112 lines
3.5 KiB
Python
112 lines
3.5 KiB
Python
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from flask import Blueprint, request, redirect, url_for, session, jsonify, render_template
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from extensions import db
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from models import Order, User
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from services.alipay_service import AlipayService
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import uuid
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from datetime import datetime
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payment_bp = Blueprint('payment', __name__, url_prefix='/payment')
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# 积分价格配置
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POINTS_PACKAGES = {
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'50': {'points': 50, 'amount': 5.00},
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'200': {'points': 200, 'amount': 20.00},
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'1000': {'points': 1000, 'amount': 100.00},
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'5000': {'points': 5000, 'amount': 500.00},
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}
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@payment_bp.route('/create', methods=['POST'])
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def create_payment():
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if 'user_id' not in session:
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return jsonify({'code': 401, 'msg': '请先登录'}), 401
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package_id = request.form.get('package_id')
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if package_id not in POINTS_PACKAGES:
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return jsonify({'code': 400, 'msg': '无效的套餐'}), 400
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package = POINTS_PACKAGES[package_id]
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user_id = session['user_id']
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# 生成唯一订单号 (时间戳 + 随机位)
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out_trade_no = datetime.now().strftime('%Y%m%d%H%M%S') + str(uuid.uuid4().hex[:6])
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# 创建订单记录
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try:
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order = Order(
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out_trade_no=out_trade_no,
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user_id=user_id,
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amount=package['amount'],
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points=package['points'],
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status='PENDING'
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)
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db.session.add(order)
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db.session.commit()
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except Exception as e:
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db.session.rollback()
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return f"订单创建失败: {str(e)}", 500
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# 获取支付链接
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try:
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alipay_service = AlipayService()
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pay_url = alipay_service.create_order_url(
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out_trade_no=out_trade_no,
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total_amount=package['amount'],
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subject=f"购买{package['points']}积分"
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)
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return redirect(pay_url)
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except Exception as e:
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return f"支付链接生成失败: {str(e)}", 500
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@payment_bp.route('/return')
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def payment_return():
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"""支付成功后的同步跳转页面"""
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data = request.args.to_dict()
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signature = data.pop("sign", None)
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if not signature:
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return "参数错误", 400
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alipay_service = AlipayService()
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success = alipay_service.verify_notify(data, signature)
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out_trade_no = data.get('out_trade_no')
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order = Order.query.filter_by(out_trade_no=out_trade_no).first()
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if success:
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# 同步通知仅用于页面展示，实际业务逻辑在异步通知 notify 中处理
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return render_template('buy.html', success=True, order=order)
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else:
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return "支付验证失败", 400
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@payment_bp.route('/notify', methods=['POST'])
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def payment_notify():
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"""支付宝异步通知"""
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data = request.form.to_dict()
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signature = data.pop("sign", None)
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if not signature:
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return "fail"
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alipay_service = AlipayService()
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success = alipay_service.verify_notify(data, signature)
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if success and data.get('trade_status') in ['TRADE_SUCCESS', 'TRADE_FINISHED']:
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out_trade_no = data.get('out_trade_no')
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trade_no = data.get('trade_no')
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order = Order.query.filter_by(out_trade_no=out_trade_no).first()
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if order and order.status == 'PENDING':
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order.status = 'PAID'
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order.trade_no = trade_no
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order.paid_at = datetime.utcnow()
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# 给用户加积分
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user = User.query.get(order.user_id)
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if user:
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user.points += order.points
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db.session.commit()
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return "success"
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return "fail"
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