first init

core/routers/auth/routes.py

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+# -*- coding = utf-8 -*-
+# @Time : 2025/2/13 下午5:02
+# @File : routes.py
+# @Software : PyCharm
+# @Author : xingc
+# @Desc :
+import logging
+
+import httpx
+from fastapi import APIRouter, HTTPException, Depends
+import redis.asyncio as aioredis
+from sqlalchemy.ext.asyncio import AsyncSession
+
+from . import schema
+from config import settings
+from core.db.engine import get_async_session, get_cache
+from core.db.models import User
+from core.db.crud import CRUD
+
+logger = logging.getLogger(__name__)
+auth_router = APIRouter(prefix='/auth', tags=['认证模块'])
+
+
+async def get_wechat_session(code: str):
+    url = "https://api.weixin.qq.com/sns/jscode2session"
+    params = {
+        "appid": settings.APPID,
+        "secret": settings.APPSECRET,
+        "js_code": code,
+        "grant_type": "authorization_code",
+    }
+    async with httpx.AsyncClient() as client:
+        response = await client.get(url, params=params)
+        if response.status_code != 200:
+            raise HTTPException(status_code=400, detail="Failed to fetch session from WeChat")
+        data = response.json()
+        if "errcode" in data:
+            logger.warning(f"WeChat session error: {data['errcode']}")
+            raise HTTPException(status_code=400, detail=data["errmsg"])
+
+        return data
+
+
+@auth_router.post('/wechat_login')
+async def wechat_login(
+        payload: schema.WechatLoginIn,
+        db_session: AsyncSession = Depends(get_async_session),
+        redis_conn: aioredis.Redis = Depends(get_cache)
+):
+    # 获取微信 session
+    wechat_session = await get_wechat_session(payload.code)
+    logger.info(f"WeChat session: {wechat_session}")
+    openid = wechat_session.get("openid")
+
+    if openid:
+        raise HTTPException(status_code=400, detail="Invalid WeChat session")
+
+    db_crud = CRUD(db_session, User)
+    user = await db_crud.get(filters={'openid': openid})
+    if user is None:
+        # 新用户注册
+        if not payload.encrypted_data or not payload.iv:
+            raise HTTPException(400, detail="需要用户授权信息")
+        # user = await db_crud.create(
+    #     data={
+    #         'wechat_openid': openid,
+    #         'wechat_union_id': union_id,
+    #     },
+    #     filters={'union_id': union_id}
+    # )
+
+    return {'data': {'openid': openid}}