
-	"name":                   config.StringVariable(fmt.Sprintf("tf-acc-%s", acctest.RandStringFromCharSet(7, acctest.CharSetAlphaNum))),
+	"name": config.StringVariable(
+		fmt.Sprintf(
+			"tf-acc-%s",
+			acctest.RandStringFromCharSet(7, acctest.CharSetAlphaNum),
+		),
+	),
 	"acl1":                   config.StringVariable("192.168.0.0/16"),
 	"flavor_cpu":             config.IntegerVariable(4),
 	"flavor_ram":             config.IntegerVariable(16),
@@ -55,7 +70,12 @@ var testConfigVarsMax = config.Variables{
 	"options_retention_days": config.IntegerVariable(64),
 	"flavor_id":              config.StringVariable("4.16-Single"),
 	"backup_schedule":        config.StringVariable("00 6 * * *"),
-	"username":               config.StringVariable(fmt.Sprintf("tf-acc-user-%s", acctest.RandStringFromCharSet(7, acctest.CharSetAlpha))),
+	"username": config.StringVariable(
+		fmt.Sprintf(
+			"tf-acc-user-%s",
+			acctest.RandStringFromCharSet(7, acctest.CharSetAlpha),
+		),
+	),
 	"role":   config.StringVariable("##STACKIT_LoginManager##"),
 	"region": config.StringVariable(testutil.Region),
 }
@@ -73,7 +93,8 @@ func configVarsMaxUpdated() config.Variables {
 }
 
 func TestAccSQLServerFlexMinResource(t *testing.T) {
-	resource.Test(t, resource.TestCase{
+	resource.Test(
+		t, resource.TestCase{
 			ProtoV6ProviderFactories: testutil.TestAccProtoV6ProviderFactories,
 			CheckDestroy:             testAccChecksqlserverflexDestroy,
 			Steps: []resource.TestStep{
@@ -83,15 +104,39 @@ func TestAccSQLServerFlexMinResource(t *testing.T) {
 					ConfigVariables: testConfigVarsMin,
 					Check: resource.ComposeAggregateTestCheckFunc(
 						// Instance
-					resource.TestCheckResourceAttr("stackit_sqlserverflex_instance.instance", "project_id", testutil.ConvertConfigVariable(testConfigVarsMin["project_id"])),
+						resource.TestCheckResourceAttr(
+							"stackit_sqlserverflex_instance.instance",
+							"project_id",
+							testutil.ConvertConfigVariable(testConfigVarsMin["project_id"]),
+						),
 						resource.TestCheckResourceAttrSet("stackit_sqlserverflex_instance.instance", "instance_id"),
-					resource.TestCheckResourceAttr("stackit_sqlserverflex_instance.instance", "name", testutil.ConvertConfigVariable(testConfigVarsMin["name"])),
+						resource.TestCheckResourceAttr(
+							"stackit_sqlserverflex_instance.instance",
+							"name",
+							testutil.ConvertConfigVariable(testConfigVarsMin["name"]),
+						),
 						resource.TestCheckResourceAttr("stackit_sqlserverflex_instance.instance", "acl.#", "1"),
 						resource.TestCheckResourceAttrSet("stackit_sqlserverflex_instance.instance", "flavor.id"),
-					resource.TestCheckResourceAttr("stackit_sqlserverflex_instance.instance", "flavor.description", testutil.ConvertConfigVariable(testConfigVarsMin["flavor_description"])),
+						resource.TestCheckResourceAttr(
-					resource.TestCheckResourceAttr("stackit_sqlserverflex_instance.instance", "replicas", testutil.ConvertConfigVariable(testConfigVarsMin["replicas"])),
+							"stackit_sqlserverflex_instance.instance",
-					resource.TestCheckResourceAttr("stackit_sqlserverflex_instance.instance", "flavor.cpu", testutil.ConvertConfigVariable(testConfigVarsMin["flavor_cpu"])),
+							"flavor.description",
-					resource.TestCheckResourceAttr("stackit_sqlserverflex_instance.instance", "flavor.ram", testutil.ConvertConfigVariable(testConfigVarsMin["flavor_ram"])),
+							testutil.ConvertConfigVariable(testConfigVarsMin["flavor_description"]),
+						),
+						resource.TestCheckResourceAttr(
+							"stackit_sqlserverflex_instance.instance",
+							"replicas",
+							testutil.ConvertConfigVariable(testConfigVarsMin["replicas"]),
+						),
+						resource.TestCheckResourceAttr(
+							"stackit_sqlserverflex_instance.instance",
+							"flavor.cpu",
+							testutil.ConvertConfigVariable(testConfigVarsMin["flavor_cpu"]),
+						),
+						resource.TestCheckResourceAttr(
+							"stackit_sqlserverflex_instance.instance",
+							"flavor.ram",
+							testutil.ConvertConfigVariable(testConfigVarsMin["flavor_ram"]),
+						),
 						// User
 						resource.TestCheckResourceAttrPair(
 							"stackit_sqlserverflex_user.user", "project_id",
@@ -111,14 +156,34 @@ func TestAccSQLServerFlexMinResource(t *testing.T) {
 					ConfigVariables: testConfigVarsMin,
 					Check: resource.ComposeAggregateTestCheckFunc(
 						// Instance
-					resource.TestCheckResourceAttr("stackit_sqlserverflex_instance.instance", "project_id", testutil.ConvertConfigVariable(testConfigVarsMin["project_id"])),
+						resource.TestCheckResourceAttr(
+							"stackit_sqlserverflex_instance.instance",
+							"project_id",
+							testutil.ConvertConfigVariable(testConfigVarsMin["project_id"]),
+						),
 						resource.TestCheckResourceAttrSet("stackit_sqlserverflex_instance.instance", "instance_id"),
-					resource.TestCheckResourceAttr("stackit_sqlserverflex_instance.instance", "name", testutil.ConvertConfigVariable(testConfigVarsMin["name"])),
+						resource.TestCheckResourceAttr(
+							"stackit_sqlserverflex_instance.instance",
+							"name",
+							testutil.ConvertConfigVariable(testConfigVarsMin["name"]),
+						),
 						resource.TestCheckResourceAttr("stackit_sqlserverflex_instance.instance", "acl.#", "1"),
 						resource.TestCheckResourceAttrSet("stackit_sqlserverflex_instance.instance", "flavor.id"),
-					resource.TestCheckResourceAttr("stackit_sqlserverflex_instance.instance", "flavor.description", testutil.ConvertConfigVariable(testConfigVarsMin["flavor_description"])),
+						resource.TestCheckResourceAttr(
-					resource.TestCheckResourceAttr("stackit_sqlserverflex_instance.instance", "flavor.cpu", testutil.ConvertConfigVariable(testConfigVarsMin["flavor_cpu"])),
+							"stackit_sqlserverflex_instance.instance",
-					resource.TestCheckResourceAttr("stackit_sqlserverflex_instance.instance", "flavor.ram", testutil.ConvertConfigVariable(testConfigVarsMin["flavor_ram"])),
+							"flavor.description",
+							testutil.ConvertConfigVariable(testConfigVarsMin["flavor_description"]),
+						),
+						resource.TestCheckResourceAttr(
+							"stackit_sqlserverflex_instance.instance",
+							"flavor.cpu",
+							testutil.ConvertConfigVariable(testConfigVarsMin["flavor_cpu"]),
+						),
+						resource.TestCheckResourceAttr(
+							"stackit_sqlserverflex_instance.instance",
+							"flavor.ram",
+							testutil.ConvertConfigVariable(testConfigVarsMin["flavor_ram"]),
+						),
 						// User
 						resource.TestCheckResourceAttrPair(
 							"stackit_sqlserverflex_user.user", "project_id",
@@ -138,8 +203,16 @@ func TestAccSQLServerFlexMinResource(t *testing.T) {
 					ConfigVariables: testConfigVarsMin,
 					Check: resource.ComposeAggregateTestCheckFunc(
 						// Instance data
-					resource.TestCheckResourceAttr("data.stackit_sqlserverflex_instance.instance", "project_id", testutil.ConvertConfigVariable(testConfigVarsMin["project_id"])),
+						resource.TestCheckResourceAttr(
-					resource.TestCheckResourceAttr("data.stackit_sqlserverflex_instance.instance", "name", testutil.ConvertConfigVariable(testConfigVarsMin["name"])),
+							"data.stackit_sqlserverflex_instance.instance",
+							"project_id",
+							testutil.ConvertConfigVariable(testConfigVarsMin["project_id"]),
+						),
+						resource.TestCheckResourceAttr(
+							"data.stackit_sqlserverflex_instance.instance",
+							"name",
+							testutil.ConvertConfigVariable(testConfigVarsMin["name"]),
+						),
 						resource.TestCheckResourceAttrPair(
 							"data.stackit_sqlserverflex_instance.instance", "project_id",
 							"stackit_sqlserverflex_instance.instance", "project_id",
@@ -154,17 +227,45 @@ func TestAccSQLServerFlexMinResource(t *testing.T) {
 						),
 
 						resource.TestCheckResourceAttr("data.stackit_sqlserverflex_instance.instance", "acl.#", "1"),
-					resource.TestCheckResourceAttr("data.stackit_sqlserverflex_instance.instance", "flavor.id", testutil.ConvertConfigVariable(testConfigVarsMin["flavor_id"])),
+						resource.TestCheckResourceAttr(
-					resource.TestCheckResourceAttr("data.stackit_sqlserverflex_instance.instance", "flavor.description", testutil.ConvertConfigVariable(testConfigVarsMin["flavor_description"])),
+							"data.stackit_sqlserverflex_instance.instance",
-					resource.TestCheckResourceAttr("data.stackit_sqlserverflex_instance.instance", "flavor.cpu", testutil.ConvertConfigVariable(testConfigVarsMin["flavor_cpu"])),
+							"flavor.id",
-					resource.TestCheckResourceAttr("data.stackit_sqlserverflex_instance.instance", "flavor.ram", testutil.ConvertConfigVariable(testConfigVarsMin["flavor_ram"])),
+							testutil.ConvertConfigVariable(testConfigVarsMin["flavor_id"]),
+						),
+						resource.TestCheckResourceAttr(
+							"data.stackit_sqlserverflex_instance.instance",
+							"flavor.description",
+							testutil.ConvertConfigVariable(testConfigVarsMin["flavor_description"]),
+						),
+						resource.TestCheckResourceAttr(
+							"data.stackit_sqlserverflex_instance.instance",
+							"flavor.cpu",
+							testutil.ConvertConfigVariable(testConfigVarsMin["flavor_cpu"]),
+						),
+						resource.TestCheckResourceAttr(
+							"data.stackit_sqlserverflex_instance.instance",
+							"flavor.ram",
+							testutil.ConvertConfigVariable(testConfigVarsMin["flavor_ram"]),
+						),
 
 						// User data
-					resource.TestCheckResourceAttr("data.stackit_sqlserverflex_user.user", "project_id", testutil.ConvertConfigVariable(testConfigVarsMin["project_id"])),
+						resource.TestCheckResourceAttr(
+							"data.stackit_sqlserverflex_user.user",
+							"project_id",
+							testutil.ConvertConfigVariable(testConfigVarsMin["project_id"]),
+						),
 						resource.TestCheckResourceAttrSet("data.stackit_sqlserverflex_user.user", "user_id"),
-					resource.TestCheckResourceAttr("data.stackit_sqlserverflex_user.user", "username", testutil.ConvertConfigVariable(testConfigVarsMin["username"])),
+						resource.TestCheckResourceAttr(
+							"data.stackit_sqlserverflex_user.user",
+							"username",
+							testutil.ConvertConfigVariable(testConfigVarsMin["username"]),
+						),
 						resource.TestCheckResourceAttr("data.stackit_sqlserverflex_user.user", "roles.#", "1"),
-					resource.TestCheckResourceAttr("data.stackit_sqlserverflex_user.user", "roles.0", testutil.ConvertConfigVariable(testConfigVarsMax["role"])),
+						resource.TestCheckResourceAttr(
+							"data.stackit_sqlserverflex_user.user",
+							"roles.0",
+							testutil.ConvertConfigVariable(testConfigVarsMax["role"]),
+						),
 					),
 				},
 				// Import
@@ -222,23 +323,44 @@ func TestAccSQLServerFlexMinResource(t *testing.T) {
 					ConfigVariables: configVarsMinUpdated(),
 					Check: resource.ComposeAggregateTestCheckFunc(
 						// Instance data
-					resource.TestCheckResourceAttr("stackit_sqlserverflex_instance.instance", "project_id", testutil.ConvertConfigVariable(configVarsMinUpdated()["project_id"])),
+						resource.TestCheckResourceAttr(
+							"stackit_sqlserverflex_instance.instance",
+							"project_id",
+							testutil.ConvertConfigVariable(configVarsMinUpdated()["project_id"]),
+						),
 						resource.TestCheckResourceAttrSet("stackit_sqlserverflex_instance.instance", "instance_id"),
-					resource.TestCheckResourceAttr("stackit_sqlserverflex_instance.instance", "name", testutil.ConvertConfigVariable(configVarsMinUpdated()["name"])),
+						resource.TestCheckResourceAttr(
+							"stackit_sqlserverflex_instance.instance",
+							"name",
+							testutil.ConvertConfigVariable(configVarsMinUpdated()["name"]),
+						),
 						resource.TestCheckResourceAttr("stackit_sqlserverflex_instance.instance", "acl.#", "1"),
 						resource.TestCheckResourceAttrSet("stackit_sqlserverflex_instance.instance", "flavor.id"),
-					resource.TestCheckResourceAttrSet("stackit_sqlserverflex_instance.instance", "flavor.description"),
+						resource.TestCheckResourceAttrSet(
-					resource.TestCheckResourceAttr("stackit_sqlserverflex_instance.instance", "flavor.cpu", testutil.ConvertConfigVariable(configVarsMinUpdated()["flavor_cpu"])),
+							"stackit_sqlserverflex_instance.instance",
-					resource.TestCheckResourceAttr("stackit_sqlserverflex_instance.instance", "flavor.ram", testutil.ConvertConfigVariable(configVarsMinUpdated()["flavor_ram"])),
+							"flavor.description",
+						),
+						resource.TestCheckResourceAttr(
+							"stackit_sqlserverflex_instance.instance",
+							"flavor.cpu",
+							testutil.ConvertConfigVariable(configVarsMinUpdated()["flavor_cpu"]),
+						),
+						resource.TestCheckResourceAttr(
+							"stackit_sqlserverflex_instance.instance",
+							"flavor.ram",
+							testutil.ConvertConfigVariable(configVarsMinUpdated()["flavor_ram"]),
+						),
 					),
 				},
 				// Deletion is done by the framework implicitly
 			},
-	})
+		},
+	)
 }
 
 func TestAccSQLServerFlexMaxResource(t *testing.T) {
-	resource.Test(t, resource.TestCase{
+	resource.Test(
+		t, resource.TestCase{
 			ProtoV6ProviderFactories: testutil.TestAccProtoV6ProviderFactories,
 			CheckDestroy:             testAccChecksqlserverflexDestroy,
 			Steps: []resource.TestStep{
@@ -248,22 +370,74 @@ func TestAccSQLServerFlexMaxResource(t *testing.T) {
 					ConfigVariables: testConfigVarsMax,
 					Check: resource.ComposeAggregateTestCheckFunc(
 						// Instance
-					resource.TestCheckResourceAttr("stackit_sqlserverflex_instance.instance", "project_id", testutil.ConvertConfigVariable(testConfigVarsMax["project_id"])),
+						resource.TestCheckResourceAttr(
+							"stackit_sqlserverflex_instance.instance",
+							"project_id",
+							testutil.ConvertConfigVariable(testConfigVarsMax["project_id"]),
+						),
 						resource.TestCheckResourceAttrSet("stackit_sqlserverflex_instance.instance", "instance_id"),
-					resource.TestCheckResourceAttr("stackit_sqlserverflex_instance.instance", "name", testutil.ConvertConfigVariable(testConfigVarsMax["name"])),
+						resource.TestCheckResourceAttr(
+							"stackit_sqlserverflex_instance.instance",
+							"name",
+							testutil.ConvertConfigVariable(testConfigVarsMax["name"]),
+						),
 						resource.TestCheckResourceAttr("stackit_sqlserverflex_instance.instance", "acl.#", "1"),
-					resource.TestCheckResourceAttr("stackit_sqlserverflex_instance.instance", "acl.0", testutil.ConvertConfigVariable(testConfigVarsMax["acl1"])),
+						resource.TestCheckResourceAttr(
+							"stackit_sqlserverflex_instance.instance",
+							"acl.0",
+							testutil.ConvertConfigVariable(testConfigVarsMax["acl1"]),
+						),
 						resource.TestCheckResourceAttrSet("stackit_sqlserverflex_instance.instance", "flavor.id"),
-					resource.TestCheckResourceAttr("stackit_sqlserverflex_instance.instance", "flavor.description", testutil.ConvertConfigVariable(testConfigVarsMax["flavor_description"])),
+						resource.TestCheckResourceAttr(
-					resource.TestCheckResourceAttr("stackit_sqlserverflex_instance.instance", "replicas", testutil.ConvertConfigVariable(testConfigVarsMax["replicas"])),
+							"stackit_sqlserverflex_instance.instance",
-					resource.TestCheckResourceAttr("stackit_sqlserverflex_instance.instance", "flavor.cpu", testutil.ConvertConfigVariable(testConfigVarsMax["flavor_cpu"])),
+							"flavor.description",
-					resource.TestCheckResourceAttr("stackit_sqlserverflex_instance.instance", "flavor.ram", testutil.ConvertConfigVariable(testConfigVarsMax["flavor_ram"])),
+							testutil.ConvertConfigVariable(testConfigVarsMax["flavor_description"]),
-					resource.TestCheckResourceAttr("stackit_sqlserverflex_instance.instance", "storage.class", testutil.ConvertConfigVariable(testConfigVarsMax["storage_class"])),
+						),
-					resource.TestCheckResourceAttr("stackit_sqlserverflex_instance.instance", "storage.size", testutil.ConvertConfigVariable(testConfigVarsMax["storage_size"])),
+						resource.TestCheckResourceAttr(
-					resource.TestCheckResourceAttr("stackit_sqlserverflex_instance.instance", "version", testutil.ConvertConfigVariable(testConfigVarsMax["server_version"])),
+							"stackit_sqlserverflex_instance.instance",
-					resource.TestCheckResourceAttr("stackit_sqlserverflex_instance.instance", "options.retention_days", testutil.ConvertConfigVariable(testConfigVarsMax["options_retention_days"])),
+							"replicas",
-					resource.TestCheckResourceAttr("stackit_sqlserverflex_instance.instance", "backup_schedule", testutil.ConvertConfigVariable(testConfigVarsMax["backup_schedule"])),
+							testutil.ConvertConfigVariable(testConfigVarsMax["replicas"]),
-					resource.TestCheckResourceAttr("stackit_sqlserverflex_instance.instance", "region", testutil.Region),
+						),
+						resource.TestCheckResourceAttr(
+							"stackit_sqlserverflex_instance.instance",
+							"flavor.cpu",
+							testutil.ConvertConfigVariable(testConfigVarsMax["flavor_cpu"]),
+						),
+						resource.TestCheckResourceAttr(
+							"stackit_sqlserverflex_instance.instance",
+							"flavor.ram",
+							testutil.ConvertConfigVariable(testConfigVarsMax["flavor_ram"]),
+						),
+						resource.TestCheckResourceAttr(
+							"stackit_sqlserverflex_instance.instance",
+							"storage.class",
+							testutil.ConvertConfigVariable(testConfigVarsMax["storage_class"]),
+						),
+						resource.TestCheckResourceAttr(
+							"stackit_sqlserverflex_instance.instance",
+							"storage.size",
+							testutil.ConvertConfigVariable(testConfigVarsMax["storage_size"]),
+						),
+						resource.TestCheckResourceAttr(
+							"stackit_sqlserverflex_instance.instance",
+							"version",
+							testutil.ConvertConfigVariable(testConfigVarsMax["server_version"]),
+						),
+						resource.TestCheckResourceAttr(
+							"stackit_sqlserverflex_instance.instance",
+							"options.retention_days",
+							testutil.ConvertConfigVariable(testConfigVarsMax["options_retention_days"]),
+						),
+						resource.TestCheckResourceAttr(
+							"stackit_sqlserverflex_instance.instance",
+							"backup_schedule",
+							testutil.ConvertConfigVariable(testConfigVarsMax["backup_schedule"]),
+						),
+						resource.TestCheckResourceAttr(
+							"stackit_sqlserverflex_instance.instance",
+							"region",
+							testutil.Region,
+						),
 						// User
 						resource.TestCheckResourceAttrPair(
 							"stackit_sqlserverflex_user.user", "project_id",
@@ -283,22 +457,74 @@ func TestAccSQLServerFlexMaxResource(t *testing.T) {
 					ConfigVariables: testConfigVarsMax,
 					Check: resource.ComposeAggregateTestCheckFunc(
 						// Instance
-					resource.TestCheckResourceAttr("stackit_sqlserverflex_instance.instance", "project_id", testutil.ConvertConfigVariable(testConfigVarsMax["project_id"])),
+						resource.TestCheckResourceAttr(
+							"stackit_sqlserverflex_instance.instance",
+							"project_id",
+							testutil.ConvertConfigVariable(testConfigVarsMax["project_id"]),
+						),
 						resource.TestCheckResourceAttrSet("stackit_sqlserverflex_instance.instance", "instance_id"),
-					resource.TestCheckResourceAttr("stackit_sqlserverflex_instance.instance", "name", testutil.ConvertConfigVariable(testConfigVarsMax["name"])),
+						resource.TestCheckResourceAttr(
+							"stackit_sqlserverflex_instance.instance",
+							"name",
+							testutil.ConvertConfigVariable(testConfigVarsMax["name"]),
+						),
 						resource.TestCheckResourceAttr("stackit_sqlserverflex_instance.instance", "acl.#", "1"),
-					resource.TestCheckResourceAttr("stackit_sqlserverflex_instance.instance", "acl.0", testutil.ConvertConfigVariable(testConfigVarsMax["acl1"])),
+						resource.TestCheckResourceAttr(
+							"stackit_sqlserverflex_instance.instance",
+							"acl.0",
+							testutil.ConvertConfigVariable(testConfigVarsMax["acl1"]),
+						),
 						resource.TestCheckResourceAttrSet("stackit_sqlserverflex_instance.instance", "flavor.id"),
-					resource.TestCheckResourceAttr("stackit_sqlserverflex_instance.instance", "flavor.description", testutil.ConvertConfigVariable(testConfigVarsMax["flavor_description"])),
+						resource.TestCheckResourceAttr(
-					resource.TestCheckResourceAttr("stackit_sqlserverflex_instance.instance", "replicas", testutil.ConvertConfigVariable(testConfigVarsMax["replicas"])),
+							"stackit_sqlserverflex_instance.instance",
-					resource.TestCheckResourceAttr("stackit_sqlserverflex_instance.instance", "flavor.cpu", testutil.ConvertConfigVariable(testConfigVarsMax["flavor_cpu"])),
+							"flavor.description",
-					resource.TestCheckResourceAttr("stackit_sqlserverflex_instance.instance", "flavor.ram", testutil.ConvertConfigVariable(testConfigVarsMax["flavor_ram"])),
+							testutil.ConvertConfigVariable(testConfigVarsMax["flavor_description"]),
-					resource.TestCheckResourceAttr("stackit_sqlserverflex_instance.instance", "storage.class", testutil.ConvertConfigVariable(testConfigVarsMax["storage_class"])),
+						),
-					resource.TestCheckResourceAttr("stackit_sqlserverflex_instance.instance", "storage.size", testutil.ConvertConfigVariable(testConfigVarsMax["storage_size"])),
+						resource.TestCheckResourceAttr(
-					resource.TestCheckResourceAttr("stackit_sqlserverflex_instance.instance", "version", testutil.ConvertConfigVariable(testConfigVarsMax["server_version"])),
+							"stackit_sqlserverflex_instance.instance",
-					resource.TestCheckResourceAttr("stackit_sqlserverflex_instance.instance", "options.retention_days", testutil.ConvertConfigVariable(testConfigVarsMax["options_retention_days"])),
+							"replicas",
-					resource.TestCheckResourceAttr("stackit_sqlserverflex_instance.instance", "backup_schedule", testutil.ConvertConfigVariable(testConfigVarsMax["backup_schedule"])),
+							testutil.ConvertConfigVariable(testConfigVarsMax["replicas"]),
-					resource.TestCheckResourceAttr("stackit_sqlserverflex_instance.instance", "region", testutil.Region),
+						),
+						resource.TestCheckResourceAttr(
+							"stackit_sqlserverflex_instance.instance",
+							"flavor.cpu",
+							testutil.ConvertConfigVariable(testConfigVarsMax["flavor_cpu"]),
+						),
+						resource.TestCheckResourceAttr(
+							"stackit_sqlserverflex_instance.instance",
+							"flavor.ram",
+							testutil.ConvertConfigVariable(testConfigVarsMax["flavor_ram"]),
+						),
+						resource.TestCheckResourceAttr(
+							"stackit_sqlserverflex_instance.instance",
+							"storage.class",
+							testutil.ConvertConfigVariable(testConfigVarsMax["storage_class"]),
+						),
+						resource.TestCheckResourceAttr(
+							"stackit_sqlserverflex_instance.instance",
+							"storage.size",
+							testutil.ConvertConfigVariable(testConfigVarsMax["storage_size"]),
+						),
+						resource.TestCheckResourceAttr(
+							"stackit_sqlserverflex_instance.instance",
+							"version",
+							testutil.ConvertConfigVariable(testConfigVarsMax["server_version"]),
+						),
+						resource.TestCheckResourceAttr(
+							"stackit_sqlserverflex_instance.instance",
+							"options.retention_days",
+							testutil.ConvertConfigVariable(testConfigVarsMax["options_retention_days"]),
+						),
+						resource.TestCheckResourceAttr(
+							"stackit_sqlserverflex_instance.instance",
+							"backup_schedule",
+							testutil.ConvertConfigVariable(testConfigVarsMax["backup_schedule"]),
+						),
+						resource.TestCheckResourceAttr(
+							"stackit_sqlserverflex_instance.instance",
+							"region",
+							testutil.Region,
+						),
 						// User
 						resource.TestCheckResourceAttrPair(
 							"stackit_sqlserverflex_user.user", "project_id",
@@ -318,8 +544,16 @@ func TestAccSQLServerFlexMaxResource(t *testing.T) {
 					ConfigVariables: testConfigVarsMax,
 					Check: resource.ComposeAggregateTestCheckFunc(
 						// Instance data
-					resource.TestCheckResourceAttr("data.stackit_sqlserverflex_instance.instance", "project_id", testutil.ConvertConfigVariable(testConfigVarsMax["project_id"])),
+						resource.TestCheckResourceAttr(
-					resource.TestCheckResourceAttr("data.stackit_sqlserverflex_instance.instance", "name", testutil.ConvertConfigVariable(testConfigVarsMax["name"])),
+							"data.stackit_sqlserverflex_instance.instance",
+							"project_id",
+							testutil.ConvertConfigVariable(testConfigVarsMax["project_id"]),
+						),
+						resource.TestCheckResourceAttr(
+							"data.stackit_sqlserverflex_instance.instance",
+							"name",
+							testutil.ConvertConfigVariable(testConfigVarsMax["name"]),
+						),
 						resource.TestCheckResourceAttrPair(
 							"data.stackit_sqlserverflex_instance.instance", "project_id",
 							"stackit_sqlserverflex_instance.instance", "project_id",
@@ -334,21 +568,65 @@ func TestAccSQLServerFlexMaxResource(t *testing.T) {
 						),
 
 						resource.TestCheckResourceAttr("data.stackit_sqlserverflex_instance.instance", "acl.#", "1"),
-					resource.TestCheckResourceAttr("data.stackit_sqlserverflex_instance.instance", "acl.0", testutil.ConvertConfigVariable(testConfigVarsMax["acl1"])),
+						resource.TestCheckResourceAttr(
-					resource.TestCheckResourceAttr("data.stackit_sqlserverflex_instance.instance", "flavor.id", testutil.ConvertConfigVariable(testConfigVarsMax["flavor_id"])),
+							"data.stackit_sqlserverflex_instance.instance",
-					resource.TestCheckResourceAttr("data.stackit_sqlserverflex_instance.instance", "flavor.description", testutil.ConvertConfigVariable(testConfigVarsMax["flavor_description"])),
+							"acl.0",
-					resource.TestCheckResourceAttr("data.stackit_sqlserverflex_instance.instance", "flavor.cpu", testutil.ConvertConfigVariable(testConfigVarsMax["flavor_cpu"])),
+							testutil.ConvertConfigVariable(testConfigVarsMax["acl1"]),
-					resource.TestCheckResourceAttr("data.stackit_sqlserverflex_instance.instance", "flavor.ram", testutil.ConvertConfigVariable(testConfigVarsMax["flavor_ram"])),
+						),
-					resource.TestCheckResourceAttr("data.stackit_sqlserverflex_instance.instance", "replicas", testutil.ConvertConfigVariable(testConfigVarsMax["replicas"])),
+						resource.TestCheckResourceAttr(
-					resource.TestCheckResourceAttr("stackit_sqlserverflex_instance.instance", "options.retention_days", testutil.ConvertConfigVariable(testConfigVarsMax["options_retention_days"])),
+							"data.stackit_sqlserverflex_instance.instance",
-					resource.TestCheckResourceAttr("data.stackit_sqlserverflex_instance.instance", "backup_schedule", testutil.ConvertConfigVariable(testConfigVarsMax["backup_schedule"])),
+							"flavor.id",
+							testutil.ConvertConfigVariable(testConfigVarsMax["flavor_id"]),
+						),
+						resource.TestCheckResourceAttr(
+							"data.stackit_sqlserverflex_instance.instance",
+							"flavor.description",
+							testutil.ConvertConfigVariable(testConfigVarsMax["flavor_description"]),
+						),
+						resource.TestCheckResourceAttr(
+							"data.stackit_sqlserverflex_instance.instance",
+							"flavor.cpu",
+							testutil.ConvertConfigVariable(testConfigVarsMax["flavor_cpu"]),
+						),
+						resource.TestCheckResourceAttr(
+							"data.stackit_sqlserverflex_instance.instance",
+							"flavor.ram",
+							testutil.ConvertConfigVariable(testConfigVarsMax["flavor_ram"]),
+						),
+						resource.TestCheckResourceAttr(
+							"data.stackit_sqlserverflex_instance.instance",
+							"replicas",
+							testutil.ConvertConfigVariable(testConfigVarsMax["replicas"]),
+						),
+						resource.TestCheckResourceAttr(
+							"stackit_sqlserverflex_instance.instance",
+							"options.retention_days",
+							testutil.ConvertConfigVariable(testConfigVarsMax["options_retention_days"]),
+						),
+						resource.TestCheckResourceAttr(
+							"data.stackit_sqlserverflex_instance.instance",
+							"backup_schedule",
+							testutil.ConvertConfigVariable(testConfigVarsMax["backup_schedule"]),
+						),
 
 						// User data
-					resource.TestCheckResourceAttr("data.stackit_sqlserverflex_user.user", "project_id", testutil.ConvertConfigVariable(testConfigVarsMax["project_id"])),
+						resource.TestCheckResourceAttr(
+							"data.stackit_sqlserverflex_user.user",
+							"project_id",
+							testutil.ConvertConfigVariable(testConfigVarsMax["project_id"]),
+						),
 						resource.TestCheckResourceAttrSet("data.stackit_sqlserverflex_user.user", "user_id"),
-					resource.TestCheckResourceAttr("data.stackit_sqlserverflex_user.user", "username", testutil.ConvertConfigVariable(testConfigVarsMax["username"])),
+						resource.TestCheckResourceAttr(
+							"data.stackit_sqlserverflex_user.user",
+							"username",
+							testutil.ConvertConfigVariable(testConfigVarsMax["username"]),
+						),
 						resource.TestCheckResourceAttr("data.stackit_sqlserverflex_user.user", "roles.#", "1"),
-					resource.TestCheckResourceAttr("data.stackit_sqlserverflex_user.user", "roles.0", testutil.ConvertConfigVariable(testConfigVarsMax["role"])),
+						resource.TestCheckResourceAttr(
+							"data.stackit_sqlserverflex_user.user",
+							"roles.0",
+							testutil.ConvertConfigVariable(testConfigVarsMax["role"]),
+						),
 						resource.TestCheckResourceAttrSet("data.stackit_sqlserverflex_user.user", "host"),
 						resource.TestCheckResourceAttrSet("data.stackit_sqlserverflex_user.user", "port"),
 					),
@@ -377,7 +655,11 @@ func TestAccSQLServerFlexMaxResource(t *testing.T) {
 							return fmt.Errorf("expected 1 state, got %d", len(s))
 						}
 						if s[0].Attributes["backup_schedule"] != testutil.ConvertConfigVariable(testConfigVarsMax["backup_schedule"]) {
-						return fmt.Errorf("expected backup_schedule %s, got %s", testConfigVarsMax["backup_schedule"], s[0].Attributes["backup_schedule"])
+							return fmt.Errorf(
+								"expected backup_schedule %s, got %s",
+								testConfigVarsMax["backup_schedule"],
+								s[0].Attributes["backup_schedule"],
+							)
 						}
 						return nil
 					},
@@ -411,26 +693,74 @@ func TestAccSQLServerFlexMaxResource(t *testing.T) {
 					ConfigVariables: configVarsMaxUpdated(),
 					Check: resource.ComposeAggregateTestCheckFunc(
 						// Instance data
-					resource.TestCheckResourceAttr("stackit_sqlserverflex_instance.instance", "project_id", testutil.ConvertConfigVariable(configVarsMaxUpdated()["project_id"])),
+						resource.TestCheckResourceAttr(
+							"stackit_sqlserverflex_instance.instance",
+							"project_id",
+							testutil.ConvertConfigVariable(configVarsMaxUpdated()["project_id"]),
+						),
 						resource.TestCheckResourceAttrSet("stackit_sqlserverflex_instance.instance", "instance_id"),
-					resource.TestCheckResourceAttr("stackit_sqlserverflex_instance.instance", "name", testutil.ConvertConfigVariable(configVarsMaxUpdated()["name"])),
+						resource.TestCheckResourceAttr(
+							"stackit_sqlserverflex_instance.instance",
+							"name",
+							testutil.ConvertConfigVariable(configVarsMaxUpdated()["name"]),
+						),
 						resource.TestCheckResourceAttr("stackit_sqlserverflex_instance.instance", "acl.#", "1"),
-					resource.TestCheckResourceAttr("stackit_sqlserverflex_instance.instance", "acl.0", testutil.ConvertConfigVariable(configVarsMaxUpdated()["acl1"])),
+						resource.TestCheckResourceAttr(
+							"stackit_sqlserverflex_instance.instance",
+							"acl.0",
+							testutil.ConvertConfigVariable(configVarsMaxUpdated()["acl1"]),
+						),
 						resource.TestCheckResourceAttrSet("stackit_sqlserverflex_instance.instance", "flavor.id"),
-					resource.TestCheckResourceAttrSet("stackit_sqlserverflex_instance.instance", "flavor.description"),
+						resource.TestCheckResourceAttrSet(
-					resource.TestCheckResourceAttr("stackit_sqlserverflex_instance.instance", "flavor.cpu", testutil.ConvertConfigVariable(configVarsMaxUpdated()["flavor_cpu"])),
+							"stackit_sqlserverflex_instance.instance",
-					resource.TestCheckResourceAttr("stackit_sqlserverflex_instance.instance", "flavor.ram", testutil.ConvertConfigVariable(configVarsMaxUpdated()["flavor_ram"])),
+							"flavor.description",
-					resource.TestCheckResourceAttr("stackit_sqlserverflex_instance.instance", "replicas", testutil.ConvertConfigVariable(configVarsMaxUpdated()["replicas"])),
+						),
-					resource.TestCheckResourceAttr("stackit_sqlserverflex_instance.instance", "storage.class", testutil.ConvertConfigVariable(configVarsMaxUpdated()["storage_class"])),
+						resource.TestCheckResourceAttr(
-					resource.TestCheckResourceAttr("stackit_sqlserverflex_instance.instance", "storage.size", testutil.ConvertConfigVariable(configVarsMaxUpdated()["storage_size"])),
+							"stackit_sqlserverflex_instance.instance",
-					resource.TestCheckResourceAttr("stackit_sqlserverflex_instance.instance", "version", testutil.ConvertConfigVariable(configVarsMaxUpdated()["server_version"])),
+							"flavor.cpu",
-					resource.TestCheckResourceAttr("stackit_sqlserverflex_instance.instance", "options.retention_days", testutil.ConvertConfigVariable(configVarsMaxUpdated()["options_retention_days"])),
+							testutil.ConvertConfigVariable(configVarsMaxUpdated()["flavor_cpu"]),
-					resource.TestCheckResourceAttr("stackit_sqlserverflex_instance.instance", "backup_schedule", testutil.ConvertConfigVariable(configVarsMaxUpdated()["backup_schedule"])),
+						),
+						resource.TestCheckResourceAttr(
+							"stackit_sqlserverflex_instance.instance",
+							"flavor.ram",
+							testutil.ConvertConfigVariable(configVarsMaxUpdated()["flavor_ram"]),
+						),
+						resource.TestCheckResourceAttr(
+							"stackit_sqlserverflex_instance.instance",
+							"replicas",
+							testutil.ConvertConfigVariable(configVarsMaxUpdated()["replicas"]),
+						),
+						resource.TestCheckResourceAttr(
+							"stackit_sqlserverflex_instance.instance",
+							"storage.class",
+							testutil.ConvertConfigVariable(configVarsMaxUpdated()["storage_class"]),
+						),
+						resource.TestCheckResourceAttr(
+							"stackit_sqlserverflex_instance.instance",
+							"storage.size",
+							testutil.ConvertConfigVariable(configVarsMaxUpdated()["storage_size"]),
+						),
+						resource.TestCheckResourceAttr(
+							"stackit_sqlserverflex_instance.instance",
+							"version",
+							testutil.ConvertConfigVariable(configVarsMaxUpdated()["server_version"]),
+						),
+						resource.TestCheckResourceAttr(
+							"stackit_sqlserverflex_instance.instance",
+							"options.retention_days",
+							testutil.ConvertConfigVariable(configVarsMaxUpdated()["options_retention_days"]),
+						),
+						resource.TestCheckResourceAttr(
+							"stackit_sqlserverflex_instance.instance",
+							"backup_schedule",
+							testutil.ConvertConfigVariable(configVarsMaxUpdated()["backup_schedule"]),
+						),
 					),
 				},
 				// Deletion is done by the framework implicitly
 			},
-	})
+		},
+	)
 }
 
 func testAccChecksqlserverflexDestroy(s *terraform.State) error {
@@ -473,9 +803,19 @@ func testAccChecksqlserverflexDestroy(s *terraform.State) error {
 			if err != nil {
 				return fmt.Errorf("destroying instance %s during CheckDestroy: %w", *items[i].Id, err)
 			}
-			_, err = wait.DeleteInstanceWaitHandler(ctx, client, testutil.ProjectId, *items[i].Id, testutil.Region).WaitWithContext(ctx)
+			_, err = wait.DeleteInstanceWaitHandler(
+				ctx,
+				client,
+				testutil.ProjectId,
+				*items[i].Id,
+				testutil.Region,
+			).WaitWithContext(ctx)
 			if err != nil {
-				return fmt.Errorf("destroying instance %s during CheckDestroy: waiting for deletion %w", *items[i].Id, err)
+				return fmt.Errorf(
+					"destroying instance %s during CheckDestroy: waiting for deletion %w",
+					*items[i].Id,
+					err,
+				)
 			}
 		}
 	}

stackit/internal/services/sqlserverflexalpha/user/datasource.go

@@ -4,23 +4,19 @@ import (
 	"context"
 	"fmt"
 	"net/http"
-	"strconv"
 
 	"github.com/hashicorp/terraform-plugin-framework-validators/int64validator"
-	"github.com/hashicorp/terraform-plugin-framework/attr"
+	"github.com/hashicorp/terraform-plugin-framework/datasource"
+	"github.com/hashicorp/terraform-plugin-framework/datasource/schema"
+	"github.com/hashicorp/terraform-plugin-framework/schema/validator"
+	"github.com/hashicorp/terraform-plugin-framework/types"
+	"github.com/hashicorp/terraform-plugin-log/tflog"
 	"tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/pkg_gen/sqlserverflexalpha"
 	"tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/stackit/internal/conversion"
-	sqlserverflexUtils "tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/stackit/internal/services/sqlserverflexalpha/utils"
-
-	"github.com/hashicorp/terraform-plugin-framework/datasource"
-	"github.com/hashicorp/terraform-plugin-framework/schema/validator"
-	"github.com/hashicorp/terraform-plugin-log/tflog"
 	"tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/stackit/internal/core"
+	sqlserverflexUtils "tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/stackit/internal/services/sqlserverflexalpha/utils"
 	"tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/stackit/internal/utils"
 	"tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/stackit/internal/validate"
-
-	"github.com/hashicorp/terraform-plugin-framework/datasource/schema"
-	"github.com/hashicorp/terraform-plugin-framework/types"
 )
 
 // Ensure the implementation satisfies the expected interfaces.
@@ -34,6 +30,7 @@ func NewUserDataSource() datasource.DataSource {
 }
 
 type dataSourceModel struct {
+	//TODO: check generated data source for the correct types and pointers
 	Id              types.String `tfsdk:"id"` // needed by TF
 	UserId          types.Int64  `tfsdk:"user_id"`
 	InstanceId      types.String `tfsdk:"instance_id"`
@@ -79,7 +76,7 @@ func (r *userDataSource) Configure(
 		return
 	}
 	r.client = apiClient
-	tflog.Info(ctx, "SQLServer Flex user client configured")
+	tflog.Info(ctx, "SQLServer Flex beta user client configured")
 }
 
 // Schema defines the schema for the data source.
@@ -223,50 +220,5 @@ func (r *userDataSource) Read(
 	if resp.Diagnostics.HasError() {
 		return
 	}
-	tflog.Info(ctx, "SQLServer Flex instance read")
+	tflog.Info(ctx, "SQLServer Flex alpha instance read")
-}
-
-func mapDataSourceFields(userResp *sqlserverflexalpha.GetUserResponse, model *dataSourceModel, region string) error {
-	if userResp == nil {
-		return fmt.Errorf("response is nil")
-	}
-	if model == nil {
-		return fmt.Errorf("model input is nil")
-	}
-	user := userResp
-
-	var userId int64
-	if model.UserId.ValueInt64() != 0 {
-		userId = model.UserId.ValueInt64()
-	} else if user.Id != nil {
-		userId = *user.Id
-	} else {
-		return fmt.Errorf("user id not present")
-	}
-	model.Id = utils.BuildInternalTerraformId(
-		model.ProjectId.ValueString(), region, model.InstanceId.ValueString(), strconv.FormatInt(userId, 10),
-	)
-	model.UserId = types.Int64Value(userId)
-	model.Username = types.StringPointerValue(user.Username)
-
-	if user.Roles == nil {
-		model.Roles = types.SetNull(types.StringType)
-	} else {
-		var roles []attr.Value
-		for _, role := range *user.Roles {
-			roles = append(roles, types.StringValue(string(role)))
-		}
-		rolesSet, diags := types.SetValue(types.StringType, roles)
-		if diags.HasError() {
-			return fmt.Errorf("failed to map roles: %w", core.DiagsToError(diags))
-		}
-		model.Roles = rolesSet
-	}
-	model.Host = types.StringPointerValue(user.Host)
-	model.Port = types.Int64PointerValue(user.Port)
-	model.Region = types.StringValue(region)
-	model.Status = types.StringPointerValue(user.Status)
-	model.DefaultDatabase = types.StringPointerValue(user.DefaultDatabase)
-
-	return nil
 }

stackit/internal/services/sqlserverflexalpha/user/datasource_test.go

@@ -1,147 +0,0 @@
-package sqlserverflexalpha
-
-import (
-	"testing"
-
-	"github.com/google/go-cmp/cmp"
-	"github.com/hashicorp/terraform-plugin-framework/attr"
-	"github.com/hashicorp/terraform-plugin-framework/types"
-	"github.com/stackitcloud/stackit-sdk-go/core/utils"
-	"tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/pkg_gen/sqlserverflexalpha"
-)
-
-func TestMapDataSourceFields(t *testing.T) {
-	const testRegion = "region"
-	tests := []struct {
-		description string
-		input       *sqlserverflexalpha.GetUserResponse
-		region      string
-		expected    dataSourceModel
-		isValid     bool
-	}{
-		{
-			"default_values",
-			&sqlserverflexalpha.GetUserResponse{},
-			testRegion,
-			dataSourceModel{
-				Id:              types.StringValue("pid,region,iid,1"),
-				UserId:          types.Int64Value(1),
-				InstanceId:      types.StringValue("iid"),
-				ProjectId:       types.StringValue("pid"),
-				Username:        types.StringNull(),
-				Roles:           types.SetNull(types.StringType),
-				Host:            types.StringNull(),
-				Port:            types.Int64Null(),
-				Region:          types.StringValue(testRegion),
-				Status:          types.StringNull(),
-				DefaultDatabase: types.StringNull(),
-			},
-			true,
-		},
-		{
-			"simple_values",
-			&sqlserverflexalpha.GetUserResponse{
-
-				Roles: &[]sqlserverflexalpha.UserRole{
-					"role_1",
-					"role_2",
-					"",
-				},
-				Username:        utils.Ptr("username"),
-				Host:            utils.Ptr("host"),
-				Port:            utils.Ptr(int64(1234)),
-				Status:          utils.Ptr("active"),
-				DefaultDatabase: utils.Ptr("default_db"),
-			},
-			testRegion,
-			dataSourceModel{
-				Id:         types.StringValue("pid,region,iid,1"),
-				UserId:     types.Int64Value(1),
-				InstanceId: types.StringValue("iid"),
-				ProjectId:  types.StringValue("pid"),
-				Username:   types.StringValue("username"),
-				Roles: types.SetValueMust(
-					types.StringType, []attr.Value{
-						types.StringValue("role_1"),
-						types.StringValue("role_2"),
-						types.StringValue(""),
-					},
-				),
-				Host:            types.StringValue("host"),
-				Port:            types.Int64Value(1234),
-				Region:          types.StringValue(testRegion),
-				Status:          types.StringValue("active"),
-				DefaultDatabase: types.StringValue("default_db"),
-			},
-			true,
-		},
-		{
-			"null_fields_and_int_conversions",
-			&sqlserverflexalpha.GetUserResponse{
-				Id:       utils.Ptr(int64(1)),
-				Roles:    &[]sqlserverflexalpha.UserRole{},
-				Username: nil,
-				Host:     nil,
-				Port:     utils.Ptr(int64(2123456789)),
-			},
-			testRegion,
-			dataSourceModel{
-				Id:         types.StringValue("pid,region,iid,1"),
-				UserId:     types.Int64Value(1),
-				InstanceId: types.StringValue("iid"),
-				ProjectId:  types.StringValue("pid"),
-				Username:   types.StringNull(),
-				Roles:      types.SetValueMust(types.StringType, []attr.Value{}),
-				Host:       types.StringNull(),
-				Port:       types.Int64Value(2123456789),
-				Region:     types.StringValue(testRegion),
-			},
-			true,
-		},
-		{
-			"nil_response",
-			nil,
-			testRegion,
-			dataSourceModel{},
-			false,
-		},
-		{
-			"nil_response_2",
-			&sqlserverflexalpha.GetUserResponse{},
-			testRegion,
-			dataSourceModel{},
-			false,
-		},
-		{
-			"no_resource_id",
-			&sqlserverflexalpha.GetUserResponse{},
-			testRegion,
-			dataSourceModel{},
-			false,
-		},
-	}
-	for _, tt := range tests {
-		t.Run(
-			tt.description, func(t *testing.T) {
-				state := &dataSourceModel{
-					ProjectId:  tt.expected.ProjectId,
-					InstanceId: tt.expected.InstanceId,
-					UserId:     tt.expected.UserId,
-				}
-				err := mapDataSourceFields(tt.input, state, tt.region)
-				if !tt.isValid && err == nil {
-					t.Fatalf("Should have failed")
-				}
-				if tt.isValid && err != nil {
-					t.Fatalf("Should not have failed: %v", err)
-				}
-				if tt.isValid {
-					diff := cmp.Diff(state, &tt.expected)
-					if diff != "" {
-						t.Fatalf("Data does not match: %s", diff)
-					}
-				}
-			},
-		)
-	}
-}

stackit/internal/services/sqlserverflexalpha/user/mapper.go

@@ -0,0 +1,179 @@
+package sqlserverflexalpha
+
+import (
+	"fmt"
+	"strconv"
+
+	"github.com/hashicorp/terraform-plugin-framework/attr"
+	"github.com/hashicorp/terraform-plugin-framework/types"
+	"tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/pkg_gen/sqlserverflexalpha"
+	"tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/stackit/internal/conversion"
+	"tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/stackit/internal/core"
+	"tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/stackit/internal/utils"
+)
+
+// mapDataSourceFields maps the API response to a dataSourceModel.
+func mapDataSourceFields(userResp *sqlserverflexalpha.GetUserResponse, model *dataSourceModel, region string) error {
+	if userResp == nil {
+		return fmt.Errorf("response is nil")
+	}
+	if model == nil {
+		return fmt.Errorf("model input is nil")
+	}
+	user := userResp
+
+	// Handle user ID
+	var userId int64
+	if model.UserId.ValueInt64() != 0 {
+		userId = model.UserId.ValueInt64()
+	} else if user.Id != nil {
+		userId = *user.Id
+	} else {
+		return fmt.Errorf("user id not present")
+	}
+
+	// Set main attributes
+	model.Id = utils.BuildInternalTerraformId(
+		model.ProjectId.ValueString(), region, model.InstanceId.ValueString(), strconv.FormatInt(userId, 10),
+	)
+	model.UserId = types.Int64Value(userId)
+	model.Username = types.StringPointerValue(user.Username)
+
+	// Map roles
+	if user.Roles == nil {
+		model.Roles = types.SetNull(types.StringType)
+	} else {
+		var roles []attr.Value
+		for _, role := range *user.Roles {
+			roles = append(roles, types.StringValue(string(role)))
+		}
+		rolesSet, diags := types.SetValue(types.StringType, roles)
+		if diags.HasError() {
+			return fmt.Errorf("failed to map roles: %w", core.DiagsToError(diags))
+		}
+		model.Roles = rolesSet
+	}
+
+	// Set remaining attributes
+	model.Host = types.StringPointerValue(user.Host)
+	model.Port = types.Int64PointerValue(user.Port)
+	model.Region = types.StringValue(region)
+	model.Status = types.StringPointerValue(user.Status)
+	model.DefaultDatabase = types.StringPointerValue(user.DefaultDatabase)
+
+	return nil
+}
+
+// mapFields maps the API response to a resourceModel.
+func mapFields(userResp *sqlserverflexalpha.GetUserResponse, model *resourceModel, region string) error {
+	if userResp == nil {
+		return fmt.Errorf("response is nil")
+	}
+	if model == nil {
+		return fmt.Errorf("model input is nil")
+	}
+	user := userResp
+
+	// Handle user ID
+	var userId int64
+	if model.UserId.ValueInt64() != 0 {
+		userId = model.UserId.ValueInt64()
+	} else if user.Id != nil {
+		userId = *user.Id
+	} else {
+		return fmt.Errorf("user id not present")
+	}
+
+	// Set main attributes
+	model.Id = types.Int64Value(userId)
+	model.UserId = types.Int64Value(userId)
+	model.Username = types.StringPointerValue(user.Username)
+
+	// Map roles
+	if user.Roles != nil {
+		var roles []attr.Value
+		for _, role := range *user.Roles {
+			roles = append(roles, types.StringValue(string(role)))
+		}
+		rolesSet, diags := types.SetValue(types.StringType, roles)
+		if diags.HasError() {
+			return fmt.Errorf("failed to map roles: %w", core.DiagsToError(diags))
+		}
+		model.Roles = types.List(rolesSet)
+	}
+
+	// Ensure roles is not null
+	if model.Roles.IsNull() || model.Roles.IsUnknown() {
+		model.Roles = types.List(types.SetNull(types.StringType))
+	}
+
+	// Set connection details
+	model.Host = types.StringPointerValue(user.Host)
+	model.Port = types.Int64PointerValue(user.Port)
+	model.Region = types.StringValue(region)
+	return nil
+}
+
+// mapFieldsCreate maps the API response from creating a user to a resourceModel.
+func mapFieldsCreate(userResp *sqlserverflexalpha.CreateUserResponse, model *resourceModel, region string) error {
+	if userResp == nil {
+		return fmt.Errorf("response is nil")
+	}
+	if model == nil {
+		return fmt.Errorf("model input is nil")
+	}
+	user := userResp
+
+	if user.Id == nil {
+		return fmt.Errorf("user id not present")
+	}
+	userId := *user.Id
+	model.Id = types.Int64Value(userId)
+	model.UserId = types.Int64Value(userId)
+	model.Username = types.StringPointerValue(user.Username)
+
+	if user.Password == nil {
+		return fmt.Errorf("user password not present")
+	}
+	model.Password = types.StringValue(*user.Password)
+
+	if user.Roles != nil {
+		var roles []attr.Value
+		for _, role := range *user.Roles {
+			roles = append(roles, types.StringValue(string(role)))
+		}
+		rolesSet, diags := types.SetValue(types.StringType, roles)
+		if diags.HasError() {
+			return fmt.Errorf("failed to map roles: %w", core.DiagsToError(diags))
+		}
+		model.Roles = types.List(rolesSet)
+	}
+
+	if model.Roles.IsNull() || model.Roles.IsUnknown() {
+		model.Roles = types.List(types.SetNull(types.StringType))
+	}
+
+	model.Host = types.StringPointerValue(user.Host)
+	model.Port = types.Int64PointerValue(user.Port)
+	model.Region = types.StringValue(region)
+	model.Status = types.StringPointerValue(user.Status)
+	model.DefaultDatabase = types.StringPointerValue(user.DefaultDatabase)
+
+	return nil
+}
+
+// toCreatePayload converts a resourceModel to an API CreateUserRequestPayload.
+func toCreatePayload(
+	model *resourceModel,
+	roles []sqlserverflexalpha.UserRole,
+) (*sqlserverflexalpha.CreateUserRequestPayload, error) {
+	if model == nil {
+		return nil, fmt.Errorf("nil model")
+	}
+
+	return &sqlserverflexalpha.CreateUserRequestPayload{
+		Username:        conversion.StringValueToPointer(model.Username),
+		DefaultDatabase: conversion.StringValueToPointer(model.DefaultDatabase),
+		Roles:           &roles,
+	}, nil
+}

stackit/internal/services/sqlserverflexalpha/user/mapper_test.go

@@ -0,0 +1,525 @@
+package sqlserverflexalpha
+
+import (
+	"testing"
+
+	"github.com/google/go-cmp/cmp"
+	"github.com/hashicorp/terraform-plugin-framework/attr"
+	"github.com/hashicorp/terraform-plugin-framework/types"
+	"github.com/stackitcloud/stackit-sdk-go/core/utils"
+	"tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/pkg_gen/sqlserverflexalpha"
+)
+
+func TestMapDataSourceFields(t *testing.T) {
+	const testRegion = "region"
+	tests := []struct {
+		description string
+		input       *sqlserverflexalpha.GetUserResponse
+		region      string
+		expected    dataSourceModel
+		isValid     bool
+	}{
+		{
+			"default_values",
+			&sqlserverflexalpha.GetUserResponse{},
+			testRegion,
+			dataSourceModel{
+				Id:              types.StringValue("pid,region,iid,1"),
+				UserId:          types.Int64Value(1),
+				InstanceId:      types.StringValue("iid"),
+				ProjectId:       types.StringValue("pid"),
+				Username:        types.StringNull(),
+				Roles:           types.SetNull(types.StringType),
+				Host:            types.StringNull(),
+				Port:            types.Int64Null(),
+				Region:          types.StringValue(testRegion),
+				Status:          types.StringNull(),
+				DefaultDatabase: types.StringNull(),
+			},
+			true,
+		},
+		{
+			"simple_values",
+			&sqlserverflexalpha.GetUserResponse{
+
+				Roles: &[]sqlserverflexalpha.UserRole{
+					"role_1",
+					"role_2",
+					"",
+				},
+				Username:        utils.Ptr("username"),
+				Host:            utils.Ptr("host"),
+				Port:            utils.Ptr(int64(1234)),
+				Status:          utils.Ptr("active"),
+				DefaultDatabase: utils.Ptr("default_db"),
+			},
+			testRegion,
+			dataSourceModel{
+				Id:         types.StringValue("pid,region,iid,1"),
+				UserId:     types.Int64Value(1),
+				InstanceId: types.StringValue("iid"),
+				ProjectId:  types.StringValue("pid"),
+				Username:   types.StringValue("username"),
+				Roles: types.SetValueMust(
+					types.StringType, []attr.Value{
+						types.StringValue("role_1"),
+						types.StringValue("role_2"),
+						types.StringValue(""),
+					},
+				),
+				Host:            types.StringValue("host"),
+				Port:            types.Int64Value(1234),
+				Region:          types.StringValue(testRegion),
+				Status:          types.StringValue("active"),
+				DefaultDatabase: types.StringValue("default_db"),
+			},
+			true,
+		},
+		{
+			"null_fields_and_int_conversions",
+			&sqlserverflexalpha.GetUserResponse{
+				Id:       utils.Ptr(int64(1)),
+				Roles:    &[]sqlserverflexalpha.UserRole{},
+				Username: nil,
+				Host:     nil,
+				Port:     utils.Ptr(int64(2123456789)),
+			},
+			testRegion,
+			dataSourceModel{
+				Id:         types.StringValue("pid,region,iid,1"),
+				UserId:     types.Int64Value(1),
+				InstanceId: types.StringValue("iid"),
+				ProjectId:  types.StringValue("pid"),
+				Username:   types.StringNull(),
+				Roles:      types.SetValueMust(types.StringType, []attr.Value{}),
+				Host:       types.StringNull(),
+				Port:       types.Int64Value(2123456789),
+				Region:     types.StringValue(testRegion),
+			},
+			true,
+		},
+		{
+			"nil_response",
+			nil,
+			testRegion,
+			dataSourceModel{},
+			false,
+		},
+		{
+			"nil_response_2",
+			&sqlserverflexalpha.GetUserResponse{},
+			testRegion,
+			dataSourceModel{},
+			false,
+		},
+		{
+			"no_resource_id",
+			&sqlserverflexalpha.GetUserResponse{},
+			testRegion,
+			dataSourceModel{},
+			false,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(
+			tt.description, func(t *testing.T) {
+				state := &dataSourceModel{
+					ProjectId:  tt.expected.ProjectId,
+					InstanceId: tt.expected.InstanceId,
+					UserId:     tt.expected.UserId,
+				}
+				err := mapDataSourceFields(tt.input, state, tt.region)
+				if !tt.isValid && err == nil {
+					t.Fatalf("Should have failed")
+				}
+				if tt.isValid && err != nil {
+					t.Fatalf("Should not have failed: %v", err)
+				}
+				if tt.isValid {
+					diff := cmp.Diff(state, &tt.expected)
+					if diff != "" {
+						t.Fatalf("Data does not match: %s", diff)
+					}
+				}
+			},
+		)
+	}
+}
+
+func TestMapFieldsCreate(t *testing.T) {
+	const testRegion = "region"
+	tests := []struct {
+		description string
+		input       *sqlserverflexalpha.CreateUserResponse
+		region      string
+		expected    resourceModel
+		isValid     bool
+	}{
+		{
+			"default_values",
+			&sqlserverflexalpha.CreateUserResponse{
+				Id:       utils.Ptr(int64(1)),
+				Password: utils.Ptr(""),
+			},
+			testRegion,
+			resourceModel{
+				Id:         types.Int64Value(1),
+				UserId:     types.Int64Value(1),
+				InstanceId: types.StringValue("iid"),
+				ProjectId:  types.StringValue("pid"),
+				Username:   types.StringNull(),
+				Roles:      types.List(types.SetNull(types.StringType)),
+				Password:   types.StringValue(""),
+				Host:       types.StringNull(),
+				Port:       types.Int64Null(),
+				Region:     types.StringValue(testRegion),
+			},
+			true,
+		},
+		{
+			"simple_values",
+			&sqlserverflexalpha.CreateUserResponse{
+				Id: utils.Ptr(int64(2)),
+				Roles: &[]sqlserverflexalpha.UserRole{
+					"role_1",
+					"role_2",
+					"",
+				},
+				Username:        utils.Ptr("username"),
+				Password:        utils.Ptr("password"),
+				Host:            utils.Ptr("host"),
+				Port:            utils.Ptr(int64(1234)),
+				Status:          utils.Ptr("status"),
+				DefaultDatabase: utils.Ptr("default_db"),
+			},
+			testRegion,
+			resourceModel{
+				Id:         types.Int64Value(2),
+				UserId:     types.Int64Value(2),
+				InstanceId: types.StringValue("iid"),
+				ProjectId:  types.StringValue("pid"),
+				Username:   types.StringValue("username"),
+				Roles: types.List(
+					types.SetValueMust(
+						types.StringType, []attr.Value{
+							types.StringValue("role_1"),
+							types.StringValue("role_2"),
+							types.StringValue(""),
+						},
+					),
+				),
+				Password:        types.StringValue("password"),
+				Host:            types.StringValue("host"),
+				Port:            types.Int64Value(1234),
+				Region:          types.StringValue(testRegion),
+				Status:          types.StringValue("status"),
+				DefaultDatabase: types.StringValue("default_db"),
+			},
+			true,
+		},
+		{
+			"null_fields_and_int_conversions",
+			&sqlserverflexalpha.CreateUserResponse{
+				Id:       utils.Ptr(int64(3)),
+				Roles:    &[]sqlserverflexalpha.UserRole{},
+				Username: nil,
+				Password: utils.Ptr(""),
+				Host:     nil,
+				Port:     utils.Ptr(int64(2123456789)),
+			},
+			testRegion,
+			resourceModel{
+				Id:              types.Int64Value(3),
+				UserId:          types.Int64Value(3),
+				InstanceId:      types.StringValue("iid"),
+				ProjectId:       types.StringValue("pid"),
+				Username:        types.StringNull(),
+				Roles:           types.List(types.SetValueMust(types.StringType, []attr.Value{})),
+				Password:        types.StringValue(""),
+				Host:            types.StringNull(),
+				Port:            types.Int64Value(2123456789),
+				Region:          types.StringValue(testRegion),
+				DefaultDatabase: types.StringNull(),
+				Status:          types.StringNull(),
+			},
+			true,
+		},
+		{
+			"nil_response",
+			nil,
+			testRegion,
+			resourceModel{},
+			false,
+		},
+		{
+			"nil_response_2",
+			&sqlserverflexalpha.CreateUserResponse{},
+			testRegion,
+			resourceModel{},
+			false,
+		},
+		{
+			"no_resource_id",
+			&sqlserverflexalpha.CreateUserResponse{},
+			testRegion,
+			resourceModel{},
+			false,
+		},
+		{
+			"no_password",
+			&sqlserverflexalpha.CreateUserResponse{
+				Id: utils.Ptr(int64(1)),
+			},
+			testRegion,
+			resourceModel{},
+			false,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(
+			tt.description, func(t *testing.T) {
+				state := &resourceModel{
+					ProjectId:  tt.expected.ProjectId,
+					InstanceId: tt.expected.InstanceId,
+				}
+				err := mapFieldsCreate(tt.input, state, tt.region)
+				if !tt.isValid && err == nil {
+					t.Fatalf("Should have failed")
+				}
+				if tt.isValid && err != nil {
+					t.Fatalf("Should not have failed: %v", err)
+				}
+				if tt.isValid {
+					diff := cmp.Diff(state, &tt.expected)
+					if diff != "" {
+						t.Fatalf("Data does not match: %s", diff)
+					}
+				}
+			},
+		)
+	}
+}
+
+func TestMapFields(t *testing.T) {
+	const testRegion = "region"
+	tests := []struct {
+		description string
+		input       *sqlserverflexalpha.GetUserResponse
+		region      string
+		expected    resourceModel
+		isValid     bool
+	}{
+		{
+			"default_values",
+			&sqlserverflexalpha.GetUserResponse{},
+			testRegion,
+			resourceModel{
+				Id:         types.Int64Value(1),
+				UserId:     types.Int64Value(1),
+				InstanceId: types.StringValue("iid"),
+				ProjectId:  types.StringValue("pid"),
+				Username:   types.StringNull(),
+				Roles:      types.List(types.SetNull(types.StringType)),
+				Host:       types.StringNull(),
+				Port:       types.Int64Null(),
+				Region:     types.StringValue(testRegion),
+			},
+			true,
+		},
+		{
+			"simple_values",
+			&sqlserverflexalpha.GetUserResponse{
+				Roles: &[]sqlserverflexalpha.UserRole{
+					"role_1",
+					"role_2",
+					"",
+				},
+				Username: utils.Ptr("username"),
+				Host:     utils.Ptr("host"),
+				Port:     utils.Ptr(int64(1234)),
+			},
+			testRegion,
+			resourceModel{
+				Id:         types.Int64Value(2),
+				UserId:     types.Int64Value(2),
+				InstanceId: types.StringValue("iid"),
+				ProjectId:  types.StringValue("pid"),
+				Username:   types.StringValue("username"),
+				Roles: types.List(
+					types.SetValueMust(
+						types.StringType, []attr.Value{
+							types.StringValue("role_1"),
+							types.StringValue("role_2"),
+							types.StringValue(""),
+						},
+					),
+				),
+				Host:   types.StringValue("host"),
+				Port:   types.Int64Value(1234),
+				Region: types.StringValue(testRegion),
+			},
+			true,
+		},
+		{
+			"null_fields_and_int_conversions",
+			&sqlserverflexalpha.GetUserResponse{
+				Id:       utils.Ptr(int64(1)),
+				Roles:    &[]sqlserverflexalpha.UserRole{},
+				Username: nil,
+				Host:     nil,
+				Port:     utils.Ptr(int64(2123456789)),
+			},
+			testRegion,
+			resourceModel{
+				Id:         types.Int64Value(1),
+				UserId:     types.Int64Value(1),
+				InstanceId: types.StringValue("iid"),
+				ProjectId:  types.StringValue("pid"),
+				Username:   types.StringNull(),
+				Roles:      types.List(types.SetValueMust(types.StringType, []attr.Value{})),
+				Host:       types.StringNull(),
+				Port:       types.Int64Value(2123456789),
+				Region:     types.StringValue(testRegion),
+			},
+			true,
+		},
+		{
+			"nil_response",
+			nil,
+			testRegion,
+			resourceModel{},
+			false,
+		},
+		{
+			"nil_response_2",
+			&sqlserverflexalpha.GetUserResponse{},
+			testRegion,
+			resourceModel{},
+			false,
+		},
+		{
+			"no_resource_id",
+			&sqlserverflexalpha.GetUserResponse{},
+			testRegion,
+			resourceModel{},
+			false,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(
+			tt.description, func(t *testing.T) {
+				state := &resourceModel{
+					ProjectId:  tt.expected.ProjectId,
+					InstanceId: tt.expected.InstanceId,
+					UserId:     tt.expected.UserId,
+				}
+				err := mapFields(tt.input, state, tt.region)
+				if !tt.isValid && err == nil {
+					t.Fatalf("Should have failed")
+				}
+				if tt.isValid && err != nil {
+					t.Fatalf("Should not have failed: %v", err)
+				}
+				if tt.isValid {
+					diff := cmp.Diff(state, &tt.expected)
+					if diff != "" {
+						t.Fatalf("Data does not match: %s", diff)
+					}
+				}
+			},
+		)
+	}
+}
+
+func TestToCreatePayload(t *testing.T) {
+	tests := []struct {
+		description string
+		input       *resourceModel
+		inputRoles  []sqlserverflexalpha.UserRole
+		expected    *sqlserverflexalpha.CreateUserRequestPayload
+		isValid     bool
+	}{
+		{
+			"default_values",
+			&resourceModel{},
+			[]sqlserverflexalpha.UserRole{},
+			&sqlserverflexalpha.CreateUserRequestPayload{
+				Roles:    &[]sqlserverflexalpha.UserRole{},
+				Username: nil,
+			},
+			true,
+		},
+		{
+			"default_values",
+			&resourceModel{
+				Username: types.StringValue("username"),
+			},
+			[]sqlserverflexalpha.UserRole{
+				"role_1",
+				"role_2",
+			},
+			&sqlserverflexalpha.CreateUserRequestPayload{
+				Roles: &[]sqlserverflexalpha.UserRole{
+					"role_1",
+					"role_2",
+				},
+				Username: utils.Ptr("username"),
+			},
+			true,
+		},
+		{
+			"null_fields_and_int_conversions",
+			&resourceModel{
+				Username: types.StringNull(),
+			},
+			[]sqlserverflexalpha.UserRole{
+				"",
+			},
+			&sqlserverflexalpha.CreateUserRequestPayload{
+				Roles: &[]sqlserverflexalpha.UserRole{
+					"",
+				},
+				Username: nil,
+			},
+			true,
+		},
+		{
+			"nil_model",
+			nil,
+			[]sqlserverflexalpha.UserRole{},
+			nil,
+			false,
+		},
+		{
+			"nil_roles",
+			&resourceModel{
+				Username: types.StringValue("username"),
+			},
+			[]sqlserverflexalpha.UserRole{},
+			&sqlserverflexalpha.CreateUserRequestPayload{
+				Roles:    &[]sqlserverflexalpha.UserRole{},
+				Username: utils.Ptr("username"),
+			},
+			true,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(
+			tt.description, func(t *testing.T) {
+				output, err := toCreatePayload(tt.input, tt.inputRoles)
+				if !tt.isValid && err == nil {
+					t.Fatalf("Should have failed")
+				}
+				if tt.isValid && err != nil {
+					t.Fatalf("Should not have failed: %v", err)
+				}
+				if tt.isValid {
+					diff := cmp.Diff(output, tt.expected)
+					if diff != "" {
+						t.Fatalf("Data does not match: %s", diff)
+					}
+				}
+			},
+		)
+	}
+}

stackit/internal/services/sqlserverflexalpha/user/resource.go

@@ -9,12 +9,12 @@ import (
 	"strconv"
 	"strings"
 
+	"github.com/hashicorp/terraform-plugin-framework/resource/identityschema"
 	"tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/pkg_gen/sqlserverflexalpha"
 	sqlserverflexalphagen "tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/stackit/internal/services/sqlserverflexalpha/user/resources_gen"
 	sqlserverflexalphaUtils "tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/stackit/internal/services/sqlserverflexalpha/utils"
 	sqlserverflexalphaWait "tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/stackit/internal/wait/sqlserverflexalpha"
 
-	"github.com/hashicorp/terraform-plugin-framework/attr"
 	"github.com/hashicorp/terraform-plugin-framework/path"
 	"github.com/hashicorp/terraform-plugin-framework/resource"
 	"github.com/hashicorp/terraform-plugin-framework/types"
@@ -31,6 +31,7 @@ var (
 	_ resource.ResourceWithConfigure   = &userResource{}
 	_ resource.ResourceWithImportState = &userResource{}
 	_ resource.ResourceWithModifyPlan  = &userResource{}
+	_ resource.ResourceWithIdentity    = &userResource{}
 )
 
 // NewUserResource is a helper function to simplify the provider implementation.
@@ -131,6 +132,30 @@ func (r *userResource) Schema(ctx context.Context, _ resource.SchemaRequest, res
 	resp.Schema = s
 }
 
+// IdentitySchema defines the schema for the resource's identity attributes.
+func (r *userResource) IdentitySchema(
+	_ context.Context,
+	_ resource.IdentitySchemaRequest,
+	response *resource.IdentitySchemaResponse,
+) {
+	response.IdentitySchema = identityschema.Schema{
+		Attributes: map[string]identityschema.Attribute{
+			"project_id": identityschema.StringAttribute{
+				RequiredForImport: true, // must be set during import by the practitioner
+			},
+			"region": identityschema.StringAttribute{
+				RequiredForImport: true, // can be defaulted by the provider configuration
+			},
+			"instance_id": identityschema.StringAttribute{
+				RequiredForImport: true, // can be defaulted by the provider configuration
+			},
+			"user_id": identityschema.Int64Attribute{
+				RequiredForImport: true, // can be defaulted by the provider configuration
+			},
+		},
+	}
+}
+
 // Create creates the resource and sets the initial Terraform state.
 func (r *userResource) Create(
 	ctx context.Context,
@@ -402,109 +427,3 @@ func (r *userResource) ImportState(
 	)
 	tflog.Info(ctx, "SQLServer Flex user state imported")
 }
-
-func mapFieldsCreate(userResp *sqlserverflexalpha.CreateUserResponse, model *resourceModel, region string) error {
-	if userResp == nil {
-		return fmt.Errorf("response is nil")
-	}
-	if model == nil {
-		return fmt.Errorf("model input is nil")
-	}
-	user := userResp
-
-	if user.Id == nil {
-		return fmt.Errorf("user id not present")
-	}
-	userId := *user.Id
-	model.Id = types.Int64Value(userId)
-	model.UserId = types.Int64Value(userId)
-	model.Username = types.StringPointerValue(user.Username)
-
-	if user.Password == nil {
-		return fmt.Errorf("user password not present")
-	}
-	model.Password = types.StringValue(*user.Password)
-
-	if user.Roles != nil {
-		var roles []attr.Value
-		for _, role := range *user.Roles {
-			roles = append(roles, types.StringValue(string(role)))
-		}
-		rolesSet, diags := types.SetValue(types.StringType, roles)
-		if diags.HasError() {
-			return fmt.Errorf("failed to map roles: %w", core.DiagsToError(diags))
-		}
-		model.Roles = types.List(rolesSet)
-	}
-
-	if model.Roles.IsNull() || model.Roles.IsUnknown() {
-		model.Roles = types.List(types.SetNull(types.StringType))
-	}
-
-	model.Host = types.StringPointerValue(user.Host)
-	model.Port = types.Int64PointerValue(user.Port)
-	model.Region = types.StringValue(region)
-	model.Status = types.StringPointerValue(user.Status)
-	model.DefaultDatabase = types.StringPointerValue(user.DefaultDatabase)
-
-	return nil
-}
-
-func mapFields(userResp *sqlserverflexalpha.GetUserResponse, model *resourceModel, region string) error {
-	if userResp == nil {
-		return fmt.Errorf("response is nil")
-	}
-	if model == nil {
-		return fmt.Errorf("model input is nil")
-	}
-	user := userResp
-
-	var userId int64
-	if model.UserId.ValueInt64() != 0 {
-		userId = model.UserId.ValueInt64()
-	} else if user.Id != nil {
-		userId = *user.Id
-	} else {
-		return fmt.Errorf("user id not present")
-	}
-
-	model.Id = types.Int64Value(userId)
-	model.UserId = types.Int64Value(userId)
-	model.Username = types.StringPointerValue(user.Username)
-
-	if user.Roles != nil {
-		var roles []attr.Value
-		for _, role := range *user.Roles {
-			roles = append(roles, types.StringValue(string(role)))
-		}
-		rolesSet, diags := types.SetValue(types.StringType, roles)
-		if diags.HasError() {
-			return fmt.Errorf("failed to map roles: %w", core.DiagsToError(diags))
-		}
-		model.Roles = types.List(rolesSet)
-	}
-
-	if model.Roles.IsNull() || model.Roles.IsUnknown() {
-		model.Roles = types.List(types.SetNull(types.StringType))
-	}
-
-	model.Host = types.StringPointerValue(user.Host)
-	model.Port = types.Int64PointerValue(user.Port)
-	model.Region = types.StringValue(region)
-	return nil
-}
-
-func toCreatePayload(
-	model *resourceModel,
-	roles []sqlserverflexalpha.UserRole,
-) (*sqlserverflexalpha.CreateUserRequestPayload, error) {
-	if model == nil {
-		return nil, fmt.Errorf("nil model")
-	}
-
-	return &sqlserverflexalpha.CreateUserRequestPayload{
-		Username:        conversion.StringValueToPointer(model.Username),
-		DefaultDatabase: conversion.StringValueToPointer(model.DefaultDatabase),
-		Roles:           &roles,
-	}, nil
-}

stackit/internal/services/sqlserverflexalpha/user/resource_test.go

@@ -1,388 +0,0 @@
-package sqlserverflexalpha
-
-import (
-	"testing"
-
-	"github.com/google/go-cmp/cmp"
-	"github.com/hashicorp/terraform-plugin-framework/types"
-	"github.com/stackitcloud/stackit-sdk-go/core/utils"
-	"tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/pkg_gen/sqlserverflexalpha"
-)
-
-func TestMapFieldsCreate(t *testing.T) {
-	const testRegion = "region"
-	tests := []struct {
-		description string
-		input       *sqlserverflexalpha.CreateUserResponse
-		region      string
-		expected    resourceModel
-		isValid     bool
-	}{
-		//{
-		//	"default_values",
-		//	&sqlserverflexalpha.CreateUserResponse{
-		//		Id:       utils.Ptr(int64(1)),
-		//		Password: utils.Ptr(""),
-		//	},
-		//	testRegion,
-		//	resourceModel{
-		//		Id:         types.Int64Value(1),
-		//		UserId:     types.Int64Value(1),
-		//		InstanceId: types.StringValue("iid"),
-		//		ProjectId:  types.StringValue("pid"),
-		//		Username:   types.StringNull(),
-		//		Roles:      types.List(types.SetNull(types.StringType)),
-		//		Password:   types.StringValue(""),
-		//		Host:       types.StringNull(),
-		//		Port:       types.Int64Null(),
-		//		Region:     types.StringValue(testRegion),
-		//	},
-		//	true,
-		//},
-		//{
-		//	"simple_values",
-		//	&sqlserverflexalpha.CreateUserResponse{
-		//		Id: utils.Ptr(int64(2)),
-		//		Roles: &[]sqlserverflexalpha.UserRole{
-		//			"role_1",
-		//			"role_2",
-		//			"",
-		//		},
-		//		Username:        utils.Ptr("username"),
-		//		Password:        utils.Ptr("password"),
-		//		Host:            utils.Ptr("host"),
-		//		Port:            utils.Ptr(int64(1234)),
-		//		Status:          utils.Ptr("status"),
-		//		DefaultDatabase: utils.Ptr("default_db"),
-		//	},
-		//	testRegion,
-		//	resourceModel{
-		//		Id:         types.Int64Value(2),
-		//		UserId:     types.Int64Value(2),
-		//		InstanceId: types.StringValue("iid"),
-		//		ProjectId:  types.StringValue("pid"),
-		//		Username:   types.StringValue("username"),
-		//		Roles: types.List(
-		//			types.SetValueMust(
-		//				types.StringType, []attr.Value{
-		//					types.StringValue("role_1"),
-		//					types.StringValue("role_2"),
-		//					types.StringValue(""),
-		//				},
-		//			),
-		//		),
-		//		Password:        types.StringValue("password"),
-		//		Host:            types.StringValue("host"),
-		//		Port:            types.Int64Value(1234),
-		//		Region:          types.StringValue(testRegion),
-		//		Status:          types.StringValue("status"),
-		//		DefaultDatabase: types.StringValue("default_db"),
-		//	},
-		//	true,
-		//},
-		//{
-		//	"null_fields_and_int_conversions",
-		//	&sqlserverflexalpha.CreateUserResponse{
-		//		Id:       utils.Ptr(int64(3)),
-		//		Roles:    &[]sqlserverflexalpha.UserRole{},
-		//		Username: nil,
-		//		Password: utils.Ptr(""),
-		//		Host:     nil,
-		//		Port:     utils.Ptr(int64(2123456789)),
-		//	},
-		//	testRegion,
-		//	resourceModel{
-		//		Id:              types.Int64Value(3),
-		//		UserId:          types.Int64Value(3),
-		//		InstanceId:      types.StringValue("iid"),
-		//		ProjectId:       types.StringValue("pid"),
-		//		Username:        types.StringNull(),
-		//		Roles:           types.List(types.SetValueMust(types.StringType, []attr.Value{})),
-		//		Password:        types.StringValue(""),
-		//		Host:            types.StringNull(),
-		//		Port:            types.Int64Value(2123456789),
-		//		Region:          types.StringValue(testRegion),
-		//		DefaultDatabase: types.StringNull(),
-		//		Status:          types.StringNull(),
-		//	},
-		//	true,
-		//},
-		{
-			"nil_response",
-			nil,
-			testRegion,
-			resourceModel{},
-			false,
-		},
-		{
-			"nil_response_2",
-			&sqlserverflexalpha.CreateUserResponse{},
-			testRegion,
-			resourceModel{},
-			false,
-		},
-		{
-			"no_resource_id",
-			&sqlserverflexalpha.CreateUserResponse{},
-			testRegion,
-			resourceModel{},
-			false,
-		},
-		{
-			"no_password",
-			&sqlserverflexalpha.CreateUserResponse{
-				Id: utils.Ptr(int64(1)),
-			},
-			testRegion,
-			resourceModel{},
-			false,
-		},
-	}
-	for _, tt := range tests {
-		t.Run(
-			tt.description, func(t *testing.T) {
-				state := &resourceModel{
-					ProjectId:  tt.expected.ProjectId,
-					InstanceId: tt.expected.InstanceId,
-				}
-				err := mapFieldsCreate(tt.input, state, tt.region)
-				if !tt.isValid && err == nil {
-					t.Fatalf("Should have failed")
-				}
-				if tt.isValid && err != nil {
-					t.Fatalf("Should not have failed: %v", err)
-				}
-				if tt.isValid {
-					diff := cmp.Diff(state, &tt.expected)
-					if diff != "" {
-						t.Fatalf("Data does not match: %s", diff)
-					}
-				}
-			},
-		)
-	}
-}
-
-func TestMapFields(t *testing.T) {
-	const testRegion = "region"
-	tests := []struct {
-		description string
-		input       *sqlserverflexalpha.GetUserResponse
-		region      string
-		expected    resourceModel
-		isValid     bool
-	}{
-		//{
-		//	"default_values",
-		//	&sqlserverflexalpha.GetUserResponse{},
-		//	testRegion,
-		//	resourceModel{
-		//		Id:         types.Int64Value(1),
-		//		UserId:     types.Int64Value(1),
-		//		InstanceId: types.StringValue("iid"),
-		//		ProjectId:  types.StringValue("pid"),
-		//		Username:   types.StringNull(),
-		//		Roles:      types.List(types.SetNull(types.StringType)),
-		//		Host:       types.StringNull(),
-		//		Port:       types.Int64Null(),
-		//		Region:     types.StringValue(testRegion),
-		//	},
-		//	true,
-		//},
-		//{
-		//	"simple_values",
-		//	&sqlserverflexalpha.GetUserResponse{
-		//		Roles: &[]sqlserverflexalpha.UserRole{
-		//			"role_1",
-		//			"role_2",
-		//			"",
-		//		},
-		//		Username: utils.Ptr("username"),
-		//		Host:     utils.Ptr("host"),
-		//		Port:     utils.Ptr(int64(1234)),
-		//	},
-		//	testRegion,
-		//	resourceModel{
-		//		Id:         types.Int64Value(2),
-		//		UserId:     types.Int64Value(2),
-		//		InstanceId: types.StringValue("iid"),
-		//		ProjectId:  types.StringValue("pid"),
-		//		Username:   types.StringValue("username"),
-		//		Roles: types.List(
-		//			types.SetValueMust(
-		//				types.StringType, []attr.Value{
-		//					types.StringValue("role_1"),
-		//					types.StringValue("role_2"),
-		//					types.StringValue(""),
-		//				},
-		//			),
-		//		),
-		//		Host:   types.StringValue("host"),
-		//		Port:   types.Int64Value(1234),
-		//		Region: types.StringValue(testRegion),
-		//	},
-		//	true,
-		//},
-		//{
-		//	"null_fields_and_int_conversions",
-		//	&sqlserverflexalpha.GetUserResponse{
-		//		Id:       utils.Ptr(int64(1)),
-		//		Roles:    &[]sqlserverflexalpha.UserRole{},
-		//		Username: nil,
-		//		Host:     nil,
-		//		Port:     utils.Ptr(int64(2123456789)),
-		//	},
-		//	testRegion,
-		//	resourceModel{
-		//		Id:         types.Int64Value(1),
-		//		UserId:     types.Int64Value(1),
-		//		InstanceId: types.StringValue("iid"),
-		//		ProjectId:  types.StringValue("pid"),
-		//		Username:   types.StringNull(),
-		//		Roles:      types.List(types.SetValueMust(types.StringType, []attr.Value{})),
-		//		Host:       types.StringNull(),
-		//		Port:       types.Int64Value(2123456789),
-		//		Region:     types.StringValue(testRegion),
-		//	},
-		//	true,
-		//},
-		{
-			"nil_response",
-			nil,
-			testRegion,
-			resourceModel{},
-			false,
-		},
-		{
-			"nil_response_2",
-			&sqlserverflexalpha.GetUserResponse{},
-			testRegion,
-			resourceModel{},
-			false,
-		},
-		{
-			"no_resource_id",
-			&sqlserverflexalpha.GetUserResponse{},
-			testRegion,
-			resourceModel{},
-			false,
-		},
-	}
-	for _, tt := range tests {
-		t.Run(
-			tt.description, func(t *testing.T) {
-				state := &resourceModel{
-					ProjectId:  tt.expected.ProjectId,
-					InstanceId: tt.expected.InstanceId,
-					UserId:     tt.expected.UserId,
-				}
-				err := mapFields(tt.input, state, tt.region)
-				if !tt.isValid && err == nil {
-					t.Fatalf("Should have failed")
-				}
-				if tt.isValid && err != nil {
-					t.Fatalf("Should not have failed: %v", err)
-				}
-				if tt.isValid {
-					diff := cmp.Diff(state, &tt.expected)
-					if diff != "" {
-						t.Fatalf("Data does not match: %s", diff)
-					}
-				}
-			},
-		)
-	}
-}
-
-func TestToCreatePayload(t *testing.T) {
-	tests := []struct {
-		description string
-		input       *resourceModel
-		inputRoles  []sqlserverflexalpha.UserRole
-		expected    *sqlserverflexalpha.CreateUserRequestPayload
-		isValid     bool
-	}{
-		{
-			"default_values",
-			&resourceModel{},
-			[]sqlserverflexalpha.UserRole{},
-			&sqlserverflexalpha.CreateUserRequestPayload{
-				Roles:    &[]sqlserverflexalpha.UserRole{},
-				Username: nil,
-			},
-			true,
-		},
-		{
-			"default_values",
-			&resourceModel{
-				Username: types.StringValue("username"),
-			},
-			[]sqlserverflexalpha.UserRole{
-				"role_1",
-				"role_2",
-			},
-			&sqlserverflexalpha.CreateUserRequestPayload{
-				Roles: &[]sqlserverflexalpha.UserRole{
-					"role_1",
-					"role_2",
-				},
-				Username: utils.Ptr("username"),
-			},
-			true,
-		},
-		{
-			"null_fields_and_int_conversions",
-			&resourceModel{
-				Username: types.StringNull(),
-			},
-			[]sqlserverflexalpha.UserRole{
-				"",
-			},
-			&sqlserverflexalpha.CreateUserRequestPayload{
-				Roles: &[]sqlserverflexalpha.UserRole{
-					"",
-				},
-				Username: nil,
-			},
-			true,
-		},
-		{
-			"nil_model",
-			nil,
-			[]sqlserverflexalpha.UserRole{},
-			nil,
-			false,
-		},
-		{
-			"nil_roles",
-			&resourceModel{
-				Username: types.StringValue("username"),
-			},
-			[]sqlserverflexalpha.UserRole{},
-			&sqlserverflexalpha.CreateUserRequestPayload{
-				Roles:    &[]sqlserverflexalpha.UserRole{},
-				Username: utils.Ptr("username"),
-			},
-			true,
-		},
-	}
-	for _, tt := range tests {
-		t.Run(
-			tt.description, func(t *testing.T) {
-				output, err := toCreatePayload(tt.input, tt.inputRoles)
-				if !tt.isValid && err == nil {
-					t.Fatalf("Should have failed")
-				}
-				if tt.isValid && err != nil {
-					t.Fatalf("Should not have failed: %v", err)
-				}
-				if tt.isValid {
-					diff := cmp.Diff(output, tt.expected)
-					if diff != "" {
-						t.Fatalf("Data does not match: %s", diff)
-					}
-				}
-			},
-		)
-	}
-}

stackit/internal/services/sqlserverflexbeta/database/datasource.go

@@ -7,6 +7,7 @@ import (
 
 	"github.com/hashicorp/terraform-plugin-framework/datasource"
 	"github.com/hashicorp/terraform-plugin-framework/datasource/schema"
+	"github.com/hashicorp/terraform-plugin-framework/diag"
 	"github.com/hashicorp/terraform-plugin-framework/types"
 	"github.com/hashicorp/terraform-plugin-log/tflog"
 	"github.com/stackitcloud/stackit-sdk-go/core/config"
@@ -28,7 +29,7 @@ func NewDatabaseDataSource() datasource.DataSource {
 
 type dataSourceModel struct {
 	sqlserverflexbetaGen.DatabaseModel
-	TfId types.String `tfsdk:"id"`
+	TerraformId types.String `tfsdk:"id"`
 }
 
 type databaseDataSource struct {
@@ -97,8 +98,6 @@ func (d *databaseDataSource) Configure(
 
 func (d *databaseDataSource) Read(ctx context.Context, req datasource.ReadRequest, resp *datasource.ReadResponse) {
 	var data dataSourceModel
-	readErr := "Read DB error"
-
 	// Read Terraform configuration data into the model
 	resp.Diagnostics.Append(req.Config.Get(ctx, &data)...)
 
@@ -108,6 +107,7 @@ func (d *databaseDataSource) Read(ctx context.Context, req datasource.ReadReques
 
 	ctx = core.InitProviderContext(ctx)
 
+	// Extract identifiers from the plan
 	projectId := data.ProjectId.ValueString()
 	region := d.providerData.GetRegionWithOverride(data.Region)
 	instanceId := data.InstanceId.ValueString()
@@ -120,44 +120,55 @@ func (d *databaseDataSource) Read(ctx context.Context, req datasource.ReadReques
 
 	databaseResp, err := d.client.GetDatabaseRequest(ctx, projectId, region, instanceId, databaseName).Execute()
 	if err != nil {
-		utils.LogError(
+		handleReadError(ctx, &resp.Diagnostics, err, projectId, instanceId)
-			ctx,
-			&resp.Diagnostics,
-			err,
-			"Reading database",
-			fmt.Sprintf("database with %q does not exist in project %q.", databaseName, projectId),
-			map[int]string{
-				http.StatusForbidden: fmt.Sprintf("Project with %q not found or forbidden access", projectId),
-			},
-		)
 		resp.State.RemoveResource(ctx)
 		return
 	}
 
 	ctx = core.LogResponse(ctx)
-
+	// Map response body to schema and populate Computed attribute values
-	dbId, ok := databaseResp.GetIdOk()
+	err = mapFields(databaseResp, &data, region)
-	if !ok {
+	if err != nil {
 		core.LogAndAddError(
 			ctx,
 			&resp.Diagnostics,
-			readErr,
+			"Error reading database",
-			"Database creation waiting: returned id is nil",
+			fmt.Sprintf("Processing API payload: %v", err),
 		)
 		return
 	}
 
-	data.Id = types.Int64Value(dbId)
-	data.TfId = utils.BuildInternalTerraformId(projectId, region, instanceId, databaseName)
-	data.Owner = types.StringValue(databaseResp.GetOwner())
-	data.CollationName = types.StringValue(databaseResp.GetCollationName())
-	data.CompatibilityLevel = types.Int64Value(databaseResp.GetCompatibilityLevel())
-	data.DatabaseName = types.StringValue(databaseResp.GetName())
-	// data.InstanceId = types.StringValue(databaseResp.GetInstanceId())
-	// data.Name = types.Sometype(apiResponse.GetName())
-	// data.ProjectId = types.Sometype(apiResponse.GetProjectId())
-	// data.Region = types.Sometype(apiResponse.GetRegion())
-
 	// Save data into Terraform state
 	resp.Diagnostics.Append(resp.State.Set(ctx, &data)...)
+
+	tflog.Info(ctx, "SQL Server Flex beta database read")
+
+}
+
+// handleReadError centralizes API error handling for the Read operation.
+func handleReadError(ctx context.Context, diags *diag.Diagnostics, err error, projectId, instanceId string) {
+	utils.LogError(
+		ctx,
+		diags,
+		err,
+		"Reading database",
+		fmt.Sprintf(
+			"Could not retrieve database for instance %q in project %q.",
+			instanceId,
+			projectId,
+		),
+		map[int]string{
+			http.StatusBadRequest: fmt.Sprintf(
+				"Invalid request parameters for project %q and instance %q.",
+				projectId,
+				instanceId,
+			),
+			http.StatusNotFound: fmt.Sprintf(
+				"Database, instance %q, or project %q not found.",
+				instanceId,
+				projectId,
+			),
+			http.StatusForbidden: fmt.Sprintf("Forbidden access to project %q.", projectId),
+		},
+	)
 }

stackit/internal/services/sqlserverflexbeta/database/mapper.go

@@ -0,0 +1,97 @@
+package sqlserverflexbeta
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/hashicorp/terraform-plugin-framework/types"
+	"tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/pkg_gen/sqlserverflexbeta"
+	"tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/stackit/internal/utils"
+)
+
+// mapFields maps fields from a ListDatabase API response to a resourceModel for the data source.
+func mapFields(source *sqlserverflexbeta.GetDatabaseResponse, model *dataSourceModel, region string) error {
+	if source == nil {
+		return fmt.Errorf("response is nil")
+	}
+	if source.Id == nil || *source.Id == 0 {
+		return fmt.Errorf("id not present")
+	}
+	if model == nil {
+		return fmt.Errorf("model given is nil")
+	}
+
+	var databaseId int64
+	if model.Id.ValueInt64() != 0 {
+		databaseId = model.Id.ValueInt64()
+	} else if source.Id != nil {
+		databaseId = *source.Id
+	} else {
+		return fmt.Errorf("database id not present")
+	}
+
+	model.Id = types.Int64Value(databaseId)
+	model.DatabaseName = types.StringValue(source.GetName())
+	model.Name = types.StringValue(source.GetName())
+	model.Owner = types.StringValue(strings.Trim(source.GetOwner(), "\""))
+	model.Region = types.StringValue(region)
+	model.ProjectId = types.StringValue(model.ProjectId.ValueString())
+	model.InstanceId = types.StringValue(model.InstanceId.ValueString())
+	model.CompatibilityLevel = types.Int64Value(source.GetCompatibilityLevel())
+	model.CollationName = types.StringValue(source.GetCollationName())
+
+	model.TerraformId = utils.BuildInternalTerraformId(
+		model.ProjectId.ValueString(),
+		region,
+		model.InstanceId.ValueString(),
+		model.DatabaseName.ValueString(),
+	)
+
+	return nil
+}
+
+// mapResourceFields maps fields from a ListDatabase API response to a resourceModel for the resource.
+func mapResourceFields(source *sqlserverflexbeta.GetDatabaseResponse, model *resourceModel, region string) error {
+	if source == nil {
+		return fmt.Errorf("response is nil")
+	}
+	if source.Id == nil || *source.Id == 0 {
+		return fmt.Errorf("id not present")
+	}
+	if model == nil {
+		return fmt.Errorf("model input is nil")
+	}
+
+	var databaseId int64
+	if model.Id.ValueInt64() != 0 {
+		databaseId = model.Id.ValueInt64()
+	} else if source.Id != nil {
+		databaseId = *source.Id
+	} else {
+		return fmt.Errorf("database id not present")
+	}
+
+	model.Id = types.Int64Value(databaseId)
+	model.DatabaseName = types.StringValue(source.GetName())
+	model.Name = types.StringValue(source.GetName())
+	model.Owner = types.StringValue(strings.Trim(source.GetOwner(), "\""))
+	model.Region = types.StringValue(region)
+	model.ProjectId = types.StringValue(model.ProjectId.ValueString())
+	model.InstanceId = types.StringValue(model.InstanceId.ValueString())
+
+	return nil
+}
+
+// toCreatePayload converts the resource model to an API create payload.
+func toCreatePayload(model *resourceModel) (*sqlserverflexbeta.CreateDatabaseRequestPayload, error) {
+	if model == nil {
+		return nil, fmt.Errorf("nil model")
+	}
+
+	return &sqlserverflexbeta.CreateDatabaseRequestPayload{
+		Name:          model.Name.ValueStringPointer(),
+		Owner:         model.Owner.ValueStringPointer(),
+		Collation:     model.Collation.ValueStringPointer(),
+		Compatibility: model.Compatibility.ValueInt64Pointer(),
+	}, nil
+}

stackit/internal/services/sqlserverflexbeta/database/mapper_test.go

@@ -0,0 +1,227 @@
+package sqlserverflexbeta
+
+import (
+	"testing"
+
+	"github.com/google/go-cmp/cmp"
+	"github.com/hashicorp/terraform-plugin-framework/types"
+	"github.com/stackitcloud/stackit-sdk-go/core/utils"
+	"tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/pkg_gen/sqlserverflexbeta"
+	datasource "tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/stackit/internal/services/sqlserverflexbeta/database/datasources_gen"
+)
+
+func TestMapFields(t *testing.T) {
+	type given struct {
+		source *sqlserverflexbeta.GetDatabaseResponse
+		model  *dataSourceModel
+		region string
+	}
+	type expected struct {
+		model *dataSourceModel
+		err   bool
+	}
+
+	testcases := []struct {
+		name     string
+		given    given
+		expected expected
+	}{
+		{
+			name: "should map fields correctly",
+			given: given{
+				source: &sqlserverflexbeta.GetDatabaseResponse{
+					Id:                 utils.Ptr(int64(1)),
+					Name:               utils.Ptr("my-db"),
+					CollationName:      utils.Ptr("collation"),
+					CompatibilityLevel: utils.Ptr(int64(150)),
+					Owner:              utils.Ptr("\"my-owner\""),
+				},
+				model: &dataSourceModel{
+					DatabaseModel: datasource.DatabaseModel{
+						ProjectId:  types.StringValue("my-project"),
+						InstanceId: types.StringValue("my-instance"),
+					},
+				},
+				region: "eu01",
+			},
+			expected: expected{
+				model: &dataSourceModel{
+					DatabaseModel: datasource.DatabaseModel{
+						Id:                 types.Int64Value(1),
+						Name:               types.StringValue("my-db"),
+						DatabaseName:       types.StringValue("my-db"),
+						Owner:              types.StringValue("my-owner"),
+						Region:             types.StringValue("eu01"),
+						InstanceId:         types.StringValue("my-instance"),
+						ProjectId:          types.StringValue("my-project"),
+						CompatibilityLevel: types.Int64Value(150),
+						CollationName:      types.StringValue("collation"),
+					},
+					TerraformId: types.StringValue("my-project,eu01,my-instance,my-db"),
+				},
+			},
+		},
+		{
+			name: "should fail on nil source",
+			given: given{
+				source: nil,
+				model:  &dataSourceModel{},
+			},
+			expected: expected{err: true},
+		},
+		{
+			name: "should fail on nil source ID",
+			given: given{
+				source: &sqlserverflexbeta.GetDatabaseResponse{Id: nil},
+				model:  &dataSourceModel{},
+			},
+			expected: expected{err: true},
+		},
+		{
+			name: "should fail on nil model",
+			given: given{
+				source: &sqlserverflexbeta.GetDatabaseResponse{Id: utils.Ptr(int64(1))},
+				model:  nil,
+			},
+			expected: expected{err: true},
+		},
+	}
+
+	for _, tc := range testcases {
+		t.Run(
+			tc.name, func(t *testing.T) {
+				err := mapFields(tc.given.source, tc.given.model, tc.given.region)
+				if (err != nil) != tc.expected.err {
+					t.Fatalf("expected error: %v, got: %v", tc.expected.err, err)
+				}
+				if err == nil {
+					if diff := cmp.Diff(tc.expected.model, tc.given.model); diff != "" {
+						t.Errorf("model mismatch (-want +got):\n%s", diff)
+					}
+				}
+			},
+		)
+	}
+}
+
+func TestMapResourceFields(t *testing.T) {
+	type given struct {
+		source *sqlserverflexbeta.GetDatabaseResponse
+		model  *resourceModel
+		region string
+	}
+	type expected struct {
+		model *resourceModel
+		err   bool
+	}
+
+	testcases := []struct {
+		name     string
+		given    given
+		expected expected
+	}{
+		{
+			name: "should map fields correctly",
+			given: given{
+				source: &sqlserverflexbeta.GetDatabaseResponse{
+					Id:    utils.Ptr(int64(1)),
+					Name:  utils.Ptr("my-db"),
+					Owner: utils.Ptr("\"my-owner\""),
+				},
+				model: &resourceModel{
+					ProjectId:  types.StringValue("my-project"),
+					InstanceId: types.StringValue("my-instance"),
+				},
+				region: "eu01",
+			},
+			expected: expected{
+				model: &resourceModel{
+					Id:           types.Int64Value(1),
+					Name:         types.StringValue("my-db"),
+					DatabaseName: types.StringValue("my-db"),
+					InstanceId:   types.StringValue("my-instance"),
+					ProjectId:    types.StringValue("my-project"),
+					Region:       types.StringValue("eu01"),
+					Owner:        types.StringValue("my-owner"),
+				},
+			},
+		},
+		{
+			name: "should fail on nil source",
+			given: given{
+				source: nil,
+				model:  &resourceModel{},
+			},
+			expected: expected{err: true},
+		},
+	}
+
+	for _, tc := range testcases {
+		t.Run(
+			tc.name, func(t *testing.T) {
+				err := mapResourceFields(tc.given.source, tc.given.model, tc.given.region)
+				if (err != nil) != tc.expected.err {
+					t.Fatalf("expected error: %v, got: %v", tc.expected.err, err)
+				}
+				if err == nil {
+					if diff := cmp.Diff(tc.expected.model, tc.given.model); diff != "" {
+						t.Errorf("model mismatch (-want +got):\n%s", diff)
+					}
+				}
+			},
+		)
+	}
+}
+
+func TestToCreatePayload(t *testing.T) {
+	type given struct {
+		model *resourceModel
+	}
+	type expected struct {
+		payload *sqlserverflexbeta.CreateDatabaseRequestPayload
+		err     bool
+	}
+
+	testcases := []struct {
+		name     string
+		given    given
+		expected expected
+	}{
+		{
+			name: "should convert model to payload",
+			given: given{
+				model: &resourceModel{
+					Name:  types.StringValue("my-db"),
+					Owner: types.StringValue("my-owner"),
+				},
+			},
+			expected: expected{
+				payload: &sqlserverflexbeta.CreateDatabaseRequestPayload{
+					Name:  utils.Ptr("my-db"),
+					Owner: utils.Ptr("my-owner"),
+				},
+			},
+		},
+		{
+			name:     "should fail on nil model",
+			given:    given{model: nil},
+			expected: expected{err: true},
+		},
+	}
+
+	for _, tc := range testcases {
+		t.Run(
+			tc.name, func(t *testing.T) {
+				actual, err := toCreatePayload(tc.given.model)
+				if (err != nil) != tc.expected.err {
+					t.Fatalf("expected error: %v, got: %v", tc.expected.err, err)
+				}
+				if err == nil {
+					if diff := cmp.Diff(tc.expected.payload, actual); diff != "" {
+						t.Errorf("payload mismatch (-want +got):\n%s", diff)
+					}
+				}
+			},
+		)
+	}
+}

stackit/internal/services/sqlserverflexbeta/database/resource.go

@@ -3,9 +3,10 @@ package sqlserverflexbeta
 import (
 	"context"
 	_ "embed"
+	"errors"
 	"fmt"
+	"net/http"
 	"strings"
-	"time"
 
 	"github.com/hashicorp/terraform-plugin-framework/path"
 	"github.com/hashicorp/terraform-plugin-framework/resource"
@@ -13,10 +14,9 @@ import (
 	"github.com/hashicorp/terraform-plugin-framework/types"
 	"github.com/hashicorp/terraform-plugin-log/tflog"
 	"github.com/stackitcloud/stackit-sdk-go/core/config"
-	"tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/stackit/internal/conversion"
+	"github.com/stackitcloud/stackit-sdk-go/core/oapierror"
-	wait "tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/stackit/internal/wait/sqlserverflexbeta"
-
 	"tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/pkg_gen/sqlserverflexbeta"
+	"tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/stackit/internal/conversion"
 
 	"tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/stackit/internal/core"
 	"tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/stackit/internal/utils"
@@ -30,6 +30,13 @@ var (
 	_ resource.ResourceWithImportState = &databaseResource{}
 	_ resource.ResourceWithModifyPlan  = &databaseResource{}
 	_ resource.ResourceWithIdentity    = &databaseResource{}
+
+	// Define errors
+	errDatabaseNotFound = errors.New("database not found")
+
+	// Error message constants
+	extractErrorSummary = "extracting failed"
+	extractErrorMessage = "Extracting identity data: %v"
 )
 
 func NewDatabaseResource() resource.Resource {
@@ -192,18 +199,24 @@ func (r *databaseResource) Create(ctx context.Context, req resource.CreateReques
 		return
 	}
 
-	ctx = core.LogResponse(ctx)
+	if createResp == nil || createResp.Id == nil {
-	createId, ok := createResp.GetIdOk()
-	if !ok {
 		core.LogAndAddError(
 			ctx,
 			&resp.Diagnostics,
-			createErr,
+			"Error creating database",
-			fmt.Sprintf("Calling API: %v", err),
+			"API didn't return database Id. A database might have been created",
 		)
+		return
 	}
 
-	waitResp, err := wait.CreateDatabaseWaitHandler(
+	databaseId := *createResp.Id
+
+	ctx = tflog.SetField(ctx, "database_id", databaseId)
+
+	ctx = core.LogResponse(ctx)
+
+	// TODO: is this neccessary to wait for the database-> API say 200 ?
+	/*waitResp, err := wait.CreateDatabaseWaitHandler(
 		ctx,
 		r.client,
 		projectId,
@@ -263,23 +276,58 @@ func (r *databaseResource) Create(ctx context.Context, req resource.CreateReques
 			"Database creation waiting: returned name is different",
 		)
 		return
+	}*/
+
+	database, err := r.client.GetDatabaseRequest(ctx, projectId, region, instanceId, databaseName).Execute()
+	if err != nil {
+		core.LogAndAddError(
+			ctx,
+			&resp.Diagnostics,
+			"Error creating database",
+			fmt.Sprintf("Getting database details after creation: %v", err),
+		)
+		return
 	}
 
-	data.Id = types.Int64PointerValue(waitResp.Id)
+	// Map response body to schema
-	data.Name = types.StringPointerValue(waitResp.Name)
+	err = mapResourceFields(database, &data, region)
+	if err != nil {
+		core.LogAndAddError(
+			ctx,
+			&resp.Diagnostics,
+			"Error creating database",
+			fmt.Sprintf("Processing API payload: %v", err),
+		)
+		return
+	}
+
+	// Set data returned by API in identity
+	identity := DatabaseResourceIdentityModel{
+		ProjectID:    types.StringValue(projectId),
+		Region:       types.StringValue(region),
+		InstanceID:   types.StringValue(instanceId),
+		DatabaseName: types.StringValue(databaseName),
+	}
+	resp.Diagnostics.Append(resp.Identity.Set(ctx, identity)...)
+	if resp.Diagnostics.HasError() {
+		return
+	}
+
+	// Set state to fully populated data
+	resp.Diagnostics.Append(resp.State.Set(ctx, data)...)
+	if resp.Diagnostics.HasError() {
+		return
+	}
 
 	// Save data into Terraform state
-	resp.Diagnostics.Append(resp.State.Set(ctx, &data)...)
 
 	tflog.Info(ctx, "sqlserverflexbeta.Database created")
 }
 
 func (r *databaseResource) Read(ctx context.Context, req resource.ReadRequest, resp *resource.ReadResponse) {
-	var data resourceModel
+	var model resourceModel
-	readErr := "[Database Read]"
+	diags := req.State.Get(ctx, &model)
-
+	resp.Diagnostics.Append(diags...)
-	// Read Terraform prior state data into the model
-	resp.Diagnostics.Append(req.State.Get(ctx, &data)...)
 	if resp.Diagnostics.HasError() {
 		return
 	}
@@ -293,78 +341,66 @@ func (r *databaseResource) Read(ctx context.Context, req resource.ReadRequest, r
 
 	ctx = core.InitProviderContext(ctx)
 
-	projectId := identityData.ProjectID.ValueString()
+	projectId, instanceId, region, databaseName, errExt := r.extractIdentityData(model, identityData)
-	region := identityData.Region.ValueString()
+	if errExt != nil {
-	ctx = tflog.SetField(ctx, "project_id", projectId)
-	ctx = tflog.SetField(ctx, "region", region)
-
-	instanceId := identityData.InstanceID.ValueString()
-	ctx = tflog.SetField(ctx, "instance_id", instanceId)
-
-	dbName := identityData.DatabaseName.ValueString()
-	ctx = tflog.SetField(ctx, "database_name", dbName)
-
-	getResp, err := r.client.GetDatabaseRequest(ctx, projectId, region, instanceId, dbName).Execute()
-	if err != nil {
 		core.LogAndAddError(
 			ctx,
 			&resp.Diagnostics,
-			readErr,
+			extractErrorSummary,
-			fmt.Sprintf("Calling API: %v", err),
+			fmt.Sprintf(extractErrorMessage, errExt),
 		)
+	}
+
+	ctx = tflog.SetField(ctx, "project_id", projectId)
+	ctx = tflog.SetField(ctx, "instance_id", instanceId)
+	ctx = tflog.SetField(ctx, "region", region)
+	ctx = tflog.SetField(ctx, "database_name", databaseName)
+
+	databaseResp, err := r.client.GetDatabaseRequest(ctx, projectId, region, instanceId, databaseName).Execute()
+	if err != nil {
+		oapiErr, ok := err.(*oapierror.GenericOpenAPIError) //nolint:errorlint //complaining that error.As should be used to catch wrapped errors, but this error should not be wrapped
+		if (ok && oapiErr.StatusCode == http.StatusNotFound) || errors.Is(err, errDatabaseNotFound) {
+			resp.State.RemoveResource(ctx)
+			return
+		}
+		core.LogAndAddError(ctx, &resp.Diagnostics, "Error reading database", fmt.Sprintf("Calling API: %v", err))
 		return
 	}
 
 	ctx = core.LogResponse(ctx)
 
-	data.Id = types.Int64Value(getResp.GetId())
+	// Map response body to schema
-	data.Owner = types.StringValue(getResp.GetOwner())
+	err = mapResourceFields(databaseResp, &model, region)
-	data.Name = types.StringValue(getResp.GetName())
+	if err != nil {
-	data.DatabaseName = types.StringValue(getResp.GetName())
+		core.LogAndAddError(
-	data.CollationName = types.StringValue(getResp.GetCollationName())
+			ctx,
-	data.CompatibilityLevel = types.Int64Value(getResp.GetCompatibilityLevel())
+			&resp.Diagnostics,
+			"Error reading database",
+			fmt.Sprintf("Processing API payload: %v", err),
+		)
+		return
+	}
+
+	// Set refreshed state
+	diags = resp.State.Set(ctx, model)
+	resp.Diagnostics.Append(diags...)
+	if resp.Diagnostics.HasError() {
+		return
+	}
 
-	// Save updated data into Terraform state
-	resp.Diagnostics.Append(resp.State.Set(ctx, &data)...)
 	tflog.Info(ctx, "sqlserverflexbeta.Database read")
 }
 
 func (r *databaseResource) Update(ctx context.Context, req resource.UpdateRequest, resp *resource.UpdateResponse) {
-	var data resourceModel
+	// TODO: Check update api endpoint - not available at the moment, so return an error for now
-
+	core.LogAndAddError(ctx, &resp.Diagnostics, "Error updating database", "Database can't be updated")
-	// Read Terraform prior state data into the model
-	resp.Diagnostics.Append(req.State.Get(ctx, &data)...)
-	if resp.Diagnostics.HasError() {
-		return
-	}
-
-	// Read identity data
-	var identityData DatabaseResourceIdentityModel
-	resp.Diagnostics.Append(req.Identity.Get(ctx, &identityData)...)
-	if resp.Diagnostics.HasError() {
-		return
-	}
-
-	ctx = core.InitProviderContext(ctx)
-
-	projectId := identityData.ProjectID.ValueString()
-	region := identityData.Region.ValueString()
-	ctx = tflog.SetField(ctx, "project_id", projectId)
-	ctx = tflog.SetField(ctx, "region", region)
-
-	// Todo: Update API call logic
-
-	// Save updated data into Terraform state
-	resp.Diagnostics.Append(resp.State.Set(ctx, &data)...)
-
-	tflog.Info(ctx, "sqlserverflexbeta.Database updated")
 }
 
 func (r *databaseResource) Delete(ctx context.Context, req resource.DeleteRequest, resp *resource.DeleteResponse) {
-	var data resourceModel
+	// nolint:gocritic // function signature required by Terraform
-
+	var model resourceModel
-	// Read Terraform prior state data into the model
+	diags := req.State.Get(ctx, &model)
-	resp.Diagnostics.Append(req.State.Get(ctx, &data)...)
+	resp.Diagnostics.Append(diags...)
 	if resp.Diagnostics.HasError() {
 		return
 	}
@@ -378,12 +414,28 @@ func (r *databaseResource) Delete(ctx context.Context, req resource.DeleteReques
 
 	ctx = core.InitProviderContext(ctx)
 
-	projectId := identityData.ProjectID.ValueString()
+	projectId, instanceId, region, databaseName, errExt := r.extractIdentityData(model, identityData)
-	region := identityData.Region.ValueString()
+	if errExt != nil {
-	ctx = tflog.SetField(ctx, "project_id", projectId)
+		core.LogAndAddError(
-	ctx = tflog.SetField(ctx, "region", region)
+			ctx,
+			&resp.Diagnostics,
+			extractErrorSummary,
+			fmt.Sprintf(extractErrorMessage, errExt),
+		)
+	}
 
-	// Todo: Delete API call logic
+	ctx = tflog.SetField(ctx, "project_id", projectId)
+	ctx = tflog.SetField(ctx, "instance_id", instanceId)
+	ctx = tflog.SetField(ctx, "region", region)
+	ctx = tflog.SetField(ctx, "database_name", databaseName)
+
+	// Delete existing record set
+	err := r.client.DeleteDatabaseRequestExecute(ctx, projectId, region, instanceId, databaseName)
+	if err != nil {
+		core.LogAndAddError(ctx, &resp.Diagnostics, "Error deleting database", fmt.Sprintf("Calling API: %v", err))
+	}
+
+	ctx = core.LogResponse(ctx)
 
 	tflog.Info(ctx, "sqlserverflexbeta.Database deleted")
 }
@@ -504,3 +556,46 @@ func (r *databaseResource) ImportState(
 
 	tflog.Info(ctx, "Sqlserverflexbeta database state imported")
 }
+
+// extractIdentityData extracts essential identifiers from the resource model, falling back to the identity model.
+func (r *databaseResource) extractIdentityData(
+	model resourceModel,
+	identity DatabaseResourceIdentityModel,
+) (projectId, region, instanceId, databaseName string, err error) {
+	if !model.DatabaseName.IsNull() && !model.DatabaseName.IsUnknown() {
+		databaseName = model.DatabaseName.ValueString()
+	} else {
+		if identity.DatabaseName.IsNull() || identity.DatabaseName.IsUnknown() {
+			return "", "", "", "", fmt.Errorf("database_name not found in config")
+		}
+		databaseName = identity.DatabaseName.ValueString()
+	}
+
+	if !model.ProjectId.IsNull() && !model.ProjectId.IsUnknown() {
+		projectId = model.ProjectId.ValueString()
+	} else {
+		if identity.ProjectID.IsNull() || identity.ProjectID.IsUnknown() {
+			return "", "", "", "", fmt.Errorf("project_id not found in config")
+		}
+		projectId = identity.ProjectID.ValueString()
+	}
+
+	if !model.Region.IsNull() && !model.Region.IsUnknown() {
+		region = r.providerData.GetRegionWithOverride(model.Region)
+	} else {
+		if identity.Region.IsNull() || identity.Region.IsUnknown() {
+			return "", "", "", "", fmt.Errorf("region not found in config")
+		}
+		region = r.providerData.GetRegionWithOverride(identity.Region)
+	}
+
+	if !model.InstanceId.IsNull() && !model.InstanceId.IsUnknown() {
+		instanceId = model.InstanceId.ValueString()
+	} else {
+		if identity.InstanceID.IsNull() || identity.InstanceID.IsUnknown() {
+			return "", "", "", "", fmt.Errorf("instance_id not found in config")
+		}
+		instanceId = identity.InstanceID.ValueString()
+	}
+	return projectId, region, instanceId, databaseName, nil
+}

stackit/internal/services/sqlserverflexbeta/user/datasource.go

@@ -8,13 +8,12 @@ import (
 	"github.com/hashicorp/terraform-plugin-framework/datasource"
 	"github.com/hashicorp/terraform-plugin-framework/types"
 	"github.com/hashicorp/terraform-plugin-log/tflog"
+	"tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/stackit/internal/conversion"
 	"tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/stackit/internal/core"
+	sqlserverflexUtils "tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/stackit/internal/services/sqlserverflexbeta/utils"
 	"tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/stackit/internal/utils"
 
 	sqlserverflexbetaPkg "tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/pkg_gen/sqlserverflexbeta"
-
-	// sqlserverflexbetaUtils "tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/stackit/internal/services/sqlserverflexbeta/utils"
-
 	sqlserverflexbetaGen "tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/stackit/internal/services/sqlserverflexbeta/user/datasources_gen"
 )
 
@@ -29,7 +28,7 @@ func NewUserDataSource() datasource.DataSource {
 type dataSourceModel struct {
 	DefaultDatabase types.String `tfsdk:"default_database"`
 	Host            types.String `tfsdk:"host"`
-	Id              types.Int64  `tfsdk:"id"`
+	Id              types.String `tfsdk:"id"`
 	InstanceId      types.String `tfsdk:"instance_id"`
 	Port            types.Int64  `tfsdk:"port"`
 	ProjectId       types.String `tfsdk:"project_id"`
@@ -63,50 +62,52 @@ func (d *userDataSource) Configure(
 	req datasource.ConfigureRequest,
 	resp *datasource.ConfigureResponse,
 ) {
-	//var ok bool
+	var ok bool
-	//d.providerData, ok = conversion.ParseProviderData(ctx, req.ProviderData, &resp.Diagnostics)
+	d.providerData, ok = conversion.ParseProviderData(ctx, req.ProviderData, &resp.Diagnostics)
-	//if !ok {
+	if !ok {
-	//	return
+		return
-	//}
+	}
-	//
+
-	//apiClient := sqlserverflexbetaUtils.ConfigureClient(ctx, &d.providerData, &resp.Diagnostics)
+	apiClient := sqlserverflexUtils.ConfigureClient(ctx, &d.providerData, &resp.Diagnostics)
-	//if resp.Diagnostics.HasError() {
+	if resp.Diagnostics.HasError() {
-	//	return
+		return
-	//}
+	}
-	//d.client = apiClient
+	d.client = apiClient
-	tflog.Info(ctx, fmt.Sprintf("%s client configured", errorPrefix))
+	tflog.Info(ctx, "SQL SERVER Flex alpha database client configured")
 }
 
 func (d *userDataSource) Read(ctx context.Context, req datasource.ReadRequest, resp *datasource.ReadResponse) {
-	var data dataSourceModel
+	var model dataSourceModel
-
+	diags := req.Config.Get(ctx, &model)
-	// Read Terraform configuration data into the model
+	resp.Diagnostics.Append(diags...)
-	resp.Diagnostics.Append(req.Config.Get(ctx, &data)...)
-
 	if resp.Diagnostics.HasError() {
 		return
 	}
 
 	ctx = core.InitProviderContext(ctx)
 
-	projectId := data.ProjectId.ValueString()
+	projectId := model.ProjectId.ValueString()
-	region := d.providerData.GetRegionWithOverride(data.Region)
+	instanceId := model.InstanceId.ValueString()
-	instanceId := data.InstanceId.ValueString()
+	userId := model.UserId.ValueInt64()
-	userId := data.UserId.ValueInt64()
+	region := d.providerData.GetRegionWithOverride(model.Region)
-
 	ctx = tflog.SetField(ctx, "project_id", projectId)
-	ctx = tflog.SetField(ctx, "region", region)
 	ctx = tflog.SetField(ctx, "instance_id", instanceId)
 	ctx = tflog.SetField(ctx, "user_id", userId)
+	ctx = tflog.SetField(ctx, "region", region)
 
-	userResp, err := d.client.GetUserRequest(ctx, projectId, region, instanceId, userId).Execute()
+	recordSetResp, err := d.client.GetUserRequest(ctx, projectId, region, instanceId, userId).Execute()
 	if err != nil {
 		utils.LogError(
 			ctx,
 			&resp.Diagnostics,
 			err,
 			"Reading user",
-			fmt.Sprintf("user with ID %q does not exist in project %q.", userId, projectId),
+			fmt.Sprintf(
+				"User with ID %q or instance with ID %q does not exist in project %q.",
+				userId,
+				instanceId,
+				projectId,
+			),
 			map[int]string{
 				http.StatusForbidden: fmt.Sprintf("Project with ID %q not found or forbidden access", projectId),
 			},
@@ -117,22 +118,23 @@ func (d *userDataSource) Read(ctx context.Context, req datasource.ReadRequest, r
 
 	ctx = core.LogResponse(ctx)
 
-	// Todo: Read API call logic
+	// Map response body to schema and populate Computed attribute values
-
+	err = mapDataSourceFields(recordSetResp, &model, region)
-	// Example data value setting
-	// data.Id = types.StringValue("example-id")
-
-	err = mapResponseToModel(ctx, userResp, &data, resp.Diagnostics)
 	if err != nil {
 		core.LogAndAddError(
 			ctx,
 			&resp.Diagnostics,
-			fmt.Sprintf("%s Read", errorPrefix),
+			"Error reading user",
 			fmt.Sprintf("Processing API payload: %v", err),
 		)
 		return
 	}
 
-	// Save data into Terraform state
+	// Set refreshed state
-	resp.Diagnostics.Append(resp.State.Set(ctx, &data)...)
+	diags = resp.State.Set(ctx, model)
+	resp.Diagnostics.Append(diags...)
+	if resp.Diagnostics.HasError() {
+		return
+	}
+	tflog.Info(ctx, "SQLServer Flex beta instance read")
 }

stackit/internal/services/sqlserverflexbeta/user/functions.go

@@ -1,98 +0,0 @@
-package sqlserverflexbeta
-
-import (
-	"context"
-	"fmt"
-
-	"github.com/hashicorp/terraform-plugin-framework/diag"
-	"github.com/hashicorp/terraform-plugin-framework/types"
-
-	"tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/pkg_gen/sqlserverflexbeta"
-)
-
-func mapResponseToModel(
-	ctx context.Context,
-	resp *sqlserverflexbeta.GetUserResponse,
-	m *dataSourceModel,
-	tfDiags diag.Diagnostics,
-) error {
-	if resp == nil {
-		return fmt.Errorf("response is nil")
-	}
-
-	m.Id = types.Int64Value(resp.GetId())
-	m.UserId = types.Int64Value(resp.GetId())
-	m.Username = types.StringValue(resp.GetUsername())
-	m.Port = types.Int64Value(resp.GetPort())
-	m.Host = types.StringValue(resp.GetHost())
-	m.DefaultDatabase = types.StringValue(resp.GetDefaultDatabase())
-	m.Status = types.StringValue(resp.GetStatus())
-
-	if resp.Roles != nil {
-		roles, diags := types.ListValueFrom(ctx, types.StringType, *resp.Roles)
-		tfDiags.Append(diags...)
-		if tfDiags.HasError() {
-			return fmt.Errorf("failed to map roles")
-		}
-		m.Roles = roles
-	} else {
-		m.Roles = types.ListNull(types.StringType)
-	}
-
-	if resp.Status != nil {
-		m.Status = types.StringValue(*resp.Status)
-	} else {
-		m.Status = types.StringNull()
-	}
-
-	// TODO: complete and refactor
-
-	/*
-		sampleList, diags := types.ListValueFrom(ctx, types.StringType, resp.GetList())
-		tfDiags.Append(diags...)
-		if diags.HasError() {
-			return fmt.Errorf(
-				"error converting list response value",
-			)
-		}
-		sample, diags := sqlserverflexbetaResGen.NewSampleValue(
-			sqlserverflexbetaResGen.SampleValue{}.AttributeTypes(ctx),
-			map[string]attr.Value{
-				"field":     types.StringValue(string(resp.GetField())),
-			},
-		)
-		tfDiags.Append(diags...)
-		if diags.HasError() {
-			return fmt.Errorf(
-				"error converting sample response value",
-				"sample",
-				types.StringValue(string(resp.GetField())),
-			)
-		}
-		m.Sample = sample
-	*/
-	return nil
-}
-
-//func toCreatePayload(
-//	ctx context.Context,
-//	model *resourceModel,
-//) (*sqlserverflexbeta.CreateUserRequestPayload, error) {
-//	if model == nil {
-//		return nil, fmt.Errorf("nil model")
-//	}
-//
-//	var roles []sqlserverflexbeta.UserRole
-//	if !model.Roles.IsNull() && !model.Roles.IsUnknown() {
-//		diags := model.Roles.ElementsAs(ctx, &roles, false)
-//		if diags.HasError() {
-//			return nil, fmt.Errorf("failed to convert roles: %v", diags)
-//		}
-//	}
-//
-//	return &sqlserverflexbeta.CreateUserRequestPayload{
-//		DefaultDatabase: model.DefaultDatabase.ValueStringPointer(),
-//		Username:        model.Username.ValueStringPointer(),
-//		Roles:           &roles,
-//	}, nil
-//}

stackit/internal/services/sqlserverflexbeta/user/mapper.go

@@ -0,0 +1,179 @@
+package sqlserverflexbeta
+
+import (
+	"fmt"
+	"strconv"
+
+	"github.com/hashicorp/terraform-plugin-framework/attr"
+	"github.com/hashicorp/terraform-plugin-framework/types"
+	"tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/pkg_gen/sqlserverflexbeta"
+	"tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/stackit/internal/conversion"
+	"tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/stackit/internal/core"
+	"tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/stackit/internal/utils"
+)
+
+// mapDataSourceFields maps the API response to a dataSourceModel.
+func mapDataSourceFields(userResp *sqlserverflexbeta.GetUserResponse, model *dataSourceModel, region string) error {
+	if userResp == nil {
+		return fmt.Errorf("response is nil")
+	}
+	if model == nil {
+		return fmt.Errorf("model input is nil")
+	}
+	user := userResp
+
+	// Handle user ID
+	var userId int64
+	if model.UserId.ValueInt64() != 0 {
+		userId = model.UserId.ValueInt64()
+	} else if user.Id != nil {
+		userId = *user.Id
+	} else {
+		return fmt.Errorf("user id not present")
+	}
+
+	// Set main attributes
+	model.Id = utils.BuildInternalTerraformId(
+		model.ProjectId.ValueString(), region, model.InstanceId.ValueString(), strconv.FormatInt(userId, 10),
+	)
+	model.UserId = types.Int64Value(userId)
+	model.Username = types.StringPointerValue(user.Username)
+
+	// Map roles
+	if user.Roles == nil {
+		model.Roles = types.List(types.SetNull(types.StringType))
+	} else {
+		var roles []attr.Value
+		for _, role := range *user.Roles {
+			roles = append(roles, types.StringValue(string(role)))
+		}
+		rolesSet, diags := types.SetValue(types.StringType, roles)
+		if diags.HasError() {
+			return fmt.Errorf("failed to map roles: %w", core.DiagsToError(diags))
+		}
+		model.Roles = types.List(rolesSet)
+	}
+
+	// Set remaining attributes
+	model.Host = types.StringPointerValue(user.Host)
+	model.Port = types.Int64PointerValue(user.Port)
+	model.Region = types.StringValue(region)
+	model.Status = types.StringPointerValue(user.Status)
+	model.DefaultDatabase = types.StringPointerValue(user.DefaultDatabase)
+
+	return nil
+}
+
+// mapFields maps the API response to a resourceModel.
+func mapFields(userResp *sqlserverflexbeta.GetUserResponse, model *resourceModel, region string) error {
+	if userResp == nil {
+		return fmt.Errorf("response is nil")
+	}
+	if model == nil {
+		return fmt.Errorf("model input is nil")
+	}
+	user := userResp
+
+	// Handle user ID
+	var userId int64
+	if model.UserId.ValueInt64() != 0 {
+		userId = model.UserId.ValueInt64()
+	} else if user.Id != nil {
+		userId = *user.Id
+	} else {
+		return fmt.Errorf("user id not present")
+	}
+
+	// Set main attributes
+	model.Id = types.Int64Value(userId)
+	model.UserId = types.Int64Value(userId)
+	model.Username = types.StringPointerValue(user.Username)
+
+	// Map roles
+	if user.Roles != nil {
+		var roles []attr.Value
+		for _, role := range *user.Roles {
+			roles = append(roles, types.StringValue(string(role)))
+		}
+		rolesSet, diags := types.SetValue(types.StringType, roles)
+		if diags.HasError() {
+			return fmt.Errorf("failed to map roles: %w", core.DiagsToError(diags))
+		}
+		model.Roles = types.List(rolesSet)
+	}
+
+	// Ensure roles is not null
+	if model.Roles.IsNull() || model.Roles.IsUnknown() {
+		model.Roles = types.List(types.SetNull(types.StringType))
+	}
+
+	// Set connection details
+	model.Host = types.StringPointerValue(user.Host)
+	model.Port = types.Int64PointerValue(user.Port)
+	model.Region = types.StringValue(region)
+	return nil
+}
+
+// mapFieldsCreate maps the API response from creating a user to a resourceModel.
+func mapFieldsCreate(userResp *sqlserverflexbeta.CreateUserResponse, model *resourceModel, region string) error {
+	if userResp == nil {
+		return fmt.Errorf("response is nil")
+	}
+	if model == nil {
+		return fmt.Errorf("model input is nil")
+	}
+	user := userResp
+
+	if user.Id == nil {
+		return fmt.Errorf("user id not present")
+	}
+	userId := *user.Id
+	model.Id = types.Int64Value(userId)
+	model.UserId = types.Int64Value(userId)
+	model.Username = types.StringPointerValue(user.Username)
+
+	if user.Password == nil {
+		return fmt.Errorf("user password not present")
+	}
+	model.Password = types.StringValue(*user.Password)
+
+	if user.Roles != nil {
+		var roles []attr.Value
+		for _, role := range *user.Roles {
+			roles = append(roles, types.StringValue(string(role)))
+		}
+		rolesSet, diags := types.SetValue(types.StringType, roles)
+		if diags.HasError() {
+			return fmt.Errorf("failed to map roles: %w", core.DiagsToError(diags))
+		}
+		model.Roles = types.List(rolesSet)
+	}
+
+	if model.Roles.IsNull() || model.Roles.IsUnknown() {
+		model.Roles = types.List(types.SetNull(types.StringType))
+	}
+
+	model.Host = types.StringPointerValue(user.Host)
+	model.Port = types.Int64PointerValue(user.Port)
+	model.Region = types.StringValue(region)
+	model.Status = types.StringPointerValue(user.Status)
+	model.DefaultDatabase = types.StringPointerValue(user.DefaultDatabase)
+
+	return nil
+}
+
+// toCreatePayload converts a resourceModel to an API CreateUserRequestPayload.
+func toCreatePayload(
+	model *resourceModel,
+	roles []sqlserverflexbeta.UserRole,
+) (*sqlserverflexbeta.CreateUserRequestPayload, error) {
+	if model == nil {
+		return nil, fmt.Errorf("nil model")
+	}
+
+	return &sqlserverflexbeta.CreateUserRequestPayload{
+		Username:        conversion.StringValueToPointer(model.Username),
+		DefaultDatabase: conversion.StringValueToPointer(model.DefaultDatabase),
+		Roles:           &roles,
+	}, nil
+}

stackit/internal/services/sqlserverflexbeta/user/mapper_test.go

@@ -0,0 +1,527 @@
+package sqlserverflexbeta
+
+import (
+	"testing"
+
+	"github.com/google/go-cmp/cmp"
+	"github.com/hashicorp/terraform-plugin-framework/attr"
+	"github.com/hashicorp/terraform-plugin-framework/types"
+	"github.com/stackitcloud/stackit-sdk-go/core/utils"
+	"tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/pkg_gen/sqlserverflexbeta"
+)
+
+func TestMapDataSourceFields(t *testing.T) {
+	const testRegion = "region"
+	tests := []struct {
+		description string
+		input       *sqlserverflexbeta.GetUserResponse
+		region      string
+		expected    dataSourceModel
+		isValid     bool
+	}{
+		{
+			"default_values",
+			&sqlserverflexbeta.GetUserResponse{},
+			testRegion,
+			dataSourceModel{
+				Id:              types.StringValue("pid,region,iid,1"),
+				UserId:          types.Int64Value(1),
+				InstanceId:      types.StringValue("iid"),
+				ProjectId:       types.StringValue("pid"),
+				Username:        types.StringNull(),
+				Roles:           types.List(types.SetNull(types.StringType)),
+				Host:            types.StringNull(),
+				Port:            types.Int64Null(),
+				Region:          types.StringValue(testRegion),
+				Status:          types.StringNull(),
+				DefaultDatabase: types.StringNull(),
+			},
+			true,
+		},
+		{
+			"simple_values",
+			&sqlserverflexbeta.GetUserResponse{
+
+				Roles: &[]sqlserverflexbeta.UserRole{
+					"role_1",
+					"role_2",
+					"",
+				},
+				Username:        utils.Ptr("username"),
+				Host:            utils.Ptr("host"),
+				Port:            utils.Ptr(int64(1234)),
+				Status:          utils.Ptr("active"),
+				DefaultDatabase: utils.Ptr("default_db"),
+			},
+			testRegion,
+			dataSourceModel{
+				Id:         types.StringValue("pid,region,iid,1"),
+				UserId:     types.Int64Value(1),
+				InstanceId: types.StringValue("iid"),
+				ProjectId:  types.StringValue("pid"),
+				Username:   types.StringValue("username"),
+				Roles: types.List(
+					types.SetValueMust(
+						types.StringType, []attr.Value{
+							types.StringValue("role_1"),
+							types.StringValue("role_2"),
+							types.StringValue(""),
+						},
+					),
+				),
+				Host:            types.StringValue("host"),
+				Port:            types.Int64Value(1234),
+				Region:          types.StringValue(testRegion),
+				Status:          types.StringValue("active"),
+				DefaultDatabase: types.StringValue("default_db"),
+			},
+			true,
+		},
+		{
+			"null_fields_and_int_conversions",
+			&sqlserverflexbeta.GetUserResponse{
+				Id:       utils.Ptr(int64(1)),
+				Roles:    &[]sqlserverflexbeta.UserRole{},
+				Username: nil,
+				Host:     nil,
+				Port:     utils.Ptr(int64(2123456789)),
+			},
+			testRegion,
+			dataSourceModel{
+				Id:         types.StringValue("pid,region,iid,1"),
+				UserId:     types.Int64Value(1),
+				InstanceId: types.StringValue("iid"),
+				ProjectId:  types.StringValue("pid"),
+				Username:   types.StringNull(),
+				Roles:      types.List(types.SetValueMust(types.StringType, []attr.Value{})),
+				Host:       types.StringNull(),
+				Port:       types.Int64Value(2123456789),
+				Region:     types.StringValue(testRegion),
+			},
+			true,
+		},
+		{
+			"nil_response",
+			nil,
+			testRegion,
+			dataSourceModel{},
+			false,
+		},
+		{
+			"nil_response_2",
+			&sqlserverflexbeta.GetUserResponse{},
+			testRegion,
+			dataSourceModel{},
+			false,
+		},
+		{
+			"no_resource_id",
+			&sqlserverflexbeta.GetUserResponse{},
+			testRegion,
+			dataSourceModel{},
+			false,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(
+			tt.description, func(t *testing.T) {
+				state := &dataSourceModel{
+					ProjectId:  tt.expected.ProjectId,
+					InstanceId: tt.expected.InstanceId,
+					UserId:     tt.expected.UserId,
+				}
+				err := mapDataSourceFields(tt.input, state, tt.region)
+				if !tt.isValid && err == nil {
+					t.Fatalf("Should have failed")
+				}
+				if tt.isValid && err != nil {
+					t.Fatalf("Should not have failed: %v", err)
+				}
+				if tt.isValid {
+					diff := cmp.Diff(state, &tt.expected)
+					if diff != "" {
+						t.Fatalf("Data does not match: %s", diff)
+					}
+				}
+			},
+		)
+	}
+}
+
+func TestMapFieldsCreate(t *testing.T) {
+	const testRegion = "region"
+	tests := []struct {
+		description string
+		input       *sqlserverflexbeta.CreateUserResponse
+		region      string
+		expected    resourceModel
+		isValid     bool
+	}{
+		{
+			"default_values",
+			&sqlserverflexbeta.CreateUserResponse{
+				Id:       utils.Ptr(int64(1)),
+				Password: utils.Ptr(""),
+			},
+			testRegion,
+			resourceModel{
+				Id:         types.Int64Value(1),
+				UserId:     types.Int64Value(1),
+				InstanceId: types.StringValue("iid"),
+				ProjectId:  types.StringValue("pid"),
+				Username:   types.StringNull(),
+				Roles:      types.List(types.SetNull(types.StringType)),
+				Password:   types.StringValue(""),
+				Host:       types.StringNull(),
+				Port:       types.Int64Null(),
+				Region:     types.StringValue(testRegion),
+			},
+			true,
+		},
+		{
+			"simple_values",
+			&sqlserverflexbeta.CreateUserResponse{
+				Id: utils.Ptr(int64(2)),
+				Roles: &[]sqlserverflexbeta.UserRole{
+					"role_1",
+					"role_2",
+					"",
+				},
+				Username:        utils.Ptr("username"),
+				Password:        utils.Ptr("password"),
+				Host:            utils.Ptr("host"),
+				Port:            utils.Ptr(int64(1234)),
+				Status:          utils.Ptr("status"),
+				DefaultDatabase: utils.Ptr("default_db"),
+			},
+			testRegion,
+			resourceModel{
+				Id:         types.Int64Value(2),
+				UserId:     types.Int64Value(2),
+				InstanceId: types.StringValue("iid"),
+				ProjectId:  types.StringValue("pid"),
+				Username:   types.StringValue("username"),
+				Roles: types.List(
+					types.SetValueMust(
+						types.StringType, []attr.Value{
+							types.StringValue("role_1"),
+							types.StringValue("role_2"),
+							types.StringValue(""),
+						},
+					),
+				),
+				Password:        types.StringValue("password"),
+				Host:            types.StringValue("host"),
+				Port:            types.Int64Value(1234),
+				Region:          types.StringValue(testRegion),
+				Status:          types.StringValue("status"),
+				DefaultDatabase: types.StringValue("default_db"),
+			},
+			true,
+		},
+		{
+			"null_fields_and_int_conversions",
+			&sqlserverflexbeta.CreateUserResponse{
+				Id:       utils.Ptr(int64(3)),
+				Roles:    &[]sqlserverflexbeta.UserRole{},
+				Username: nil,
+				Password: utils.Ptr(""),
+				Host:     nil,
+				Port:     utils.Ptr(int64(2123456789)),
+			},
+			testRegion,
+			resourceModel{
+				Id:              types.Int64Value(3),
+				UserId:          types.Int64Value(3),
+				InstanceId:      types.StringValue("iid"),
+				ProjectId:       types.StringValue("pid"),
+				Username:        types.StringNull(),
+				Roles:           types.List(types.SetValueMust(types.StringType, []attr.Value{})),
+				Password:        types.StringValue(""),
+				Host:            types.StringNull(),
+				Port:            types.Int64Value(2123456789),
+				Region:          types.StringValue(testRegion),
+				DefaultDatabase: types.StringNull(),
+				Status:          types.StringNull(),
+			},
+			true,
+		},
+		{
+			"nil_response",
+			nil,
+			testRegion,
+			resourceModel{},
+			false,
+		},
+		{
+			"nil_response_2",
+			&sqlserverflexbeta.CreateUserResponse{},
+			testRegion,
+			resourceModel{},
+			false,
+		},
+		{
+			"no_resource_id",
+			&sqlserverflexbeta.CreateUserResponse{},
+			testRegion,
+			resourceModel{},
+			false,
+		},
+		{
+			"no_password",
+			&sqlserverflexbeta.CreateUserResponse{
+				Id: utils.Ptr(int64(1)),
+			},
+			testRegion,
+			resourceModel{},
+			false,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(
+			tt.description, func(t *testing.T) {
+				state := &resourceModel{
+					ProjectId:  tt.expected.ProjectId,
+					InstanceId: tt.expected.InstanceId,
+				}
+				err := mapFieldsCreate(tt.input, state, tt.region)
+				if !tt.isValid && err == nil {
+					t.Fatalf("Should have failed")
+				}
+				if tt.isValid && err != nil {
+					t.Fatalf("Should not have failed: %v", err)
+				}
+				if tt.isValid {
+					diff := cmp.Diff(state, &tt.expected)
+					if diff != "" {
+						t.Fatalf("Data does not match: %s", diff)
+					}
+				}
+			},
+		)
+	}
+}
+
+func TestMapFields(t *testing.T) {
+	const testRegion = "region"
+	tests := []struct {
+		description string
+		input       *sqlserverflexbeta.GetUserResponse
+		region      string
+		expected    resourceModel
+		isValid     bool
+	}{
+		{
+			"default_values",
+			&sqlserverflexbeta.GetUserResponse{},
+			testRegion,
+			resourceModel{
+				Id:         types.Int64Value(1),
+				UserId:     types.Int64Value(1),
+				InstanceId: types.StringValue("iid"),
+				ProjectId:  types.StringValue("pid"),
+				Username:   types.StringNull(),
+				Roles:      types.List(types.SetNull(types.StringType)),
+				Host:       types.StringNull(),
+				Port:       types.Int64Null(),
+				Region:     types.StringValue(testRegion),
+			},
+			true,
+		},
+		{
+			"simple_values",
+			&sqlserverflexbeta.GetUserResponse{
+				Roles: &[]sqlserverflexbeta.UserRole{
+					"role_1",
+					"role_2",
+					"",
+				},
+				Username: utils.Ptr("username"),
+				Host:     utils.Ptr("host"),
+				Port:     utils.Ptr(int64(1234)),
+			},
+			testRegion,
+			resourceModel{
+				Id:         types.Int64Value(2),
+				UserId:     types.Int64Value(2),
+				InstanceId: types.StringValue("iid"),
+				ProjectId:  types.StringValue("pid"),
+				Username:   types.StringValue("username"),
+				Roles: types.List(
+					types.SetValueMust(
+						types.StringType, []attr.Value{
+							types.StringValue("role_1"),
+							types.StringValue("role_2"),
+							types.StringValue(""),
+						},
+					),
+				),
+				Host:   types.StringValue("host"),
+				Port:   types.Int64Value(1234),
+				Region: types.StringValue(testRegion),
+			},
+			true,
+		},
+		{
+			"null_fields_and_int_conversions",
+			&sqlserverflexbeta.GetUserResponse{
+				Id:       utils.Ptr(int64(1)),
+				Roles:    &[]sqlserverflexbeta.UserRole{},
+				Username: nil,
+				Host:     nil,
+				Port:     utils.Ptr(int64(2123456789)),
+			},
+			testRegion,
+			resourceModel{
+				Id:         types.Int64Value(1),
+				UserId:     types.Int64Value(1),
+				InstanceId: types.StringValue("iid"),
+				ProjectId:  types.StringValue("pid"),
+				Username:   types.StringNull(),
+				Roles:      types.List(types.SetValueMust(types.StringType, []attr.Value{})),
+				Host:       types.StringNull(),
+				Port:       types.Int64Value(2123456789),
+				Region:     types.StringValue(testRegion),
+			},
+			true,
+		},
+		{
+			"nil_response",
+			nil,
+			testRegion,
+			resourceModel{},
+			false,
+		},
+		{
+			"nil_response_2",
+			&sqlserverflexbeta.GetUserResponse{},
+			testRegion,
+			resourceModel{},
+			false,
+		},
+		{
+			"no_resource_id",
+			&sqlserverflexbeta.GetUserResponse{},
+			testRegion,
+			resourceModel{},
+			false,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(
+			tt.description, func(t *testing.T) {
+				state := &resourceModel{
+					ProjectId:  tt.expected.ProjectId,
+					InstanceId: tt.expected.InstanceId,
+					UserId:     tt.expected.UserId,
+				}
+				err := mapFields(tt.input, state, tt.region)
+				if !tt.isValid && err == nil {
+					t.Fatalf("Should have failed")
+				}
+				if tt.isValid && err != nil {
+					t.Fatalf("Should not have failed: %v", err)
+				}
+				if tt.isValid {
+					diff := cmp.Diff(state, &tt.expected)
+					if diff != "" {
+						t.Fatalf("Data does not match: %s", diff)
+					}
+				}
+			},
+		)
+	}
+}
+
+func TestToCreatePayload(t *testing.T) {
+	tests := []struct {
+		description string
+		input       *resourceModel
+		inputRoles  []sqlserverflexbeta.UserRole
+		expected    *sqlserverflexbeta.CreateUserRequestPayload
+		isValid     bool
+	}{
+		{
+			"default_values",
+			&resourceModel{},
+			[]sqlserverflexbeta.UserRole{},
+			&sqlserverflexbeta.CreateUserRequestPayload{
+				Roles:    &[]sqlserverflexbeta.UserRole{},
+				Username: nil,
+			},
+			true,
+		},
+		{
+			"default_values",
+			&resourceModel{
+				Username: types.StringValue("username"),
+			},
+			[]sqlserverflexbeta.UserRole{
+				"role_1",
+				"role_2",
+			},
+			&sqlserverflexbeta.CreateUserRequestPayload{
+				Roles: &[]sqlserverflexbeta.UserRole{
+					"role_1",
+					"role_2",
+				},
+				Username: utils.Ptr("username"),
+			},
+			true,
+		},
+		{
+			"null_fields_and_int_conversions",
+			&resourceModel{
+				Username: types.StringNull(),
+			},
+			[]sqlserverflexbeta.UserRole{
+				"",
+			},
+			&sqlserverflexbeta.CreateUserRequestPayload{
+				Roles: &[]sqlserverflexbeta.UserRole{
+					"",
+				},
+				Username: nil,
+			},
+			true,
+		},
+		{
+			"nil_model",
+			nil,
+			[]sqlserverflexbeta.UserRole{},
+			nil,
+			false,
+		},
+		{
+			"nil_roles",
+			&resourceModel{
+				Username: types.StringValue("username"),
+			},
+			[]sqlserverflexbeta.UserRole{},
+			&sqlserverflexbeta.CreateUserRequestPayload{
+				Roles:    &[]sqlserverflexbeta.UserRole{},
+				Username: utils.Ptr("username"),
+			},
+			true,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(
+			tt.description, func(t *testing.T) {
+				output, err := toCreatePayload(tt.input, tt.inputRoles)
+				if !tt.isValid && err == nil {
+					t.Fatalf("Should have failed")
+				}
+				if tt.isValid && err != nil {
+					t.Fatalf("Should not have failed: %v", err)
+				}
+				if tt.isValid {
+					diff := cmp.Diff(output, tt.expected)
+					if diff != "" {
+						t.Fatalf("Data does not match: %s", diff)
+					}
+				}
+			},
+		)
+	}
+}

stackit/internal/services/sqlserverflexbeta/user/resource.go

@@ -3,7 +3,9 @@ package sqlserverflexbeta
 import (
 	"context"
 	_ "embed"
+	"errors"
 	"fmt"
+	"net/http"
 	"strconv"
 	"strings"
 
@@ -12,9 +14,12 @@ import (
 	"github.com/hashicorp/terraform-plugin-framework/resource/identityschema"
 	"github.com/hashicorp/terraform-plugin-framework/types"
 	"github.com/hashicorp/terraform-plugin-log/tflog"
-	"github.com/stackitcloud/stackit-sdk-go/core/config"
+	"github.com/stackitcloud/stackit-sdk-go/core/oapierror"
 	"tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/pkg_gen/sqlserverflexbeta"
 	"tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/stackit/internal/conversion"
+	sqlserverflexbetagen "tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/stackit/internal/services/sqlserverflexbeta/user/resources_gen"
+	sqlserverflexbetaUtils "tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/stackit/internal/services/sqlserverflexbeta/utils"
+	sqlserverflexbetaWait "tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/stackit/internal/wait/sqlserverflexbeta"
 
 	"tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/stackit/internal/core"
 	"tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/stackit/internal/utils"
@@ -54,319 +59,20 @@ func (r *userResource) Metadata(ctx context.Context, req resource.MetadataReques
 	resp.TypeName = req.ProviderTypeName + "_sqlserverflexbeta_user"
 }
 
-//go:embed planModifiers.yaml
-var modifiersFileByte []byte
-
-func (r *userResource) Schema(ctx context.Context, _ resource.SchemaRequest, resp *resource.SchemaResponse) {
-
-	s := sqlserverflexbetaResGen.UserResourceSchema(ctx)
-
-	fields, err := utils.ReadModifiersConfig(modifiersFileByte)
-	if err != nil {
-		resp.Diagnostics.AddError("error during read modifiers config file", err.Error())
-		return
-	}
-
-	err = utils.AddPlanModifiersToResourceSchema(fields, &s)
-	if err != nil {
-		resp.Diagnostics.AddError("error adding plan modifiers", err.Error())
-		return
-	}
-	resp.Schema = s
-}
-
-func (r *userResource) IdentitySchema(
-	_ context.Context,
-	_ resource.IdentitySchemaRequest,
-	resp *resource.IdentitySchemaResponse,
-) {
-	resp.IdentitySchema = identityschema.Schema{
-		Attributes: map[string]identityschema.Attribute{
-			"project_id": identityschema.StringAttribute{
-				RequiredForImport: true, // must be set during import by the practitioner
-			},
-			"region": identityschema.StringAttribute{
-				RequiredForImport: true, // can be defaulted by the provider configuration
-			},
-			"instance_id": identityschema.StringAttribute{
-				RequiredForImport: true, // can be defaulted by the provider configuration
-			},
-		},
-	}
-}
-
 // Configure adds the provider configured client to the resource.
-func (r *userResource) Configure(
+func (r *userResource) Configure(ctx context.Context, req resource.ConfigureRequest, resp *resource.ConfigureResponse) {
-	ctx context.Context,
-	req resource.ConfigureRequest,
-	resp *resource.ConfigureResponse,
-) {
 	var ok bool
 	r.providerData, ok = conversion.ParseProviderData(ctx, req.ProviderData, &resp.Diagnostics)
 	if !ok {
 		return
 	}
 
-	apiClientConfigOptions := []config.ConfigurationOption{
+	apiClient := sqlserverflexbetaUtils.ConfigureClient(ctx, &r.providerData, &resp.Diagnostics)
-		config.WithCustomAuth(r.providerData.RoundTripper),
+	if resp.Diagnostics.HasError() {
-		utils.UserAgentConfigOption(r.providerData.Version),
-	}
-	if r.providerData.SQLServerFlexCustomEndpoint != "" {
-		apiClientConfigOptions = append(
-			apiClientConfigOptions,
-			config.WithEndpoint(r.providerData.SQLServerFlexCustomEndpoint),
-		)
-	} else {
-		apiClientConfigOptions = append(apiClientConfigOptions, config.WithRegion(r.providerData.GetRegion()))
-	}
-	apiClient, err := sqlserverflexbeta.NewAPIClient(apiClientConfigOptions...)
-	if err != nil {
-		resp.Diagnostics.AddError(
-			"Error configuring API client",
-			fmt.Sprintf(
-				"Configuring client: %v. This is an error related to the provider configuration, not to the resource configuration",
-				err,
-			),
-		)
 		return
 	}
 	r.client = apiClient
-	tflog.Info(ctx, "sqlserverflexbeta.User client configured")
+	tflog.Info(ctx, "SQLServer Beta Flex user client configured")
-}
-
-func (r *userResource) Create(ctx context.Context, req resource.CreateRequest, resp *resource.CreateResponse) {
-	var data resourceModel
-
-	// Read Terraform plan data into the model
-	resp.Diagnostics.Append(req.Plan.Get(ctx, &data)...)
-
-	if resp.Diagnostics.HasError() {
-		return
-	}
-
-	// Read identity data
-	var identityData UserResourceIdentityModel
-	resp.Diagnostics.Append(req.Identity.Get(ctx, &identityData)...)
-	if resp.Diagnostics.HasError() {
-		return
-	}
-
-	ctx = core.InitProviderContext(ctx)
-
-	projectId := identityData.ProjectID.ValueString()
-	region := identityData.Region.ValueString()
-	ctx = tflog.SetField(ctx, "project_id", projectId)
-	ctx = tflog.SetField(ctx, "region", region)
-
-	//payload, err := toCreatePayload(ctx, &data)
-	//if err != nil {
-	//	core.LogAndAddError(
-	//		ctx,
-	//		&resp.Diagnostics,
-	//		"Error creating User",
-	//		fmt.Sprintf("Creating API payload: %v", err),
-	//	)
-	//	return
-	//}
-	//payload = payload
-
-	// TODO: Create API call logic
-	/*
-				// Generate API request body from model
-		    	payload, err := toCreatePayload(ctx, &model)
-		    	if err != nil {
-		    		core.LogAndAddError(
-		    			ctx,
-		    			&resp.Diagnostics,
-		    			"Error creating User",
-		    			fmt.Sprintf("Creating API payload: %v", err),
-		    		)
-		    		return
-		    	}
-		    	// Create new User
-		    	createResp, err := r.client.CreateUserRequest(
-		    		ctx,
-		    		projectId,
-		    		region,
-		    	).CreateUserRequestPayload(*payload).Execute()
-		    	if err != nil {
-		    		core.LogAndAddError(ctx, &resp.Diagnostics, "Error creating User", fmt.Sprintf("Calling API: %v", err))
-		    		return
-		    	}
-
-		    	ctx = core.LogResponse(ctx)
-
-		    	UserId := *createResp.Id
-	*/
-
-	// Example data value setting
-	//data.UserId = types.StringValue("id-from-response")
-
-	// TODO: Set data returned by API in identity
-	identity := UserResourceIdentityModel{
-		ProjectID: types.StringValue(projectId),
-		Region:    types.StringValue(region),
-		// TODO: add missing values
-		//	UserID: types.StringValue(UserId),
-	}
-	resp.Diagnostics.Append(resp.Identity.Set(ctx, identity)...)
-	if resp.Diagnostics.HasError() {
-		return
-	}
-
-	// TODO: implement wait handler if needed
-	/*
-
-				waitResp, err := wait.CreateUserWaitHandler(
-		    		ctx,
-		    		r.client,
-		    		projectId,
-		    		UserId,
-		    		region,
-		    	).SetSleepBeforeWait(
-		    		30 * time.Second,
-		    	).SetTimeout(
-		    		90 * time.Minute,
-		    	).WaitWithContext(ctx)
-		    	if err != nil {
-		    		core.LogAndAddError(
-		    			ctx,
-		    			&resp.Diagnostics,
-		    			"Error creating User",
-		    			fmt.Sprintf("User creation waiting: %v", err),
-		    		)
-		    		return
-		    	}
-
-		    	if waitResp.Id == nil {
-		    		core.LogAndAddError(
-		    			ctx,
-		    			&resp.Diagnostics,
-		    			"Error creating User",
-		    			"User creation waiting: returned id is nil",
-		    		)
-		    		return
-		    	}
-
-		    	// Map response body to schema
-		    	err = mapResponseToModel(ctx, waitResp, &model, resp.Diagnostics)
-		    	if err != nil {
-		    		core.LogAndAddError(
-		    			ctx,
-		    			&resp.Diagnostics,
-		    			"Error creating User",
-		    			fmt.Sprintf("Processing API payload: %v", err),
-		    		)
-		    		return
-		    	}
-
-	*/
-
-	// Save data into Terraform state
-	resp.Diagnostics.Append(resp.State.Set(ctx, &data)...)
-
-	tflog.Info(ctx, "sqlserverflexbeta.User created")
-}
-
-func (r *userResource) Read(ctx context.Context, req resource.ReadRequest, resp *resource.ReadResponse) {
-	var data resourceModel
-
-	// Read Terraform prior state data into the model
-	resp.Diagnostics.Append(req.State.Get(ctx, &data)...)
-	if resp.Diagnostics.HasError() {
-		return
-	}
-
-	// Read identity data
-	var identityData UserResourceIdentityModel
-	resp.Diagnostics.Append(req.Identity.Get(ctx, &identityData)...)
-	if resp.Diagnostics.HasError() {
-		return
-	}
-
-	ctx = core.InitProviderContext(ctx)
-
-	projectId := identityData.ProjectID.ValueString()
-	region := identityData.Region.ValueString()
-	ctx = tflog.SetField(ctx, "project_id", projectId)
-	ctx = tflog.SetField(ctx, "region", region)
-
-	// Todo: Read API call logic
-
-	// Save updated data into Terraform state
-	resp.Diagnostics.Append(resp.State.Set(ctx, &data)...)
-
-	// TODO: Set data returned by API in identity
-	identity := UserResourceIdentityModel{
-		ProjectID: types.StringValue(projectId),
-		Region:    types.StringValue(region),
-		// InstanceID: types.StringValue(instanceId),
-	}
-	resp.Diagnostics.Append(resp.Identity.Set(ctx, identity)...)
-	if resp.Diagnostics.HasError() {
-		return
-	}
-
-	tflog.Info(ctx, "sqlserverflexbeta.User read")
-}
-
-func (r *userResource) Update(ctx context.Context, req resource.UpdateRequest, resp *resource.UpdateResponse) {
-	var data resourceModel
-
-	// Read Terraform prior state data into the model
-	resp.Diagnostics.Append(req.State.Get(ctx, &data)...)
-	if resp.Diagnostics.HasError() {
-		return
-	}
-
-	// Read identity data
-	var identityData UserResourceIdentityModel
-	resp.Diagnostics.Append(req.Identity.Get(ctx, &identityData)...)
-	if resp.Diagnostics.HasError() {
-		return
-	}
-
-	ctx = core.InitProviderContext(ctx)
-
-	projectId := identityData.ProjectID.ValueString()
-	region := identityData.Region.ValueString()
-	ctx = tflog.SetField(ctx, "project_id", projectId)
-	ctx = tflog.SetField(ctx, "region", region)
-
-	// Todo: Update API call logic
-
-	// Save updated data into Terraform state
-	resp.Diagnostics.Append(resp.State.Set(ctx, &data)...)
-
-	tflog.Info(ctx, "sqlserverflexbeta.User updated")
-}
-
-func (r *userResource) Delete(ctx context.Context, req resource.DeleteRequest, resp *resource.DeleteResponse) {
-	var data resourceModel
-
-	// Read Terraform prior state data into the model
-	resp.Diagnostics.Append(req.State.Get(ctx, &data)...)
-	if resp.Diagnostics.HasError() {
-		return
-	}
-
-	// Read identity data
-	var identityData UserResourceIdentityModel
-	resp.Diagnostics.Append(req.Identity.Get(ctx, &identityData)...)
-	if resp.Diagnostics.HasError() {
-		return
-	}
-
-	ctx = core.InitProviderContext(ctx)
-
-	projectId := identityData.ProjectID.ValueString()
-	region := identityData.Region.ValueString()
-	ctx = tflog.SetField(ctx, "project_id", projectId)
-	ctx = tflog.SetField(ctx, "region", region)
-
-	// Todo: Delete API call logic
-
-	tflog.Info(ctx, "sqlserverflexbeta.User deleted")
 }
 
 // ModifyPlan implements resource.ResourceWithModifyPlan.
@@ -397,25 +103,256 @@ func (r *userResource) ModifyPlan(
 		return
 	}
 
-	var identityModel UserResourceIdentityModel
-	identityModel.ProjectID = planModel.ProjectId
-	identityModel.Region = planModel.Region
-	// TODO: complete
-	//if !planModel.InstanceId.IsNull() && !planModel.InstanceId.IsUnknown() {
-	//	identityModel.InstanceID = planModel.InstanceId
-	//}
-
-	resp.Diagnostics.Append(resp.Identity.Set(ctx, identityModel)...)
-	if resp.Diagnostics.HasError() {
-		return
-	}
-
 	resp.Diagnostics.Append(resp.Plan.Set(ctx, planModel)...)
 	if resp.Diagnostics.HasError() {
 		return
 	}
 }
 
+//go:embed planModifiers.yaml
+var modifiersFileByte []byte
+
+// Schema defines the schema for the resource.
+func (r *userResource) Schema(ctx context.Context, _ resource.SchemaRequest, resp *resource.SchemaResponse) {
+	s := sqlserverflexbetagen.UserResourceSchema(ctx)
+
+	fields, err := utils.ReadModifiersConfig(modifiersFileByte)
+	if err != nil {
+		resp.Diagnostics.AddError("error during read modifiers config file", err.Error())
+		return
+	}
+
+	err = utils.AddPlanModifiersToResourceSchema(fields, &s)
+	if err != nil {
+		resp.Diagnostics.AddError("error adding plan modifiers", err.Error())
+		return
+	}
+	resp.Schema = s
+}
+
+// IdentitySchema defines the schema for the resource's identity attributes.
+func (r *userResource) IdentitySchema(
+	_ context.Context,
+	_ resource.IdentitySchemaRequest,
+	response *resource.IdentitySchemaResponse,
+) {
+	response.IdentitySchema = identityschema.Schema{
+		Attributes: map[string]identityschema.Attribute{
+			"project_id": identityschema.StringAttribute{
+				RequiredForImport: true, // must be set during import by the practitioner
+			},
+			"region": identityschema.StringAttribute{
+				RequiredForImport: true, // can be defaulted by the provider configuration
+			},
+			"instance_id": identityschema.StringAttribute{
+				RequiredForImport: true, // can be defaulted by the provider configuration
+			},
+			"user_id": identityschema.Int64Attribute{
+				RequiredForImport: true, // can be defaulted by the provider configuration
+			},
+		},
+	}
+}
+
+// Create creates the resource and sets the initial Terraform state.
+func (r *userResource) Create(
+	ctx context.Context,
+	req resource.CreateRequest,
+	resp *resource.CreateResponse,
+) { // nolint:gocritic // function signature required by Terraform
+	var model resourceModel
+	diags := req.Plan.Get(ctx, &model)
+	resp.Diagnostics.Append(diags...)
+	if resp.Diagnostics.HasError() {
+		return
+	}
+
+	ctx = core.InitProviderContext(ctx)
+
+	projectId := model.ProjectId.ValueString()
+	instanceId := model.InstanceId.ValueString()
+	region := model.Region.ValueString()
+
+	ctx = tflog.SetField(ctx, "project_id", projectId)
+	ctx = tflog.SetField(ctx, "instance_id", instanceId)
+	ctx = tflog.SetField(ctx, "region", region)
+
+	var roles []sqlserverflexbeta.UserRole
+	if !model.Roles.IsNull() && !model.Roles.IsUnknown() {
+		diags = model.Roles.ElementsAs(ctx, &roles, false)
+		resp.Diagnostics.Append(diags...)
+		if resp.Diagnostics.HasError() {
+			return
+		}
+	}
+
+	// Generate API request body from model
+	payload, err := toCreatePayload(&model, roles)
+	if err != nil {
+		core.LogAndAddError(ctx, &resp.Diagnostics, "Error creating user", fmt.Sprintf("Creating API payload: %v", err))
+		return
+	}
+	// Create new user
+	userResp, err := r.client.CreateUserRequest(
+		ctx,
+		projectId,
+		region,
+		instanceId,
+	).CreateUserRequestPayload(*payload).Execute()
+	if err != nil {
+		core.LogAndAddError(ctx, &resp.Diagnostics, "Error creating user", fmt.Sprintf("Calling API: %v", err))
+		return
+	}
+
+	ctx = core.LogResponse(ctx)
+
+	if userResp == nil || userResp.Id == nil || *userResp.Id == 0 {
+		core.LogAndAddError(
+			ctx,
+			&resp.Diagnostics,
+			"Error creating user",
+			"API didn't return user Id. A user might have been created",
+		)
+		return
+	}
+	userId := *userResp.Id
+	ctx = tflog.SetField(ctx, "user_id", userId)
+
+	// Map response body to schema
+	err = mapFieldsCreate(userResp, &model, region)
+	if err != nil {
+		core.LogAndAddError(
+			ctx,
+			&resp.Diagnostics,
+			"Error creating user",
+			fmt.Sprintf("Processing API payload: %v", err),
+		)
+		return
+	}
+	// Set state to fully populated data
+	diags = resp.State.Set(ctx, model)
+	resp.Diagnostics.Append(diags...)
+	if resp.Diagnostics.HasError() {
+		return
+	}
+	tflog.Info(ctx, "SQLServer Flex user created")
+}
+
+// Read refreshes the Terraform state with the latest data.
+func (r *userResource) Read(
+	ctx context.Context,
+	req resource.ReadRequest,
+	resp *resource.ReadResponse,
+) { // nolint:gocritic // function signature required by Terraform
+	var model resourceModel
+	diags := req.State.Get(ctx, &model)
+	resp.Diagnostics.Append(diags...)
+	if resp.Diagnostics.HasError() {
+		return
+	}
+
+	ctx = core.InitProviderContext(ctx)
+
+	projectId := model.ProjectId.ValueString()
+	instanceId := model.InstanceId.ValueString()
+	userId := model.UserId.ValueInt64()
+	region := r.providerData.GetRegionWithOverride(model.Region)
+	ctx = tflog.SetField(ctx, "project_id", projectId)
+	ctx = tflog.SetField(ctx, "instance_id", instanceId)
+	ctx = tflog.SetField(ctx, "user_id", userId)
+	ctx = tflog.SetField(ctx, "region", region)
+
+	recordSetResp, err := r.client.GetUserRequest(ctx, projectId, region, instanceId, userId).Execute()
+	if err != nil {
+		var oapiErr *oapierror.GenericOpenAPIError
+		ok := errors.As(
+			err,
+			&oapiErr,
+		)
+		//nolint:errorlint //complaining that error.As should be used to catch wrapped errors, but this error should not be wrapped
+		if ok && oapiErr.StatusCode == http.StatusNotFound {
+			resp.State.RemoveResource(ctx)
+			return
+		}
+		core.LogAndAddError(ctx, &resp.Diagnostics, "Error reading user", fmt.Sprintf("Calling API: %v", err))
+		return
+	}
+
+	ctx = core.LogResponse(ctx)
+
+	// Map response body to schema
+	err = mapFields(recordSetResp, &model, region)
+	if err != nil {
+		core.LogAndAddError(
+			ctx,
+			&resp.Diagnostics,
+			"Error reading user",
+			fmt.Sprintf("Processing API payload: %v", err),
+		)
+		return
+	}
+
+	// Set refreshed state
+	diags = resp.State.Set(ctx, model)
+	resp.Diagnostics.Append(diags...)
+	if resp.Diagnostics.HasError() {
+		return
+	}
+	tflog.Info(ctx, "SQLServer Flex user read")
+}
+
+// Update updates the resource and sets the updated Terraform state on success.
+func (r *userResource) Update(
+	ctx context.Context,
+	_ resource.UpdateRequest,
+	resp *resource.UpdateResponse,
+) { // nolint:gocritic // function signature required by Terraform
+	// Update shouldn't be called
+	core.LogAndAddError(ctx, &resp.Diagnostics, "Error updating user", "User can't be updated")
+}
+
+// Delete deletes the resource and removes the Terraform state on success.
+func (r *userResource) Delete(
+	ctx context.Context,
+	req resource.DeleteRequest,
+	resp *resource.DeleteResponse,
+) { // nolint:gocritic // function signature required by Terraform
+	// Retrieve values from plan
+	var model resourceModel
+	diags := req.State.Get(ctx, &model)
+	resp.Diagnostics.Append(diags...)
+	if resp.Diagnostics.HasError() {
+		return
+	}
+
+	ctx = core.InitProviderContext(ctx)
+
+	projectId := model.ProjectId.ValueString()
+	instanceId := model.InstanceId.ValueString()
+	userId := model.UserId.ValueInt64()
+	region := model.Region.ValueString()
+	ctx = tflog.SetField(ctx, "project_id", projectId)
+	ctx = tflog.SetField(ctx, "instance_id", instanceId)
+	ctx = tflog.SetField(ctx, "user_id", userId)
+	ctx = tflog.SetField(ctx, "region", region)
+
+	// Delete existing record set
+	// err := r.client.DeleteUserRequest(ctx, projectId, region, instanceId, userId).Execute()
+
+	// Delete existing record set
+	_, err := sqlserverflexbetaWait.DeleteUserWaitHandler(ctx, r.client, projectId, region, instanceId, userId).
+		WaitWithContext(ctx)
+	//err := r.client.DeleteUserRequest(ctx, arg.projectId, arg.region, arg.instanceId, userId).Execute()
+	if err != nil {
+		core.LogAndAddError(ctx, &resp.Diagnostics, "User Delete Error", fmt.Sprintf("Calling API: %v", err))
+		return
+	}
+
+	ctx = core.LogResponse(ctx)
+
+	tflog.Info(ctx, "SQLServer Flex user deleted")
+}
+
 // ImportState imports a resource into the Terraform state on success.
 // The expected format of the resource import identifier is: project_id,zone_id,record_set_id
 func (r *userResource) ImportState(
@@ -423,6 +360,7 @@ func (r *userResource) ImportState(
 	req resource.ImportStateRequest,
 	resp *resource.ImportStateResponse,
 ) {
+
 	ctx = core.InitProviderContext(ctx)
 
 	if req.ID != "" {
@@ -457,7 +395,7 @@ func (r *userResource) ImportState(
 		resp.Diagnostics.Append(resp.State.SetAttribute(ctx, path.Root("instance_id"), idParts[2])...)
 		resp.Diagnostics.Append(resp.State.SetAttribute(ctx, path.Root("user_id"), userId)...)
 
-		tflog.Info(ctx, "Sqlserverflexbeta user state imported")
+		tflog.Info(ctx, "Postgres Flex user state imported")
 
 		return
 	}
@@ -482,9 +420,8 @@ func (r *userResource) ImportState(
 	core.LogAndAddWarning(
 		ctx,
 		&resp.Diagnostics,
-		"Sqlserverflexbeta database imported with empty password",
+		"SQLServer Flex user imported with empty password",
-		"The database password is not imported as it is only available upon creation of a new database. The password field will be empty.",
+		"The user password is not imported as it is only available upon creation of a new user. The password field will be empty.",
 	)
-	tflog.Info(ctx, "Sqlserverflexbeta user state imported")
+	tflog.Info(ctx, "SQLServer Flex user state imported")
-
 }

stackit/internal/services/sqlserverflexbeta/utils/util.go

@@ -0,0 +1,47 @@
+package utils
+
+import (
+	"context"
+	"fmt"
+
+	sqlserverflex "tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/pkg_gen/sqlserverflexbeta"
+
+	"github.com/hashicorp/terraform-plugin-framework/diag"
+	"github.com/stackitcloud/stackit-sdk-go/core/config"
+	"tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/stackit/internal/core"
+	"tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/stackit/internal/utils"
+)
+
+func ConfigureClient(
+	ctx context.Context,
+	providerData *core.ProviderData,
+	diags *diag.Diagnostics,
+) *sqlserverflex.APIClient {
+	apiClientConfigOptions := []config.ConfigurationOption{
+		config.WithCustomAuth(providerData.RoundTripper),
+		utils.UserAgentConfigOption(providerData.Version),
+	}
+	if providerData.SQLServerFlexCustomEndpoint != "" {
+		apiClientConfigOptions = append(
+			apiClientConfigOptions,
+			config.WithEndpoint(providerData.SQLServerFlexCustomEndpoint),
+		)
+	} else {
+		apiClientConfigOptions = append(apiClientConfigOptions, config.WithRegion(providerData.GetRegion()))
+	}
+	apiClient, err := sqlserverflex.NewAPIClient(apiClientConfigOptions...)
+	if err != nil {
+		core.LogAndAddError(
+			ctx,
+			diags,
+			"Error configuring API client",
+			fmt.Sprintf(
+				"Configuring client: %v. This is an error related to the provider configuration, not to the resource configuration",
+				err,
+			),
+		)
+		return nil
+	}
+
+	return apiClient
+}

stackit/internal/services/sqlserverflexbeta/utils/util_test.go

@@ -0,0 +1,97 @@
+package utils
+
+import (
+	"context"
+	"os"
+	"reflect"
+	"testing"
+
+	"github.com/hashicorp/terraform-plugin-framework/diag"
+	sdkClients "github.com/stackitcloud/stackit-sdk-go/core/clients"
+	"github.com/stackitcloud/stackit-sdk-go/core/config"
+	sqlserverflex "tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/pkg_gen/sqlserverflexbeta"
+
+	"tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/stackit/internal/core"
+	"tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stackitprivatepreview/stackit/internal/utils"
+)
+
+const (
+	testVersion        = "1.2.3"
+	testCustomEndpoint = "https://sqlserverflex-custom-endpoint.api.stackit.cloud"
+)
+
+func TestConfigureClient(t *testing.T) {
+	/* mock authentication by setting service account token env variable */
+	os.Clearenv()
+	err := os.Setenv(sdkClients.ServiceAccountToken, "mock-val")
+	if err != nil {
+		t.Errorf("error setting env variable: %v", err)
+	}
+
+	type args struct {
+		providerData *core.ProviderData
+	}
+	tests := []struct {
+		name     string
+		args     args
+		wantErr  bool
+		expected *sqlserverflex.APIClient
+	}{
+		{
+			name: "default endpoint",
+			args: args{
+				providerData: &core.ProviderData{
+					Version: testVersion,
+				},
+			},
+			expected: func() *sqlserverflex.APIClient {
+				apiClient, err := sqlserverflex.NewAPIClient(
+					config.WithRegion("eu01"),
+					utils.UserAgentConfigOption(testVersion),
+				)
+				if err != nil {
+					t.Errorf("error configuring client: %v", err)
+				}
+				return apiClient
+			}(),
+			wantErr: false,
+		},
+		{
+			name: "custom endpoint",
+			args: args{
+				providerData: &core.ProviderData{
+					Version:                     testVersion,
+					SQLServerFlexCustomEndpoint: testCustomEndpoint,
+				},
+			},
+			expected: func() *sqlserverflex.APIClient {
+				apiClient, err := sqlserverflex.NewAPIClient(
+					utils.UserAgentConfigOption(testVersion),
+					config.WithEndpoint(testCustomEndpoint),
+				)
+				if err != nil {
+					t.Errorf("error configuring client: %v", err)
+				}
+				return apiClient
+			}(),
+			wantErr: false,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(
+			tt.name, func(t *testing.T) {
+				ctx := context.Background()
+				diags := diag.Diagnostics{}
+
+				actual := ConfigureClient(ctx, tt.args.providerData, &diags)
+				if diags.HasError() != tt.wantErr {
+					t.Errorf("ConfigureClient() error = %v, want %v", diags.HasError(), tt.wantErr)
+				}
+
+				if !reflect.DeepEqual(actual, tt.expected) {
+					t.Errorf("ConfigureClient() = %v, want %v", actual, tt.expected)
+				}
+			},
+		)
+	}
+}

stackit/internal/wait/sqlserverflexbeta/wait.go

@@ -27,9 +27,35 @@ const (
 
 // APIClientInterface Interface needed for tests
 type APIClientInterface interface {
-	GetInstanceRequestExecute(ctx context.Context, projectId, region, instanceId string) (*sqlserverflex.GetInstanceResponse, error)
+	GetInstanceRequestExecute(
-	GetDatabaseRequestExecute(ctx context.Context, projectId string, region string, instanceId string, databaseName string) (*sqlserverflex.GetDatabaseResponse, error)
+		ctx context.Context,
-	GetUserRequestExecute(ctx context.Context, projectId string, region string, instanceId string, userId int64) (*sqlserverflex.GetUserResponse, error)
+		projectId, region, instanceId string,
+	) (*sqlserverflex.GetInstanceResponse, error)
+	GetDatabaseRequestExecute(
+		ctx context.Context,
+		projectId string,
+		region string,
+		instanceId string,
+		databaseName string,
+	) (*sqlserverflex.GetDatabaseResponse, error)
+	GetUserRequestExecute(
+		ctx context.Context,
+		projectId string,
+		region string,
+		instanceId string,
+		userId int64,
+	) (*sqlserverflex.GetUserResponse, error)
+}
+
+// APIClientUserInterface Interface needed for tests
+type APIClientUserInterface interface {
+	DeleteUserRequestExecute(
+		ctx context.Context,
+		projectId string,
+		region string,
+		instanceId string,
+		userId int64,
+	) error
 }
 
 // CreateInstanceWaitHandler will wait for instance creation
@@ -38,7 +64,8 @@ func CreateInstanceWaitHandler(
 	a APIClientInterface,
 	projectId, instanceId, region string,
 ) *wait.AsyncActionHandler[sqlserverflex.GetInstanceResponse] {
-	handler := wait.New(func() (waitFinished bool, response *sqlserverflex.GetInstanceResponse, err error) {
+	handler := wait.New(
+		func() (waitFinished bool, response *sqlserverflex.GetInstanceResponse, err error) {
 			s, err := a.GetInstanceRequestExecute(ctx, projectId, region, instanceId)
 			if err != nil {
 				return false, nil, err
@@ -62,24 +89,34 @@ func CreateInstanceWaitHandler(
 			case strings.ToLower(InstanceStateUnknown), strings.ToLower(InstanceStateFailed):
 				return true, s, fmt.Errorf("create failed for instance with id %s", instanceId)
 			case strings.ToLower(InstanceStatePending), strings.ToLower(InstanceStateProcessing):
-			tflog.Info(ctx, "request is being handled", map[string]interface{}{
+				tflog.Info(
+					ctx, "request is being handled", map[string]interface{}{
 						"status": *s.Status,
-			})
+					},
+				)
 				return false, nil, nil
 			default:
-			tflog.Info(ctx, "Wait (create) received unknown status", map[string]interface{}{
+				tflog.Info(
+					ctx, "Wait (create) received unknown status", map[string]interface{}{
 						"instanceId": instanceId,
 						"status":     s.Status,
-			})
+					},
+				)
 				return false, s, nil
 			}
-	})
+		},
+	)
 	return handler
 }
 
 // UpdateInstanceWaitHandler will wait for instance update
-func UpdateInstanceWaitHandler(ctx context.Context, a APIClientInterface, projectId, instanceId, region string) *wait.AsyncActionHandler[sqlserverflex.GetInstanceResponse] {
+func UpdateInstanceWaitHandler(
-	handler := wait.New(func() (waitFinished bool, response *sqlserverflex.GetInstanceResponse, err error) {
+	ctx context.Context,
+	a APIClientInterface,
+	projectId, instanceId, region string,
+) *wait.AsyncActionHandler[sqlserverflex.GetInstanceResponse] {
+	handler := wait.New(
+		func() (waitFinished bool, response *sqlserverflex.GetInstanceResponse, err error) {
 			s, err := a.GetInstanceRequestExecute(ctx, projectId, region, instanceId)
 			if err != nil {
 				return false, nil, err
@@ -93,24 +130,34 @@ func UpdateInstanceWaitHandler(ctx context.Context, a APIClientInterface, projec
 			case strings.ToLower(InstanceStateUnknown), strings.ToLower(InstanceStateFailed):
 				return true, s, fmt.Errorf("update failed for instance with id %s", instanceId)
 			case strings.ToLower(InstanceStatePending), strings.ToLower(InstanceStateProcessing):
-			tflog.Info(ctx, "request is being handled", map[string]interface{}{
+				tflog.Info(
+					ctx, "request is being handled", map[string]interface{}{
 						"status": *s.Status,
-			})
+					},
+				)
 				return false, s, nil
 			default:
-			tflog.Info(ctx, "Wait (update) received unknown status", map[string]interface{}{
+				tflog.Info(
+					ctx, "Wait (update) received unknown status", map[string]interface{}{
 						"instanceId": instanceId,
 						"status":     s.Status,
-			})
+					},
+				)
 				return false, s, nil
 			}
-	})
+		},
+	)
 	return handler
 }
 
 // DeleteInstanceWaitHandler will wait for instance deletion
-func DeleteInstanceWaitHandler(ctx context.Context, a APIClientInterface, projectId, instanceId, region string) *wait.AsyncActionHandler[sqlserverflex.GetInstanceResponse] {
+func DeleteInstanceWaitHandler(
-	handler := wait.New(func() (waitFinished bool, response *sqlserverflex.GetInstanceResponse, err error) {
+	ctx context.Context,
+	a APIClientInterface,
+	projectId, instanceId, region string,
+) *wait.AsyncActionHandler[sqlserverflex.GetInstanceResponse] {
+	handler := wait.New(
+		func() (waitFinished bool, response *sqlserverflex.GetInstanceResponse, err error) {
 			s, err := a.GetInstanceRequestExecute(ctx, projectId, region, instanceId)
 			if err == nil {
 				return false, s, nil
@@ -124,7 +171,8 @@ func DeleteInstanceWaitHandler(ctx context.Context, a APIClientInterface, projec
 				return false, nil, err
 			}
 			return true, nil, nil
-	})
+		},
+	)
 	handler.SetTimeout(30 * time.Minute)
 	return handler
 }
@@ -135,7 +183,8 @@ func CreateDatabaseWaitHandler(
 	a APIClientInterface,
 	projectId, instanceId, region, databaseName string,
 ) *wait.AsyncActionHandler[sqlserverflex.GetDatabaseResponse] {
-	handler := wait.New(func() (waitFinished bool, response *sqlserverflex.GetDatabaseResponse, err error) {
+	handler := wait.New(
+		func() (waitFinished bool, response *sqlserverflex.GetDatabaseResponse, err error) {
 			s, err := a.GetDatabaseRequestExecute(ctx, projectId, region, instanceId, databaseName)
 			if err != nil {
 				return false, nil, err
@@ -152,6 +201,42 @@ func CreateDatabaseWaitHandler(
 				return false, nil, err
 			}
 			return true, nil, nil
-	})
+		},
+	)
+	return handler
+}
+
+// DeleteUserWaitHandler will wait for instance deletion
+func DeleteUserWaitHandler(
+	ctx context.Context,
+	a APIClientUserInterface,
+	projectId, instanceId, region string,
+	userId int64,
+) *wait.AsyncActionHandler[struct{}] {
+	handler := wait.New(
+		func() (waitFinished bool, response *struct{}, err error) {
+			err = a.DeleteUserRequestExecute(ctx, projectId, region, instanceId, userId)
+			if err == nil {
+				return false, nil, nil
+			}
+			var oapiErr *oapierror.GenericOpenAPIError
+			ok := errors.As(err, &oapiErr)
+			if !ok {
+				return false, nil, fmt.Errorf("could not convert error to oapierror.GenericOpenAPIError")
+			}
+
+			switch oapiErr.StatusCode {
+			case http.StatusNotFound:
+				return true, nil, nil
+			case http.StatusInternalServerError:
+				tflog.Warn(ctx, "Wait handler got error 500")
+				return false, nil, nil
+			default:
+				return false, nil, err
+			}
+		},
+	)
+	handler.SetTimeout(15 * time.Minute)
+	handler.SetSleepBeforeWait(15 * time.Second)
 	return handler
 }