Initial clean commit of the project

app/api/v1/endpoints/auth.py

@@ -0,0 +1,54 @@
+from fastapi import APIRouter, HTTPException, status
+from fastapi.responses import JSONResponse
+import httpx
+from loguru import logger
+
+from app.core.config import settings
+from app.api.v1.schemas.auth import TokenRequest, TokenResponse
+
+router = APIRouter()
+
+YANDEX_TOKEN_URL = "https://oauth.yandex.ru/token"
+
+@router.post("/token", response_model=TokenResponse, summary="Обмен кода авторизации на токен доступа")
+async def exchange_code_for_token(request: TokenRequest):
+    """
+    Принимает временный 'code' от фронтенда, обменивает его на 'access_token'
+    у Яндекса и возвращает токен клиенту.
+    """
+    logger.info("Attempting to exchange authorization code for an access token.")
+
+    payload = {
+        'grant_type': 'authorization_code',
+        'code': request.code,
+        'client_id': settings.YANDEX_CLIENT_ID,
+        'client_secret': settings.YANDEX_CLIENT_SECRET
+    }
+
+    try:
+        async with httpx.AsyncClient() as client:
+            response = await client.post(YANDEX_TOKEN_URL, data=payload)
+            response.raise_for_status()  # Вызовет ошибку для статусов 4xx/5xx
+
+            token_data = response.json()
+            logger.success("Successfully received access token from Yandex.")
+
+            # Возвращаем только нужные нам поля
+            return TokenResponse(
+                access_token=token_data.get("access_token"),
+                token_type=token_data.get("token_type", "bearer")
+            )
+
+    except httpx.HTTPStatusError as e:
+        error_details = e.response.json()
+        logger.error(f"Yandex OAuth error: {e.response.status_code} - {error_details}")
+        raise HTTPException(
+            status_code=e.response.status_code,
+            detail=f"Yandex OAuth error: {error_details.get('error_description', 'Unknown error')}"
+        )
+    except Exception as e:
+        logger.opt(exception=True).error("An unexpected error occurred during token exchange.")
+        raise HTTPException(
+            status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
+            detail="An internal server error occurred."
+        )