TradeMate Dev
2a107a42f3
- New DB models: credit_packages, subscription_plans, user_credits, credit_consumptions, credit_purchases - CreditService: balance, deduct, add_credits, grant_free_trial, history - User API: /api/v1/credits/* (balance/history/packages/purchase/subscribe) - Admin API: /api/v1/admin/credit-* (CRUD packages/plans, user credits, consumptions) - PaymentService.create_credit_order + handle_callback for credit purchases - Credit deduction on: discovery, translate, marketing, ai_chat, followup - Free trial 30 credits on registration - Documentation: docs/CREDIT_SYSTEM.md
464 lines
14 KiB
Python
464 lines
14 KiB
Python
from fastapi import APIRouter, Depends, HTTPException, status, Header, Request
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from fastapi.security import OAuth2PasswordRequestForm
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from sqlalchemy.ext.asyncio import AsyncSession
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from sqlalchemy import select
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from typing import Optional
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import uuid
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from app.database import get_db
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from app.models.user import User
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from app.core.security import hash_password, verify_password, create_access_token, create_refresh_token, decode_token
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from app.core.csrf import require_csrf_token
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from pydantic import BaseModel, EmailStr, field_validator
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from datetime import datetime, timedelta
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from app.services.admin import AdminService
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from app.models.subscription import Subscription
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from app.api.v1.referral import apply_referral
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from app.config import settings
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import logging
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logger = logging.getLogger(__name__)
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router = APIRouter()
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class RegisterRequest(BaseModel):
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phone: str
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password: str
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username: str = ""
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ref_code: str = ""
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class LoginResponse(BaseModel):
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access_token: str
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refresh_token: str
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token_type: str = "bearer"
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user: dict
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class LoginRequest(BaseModel):
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username: str = ""
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phone: str = ""
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password: str
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@field_validator('password')
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@classmethod
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def validate_password(cls, v: str) -> str:
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if len(v) < 6:
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raise ValueError('Password must be at least 6 characters')
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return v
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class RefreshRequest(BaseModel):
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refresh_token: str
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@router.post("/register")
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async def register(
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data: RegisterRequest,
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request: Request,
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db: AsyncSession = Depends(get_db),
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):
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existing = await db.execute(select(User).where(User.phone == data.phone))
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if existing.scalar_one_or_none():
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raise HTTPException(status_code=400, detail="Phone already registered")
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user = User(
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phone=data.phone,
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username=data.username or data.phone,
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password_hash=hash_password(data.password),
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tier="pro",
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)
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db.add(user)
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await db.flush()
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trial_end = datetime.utcnow() + timedelta(days=settings.TRIAL_DAYS)
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sub = Subscription(
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user_id=user.id,
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plan="pro_trial",
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status="active",
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started_at=datetime.utcnow(),
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expires_at=trial_end,
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)
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db.add(sub)
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from app.services.credit import CreditService
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credit_svc = CreditService(db)
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await credit_svc.grant_free_trial(user.id)
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if data.ref_code:
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try:
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from app.api.v1.referral import do_claim_referral
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await do_claim_referral(data.ref_code, str(user.id), db)
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except Exception as e:
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logger.warning(f"Referral claim failed: {e}")
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client_ip = request.client.host if request.client else None
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await AdminService(db).log_usage(str(user.id), "user.register", {"phone": data.phone}, ip=client_ip)
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return {
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"id": str(user.id),
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"phone": user.phone,
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"username": user.username,
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"tier": user.tier,
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"role": user.role,
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}
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@router.post("/login", response_model=LoginResponse)
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async def login(
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data: LoginRequest,
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request: Request,
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db: AsyncSession = Depends(get_db),
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):
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login_id = data.username or data.phone
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if not login_id:
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raise HTTPException(status_code=422, detail="phone required")
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result = await db.execute(
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select(User).where(
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(User.phone == login_id) | (User.username == login_id)
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)
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)
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user = result.scalar_one_or_none()
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if not user or not verify_password(data.password, user.password_hash):
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raise HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail="Invalid credentials",
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)
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client_ip = request.client.host if request.client else None
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await AdminService(db).log_usage(str(user.id), "user.login", {"login_id": login_id}, ip=client_ip)
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if user.tier == "pro":
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sub_result = await db.execute(
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select(Subscription).where(
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Subscription.user_id == user.id,
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Subscription.plan == "pro_trial",
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Subscription.status == "active",
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)
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)
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trial_sub = sub_result.scalar_one_or_none()
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if trial_sub and trial_sub.expires_at and trial_sub.expires_at < datetime.utcnow():
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trial_sub.status = "expired"
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user.tier = "free"
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await db.flush()
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return LoginResponse(
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access_token=create_access_token({"sub": str(user.id), "tier": user.tier, "role": user.role}),
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refresh_token=create_refresh_token({"sub": str(user.id)}),
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user={
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"id": str(user.id),
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"phone": user.phone,
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"username": user.username,
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"tier": user.tier,
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},
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)
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@router.post("/login/guest")
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async def guest_login(request: Request, db: AsyncSession = Depends(get_db)):
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# Rate limiting: max 5 guest logins per IP per 15 minutes
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from app.core.redis import get_redis
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client_ip = request.client.host if request.client else "unknown"
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cache_key = f"guest_login:{client_ip}"
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try:
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redis_client = await get_redis()
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now = int(time.time())
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window = settings.GUEST_LOGIN_WINDOW # 15 minutes
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limit = settings.GUEST_LOGIN_LIMIT
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# Get count of logins in current window
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count = await redis_client.get(cache_key)
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if count and int(count) >= limit:
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raise HTTPException(
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status_code=429,
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detail="Too many guest login attempts. Please try again later or register an account."
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)
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# Increment counter
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pipe = redis_client.pipeline()
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pipe.incr(cache_key)
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pipe.expire(cache_key, window)
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await pipe.execute()
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except HTTPException:
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raise
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except Exception:
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# If Redis is down, proceed without rate limiting
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pass
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guest_id = str(uuid.uuid4())
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access_token = create_access_token(
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{"sub": guest_id, "tier": "guest", "role": "guest", "is_guest": True},
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expires_delta=timedelta(hours=24)
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)
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refresh_token = create_refresh_token({"sub": guest_id, "is_guest": True})
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await AdminService(db).log_usage(guest_id, "user.login_guest", {})
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return LoginResponse(
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access_token=access_token,
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refresh_token=refresh_token,
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token_type="bearer",
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user={
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"id": guest_id,
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"phone": None,
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"username": "游客用户",
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"tier": "guest",
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"is_guest": True,
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},
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)
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@router.post("/refresh")
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async def refresh(data: RefreshRequest):
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payload = decode_token(data.refresh_token)
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if not payload or payload.get("type") != "refresh":
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raise HTTPException(status_code=401, detail="Invalid refresh token")
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# 保留游客/角色等信息
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extra = {}
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if payload.get("is_guest"):
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extra = {"is_guest": True, "tier": "guest", "role": "guest"}
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else:
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extra = {
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"tier": payload.get("tier", "free"),
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"role": payload.get("role", "user"),
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}
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return {
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"access_token": create_access_token({"sub": payload["sub"], **extra}),
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"token_type": "bearer",
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}
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@router.get("/me")
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async def get_me(
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authorization: Optional[str] = Header(None, alias="Authorization"),
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db: AsyncSession = Depends(get_db),
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):
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if not authorization or not authorization.startswith("Bearer "):
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raise HTTPException(status_code=401, detail="Missing token")
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payload = decode_token(authorization[7:])
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if not payload:
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raise HTTPException(status_code=401, detail="Invalid token")
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if payload.get("is_guest"):
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return {
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"id": payload["sub"],
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"phone": None,
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"username": "游客用户",
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"tier": "guest",
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"role": "guest",
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"is_guest": True,
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"settings": {},
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"created_at": None,
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}
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result = await db.execute(select(User).where(User.id == payload["sub"]))
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user = result.scalar_one_or_none()
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if not user:
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raise HTTPException(status_code=404, detail="User not found")
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trial_days_left = 0
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if user.tier == "pro":
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sub_result = await db.execute(
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select(Subscription).where(
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Subscription.user_id == user.id,
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Subscription.plan == "pro_trial",
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Subscription.status == "active",
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)
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)
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trial_sub = sub_result.scalar_one_or_none()
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if trial_sub and trial_sub.expires_at:
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remaining = (trial_sub.expires_at - datetime.utcnow()).days
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trial_days_left = max(0, remaining)
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return {
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"id": str(user.id),
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"phone": user.phone,
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"username": user.username,
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"tier": user.tier,
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"role": user.role,
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"settings": user.settings,
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"created_at": user.created_at.isoformat() if user.created_at else None,
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"trial_days_left": trial_days_left,
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}
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class ProfileUpdate(BaseModel):
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username: str = None
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email: str = None
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class PasswordChange(BaseModel):
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old_password: str
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new_password: str
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class SettingsUpdate(BaseModel):
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preferred_translate_provider: str = None
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reply_tone: str = None
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timezone: str = None
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languages: list = None
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class WeChatLoginRequest(BaseModel):
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code: str
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encrypted_data: str = ""
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iv: str = ""
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@router.put("/me")
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async def update_me(
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data: ProfileUpdate,
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authorization: Optional[str] = Header(None, alias="Authorization"),
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db: AsyncSession = Depends(get_db),
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_csrf: str = Depends(require_csrf_token),
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):
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if not authorization or not authorization.startswith("Bearer "):
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raise HTTPException(status_code=401, detail="Missing token")
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payload = decode_token(authorization[7:])
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if not payload:
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raise HTTPException(status_code=401, detail="Invalid token")
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if payload.get("is_guest"):
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raise HTTPException(status_code=403, detail="Guests cannot update profile")
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result = await db.execute(select(User).where(User.id == payload["sub"]))
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user = result.scalar_one_or_none()
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if not user:
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raise HTTPException(status_code=404, detail="User not found")
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if data.username is not None:
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user.username = data.username
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if data.email is not None:
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user.email = data.email
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await db.flush()
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return {
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"id": str(user.id),
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"phone": user.phone,
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"username": user.username,
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"email": user.email,
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"tier": user.tier,
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"role": user.role,
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}
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@router.put("/password")
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async def change_password(
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data: PasswordChange,
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authorization: Optional[str] = Header(None, alias="Authorization"),
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db: AsyncSession = Depends(get_db),
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_csrf: str = Depends(require_csrf_token),
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):
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if not authorization or not authorization.startswith("Bearer "):
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raise HTTPException(status_code=401, detail="Missing token")
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payload = decode_token(authorization[7:])
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if not payload:
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raise HTTPException(status_code=401, detail="Invalid token")
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if payload.get("is_guest"):
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raise HTTPException(status_code=403, detail="Guests cannot change password")
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result = await db.execute(select(User).where(User.id == payload["sub"]))
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user = result.scalar_one_or_none()
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if not user:
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raise HTTPException(status_code=404, detail="User not found")
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if not verify_password(data.old_password, user.password_hash):
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raise HTTPException(status_code=400, detail="旧密码不正确")
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user.password_hash = hash_password(data.new_password)
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await db.flush()
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return {"message": "密码修改成功"}
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@router.get("/wechat/config")
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async def wechat_config():
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from app.config import settings
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return {
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"available": bool(settings.WECHAT_APP_ID and settings.WECHAT_APP_SECRET),
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"app_id": settings.WECHAT_APP_ID or "",
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}
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@router.post("/wechat-login")
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async def wechat_login(
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data: WeChatLoginRequest,
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request: Request,
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db: AsyncSession = Depends(get_db),
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_csrf: str = Depends(require_csrf_token),
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):
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from app.services.wechat import wechat_service
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session = await wechat_service.code2session(data.code)
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if not session:
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raise HTTPException(status_code=400, detail="WeChat login failed")
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openid = session.get("openid")
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result = await db.execute(select(User).where(User.wechat_openid == openid))
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user = result.scalar_one_or_none()
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is_new = False
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if not user:
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user = User(
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wechat_openid=openid,
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username=f"wx_{openid[-8:]}",
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tier="free",
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)
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db.add(user)
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await db.flush()
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is_new = True
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client_ip = request.client.host if request.client else None
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await AdminService(db).log_usage(str(user.id), "user.wechat_login", {"is_new": is_new}, ip=client_ip)
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return LoginResponse(
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access_token=create_access_token({"sub": str(user.id), "tier": user.tier, "role": user.role}),
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refresh_token=create_refresh_token({"sub": str(user.id)}),
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user={
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"id": str(user.id),
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"phone": user.phone,
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"username": user.username,
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"tier": user.tier,
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"role": user.role,
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},
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)
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@router.patch("/settings")
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async def update_settings(
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data: SettingsUpdate,
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authorization: Optional[str] = Header(None, alias="Authorization"),
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db: AsyncSession = Depends(get_db),
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_csrf: str = Depends(require_csrf_token),
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):
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if not authorization or not authorization.startswith("Bearer "):
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raise HTTPException(status_code=401, detail="Missing token")
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payload = decode_token(authorization[7:])
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if not payload:
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raise HTTPException(status_code=401, detail="Invalid token")
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result = await db.execute(select(User).where(User.id == payload["sub"]))
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user = result.scalar_one_or_none()
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if not user:
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raise HTTPException(status_code=404, detail="User not found")
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settings = user.settings or {}
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for key, value in data.dict(exclude_unset=True).items():
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if value is not None:
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settings[key] = value
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user.settings = settings
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await db.flush()
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return {"settings": user.settings}
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