83 lines
2.2 KiB
Python
83 lines
2.2 KiB
Python
"""
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FastAPI Application Handler Module
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This module contains all the handler functions for configuring and setting up the FastAPI application:
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- CORS middleware configuration
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- Exception handlers setup
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- Uvicorn server configuration
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"""
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from fastapi import FastAPI, Request, status
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from fastapi.middleware.cors import CORSMiddleware
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from fastapi.responses import JSONResponse
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from ApiLayers.ErrorHandlers.Exceptions.api_exc import HTTPExceptionApi
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from ApiLayers.Middleware.auth_middleware import (
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RequestTimingMiddleware,
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LoggerTimingMiddleware,
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)
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def setup_cors_middleware(app: FastAPI) -> None:
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"""
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Configure CORS middleware for the application.
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Args:
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app: FastAPI application instance
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"""
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app.add_middleware(
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CORSMiddleware,
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allow_origins=["http://localhost:3000","*"],
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allow_credentials=True,
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allow_methods=["*"],
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allow_headers=["*"],
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)
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async def generic_exception_handler(request: Request, exc: Exception) -> JSONResponse:
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"""
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Handle generic exceptions and return formatted error responses.
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Args:
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request: FastAPI request object
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exc: Exception instance
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Returns:
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JSONResponse: Formatted error response
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"""
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return JSONResponse(
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status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
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content={"detail": "Internal server error", "error_code": "INTERNAL_ERROR"},
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)
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def setup_exception_handlers(app: FastAPI) -> None:
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"""
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Configure custom exception handlers for the application.
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Args:
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app: FastAPI application instance
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"""
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from ApiLayers.ErrorHandlers.ErrorHandlers.api_exc_handler import (
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HTTPExceptionApiHandler,
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)
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custom_exception_handler = HTTPExceptionApiHandler(response_model=JSONResponse)
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app.add_exception_handler(
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HTTPExceptionApi, custom_exception_handler.handle_exception
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)
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app.add_exception_handler(Exception, generic_exception_handler)
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def setup_middleware(app: FastAPI) -> None:
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"""
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Configure all middleware for the application.
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Args:
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app: FastAPI application instance
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"""
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setup_cors_middleware(app)
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app.add_middleware(RequestTimingMiddleware)
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app.add_middleware(LoggerTimingMiddleware)
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setup_exception_handlers(app)
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