fix(legacy): resolve 422 error on site domain lookup and enhance V3 filtering

app/routers/api_crud_v3.py

@@ -35,11 +35,10 @@ def safe_json_loads(json_str: Optional[str]) -> Any:
         log.warning(f"Failed to parse JSON string: {json_str}. Error: {e}")
         return None
 
-def filter_order_by(order_by_li: Any, model: Any) -> Optional[Dict[str, str]]:
+def filter_order_by(order_by_li: Any, model: Any, table_name: str = None) -> Optional[Dict[str, str]]:
     """
-    Filters the order_by_li dictionary to only include fields present in the Pydantic model.
-    This prevents SQL errors when the frontend requests ordering by fields that don't exist
-    on specific objects (e.g., 'priority' or 'sort' on 'account').
+    Filters the order_by_li dictionary to only include fields present in the Pydantic model
+    AND actually present in the database table/view.
     """
     if not order_by_li or not isinstance(order_by_li, dict) or not model:
         return order_by_li
@@ -47,12 +46,28 @@ def filter_order_by(order_by_li: Any, model: Any) -> Optional[Dict[str, str]]:
     if not hasattr(model, '__fields__'):
         return order_by_li
         
-    # Get all field names and aliases from the model
+    # 1. Filter by Pydantic Model Fields/Aliases
     model_fields = set(model.__fields__.keys())
     model_fields.update({f.alias for f in model.__fields__.values() if f.alias})
     
     filtered = {k: v for k, v in order_by_li.items() if k in model_fields}
     
+    # 2. Filter by actual DB Column existence (Dry run)
+    if table_name and filtered:
+        from app.db_sql import db
+        from sqlalchemy import text
+        
+        final_filtered = {}
+        for column in filtered:
+            try:
+                # Use a lightweight query to check if column exists
+                db.execute(text(f"SELECT `{column}` FROM `{table_name}` LIMIT 0"))
+                final_filtered[column] = filtered[column]
+            except Exception:
+                log.warning(f"Column '{column}' does not exist in '{table_name}'. Removing from order_by_li.")
+                continue
+        filtered = final_filtered
+
     if len(filtered) != len(order_by_li):
         log.info(f"Filtered order_by_li. Removed fields: {set(order_by_li.keys()) - set(filtered.keys())}")
         
@@ -279,7 +294,7 @@ async def get_obj_li(
     if not table_name or not base_name:
         return mk_resp(data=False, status_code=500, response=response, status_message=f"Configuration for object type '{obj_name}' (view: {view}) is incomplete.")
 
-    order_by_li = filter_order_by(order_by_li, base_name)
+    order_by_li = filter_order_by(order_by_li, base_name, table_name)
     status_filter = get_supported_filters(base_name, status_filter)
 
     if for_obj_type and for_obj_id:
@@ -376,7 +391,7 @@ async def search_obj_li(
     if not table_name or not base_name:
         return mk_resp(data=False, status_code=500, response=response, status_message=f"Configuration for object type '{obj_name}' (view: {view}) is incomplete.")
 
-    order_by_li = filter_order_by(order_by_li, base_name)
+    order_by_li = filter_order_by(order_by_li, base_name, table_name)
     status_filter = get_supported_filters(base_name, status_filter)
     searchable_fields = obj_cfg.get('searchable_fields')
 
@@ -640,7 +655,7 @@ async def get_child_obj_li(
     if not table_name or not base_name:
         return mk_resp(data=False, status_code=500, response=response, status_message=f"Configuration for object type '{obj_name}' is incomplete.")
 
-    order_by_li = filter_order_by(order_by_li, base_name)
+    order_by_li = filter_order_by(order_by_li, base_name, table_name)
     status_filter = get_supported_filters(base_name, status_filter)
 
     resolved_parent_id = redis_lookup_id_random(record_id_random=parent_obj_id, table_name=parent_obj_type)