fix

routes/EeccxRouter.py

@@ -55,7 +55,7 @@ blueprint = Blueprint(__name__.rsplit(".", 1)[-1], __name__)
 s3_manager = S3Manager()
 
 # The function returns a JSON error response with the supplied message and status code.
-def _json_error(message: str, status_code: int = 500) -> Response:
+def _json_error(message: str, status_code: int = 502) -> Response:
 
     # A JSON payload is assembled with status "ERROR" and the provided message.
     payload = json.dumps({"status": "ERROR", "message": message}, ensure_ascii=False)
@@ -290,12 +290,12 @@ def eeccx_pdf(tarif_id: str):
     # The OAuth token is obtained and an error response is returned when token retrieval fails.
     token, err = _get_token()
     if err:
-        return _json_error(err, 500)
+        return _json_error(err, 502)
 
     # The partner API is called and an error response is returned when the API invocation fails.
     api_json, err = _partner_api(token, tarif_id, options)
     if err:
-        return _json_error(err, 500)
+        return _json_error(err, 502)
 
     # The pdf_url variable tries to extract the PCS or PCI PDF link from the partner API response JSON.
     pdf_url = api_json.get("pcsPdf") or api_json.get("pciPdf")
@@ -303,12 +303,12 @@ def eeccx_pdf(tarif_id: str):
     # The following conditional branch returns an error response when no PDF URL is present in the API response.
     if not pdf_url:
         msg = api_json.get("message") or "Keine PDF-URL in der API-Antwort."
-        return _json_error(msg, 500)
+        return _json_error(msg, 502)
 
     # The PDF is downloaded and an error response is returned when the download fails.
     pdf_bytes, err = _download_pdf(pdf_url)
     if err:
-        return _json_error(err, 500)
+        return _json_error(err, 502)
 
     # A unique hash is generated so the temporary file and the S3 object name are collision‑free.
     hash_name = _hash_id_options(tarif_id, options)
@@ -325,7 +325,7 @@ def eeccx_pdf(tarif_id: str):
 
     # The following conditional branch returns an error response when the S3 upload fails.
     if not url:
-        return _json_error(f"Upload zu S3 fehlgeschlagen für key={s3_key}", 500)
+        return _json_error(f"Upload zu S3 fehlgeschlagen für key={s3_key}", 502)
 
     # A JSON response is returned containing the public URL of the uploaded PDF.
     payload = json.dumps({"url": url}, ensure_ascii=False)