SunjiApplet/pages/coupon/applyShop.js

const card = require('../../utils/card.js');
const util = require('../../utils/util.js');
const app = getApp();
var pageSize = 10;
var firstLoad = true;
var loadMore = function (that) {
  var dataList = that.data.dataList;
  var showLength = dataList.length;
  var totalCount = that.data.totalCount;
  if (!firstLoad && (showLength >= totalCount)) {
    return;
  }
  that.setData({
    hidden: false
  });

  // 当前位置
  wx.getLocation({
    type: 'gcj02', //返回可以用于wx.openLocation的经纬度
    success: function (res) {
      var latitude = res.latitude
      var longitude = res.longitude
      queryShops(that, longitude, latitude);
    },
    fail: function () {
      queryShops(that, "", "", 0, 0);
    }
  });
}

var queryShops = function (that, longitude, latitude) {
  var dataList = that.data.dataList;
  var pageNum = that.data.pageNum;
  var keyword = that.data.inputVal;
  card.getCouponApplyShop(that.data.couponId, pageNum, pageSize, longitude, latitude,"name",keyword, function (res) {
    var resData = res.data;
    if (resData.status == 1) {
      var totalNum = resData.totalCount;
      if (dataList.length >= totalNum) {
        that.setData({
          hidden: true
        });
        return;
      }
      var totalPage = resData.pageCount;
      var shopList = resData.list;
      var shopLength = shopList.length;
      for (var value of shopList) {
        value.distance = (parseFloat(value.distance) / 1000).toFixed(2);
        dataList.push(value);
      }
      pageNum = pageNum + 1;
      that.setData({
        hidden: true,
        totalCount: totalNum,
        totalPage: totalPage,
        pageNum: pageNum,
        dataList: dataList
      });
    } else {
      that.setData({
        hidden: true
      });
    }
  }, function (res) {});
}

Page({
  data: {
    hidden: false,
    pageNum: 1,
    totalPage: 0,
    totalCount: 0,
    dataList: [],
    inputShowed: false,
    inputVal: "",
    inputFlag: 0,
    statusBarHeight: app.statusBarHeight * 2.5,
  },

  onLoad: function (options) {
    if (options.couponId) {
      this.setData({
        couponId: options.couponId
      });
    } else {
      app.showMsg("券id不存在即将返回上一层", "none");
      wx.navigateBack({});
    }
  },
  onShow: function () {
    loadMore(this);
    this.setData({
      color: app.globalData.color
    })
  },
  /**
   * 页面相关事件处理函数--监听用户下拉动作
   */
  onPullDownRefresh: function () {
    wx.showNavigationBarLoading() //在标题栏中显示加载
    loadMore(this);
    wx.hideNavigationBarLoading() //完成停止加载
    wx.stopPullDownRefresh() //停止下拉刷新
  },

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

  onLocation: function (e) {
    var latitude = e.currentTarget.dataset.latitude;
    var longitude = e.currentTarget.dataset.longitude;
    console.error("--------" + latitude + "----" + latitude)
    if (latitude != "" && longitude != "") {
      wx.openLocation({
        latitude: Number(latitude),
        longitude: Number(longitude),
        scale: 28
      })
    } else {
      // 当前位置
      wx.getLocation({
        type: 'gcj02', //返回可以用于wx.openLocation的经纬度
        success: function (res) {
          var latitude = res.latitude
          var longitude = res.longitude
          wx.openLocation({
            latitude: latitude,
            longitude: longitude,
            scale: 28
          })
        }
      });
    }
  },

  showInput: function () {
    this.setData({
      inputShowed: true
    });
  },

  hideInput: function () {
    this.resetSearch();
    this.setData({
      inputVal: "",
      inputShowed: false,
      inputFlag: 0
    });
  },

  clearInput: function () {
    this.resetSearch();
    this.setData({
      inputVal: "",
      inputFlag: 0
    });
  },

  inputTyping: function (e) {
    var inputFlag = 1;
    var inputVal = e.detail.value;
    this.setData({
      inputVal: inputVal,
      inputFlag: inputFlag
    });
    this.resetSearch();
    if (inputVal == "") {
      inputFlag = 0;
      this.setData({
        inputFlag: inputFlag
      });
    }
  },
  resetSearch: function () {
    var inputFlag = this.data.inputFlag;
    if (inputFlag == 1) {
      this.setData({
        hidden: false,
        pageNum: 1,
        totalPage: 0,
        totalCount: 0,
        dataList: []
      });
      loadMore(this);
    }
  },
  phone: function (e) {
    if (e.currentTarget.dataset.phone) {
      wx.makePhoneCall({
        phoneNumber: e.currentTarget.dataset.phone,
      })
    } else {
      app.showMsg("电话不存在", "none")
    }
  }
})