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

cloud/maplefile-backend/internal/service/collection/get_sync_data.go

@@ -0,0 +1,94 @@
+// monorepo/cloud/backend/internal/maplefile/service/collection/get.go
+package collection
+
+import (
+	"context"
+
+	"go.uber.org/zap"
+
+	"github.com/gocql/gocql"
+	"codeberg.org/mapleopentech/monorepo/cloud/maplefile-backend/config"
+	"codeberg.org/mapleopentech/monorepo/cloud/maplefile-backend/config/constants"
+	dom_collection "codeberg.org/mapleopentech/monorepo/cloud/maplefile-backend/internal/domain/collection"
+	uc_collection "codeberg.org/mapleopentech/monorepo/cloud/maplefile-backend/internal/usecase/collection"
+	"codeberg.org/mapleopentech/monorepo/cloud/maplefile-backend/pkg/httperror"
+)
+
+type GetCollectionSyncDataService interface {
+	Execute(ctx context.Context, userID gocql.UUID, cursor *dom_collection.CollectionSyncCursor, limit int64, accessType string) (*dom_collection.CollectionSyncResponse, error)
+}
+
+type getCollectionSyncDataServiceImpl struct {
+	config                       *config.Configuration
+	logger                       *zap.Logger
+	getCollectionSyncDataUseCase uc_collection.GetCollectionSyncDataUseCase
+}
+
+func NewGetCollectionSyncDataService(
+	config *config.Configuration,
+	logger *zap.Logger,
+	getCollectionSyncDataUseCase uc_collection.GetCollectionSyncDataUseCase,
+) GetCollectionSyncDataService {
+	logger = logger.Named("GetCollectionSyncDataService")
+	return &getCollectionSyncDataServiceImpl{
+		config:                       config,
+		logger:                       logger,
+		getCollectionSyncDataUseCase: getCollectionSyncDataUseCase,
+	}
+}
+
+func (svc *getCollectionSyncDataServiceImpl) Execute(ctx context.Context, userID gocql.UUID, cursor *dom_collection.CollectionSyncCursor, limit int64, accessType string) (*dom_collection.CollectionSyncResponse, error) {
+	//
+	// STEP 1: Validation
+	//
+	if userID.String() == "" {
+		svc.logger.Warn("Empty user ID provided")
+		return nil, httperror.NewForBadRequestWithSingleField("user_id", "User ID is required")
+	}
+
+	//
+	// STEP 2: Verify user ID from context matches the parameter
+	//
+	sessionUserID, ok := ctx.Value(constants.SessionUserID).(gocql.UUID)
+	if !ok {
+		svc.logger.Error("Failed getting user ID from context")
+		return nil, httperror.NewForInternalServerErrorWithSingleField("message", "Authentication context error")
+	}
+
+	// Ensure the user can only get their own sync data
+	if sessionUserID != userID {
+		svc.logger.Warn("User trying to access another user's sync data",
+			zap.Any("session_user_id", sessionUserID),
+			zap.Any("requested_user_id", userID))
+		return nil, httperror.NewForForbiddenWithSingleField("message", "Cannot access other user's sync data")
+	}
+
+	//
+	// STEP 3: Get sync data based on access type
+	//
+	// Note: The use case will handle filtering collections based on the user's access
+	// It returns only collections the user owns or has been granted access to
+	syncData, err := svc.getCollectionSyncDataUseCase.Execute(ctx, userID, cursor, limit, accessType)
+	if err != nil {
+		svc.logger.Error("Failed to get collection sync data",
+			zap.Any("error", err),
+			zap.Any("user_id", userID))
+		return nil, err
+	}
+
+	if syncData == nil {
+		svc.logger.Debug("Collection sync data not found",
+			zap.Any("user_id", userID))
+		return nil, httperror.NewForNotFoundWithSingleField("message", "Collection sync results not found")
+	}
+
+	// Note: Access control is already handled by the use case
+	// It only returns collections the user has access to
+	// No need to check individual collection access here
+
+	svc.logger.Debug("Collection sync data successfully retrieved",
+		zap.Any("user_id", userID),
+		zap.Int("collections_returned", len(syncData.Collections)))
+
+	return syncData, nil
+}