Initial commit: svg backend

backend/app/main.py

@@ -0,0 +1,49 @@
+from fastapi import FastAPI, Request
+from fastapi.exceptions import RequestValidationError
+from fastapi.responses import JSONResponse
+
+from app.api.routes import router
+from app.core.config import settings
+
+
+app = FastAPI(
+    title=settings.app_name,
+    version="1.0.0",
+)
+
+
+@app.exception_handler(RequestValidationError)
+async def validation_exception_handler(request: Request, exc: RequestValidationError):
+    errors: list[dict[str, str]] = []
+
+    for item in exc.errors():
+        loc = [str(part) for part in item.get("loc", []) if part not in ("body", "query", "path")]
+        field = ".".join(loc) if loc else "request"
+        message = item.get("msg", "Ошибка валидации")
+        message = message.replace("Value error, ", "")
+        message = message.replace("Value error,", "")
+        errors.append({"field": field, "message": message})
+
+    detail = errors[0]["message"] if errors else "Ошибка валидации запроса"
+
+    return JSONResponse(
+        status_code=422,
+        content={
+            "detail": detail,
+            "errors": errors,
+        },
+    )
+
+
+@app.get("/")
+async def root():
+    return {
+        "service": settings.app_name,
+        "env": settings.app_env,
+        "status": "ok",
+        "port": settings.app_port,
+        "api_prefix": settings.api_v1_prefix,
+    }
+
+
+app.include_router(router)