SunjiApplet/pages/order/balance/useCoupon.js

const app = getApp();
Page({
  /**
   * 页面的初始数据
   */
  data: {
    hidden: true,
    money: 0,
    coupon: null,
    list: [],
  },

  /**
   * 生命周期函数--监听页面加载
   */
  onLoad: function(options) {
    this.setData({
      money: options.money,
      list: JSON.parse(options.list),
      color:app.globalData.color
    });
    console.log(options);
  },

  /**
   * 立即使用
   */
  cy_onceUse: function(e) {
    var index = e.currentTarget.dataset.index;
    this.data.coupon = this.data.list[index];
    if(this.data.coupon.cardType=="DISCOUNT" && app.orderTicket.promotionFlag==1){
      wx.showToast({
        title: '折扣券不能同促销商品同时使用',
        icon:'none'
      })
      return ;
    }
    this.setData({
      hidden: false,
    })
    this.cy_checkCouponConsume();
  },


  /**
   * 校验核销优惠券
   */
  cy_checkCouponConsume: function() {
    var that = this;
    var store = wx.getStorageSync("store");
    var coupon = that.data.coupon;


    var params = {
      method: "check.coupon.consume",
      code: coupon.code,
      amount: parseFloat(that.data.money * 100).toFixed(0) ,
      shopNo: store.storeNo,                // app.globalData.shopNo,
      posNo: app.globalData.posNo,
      workerNo: app.globalData.workerNo
    }
    var ignores = [];
    console.log(params);
    app.jsapi.memberApi(app.globalData.memberAppKey, app.globalData.memberAppSecret, app.globalData.memberUrl).ajax(params, ignores,
      function(json) {
        console.log(json);
        that.setData({
          hidden: true,
        })
        var data = json.data;
        if (data.status == 1) {
          var pages = getCurrentPages();
          var prevPage = pages[pages.length - 2];
         if(coupon.cardType=="GIFT"){
           //判断该门店是否有兑换券的商品并且获取改商品的价格
           that.cy_getGiftProductPrice(coupon);
         }else{
          prevPage.cy_selectUseCoupon(coupon);
          wx.navigateBack({

          });
         } 
        } else {
          wx.showToast({
            title: data.errMessage,
            icon: "none"
          })
        }
      },
      function(err) {
        that.setData({
          hidden: true,
        })
        wx.showToast({
          title: '网络异常，优惠券检验失败',
          icon: "none"
        })
      });
  },
  
  cy_getGiftProductPrice:function(coupon){
    var flag=0;
    var gift = JSON.parse(coupon.gift);
    var giftTem=[];
    var giftCount=0;
    var i=0;
    var totalBoxPrice=0;
    if(gift  && gift.length>=1){
      giftCount=gift.length;
      for(var giftItem of gift){
        var productId = giftItem.productId;
        var specId = giftItem.specId;
        var storeId=app.orderTicket.storeId;
        var params = {
          method: "program.productspec.detail",
          productId: productId,
          specId: specId,
          storeId: storeId
        }
        var ignores = [];
        console.log(params);
        app.jsapi.api(app.globalData.appKey, app.globalData.appSecret, app.globalData.serverUrl).ajax(params, ignores,
          function(json) {
            console.log(json);
            var data = json.data;
            if (data.status == 1) {
              if(data.data.listProduct && data.data.listProduct.length>0){
                giftItem.price=data.data.listProduct[0].price
                giftItem.boxPrice=data.data.listProduct[0].boxPrice;
                giftItem.linkUrl=coupon.coverLogo;
                if(data.data.listProduct[0].boxPrice>0){
                  totalBoxPrice+=data.data.listProduct[0].boxPrice*giftItem.num;
                  giftItem.packageFee==data.data.listProduct[0].boxPrice*giftItem.num;
                }
                giftTem.push(giftItem);
                flag++;
              }
            } else {
              wx.showToast({
                title: data.errMessage,
                icon: "none"
              })
            }
            i++;
            if(i==giftCount){
              if(flag==i){
                var pages = getCurrentPages();
                var prevPage = pages[pages.length - 2];
                coupon.gift=JSON.stringify(giftTem);
                coupon.totalBoxPrice=totalBoxPrice;
                console.error("totalBoxPrice",totalBoxPrice)
                prevPage.cy_selectUseCoupon(coupon);
                wx.navigateBack({
                  
                })
              }else{
                wx.showToast({
                  title: '门店没有兑换的商品，暂无法使用',
                  icon: "none"
                })
              }
            
            }
          },
          function(err) {
            wx.showToast({
              title: '网络异常，查询兑换券单价失败',
              icon: "none"
            })
          });  
      }
    }else{
      isSuccess=false
      wx.showToast({
        title: '该兑换券无兑换的商品',
        icon: "none"
      })
      return ;
    }
  }
})