feat: initialize aivideo project

backend/app/common/responses/api_response.py

@@ -0,0 +1,30 @@
+from math import ceil
+from typing import Any
+
+from fastapi.responses import JSONResponse
+
+
+def success_response(data: Any = None, message: str = "ok", status_code: int = 200) -> JSONResponse:
+    return JSONResponse(
+        status_code=status_code,
+        content={"code": 0, "message": message, "data": data},
+    )
+
+
+def paginated_response(
+    items: list[Any],
+    *,
+    total: int,
+    page: int,
+    page_size: int,
+) -> JSONResponse:
+    return success_response(
+        {
+            "items": items,
+            "page": page,
+            "pageSize": page_size,
+            "total": total,
+            "totalPages": ceil(total / page_size) if page_size else 1,
+        }
+    )
+