add request input class for stringified json

main.py

@@ -19,6 +19,9 @@ temp_dir = '/tmp/'
 # Initialize an S3 client
 s3_client = boto3.client('s3', aws_access_key_id=aws_access_key_id, aws_secret_access_key=aws_secret_access_key, region_name=aws_region)
 
+class CutRequestInput(BaseModel):
+    data: str
+
 class CutRequest(BaseModel):
     quote_filename: str
     segments: list[tuple[float, float]]
@@ -50,9 +53,11 @@ def download_file(news_name: str, quote_filename: str, new_filename: str = "sour
 
 
 @app.post("/cut-audio")
-async def cut_audio(request: CutRequest = Body(...)):
+async def cut_audio(request: CutRequestInput):
     try:
-        cut_request = request
+        data = json.loads(request.data)
+
+        cut_request = CutRequest(**data)
 
         download_file(cut_request.news_name, cut_request.quote_filename)
         for i, segment in enumerate(cut_request.segments):
@@ -75,6 +80,8 @@ async def cut_audio(request: CutRequest = Body(...)):
 
         return {"message": "Audio cut successfully"}
     
+    except json.JSONDecodeError as e:
+        raise HTTPException(status_code=400, detail=f"Invalid JSON: {str(e)}")
     except ValueError as e:
         raise HTTPException(status_code=422, detail=str(e))