backend/app/main.py - master - mainframe/Intellectuality_task_manager

backend/app/main.py
102 строки3 KB
Ivan
initial commit
14 апр 2026, 17:18
14 апр 2026, 17:18d3c4609
# path: backend/app/main.py
from fastapi import FastAPI, Request
from fastapi.exceptions import RequestValidationError
from fastapi.middleware.cors import CORSMiddleware
from fastapi.responses import JSONResponse

from app.config import settings
from app.exceptions import AppException
from app.routers.ai import router as ai_router
from app.routers.health import router as health_router
from app.routers.tasks import router as tasks_router

app = FastAPI(
    title=settings.app_title,
    version="1.0.0",
)


app.add_middleware(
    CORSMiddleware,
    allow_origins=["*"] if settings.cors_origins == "*" else settings.cors_origins,
    allow_credentials=True,
    allow_methods=["*"],
    allow_headers=["*"],
)


@app.exception_handler(AppException)
async def app_exception_handler(
    request: Request,
    exc: AppException,
) -> JSONResponse:
    """
    Единая обработка прикладных ошибок.
    """
    return JSONResponse(
        status_code=exc.status_code,
        content={
            "error": {
                "code": exc.code,
                "message": exc.message,
                "details": exc.details,
            }
        },
    )


@app.exception_handler(RequestValidationError)
async def validation_exception_handler(
    request: Request,
    exc: RequestValidationError,
) -> JSONResponse:
    """
    Единая обработка ошибок валидации.
    """
    return JSONResponse(
        status_code=422,
        content={
            "error": {
                "code": "validation_error",
                "message": "Ошибка валидации входных данных.",
                "details": exc.errors(),
            }
        },
    )


@app.exception_handler(Exception)
async def unhandled_exception_handler(
    request: Request,
    exc: Exception,
) -> JSONResponse:
    """
    Единая обработка непредвиденных ошибок.
    """
    return JSONResponse(
        status_code=500,
        content={
            "error": {
                "code": "internal_server_error",
                "message": "Внутренняя ошибка сервера.",
                "details": str(exc),
            }
        },
    )


@app.get("/")
async def root() -> dict:
    """
    Корневой эндпоинт.
    """
    return {
        "service": settings.app_title,
        "version": "1.0.0",
        "api": settings.api_v1_prefix,
    }


app.include_router(health_router)
app.include_router(tasks_router, prefix=settings.api_v1_prefix)
app.include_router(ai_router, prefix=settings.api_v1_prefix)