non-building checkpoint 1

2026-01-03 11:18:56 -07:00
parent 9c64cb0c2f
commit 81ea22eae9
37 changed files with 4804 additions and 275 deletions
--- a/backend/app/core/exception_handlers.py
+++ b/backend/app/core/exception_handlers.py
@@ -0,0 +1,130 @@
+"""
+Exception handlers for the application.
+"""
+
+import logging
+from typing import Any, Dict
+from fastapi import FastAPI, Request, status
+from fastapi.responses import JSONResponse
+from fastapi.exceptions import RequestValidationError
+from pydantic import ValidationError as PydanticValidationError
+
+from app.core.exceptions import DailyJournalPromptException
+from app.core.logging import setup_logging
+
+logger = setup_logging()
+
+
+def setup_exception_handlers(app: FastAPI) -> None:
+    """Set up exception handlers for the FastAPI application."""
+
+    @app.exception_handler(DailyJournalPromptException)
+    async def daily_journal_prompt_exception_handler(
+        request: Request,
+        exc: DailyJournalPromptException,
+    ) -> JSONResponse:
+        """Handle DailyJournalPromptException."""
+        logger.error(f"DailyJournalPromptException: {exc.detail}")
+        return JSONResponse(
+            status_code=exc.status_code,
+            content={
+                "error": {
+                    "type": exc.__class__.__name__,
+                    "message": str(exc.detail),
+                    "status_code": exc.status_code,
+                }
+            },
+        )
+
+    @app.exception_handler(RequestValidationError)
+    async def request_validation_exception_handler(
+        request: Request,
+        exc: RequestValidationError,
+    ) -> JSONResponse:
+        """Handle request validation errors."""
+        logger.warning(f"RequestValidationError: {exc.errors()}")
+        return JSONResponse(
+            status_code=status.HTTP_422_UNPROCESSABLE_ENTITY,
+            content={
+                "error": {
+                    "type": "ValidationError",
+                    "message": "Invalid request data",
+                    "details": exc.errors(),
+                    "status_code": status.HTTP_422_UNPROCESSABLE_ENTITY,
+                }
+            },
+        )
+
+    @app.exception_handler(PydanticValidationError)
+    async def pydantic_validation_exception_handler(
+        request: Request,
+        exc: PydanticValidationError,
+    ) -> JSONResponse:
+        """Handle Pydantic validation errors."""
+        logger.warning(f"PydanticValidationError: {exc.errors()}")
+        return JSONResponse(
+            status_code=status.HTTP_422_UNPROCESSABLE_ENTITY,
+            content={
+                "error": {
+                    "type": "ValidationError",
+                    "message": "Invalid data format",
+                    "details": exc.errors(),
+                    "status_code": status.HTTP_422_UNPROCESSABLE_ENTITY,
+                }
+            },
+        )
+
+    @app.exception_handler(Exception)
+    async def generic_exception_handler(
+        request: Request,
+        exc: Exception,
+    ) -> JSONResponse:
+        """Handle all other exceptions."""
+        logger.exception(f"Unhandled exception: {exc}")
+        return JSONResponse(
+            status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
+            content={
+                "error": {
+                    "type": "InternalServerError",
+                    "message": "An unexpected error occurred",
+                    "status_code": status.HTTP_500_INTERNAL_SERVER_ERROR,
+                }
+            },
+        )
+
+    @app.exception_handler(404)
+    async def not_found_exception_handler(
+        request: Request,
+        exc: Exception,
+    ) -> JSONResponse:
+        """Handle 404 Not Found errors."""
+        logger.warning(f"404 Not Found: {request.url}")
+        return JSONResponse(
+            status_code=status.HTTP_404_NOT_FOUND,
+            content={
+                "error": {
+                    "type": "NotFoundError",
+                    "message": f"Resource not found: {request.url}",
+                    "status_code": status.HTTP_404_NOT_FOUND,
+                }
+            },
+        )
+
+    @app.exception_handler(405)
+    async def method_not_allowed_exception_handler(
+        request: Request,
+        exc: Exception,
+    ) -> JSONResponse:
+        """Handle 405 Method Not Allowed errors."""
+        logger.warning(f"405 Method Not Allowed: {request.method} {request.url}")
+        return JSONResponse(
+            status_code=status.HTTP_405_METHOD_NOT_ALLOWED,
+            content={
+                "error": {
+                    "type": "MethodNotAllowedError",
+                    "message": f"Method {request.method} not allowed for {request.url}",
+                    "status_code": status.HTTP_405_METHOD_NOT_ALLOWED,
+                }
+            },
+        )
+