Allow managing members in the project resource (#480)

* Extend resource and datasource

* Adapt acc test to work without members

* Extend acc test and adjust resource

* Generate docs

* Fix lint

* Fix unit test

* Uniformize description with datasource and extend unit test

* Improve role field description

* Update TF state before adding/removing members

* Remove unused function

* Move intermediate map top state to mapProjectFields

* Improve code

stackit/internal/utils/utils.go

@@ -6,6 +6,7 @@ import (
 	"strings"
 
 	"github.com/hashicorp/terraform-plugin-framework/types/basetypes"
+	"github.com/stackitcloud/stackit-sdk-go/core/utils"
 
 	"github.com/hashicorp/terraform-plugin-framework/types"
 )
@@ -14,6 +15,10 @@ const (
 	SKEServiceId = "cloud.stackit.ske"
 )
 
+var (
+	LegacyProjectRoles = []string{"project.admin", "project.auditor", "project.member", "project.owner"}
+)
+
 // ReconcileStringSlices reconciles two string lists by removing elements from the
 // first list that are not in the second list and appending elements from the
 // second list that are not in the first list.
@@ -85,13 +90,17 @@ func SupportedValuesDocumentation(values []string) string {
 	if len(values) == 0 {
 		return ""
 	}
-	return "Supported values are: " + strings.Join(quoteValues(values), ", ") + "."
+	return "Supported values are: " + strings.Join(QuoteValues(values), ", ") + "."
 }
 
-func quoteValues(values []string) []string {
+func QuoteValues(values []string) []string {
 	quotedValues := make([]string, len(values))
 	for i, value := range values {
 		quotedValues[i] = fmt.Sprintf("`%s`", value)
 	}
 	return quotedValues
 }
+
+func IsLegacyProjectRole(role string) bool {
+	return utils.Contains(LegacyProjectRoles, role)
+}

stackit/internal/utils/utils_test.go

@@ -225,3 +225,46 @@ func TestSupportedValuesDocumentation(t *testing.T) {
 		})
 	}
 }
+
+func TestIsLegacyProjectRole(t *testing.T) {
+	tests := []struct {
+		description string
+		role        string
+		expected    bool
+	}{
+		{
+			"non legacy role",
+			"owner",
+			false,
+		},
+		{
+			"leagcy role",
+			"project.owner",
+			true,
+		},
+		{
+			"leagcy role 2",
+			"project.admin",
+			true,
+		},
+		{
+			"leagcy role 3",
+			"project.member",
+			true,
+		},
+		{
+			"leagcy role 4",
+			"project.auditor",
+			true,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.description, func(t *testing.T) {
+			output := IsLegacyProjectRole(tt.role)
+			if output != tt.expected {
+				t.Fatalf("Data does not match: %v", output)
+			}
+		})
+	}
+}