feat: initial copy of v0.1.0

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

@@ -0,0 +1,65 @@
+package sqlserverFlexBetaFlavor
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/stackitcloud/stackit-sdk-go/services/sqlserverflex/v3beta1api"
+)
+
+type flavorsClientReader interface {
+	GetFlavorsRequest(
+		ctx context.Context,
+		projectId, region string,
+	) v3beta1api.ApiGetFlavorsRequestRequest
+}
+
+func getAllFlavors(ctx context.Context, client flavorsClientReader, projectId, region string) (
+	[]v3beta1api.ListFlavors,
+	error,
+) {
+	getAllFilter := func(_ v3beta1api.ListFlavors) bool { return true }
+	flavorList, err := getFlavorsByFilter(ctx, client, projectId, region, getAllFilter)
+	if err != nil {
+		return nil, err
+	}
+	return flavorList, nil
+}
+
+// getFlavorsByFilter is a helper function to retrieve flavors using a filtern function.
+// Hint: The API does not have a GetFlavors endpoint, only ListFlavors
+func getFlavorsByFilter(
+	ctx context.Context,
+	client flavorsClientReader,
+	projectId, region string,
+	filter func(db v3beta1api.ListFlavors) bool,
+) ([]v3beta1api.ListFlavors, error) {
+	if projectId == "" || region == "" {
+		return nil, fmt.Errorf("listing v3beta1api flavors: projectId and region are required")
+	}
+
+	const pageSize = 25
+
+	var result = make([]v3beta1api.ListFlavors, 0)
+
+	for page := int64(1); ; page++ {
+		res, err := client.GetFlavorsRequest(ctx, projectId, region).
+			Page(page).Size(pageSize).Sort(v3beta1api.FLAVORSORT_INDEX_ASC).Execute()
+		if err != nil {
+			return nil, fmt.Errorf("requesting flavors list (page %d): %w", page, err)
+		}
+
+		// If the API returns no flavors, we have reached the end of the list.
+		if len(res.Flavors) == 0 {
+			break
+		}
+
+		for _, flavor := range res.Flavors {
+			if filter(flavor) {
+				result = append(result, flavor)
+			}
+		}
+	}
+
+	return result, nil
+}