feat(ui): show total file count in FilesModal title (#25873)

backend/open_webui/models/files.py

@@ -201,6 +201,18 @@ class FilesTable:
             result = await db.execute(select(File))
             return [FileModel.model_validate(file) for file in result.scalars().all()]
 
+    async def count_files_by_user_id(
+        self,
+        user_id: str | None = None,
+        db: AsyncSession | None = None,
+    ) -> int:
+        async with get_async_db_context(db) as db:
+            stmt = select(func.count(File.id))
+            if user_id:
+                stmt = stmt.filter_by(user_id=user_id)
+            result = await db.execute(stmt)
+            return result.scalar() or 0
+
     async def check_access_by_user_id(self, id, user_id, permission='write', db: AsyncSession | None = None) -> bool:
         file = await self.get_file_by_id(id, db=db)
         if not file: