6989ade3e2
1. 分销规则： - 链接带ID绑定推荐关系 - 一级分销 + 30天有效期 - 客户抢夺机制（过期可被抢走） - 90%收益归分发者 2. 新增统计数据： - 绑定用户数 - 链接进入人数 - 带来付款人数 3. 微信支付： - 添加点击反馈 - 优化支付流程日志 - 改善错误提示 4. 分销中心UI优化
270 lines
7.7 KiB
TypeScript
270 lines
7.7 KiB
TypeScript
/**
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* 小程序支付回调通知处理
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* 微信支付成功后会调用此接口
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*
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* 分销规则：
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* - 约90%给分发者（可在system_config配置）
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* - 一级分销，只算直接推荐人
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*/
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import { NextResponse } from 'next/server'
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import crypto from 'crypto'
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import { query, getConfig } from '@/lib/db'
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const WECHAT_PAY_CONFIG = {
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appId: 'wxb8bbb2b10dec74aa',
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mchId: '1318592501',
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mchKey: 'wx3e31b068be59ddc131b068be59ddc2',
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}
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// 默认分成比例（90%给推广者）
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const DEFAULT_DISTRIBUTOR_SHARE = 0.9
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// 生成签名
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function generateSign(params: Record<string, string>, key: string): string {
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const sortedKeys = Object.keys(params).sort()
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const signString = sortedKeys
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.filter((k) => params[k] && k !== 'sign')
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.map((k) => `${k}=${params[k]}`)
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.join('&')
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const signWithKey = `${signString}&key=${key}`
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return crypto.createHash('md5').update(signWithKey, 'utf8').digest('hex').toUpperCase()
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}
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// 验证签名
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function verifySign(params: Record<string, string>, key: string): boolean {
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const receivedSign = params.sign
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if (!receivedSign) return false
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const data = { ...params }
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delete data.sign
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const calculatedSign = generateSign(data, key)
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return receivedSign === calculatedSign
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}
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// XML转对象
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function xmlToDict(xml: string): Record<string, string> {
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const result: Record<string, string> = {}
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const regex = /<(\w+)><!\[CDATA\[(.*?)\]\]><\/\1>/g
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let match
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while ((match = regex.exec(xml)) !== null) {
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result[match[1]] = match[2]
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}
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const simpleRegex = /<(\w+)>([^<]*)<\/\1>/g
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while ((match = simpleRegex.exec(xml)) !== null) {
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if (!result[match[1]]) {
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result[match[1]] = match[2]
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}
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}
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return result
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}
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// 成功响应
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const SUCCESS_RESPONSE = `<xml>
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<return_code><![CDATA[SUCCESS]]></return_code>
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<return_msg><![CDATA[OK]]></return_msg>
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</xml>`
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// 失败响应
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const FAIL_RESPONSE = `<xml>
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<return_code><![CDATA[FAIL]]></return_code>
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<return_msg><![CDATA[ERROR]]></return_msg>
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</xml>`
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/**
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* POST - 接收微信支付回调
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*/
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export async function POST(request: Request) {
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try {
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const xmlData = await request.text()
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console.log('[PayNotify] 收到支付回调')
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const data = xmlToDict(xmlData)
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// 验证签名
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if (!verifySign(data, WECHAT_PAY_CONFIG.mchKey)) {
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console.error('[PayNotify] 签名验证失败')
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return new Response(FAIL_RESPONSE, {
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headers: { 'Content-Type': 'application/xml' }
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})
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}
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// 检查支付结果
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if (data.return_code !== 'SUCCESS' || data.result_code !== 'SUCCESS') {
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console.log('[PayNotify] 支付未成功:', data.err_code, data.err_code_des)
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return new Response(SUCCESS_RESPONSE, {
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headers: { 'Content-Type': 'application/xml' }
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})
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}
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const orderSn = data.out_trade_no
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const transactionId = data.transaction_id
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const totalFee = parseInt(data.total_fee || '0', 10)
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const totalAmount = totalFee / 100 // 转为元
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const openId = data.openid
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console.log('[PayNotify] 支付成功:', {
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orderSn,
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transactionId,
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totalFee,
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openId: openId?.slice(0, 10) + '...',
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})
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// 解析附加数据
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let attach: Record<string, string> = {}
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if (data.attach) {
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try {
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attach = JSON.parse(data.attach)
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} catch (e) {
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// 忽略解析错误
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}
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}
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const { productType, productId, userId } = attach
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// 1. 更新订单状态为已支付
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try {
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await query(`
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UPDATE orders
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SET status = 'paid',
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transaction_id = ?,
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pay_time = CURRENT_TIMESTAMP
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WHERE order_sn = ? AND status = 'pending'
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`, [transactionId, orderSn])
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console.log('[PayNotify] 订单状态已更新:', orderSn)
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} catch (e) {
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console.error('[PayNotify] 更新订单状态失败:', e)
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}
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// 2. 获取用户信息
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let buyerUserId = userId
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if (!buyerUserId && openId) {
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try {
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const users = await query('SELECT id FROM users WHERE open_id = ?', [openId]) as any[]
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if (users.length > 0) {
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buyerUserId = users[0].id
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}
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} catch (e) {
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console.error('[PayNotify] 获取用户信息失败:', e)
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}
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}
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// 3. 更新用户购买记录
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if (buyerUserId) {
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try {
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if (productType === 'fullbook') {
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// 全书购买
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await query('UPDATE users SET has_full_book = TRUE WHERE id = ?', [buyerUserId])
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console.log('[PayNotify] 用户已购全书:', buyerUserId)
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} else if (productType === 'section' && productId) {
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// 单章购买
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await query(`
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UPDATE users
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SET purchased_sections = JSON_ARRAY_APPEND(
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COALESCE(purchased_sections, '[]'),
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'$', ?
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)
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WHERE id = ? AND NOT JSON_CONTAINS(COALESCE(purchased_sections, '[]'), ?)
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`, [productId, buyerUserId, JSON.stringify(productId)])
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console.log('[PayNotify] 用户已购章节:', buyerUserId, productId)
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}
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} catch (e) {
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console.error('[PayNotify] 更新用户购买记录失败:', e)
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}
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// 4. 处理分销佣金（90%给推广者）
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await processReferralCommission(buyerUserId, totalAmount, orderSn)
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}
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console.log('[PayNotify] 订单处理完成:', {
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orderSn,
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productType,
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productId,
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userId: buyerUserId,
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})
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// 返回成功响应给微信
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return new Response(SUCCESS_RESPONSE, {
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headers: { 'Content-Type': 'application/xml' }
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})
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} catch (error) {
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console.error('[PayNotify] 处理回调失败:', error)
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return new Response(FAIL_RESPONSE, {
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headers: { 'Content-Type': 'application/xml' }
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})
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}
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}
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/**
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* 处理分销佣金
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* 规则：约90%给分发者（一级分销）
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*/
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async function processReferralCommission(buyerUserId: string, amount: number, orderSn: string) {
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try {
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// 获取分成配置
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let distributorShare = DEFAULT_DISTRIBUTOR_SHARE
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try {
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const config = await getConfig('referral_config')
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if (config?.distributorShare) {
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distributorShare = config.distributorShare / 100
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}
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} catch (e) { /* 使用默认配置 */ }
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// 查找有效的推广绑定关系
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const bindings = await query(`
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SELECT rb.id, rb.referrer_id, rb.referee_id, rb.expiry_date, rb.status
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FROM referral_bindings rb
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WHERE rb.referee_id = ?
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AND rb.status = 'active'
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AND rb.expiry_date > NOW()
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ORDER BY rb.binding_date DESC
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LIMIT 1
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`, [buyerUserId]) as any[]
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if (bindings.length === 0) {
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console.log('[PayNotify] 用户无有效推广绑定，跳过分佣:', buyerUserId)
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return
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}
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const binding = bindings[0]
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const referrerId = binding.referrer_id
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// 计算佣金（90%）
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const commission = Math.round(amount * distributorShare * 100) / 100
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console.log('[PayNotify] 处理分佣:', {
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referrerId,
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buyerUserId,
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amount,
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commission,
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shareRate: `${distributorShare * 100}%`
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})
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// 更新推广者的待结算收益
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await query(`
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UPDATE users
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SET pending_earnings = pending_earnings + ?
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WHERE id = ?
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`, [commission, referrerId])
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// 更新绑定记录状态为已转化
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await query(`
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UPDATE referral_bindings
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SET status = 'converted',
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conversion_date = CURRENT_TIMESTAMP,
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commission_amount = ?,
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order_id = (SELECT id FROM orders WHERE order_sn = ? LIMIT 1)
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WHERE id = ?
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`, [commission, orderSn, binding.id])
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console.log('[PayNotify] 分佣完成: 推广者', referrerId, '获得', commission, '元')
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} catch (error) {
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console.error('[PayNotify] 处理分佣失败:', error)
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// 分佣失败不影响主流程
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}
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}
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