feat(M08-A): 接入权益和余额下单抵扣

miniapp/pages/room/detail.js

@@ -28,6 +28,10 @@ Page({
     quote: null,
     order: null,
     payment: null,
+    couponGrantId: '',
+    packageHoldingId: '',
+    packageMinutes: '',
+    packageCreditYuan: '',
   },
   onLoad(options) {
     this.setData({
@@ -36,6 +40,18 @@ Page({
     })
   },
 
+  updateBenefitField(event) {
+    const field = event.currentTarget.dataset.field
+    if (!field) return
+    this.setData({
+      [field]: event.detail.value,
+      order: null,
+      payment: null,
+      successMessage: '',
+      errorMessage: '',
+    })
+  },
+
   setDuration(event) {
     this.setData({
       durationMinutes: Number(event.currentTarget.dataset.minutes),
@@ -68,7 +84,9 @@ Page({
       const response = await request('/orders/reserve', { method: 'POST', data: payload })
       this.setData({
         order: response.data,
-        successMessage: '时段已预占，请继续支付',
+        successMessage: response.data.benefitReservation
+          ? '时段已预占，权益已冻结，请继续支付'
+          : '时段已预占，请继续支付',
       })
     })
   },
@@ -126,6 +144,30 @@ Page({
     })
   },
 
+  async createBalancePayment() {
+    if (!this.data.order || !this.data.order.orderId) {
+      this.setData({ errorMessage: '请先预占订单' })
+      return
+    }
+    await this.withRequest(async () => {
+      const response = await request('/payments', {
+        method: 'POST',
+        data: {
+          orderId: this.data.order.orderId,
+          provider: 'BALANCE',
+          clientRequestId: clientRequestId('miniapp-balance'),
+        },
+      })
+      this.setData({
+        payment: {
+          ...response.data,
+          amountText: cents(response.data.amountCents),
+        },
+        successMessage: '余额支付已完成',
+      })
+    })
+  },
+
   async completeTestPayment() {
     if (!this.data.payment || !this.data.payment.paymentId) {
       this.setData({ errorMessage: '请先创建测试支付单' })
@@ -156,6 +198,22 @@ Page({
       startAt: start.toISOString(),
       endAt: isoMinutesAfter(start, this.data.durationMinutes),
       pricingMode: this.data.pricingMode,
+      benefits: this.benefitsPayload(),
+    }
+  },
+
+  benefitsPayload() {
+    const couponGrantId = String(this.data.couponGrantId || '').trim()
+    const packageHoldingId = String(this.data.packageHoldingId || '').trim()
+    if (!couponGrantId && !packageHoldingId) return undefined
+    const packageMinutes = Number(this.data.packageMinutes || 0)
+    const packageCreditCents = Math.round(Number(this.data.packageCreditYuan || 0) * 100)
+    return {
+      couponGrantId: couponGrantId || null,
+      packageHoldingId: packageHoldingId || null,
+      packageMinutes: packageMinutes > 0 ? packageMinutes : 0,
+      packageCreditCents: packageCreditCents > 0 ? packageCreditCents : 0,
+      clientRequestId: clientRequestId('miniapp-benefit'),
     }
   },