140 lines
4.1 KiB
TypeScript
140 lines
4.1 KiB
TypeScript
import apiManager from '../../utils/api'
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import logger from '../../utils/logger'
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Page({
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data: {
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products: [] as Array<any>,
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userPoints: 0,
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displayUserPoints: '0',
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vipLevel: 0
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},
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async onLoad(options: Record<string, string>) {
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logger.info('Coupon page loaded')
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try {
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const list = await apiManager.getProductList()
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const products = (list || []).map((p: any) => ({
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...p,
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amountYuan: ((p.amount_cents || 0) / 100).toFixed(2)
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}))
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const ptsStr = options?.points || '0'
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const lvlStr = options?.vipLevel || '0'
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const ptsNum = Number(ptsStr) || 0
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const lvlNum = Number(lvlStr) || 0
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const fmt = (n: number) => {
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const s = Math.floor(n).toString()
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return s.replace(/\B(?=(\d{3})+(?!\d))/g, ',')
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}
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this.setData({
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products,
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userPoints: ptsNum,
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displayUserPoints: fmt(ptsNum),
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vipLevel: lvlNum
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})
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} catch (err) {
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logger.error('加载产品列表失败', err)
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wx.showToast({ title: '加载失败', icon: 'none' })
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}
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},
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async handleCouponTap(e: any) {
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try {
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const productId = e?.currentTarget?.dataset?.id
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if (!productId) {
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wx.showToast({ title: '商品信息错误', icon: 'none' })
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return
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}
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const order = await apiManager.createJsapiOrder(productId)
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const prepayId = order?.prepay_id
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const outTradeNo = order?.out_trade_no
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if (!prepayId) {
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wx.showToast({ title: '下单失败', icon: 'none' })
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return
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}
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const pkg = `prepay_id=${prepayId}`
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const timeStamp = order?.timeStamp
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const nonceStr = order?.nonceStr
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const paySign = order?.paySign
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const signType = order?.signType || 'RSA'
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if (timeStamp && nonceStr && paySign) {
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wx.requestPayment({
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timeStamp,
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nonceStr,
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package: pkg,
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signType,
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paySign,
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success: async () => {
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if (outTradeNo) {
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await this.queryPaymentWithRetry(outTradeNo)
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} else {
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wx.showToast({ title: '支付成功', icon: 'success' })
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}
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},
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fail: async (err) => {
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logger.error('支付失败', err)
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if (outTradeNo) {
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await this.queryPaymentWithRetry(outTradeNo)
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} else {
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wx.showToast({ title: '支付失败', icon: 'none' })
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}
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}
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})
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} else {
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wx.showToast({ title: '缺少支付签名参数', icon: 'none' })
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}
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} catch (error) {
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logger.error('发起支付失败', error)
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wx.showToast({ title: '发起支付失败', icon: 'none' })
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}
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}
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,
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async queryPaymentWithRetry(outTradeNo: string, maxAttempts: number = 5) {
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let attempt = 0
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while (attempt < maxAttempts) {
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try {
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const res = await apiManager.getWxpayOrder(outTradeNo)
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const state = res?.trade_state || ''
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if (state === 'SUCCESS') {
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wx.showToast({ title: '支付成功', icon: 'success' })
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this.goBackToProfile()
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return
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}
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if (state === 'USERPAYING' || state === 'NOTPAY' || state === 'PROCESSING') {
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wx.showToast({ title: '支付处理中', icon: 'none' })
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await new Promise(r => setTimeout(r, 800))
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attempt++
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continue
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}
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wx.showToast({ title: '支付失败', icon: 'none' })
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return
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} catch (err) {
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await new Promise(r => setTimeout(r, 800))
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attempt++
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}
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}
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wx.showToast({ title: '查询超时，请稍后重试', icon: 'none' })
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}
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,
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goBackToProfile() {
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try {
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const pages = getCurrentPages()
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let delta = 0
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for (let i = pages.length - 1; i >= 0; i--) {
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const route = pages[i]?.route || ''
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if (route.endsWith('pages/profile/profile')) {
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delta = pages.length - 1 - i
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break
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}
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}
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if (delta > 0) {
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wx.navigateBack({ delta })
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} else {
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wx.reLaunch({ url: '/pages/profile/profile' })
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}
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} catch (e) {
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wx.reLaunch({ url: '/pages/profile/profile' })
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}
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}
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})
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