Merge branch 'master' into 4-mongodb_api

middleware/app_be/views/rest_api.py

@@ -198,6 +198,7 @@ class ImageEndpoint:
         logger.debug('Image DELETE single call: {}'.format(request))
         result_bool = True
 
+        while identifier is not None:
             # get metadata from MongoDB
             metadata = MongoDBService.getSingle(identifier)
 
@@ -213,6 +214,12 @@ class ImageEndpoint:
                     print('Error deleting file in ' + service.name)
                     result_bool = False
 
+            identifier = None
+            if 'previous' in metadata:
+                identifier = metadata['previous']
+                if identifier == '':
+                    identifier = None
+
         return JsonResponse({'Result': result_bool}, safe=False)
 
     @staticmethod