minor improvements

back/app/core/routes.py

@@ -1,5 +1,5 @@
 from beanie import PydanticObjectId
-from beanie.operators import And, Or, RegEx, Eq
+from beanie.operators import And, RegEx, Eq
 
 from fastapi import APIRouter, HTTPException
 from fastapi_paginate import Page, Params, add_pagination
@@ -18,6 +18,10 @@ def parse_sort(sort_by):
     return fields
 
 
+def Or(filters):
+    return {'$or': filters}
+
+
 def parse_query(query: str, model):
     if query is None:
         return {}
@@ -40,7 +44,10 @@ def parse_query(query: str, model):
 
         and_array.append(operand)
 
-    return And(and_array) if len(and_array) > 1 else and_array[0]
+    if and_array:
+        return And(and_array) if len(and_array) > 1 else and_array[0]
+    else:
+        return {}
 
 
 def get_crud_router(model, model_create, model_read, model_update):