minixyz/pages/confirmOrder/confirmOrder.js

// pages/confirmOrder/confirmOrder.js
const getReq = require('./../../config.js').getReq
import recordSource from '../../utils/recordSource';
import Bundle from '../../utils/Bundle'
let app = getApp()
Page({

  /**
   * 页面的初始数据
   */
  data: {
    goods_id: '',
    ifcart: '',
    num: '',
    datas: {},
    goods_list: [],
    firstLoad: true,
    defaultAddress: null,
    cart_id: '',
    n_goods_list: [],
    freight: 0,
    freight_hash: '',
    fromSource: '',
    available_pred: 0,
    room_bonus: 0,
    full_discount: 0,
    opgoods_discount: 0
  },

  /**
   * 生命周期函数--监听页面加载
   */
  onLoad: function (options) {
    let goods_id = options.goods_id || ''
    let iscart = options.iscart || ''
    let num = options.num || ''
    let cart_id = options.cart_id || ''
    this.setData({
      goods_id,
      ifcart: iscart,
      num,
      cart_id
    })
    this.getDatas(goods_id, iscart, num, cart_id)
  },
  getDatas(goods_id, ifcart, num, cart_id) {
    wx.showLoading({
      title: '加载中',
    })
    var self = this
    let goods_datas = '';
    if (ifcart == 0) {
      goods_datas = goods_id + '|' + num;
    }
    else {
      goods_datas = cart_id;
    }
    let fromSource = recordSource(app, `act=member_buy&op=step_first&curpage=1&cart_id=${goods_datas}&ifcart=${ifcart}&client_type=mini`)
    let params = {
      act: 'member_buy',
      op: 'step_first',
      curpage: 1,
      cart_id: goods_datas,
      ifcart,
      from: fromSource
    }
    
    this.setData({
      fromSource: app.globalData.fromSource
    })

    getReq(params, function (res) {
      wx.hideLoading()
      if (res.code == 200) {
        let datas = res.datas
        let { goods_list, summary, bundling, payinfo } = res.datas
        let { freight_hash, goods_amount, freight, available_pred = 0, user_bonus = 0, room_bonus = 0, full_discount = 0, opgoods_discount = 0 } = payinfo
        let totalPrice = parseFloat((goods_amount + freight - user_bonus - room_bonus - full_discount - opgoods_discount).toFixed(2))

        let n_goods_list = self.getNewGoodsList(goods_list, summary, bundling)
        if (datas.address) {
          let { true_name, mob_phone, area_info, address, address_id, area_id, city_id } = datas.address;
          app.checkDefaultAddress({
            true_name,
            mob_phone,
            area_info,
            address,
            address_id,
            area_id,
            city_id
          })
        }
        self.setData({
          datas,
          freight_hash,
          n_goods_list,
          freight,
          totalPrice,
          firstLoad: false,
          defaultAddress: datas.address,

          available_pred,
          room_bonus,
          full_discount,
          opgoods_discount
        })
      }
      else {
        wx.showToast({
          icon: 'none',
          title: res.message,
          duration: 2000
        })
        app.globalData.fcodeErr = res.message
        wx.navigateBack()
      }
    })
  },
  toPay() {
    if (!this.data.defaultAddress) {
      wx.showToast({
        icon: 'none',
        title: '请填写收货地址',
        duration: 1500
      })
      return
    }
    let goods_id = this.data.goods_id
    let goods_num = this.data.num
    let iscart = this.data.ifcart
    let cart_id = this.data.cart_id

    let vat_hash = this.data.datas['payinfo'].vat_hash
    let offpay_hash = this.data.datas['payinfo'].offpay_hash
    let offpay_hash_batch = this.data.datas['payinfo'].offpay_hash_batch
    let address_id = this.data.defaultAddress.address_id ? this.data.defaultAddress.address_id : this.data.datas['address'].address_id

    let ifcart = cart_id ? 1 : 0
    let cartids = cart_id ? cart_id : (goods_id + '|' + goods_num)
    let params = {
      act: 'member_buy',
      op: 'step_second',
      payment: 'minipay',
      usebonus: 1,
      ifcart,
      cart_id: cartids,
      address_id,
      invoice_id: 0,
      vat_hash,
      offpay_hash,
      offpay_hash_batch
    }
    let options = {
      room_id: 0
    }
    if (this.data.datas['rooms']&&this.data.datas['rooms'].length) {
      options = {
        room_id: this.data.datas['rooms'][0]['room_id']
      }
    }
    params = Object.assign({}, options, params);


    getReq(params, function (res) {
      wx.hideLoading()
      if (res.code == 200) {
        let param = res.datas.param.data
        let pay_sn = res.datas.pay_sn
        wx.requestPayment({
          timeStamp: param.timeStamp,         //时间戳，自1970年以来的秒数
          nonceStr: param.nonceStr, //随机串
          package: param.package,
          signType: param.signType,         //微信签名方式：
          paySign: param.paySign, //微信签名
          success: function (res) {
            wx.reLaunch({
              url: "/pages/index/index"
            })
          },
          fail: function (res) {
            wx.redirectTo({
              url: `/pages/orderPaySn/orderPaySn?pay_sn=${pay_sn}`
            })
          }
        });
      }
      else {
        wx.showToast({
          icon: 'none',
          title: res.message,
          duration: 2000
        })
        app.globalData.fcodeErr = res.message
        setTimeout(() => {
          wx.navigateBack()
        }, 2000);
      }
    })
  },

  getNewGoodsList(goods_list, summary, bundling) {
    let summaryMap = new Map()
    let bundlingMap = new Map()
    summary.map(item => {
      summaryMap.set(item['goods_id'], item)
    })
    if (bundling.length) {
      bundling.map(item => {
        bundlingMap.set(item['bl_id'], item)
      })
    }
    let n_goods_list = new Bundle(goods_list, summaryMap, bundlingMap).createOrders()
    return n_goods_list
  },
  /**
   * 生命周期函数--监听页面初次渲染完成
   */
  onReady: function () {

  },

  /**
   * 生命周期函数--监听页面显示
   */
  onShow: function () {
    if (!this.data.firstLoad) {
      app.setFromSource(this.data.fromSource)
      let self = this
      let defaultAddress = app.globalData.defaultAddress
      
      let { city_id, area_id } = defaultAddress
      let { freight_hash } = self.data
      let params = {
        act: 'member_buy',
        op: 'change_addrex',
        city_id,
        area_id,
        freight_hash
      }
      getReq(params, function(res) {
        if (res.code == 200) {
           let { freight } = res.datas
           let prev_freight = self.data.freight
           let totalPrice = parseFloat((self.data.totalPrice - prev_freight + freight).toFixed(2))
           self.setData({
            totalPrice,
            freight,
            defaultAddress
          })
        }
      })    
    }
  },

  /**
   * 生命周期函数--监听页面隐藏
   */
  onHide: function () {

  },

  /**
   * 生命周期函数--监听页面卸载
   */
  onUnload: function () {

  },

  /**
   * 页面相关事件处理函数--监听用户下拉动作
   */
  onPullDownRefresh: function () {

  },

  /**
   * 页面上拉触底事件的处理函数
   */
  onReachBottom: function () {

  }
})