Files
banban/mini-program/app/routers/wechat_auth.py
HycJack a22fcafea9 新增小程序后端代码,包括数据库、路由、服务层等。
小程序前后端打通,包括登录、注册、绑定设备、查询绑定信息,修改小朋友名称等功能。
2026-04-13 01:54:57 +08:00

87 lines
2.9 KiB
Python

import logging
from typing import Optional
from fastapi import APIRouter, Depends, HTTPException, Request, status
from pydantic import BaseModel
from sqlalchemy import text
from sqlalchemy.orm import Session
try:
from app.db import get_db
from app.security import create_access_token
except ModuleNotFoundError:
from db import get_db
from security import create_access_token
router = APIRouter(prefix="/auth", tags=["auth"])
logger = logging.getLogger("app.auth")
class LoginRequest(BaseModel):
username: Optional[str] = None
password: Optional[str] = None
code: Optional[str] = None
nickname: Optional[str] = None
avatar_url: Optional[str] = None
class LoginResponse(BaseModel):
access_token: str
expires_in: int
user_id: int
@router.post("/login", response_model=LoginResponse)
def login(
payload: LoginRequest,
request: Request,
db: Session = Depends(get_db),
) -> LoginResponse:
logger.info(f"/auth/login called with code={payload.code[:20] if payload.code else None}...")
identifier = payload.code or payload.username
if not identifier:
raise HTTPException(status_code=400, detail="username or code is required")
with db.begin():
row = (
db.execute(
text("SELECT user_id FROM parents WHERE openid = :openid"),
{"openid": identifier},
).mappings().first()
)
if row:
user_id = int(row["user_id"])
logger.info(f"Existing user found: user_id={user_id}")
if payload.nickname or payload.avatar_url:
db.execute(
text(
"""
UPDATE parents
SET nickname = COALESCE(:nickname, nickname),
avatar_url = COALESCE(:avatar_url, avatar_url)
WHERE user_id = :user_id
"""
),
{"user_id": user_id, "nickname": payload.nickname, "avatar_url": payload.avatar_url},
)
else:
logger.info("Creating new user...")
db.execute(
text(
"INSERT INTO parents (openid, nickname, avatar_url, status) VALUES (:openid, :nickname, :avatar_url, 1)"
),
{"openid": identifier, "nickname": payload.nickname, "avatar_url": payload.avatar_url},
)
user_id = int(db.execute(text("SELECT last_insert_rowid()")).scalar_one())
logger.info(f"New user created: user_id={user_id}")
access_token, expires_in = create_access_token(user_id=user_id)
logger.info(f"Login succeeded: user_id={user_id}, expires_in={expires_in}")
return LoginResponse(access_token=access_token, expires_in=expires_in, user_id=user_id)
@router.post("/logout")
def logout(request: Request):
return {"message": "logged out"}