Initial commit: Open sourcing all of the Maple Open Technologies code.

cloud/maplefile-backend/internal/usecase/collection/update_member_permission.go

@@ -0,0 +1,64 @@
+// monorepo/cloud/backend/internal/maplefile/usecase/collection/update_member_permission.go
+package collection
+
+import (
+	"context"
+
+	"go.uber.org/zap"
+
+	"github.com/gocql/gocql"
+	"codeberg.org/mapleopentech/monorepo/cloud/maplefile-backend/config"
+	dom_collection "codeberg.org/mapleopentech/monorepo/cloud/maplefile-backend/internal/domain/collection"
+	"codeberg.org/mapleopentech/monorepo/cloud/maplefile-backend/pkg/httperror"
+)
+
+type UpdateMemberPermissionUseCase interface {
+	Execute(ctx context.Context, collectionID, recipientID gocql.UUID, newPermission string) error
+}
+
+type updateMemberPermissionUseCaseImpl struct {
+	config *config.Configuration
+	logger *zap.Logger
+	repo   dom_collection.CollectionRepository
+}
+
+func NewUpdateMemberPermissionUseCase(
+	config *config.Configuration,
+	logger *zap.Logger,
+	repo dom_collection.CollectionRepository,
+) UpdateMemberPermissionUseCase {
+	logger = logger.Named("UpdateMemberPermissionUseCase")
+	return &updateMemberPermissionUseCaseImpl{config, logger, repo}
+}
+
+func (uc *updateMemberPermissionUseCaseImpl) Execute(ctx context.Context, collectionID, recipientID gocql.UUID, newPermission string) error {
+	//
+	// STEP 1: Validation.
+	//
+
+	e := make(map[string]string)
+	if collectionID.String() == "" {
+		e["collection_id"] = "Collection ID is required"
+	}
+	if recipientID.String() == "" {
+		e["recipient_id"] = "Recipient ID is required"
+	}
+	if newPermission == "" {
+		// Default permission level will be set in the repository
+	} else if newPermission != dom_collection.CollectionPermissionReadOnly &&
+		newPermission != dom_collection.CollectionPermissionReadWrite &&
+		newPermission != dom_collection.CollectionPermissionAdmin {
+		e["permission_level"] = "Invalid permission level"
+	}
+	if len(e) != 0 {
+		uc.logger.Warn("Failed validating update member permission",
+			zap.Any("error", e))
+		return httperror.NewForBadRequest(&e)
+	}
+
+	//
+	// STEP 2: Update member permission.
+	//
+
+	return uc.repo.UpdateMemberPermission(ctx, collectionID, recipientID, newPermission)
+}