fix date filters

api-customer/src/services/mongo_service.py

@@ -36,7 +36,7 @@ class MongoService:
             logger.log_info(e)
 
     def find_by_date(self, collection: str, filters: dict = None, timestamp_field: str = "created_at",
-                     start_time: datetime = None, end_time: datetime = None):
+                     start_time: int = None, end_time: int = None):
         try:
             collection = self._db[collection]
             query = filters.copy() if filters else {}
@@ -48,7 +48,12 @@ class MongoService:
                 if end_time:
                     query[timestamp_field]["$lte"] = end_time
 
-            return list(collection.find(query))
+                results = list(collection.find(query))
+                for doc in results:
+                    if "_id" in doc:
+                        doc["_id"] = str(doc["_id"])
+
+                return results
         except Exception as e:
             logger.log_info(e)
             return []