Create errors.py

src/files_api/errors.py

@@ -0,0 +1,45 @@
+import pydantic
+from fastapi import (
+    Request,
+    status,
+)
+from fastapi.responses import JSONResponse
+from loguru import logger
+
+from files_api.monitoring.logger import log_response_info
+
+
+# fastapi docs on middlewares: https://fastapi.tiangolo.com/tutorial/middleware/
+async def handle_broad_exceptions(request: Request, call_next):
+    """Handle any exception that goes unhandled by a more specific exception handler."""
+    try:
+        return await call_next(request)
+    except Exception as err:  # pylint: disable=broad-except
+        logger.exception(err)
+        response = JSONResponse(
+            status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
+            content={"detail": "Internal server error"},
+        )
+        log_response_info(response)
+        return response
+
+
+# fastapi docs on error handlers: https://fastapi.tiangolo.com/tutorial/handling-errors/
+# pylint: disable=unused-argument
+async def handle_pydantic_validation_errors(request: Request, exc: pydantic.ValidationError) -> JSONResponse:
+    errors = exc.errors()
+    logger.exception(exc)
+    response = JSONResponse(
+        status_code=status.HTTP_422_UNPROCESSABLE_ENTITY,
+        content={
+            "detail": [
+                {
+                    "msg": error["msg"],
+                    "input": error["input"],
+                }
+                for error in errors
+            ]
+        },
+    )
+    log_response_info(response)
+    return response