[businessLogic] fixed 500 error for enum query

src/participation-hub/business-logic-microservice/app/db/enum_repository.py

@@ -34,7 +34,7 @@ class EnumRepository(MongoRepositoryBase):
 
         return [Enum.from_serializable_dict(row) for row in list(result)]
 
-    def all_instances(self, name: str, use_case: str, table: str) -> Enum:
+    def all_for_use_case_and_table_and_name(self, name: str, use_case: str, table: str) -> Enum:
         result = list(super().get_entries(self._enum_collection, selection={
                       "name": name, "use_case": use_case, "table": table}))
 

src/participation-hub/business-logic-microservice/app/routes/enum.py

@@ -32,12 +32,9 @@ def one(use_case: str, table: str, name: str):
         table       - Required : unique identifier of the Table the Enum belongs to
         name        - Required : unique identifier for the Enum
     '''
-    enum = enum_repository.one(name, use_case, table)
+    enums = enum_repository.all_for_use_case_and_table_and_name(name, use_case, table)
 
-    if enum == None:
-        return Response(status=404, response=f"Enum with name '{name}' does not exist!")
-
-    return Response(status=200, response=json.dumps(enum.to_serializable_dict()))
+    return Response(status=200, response=json.dumps([enum.to_serializable_dict() for enum in enums]))
 
 def put_new(use_case: str, table: str, name: str, value: str):
     '''