egbe/view/pages/goods_details/index.js

import { getProductDetail, getProductCode, collectAdd, collectDel, postCartAdd, storeListApi } from '../../api/store.js';
import { getUserInfo, userShare } from '../../api/user.js';
import { getCoupons } from '../../api/api.js';
import { getCartCounts } from '../../api/order.js';
import WxParse from '../../wxParse/wxParse.js';
import util from '../../utils/util.js';
import wxh from '../../utils/wxh.js';
import { CACHE_LONGITUDE, CACHE_LATITUDE } from '../../config.js';
const app = getApp();

Page({

  /**
   * 页面的初始数据
   */
  data: {
    parameter: {
      'navbar': '1',
      'return': '1',
      'title': '商品详情'
    },
    attribute: { 'cartAttr': false },//属性是否打开
    coupon: {
      'coupon': false,
      list: [],
    },
    attr: '请选择',//属性页面提示
    attrValue: '',//已选属性
    animated: false,//购物车动画
    id: 0,//商品id
    replyCount: 0,//总评论数量
    reply: [],//评论列表
    storeInfo: {},//商品详情
    productAttr: [],//组件展示属性
    productValue: [],//系统属性
    couponList: [],   //优惠券
    productSelect: {}, //属性选中规格
    cart_num: 1,//购买数量
    isAuto: false,//没有授权的不会自动授权
    iShidden: true,//是否隐藏授权
    isOpen: false,//是否打开属性组件
    isLog: app.globalData.isLog,//是否登录
    actionSheetHidden: true,
    posterImageStatus: false,
    storeImage: '',//海报产品图
    PromotionCode: '',//二维码图片
    canvasStatus: false,//海报绘图标签
    posterImage: '',//海报路径
    posterbackgd: '/images/posterbackgd.png',
    sharePacket: {
      isState: true,//默认不显示
      priceName: 0,
    },//分销商详细
    uid: 0,//用户uid
    circular: false,
    autoplay: false,
    interval: 3000,
    duration: 500,
    clientHeight: "",
    systemStore: {},//门店信息
    good_list: [],
    isDown: true,
    storeSelfMention: true,
    storeItems: {},
    storeList: [],
    activity:[],
    iSplus:true,
    navH: "",
    navList: [],
    opacity: 0,
    scrollY:0,
    topArr:[],
    toView: '',
    height: 0,
    heightArr: [],
    lock: false,
    scrollTop:0
  },
  returns: function () {
    wx.navigateBack();
  },
  tap: function (e) {
    var id = e.currentTarget.dataset.id;
    var index = e.currentTarget.dataset.index;
    var that = this;
    if (!this.data.good_list.length && id == "past2") {
      id = "past3"
    }
    this.setData({
      toView: id,
      navActive: index,
      lock: true,
      scrollTop:index>0?that.data.topArr[index]-(app.globalData.navHeight/2):that.data.topArr[index]
    });
  },
  scroll: function (e) {
    var that = this, scrollY = e.detail.scrollTop;
    var opacity = scrollY / 200;
    opacity = opacity > 1 ? 1 : opacity;
    that.setData({
      opacity: opacity,
      scrollY: scrollY
    })
    if (that.data.lock) {
      that.setData({
        lock: false
      })
      return;
    }
    for (var i = 0; i < that.data.topArr.length; i++) {
      if (scrollY < that.data.topArr[i]-(app.globalData.navHeight/2) + that.data.heightArr[i]) {
        that.setData({
          navActive: i
        });
        break
      }
    }
  },
  /**
   * 登录后加载
   * 
  */
  onLoadFun: function (e) {
    this.setData({ isLog: true });
    this.getCouponList();
    this.getCartCount();
    this.downloadFilePromotionCode();
    this.getUserInfo();
    this.get_product_collect();
  },
  ChangCouponsClone: function () {
    this.setData({ 'coupon.coupon': false });
  },
  goActivity: function (e) {
    let item = e.currentTarget.dataset.items;
    if (item.type === "1") {
      wx.navigateTo({
        url: `/pages/activity/goods_seckill_details/index?id=${item.id}&time=${item.time}&status=1`
      });
    } else if (item.type === "2") {
      wx.navigateTo({ url:  `/pages/activity/goods_bargain_details/index?id=${item.id}`});
    } else {
      wx.navigateTo({ url:  `/pages/activity/goods_combination_details/index?id=${item.id}`});
    }
  },
    /**
   * 商品详情跳转
   */
  goDetail: function (e) {
    let item = e.currentTarget.dataset.items;
    if (item.activity && item.activity.type === "1") {
      wx.navigateTo({
        url: `/pages/activity/goods_seckill_details/index?id=${item.activity.id}&time=${item.activity.time}&status=1`
      });
    } else if (item.activity && item.activity.type === "2") {
      wx.navigateTo({ url:  `/pages/activity/goods_bargain_details/index?id=${item.activity.id}`});
    } else if (item.activity && item.activity.type === "3") {
      wx.navigateTo({
        url: `/pages/activity/goods_combination_details/index?id=${item.activity.id}`
      });
    } else {
      wx.navigateTo({ url: `/pages/goods_details/index?id=${item.id}` });
    }
  },
  /*
 * 跳转门店列表
 */
  showStoreList: function () {
    wx.navigateTo({
      url: '/pages/goods_details_store/index?go=details'
    })
  },
  /**
   * 获取门店列表数据
  */
  getList: function () {
    let longitude = wx.getStorageSync(CACHE_LONGITUDE); //经度
    let latitude = wx.getStorageSync(CACHE_LATITUDE); //纬度
    let data = {
      latitude: latitude, //纬度
      longitude: longitude, //经度
      page: 1,
      limit: 10
    }
    storeListApi(data).then(res => {
      let list = res.data.list || [];
      this.setData({
        storeList: list,
        storeItems: list[0]
      });
    }).catch(err => {

    })
  },
  /*
  * 获取用户信息
  */
  getUserInfo: function () {
    var that = this;
    getUserInfo().then(res => {
      let isState = true;
      if ((res.data.is_promoter || res.data.statu == 2) && this.data.sharePacket.priceName != 0) {
        isState = false;
      }
      that.setData({
        'sharePacket.isState': isState,
        uid: res.data.uid
      });
    });
  },
  /**
   * 购物车手动填写
   * 
  */
  iptCartNum: function (e) {
    this.setData({
      ['productSelect.cart_num']: e.detail,
      cart_num: e.detail
    });
  },
  /**
   * 购物车数量加和数量减
   * 
  */
  ChangeCartNum: function (e) {
    //是否 加|减
    var changeValue = e.detail;
    //获取当前变动属性
    var productSelect = this.data.productValue[this.data.attrValue];
    //如果没有属性,赋值给商品默认库存
    if (productSelect === undefined && !this.data.productAttr.length) productSelect = this.data.productSelect;
    //不存在不加数量
    if (productSelect === undefined) return;

    if (this.data.cart_num) {
      productSelect.cart_num = this.data.cart_num;
    };
    //提取库存
    var stock = productSelect.stock || 0;
    //设置默认数据
    if (productSelect.cart_num == undefined) productSelect.cart_num = 1;
    //数量+
    if (changeValue) {
      productSelect.cart_num++;
      //大于库存时,等于库存
      if (productSelect.cart_num > stock) productSelect.cart_num = stock ? stock : 1;
      this.setData({
        ['productSelect.cart_num']: productSelect.cart_num,
        cart_num: productSelect.cart_num
      });
    } else {
      //数量减
      productSelect.cart_num--;
      //小于1时,等于1
      if (productSelect.cart_num < 1) productSelect.cart_num = 1;
      this.setData({
        ['productSelect.cart_num']: productSelect.cart_num,
        cart_num: productSelect.cart_num
      });
    }
  },
  /**
   * 属性变动赋值
   * 
  */
  ChangeAttr: function (e) {
    var values = e.detail;
    var productSelect = this.data.productValue[values];
    var storeInfo = this.data.storeInfo;
    this.setData({
      cart_num:1
    })
    if (productSelect) {
      this.setData({
        ["productSelect.image"]: productSelect.image,
        ["productSelect.price"]: productSelect.price,
        ["productSelect.stock"]: productSelect.stock,
        ['productSelect.unique']: productSelect.unique,
        ['productSelect.cart_num']: 1,
        attrValue: values,
        attr: '已选择'
      });
    } else {
      this.setData({
        ["productSelect.image"]: storeInfo.image,
        ["productSelect.price"]: storeInfo.price,
        ["productSelect.stock"]: 0,
        ['productSelect.unique']: '',
        ['productSelect.cart_num']: 1,
        attrValue: '',
        attr: '请选择'
      });
    }
  },
  /**
   * 领取完毕移除当前页面领取过的优惠券展示
  */
  ChangCoupons: function (e) {
    var coupon = e.detail;
    var couponList = util.ArrayRemove(this.data.couponList, 'id', coupon.id);
    this.setData({ couponList: couponList });
  },
  /**
   * 生命周期函数--监听页面加载
   */
  onLoad: function (options) {
    var that = this;
    this.setData({
      navH: app.globalData.navHeight
    });
    //设置商品列表高度
    wx.getSystemInfo({
      success: function (res) {
        that.setData({
          height: res.windowHeight
          //res.windowHeight:获取整个窗口高度为px，*2为rpx；98为头部占据的高度；
        })
      },
    });
    //扫码携带参数处理
    if (options.scene) {
      var value = util.getUrlParams(decodeURIComponent(options.scene));
      if (value.id) options.id = value.id;
      //记录推广人uid
      if (value.pid) app.globalData.spid = value.pid;
    }
    if (!options.id) return app.Tips({ title: '缺少参数无法查看商品' }, { tab: 3, url: 1 });
    this.setData({ id: options.id });
    //记录推广人uid
    if (options.spid) app.globalData.spid = options.spid;
    this.getGoodsDetails();
    this.getList();
  },
  setClientHeight: function () {
    if (!this.data.good_list.length) return;
    var query = wx.createSelectorQuery().in(this);
    query.select("#list0").boundingClientRect();
    var that = this;
    query.exec(function (res) {
      that.setData({
        clientHeight: res[0].height + 20
      });
    });
  },
  infoScroll: function () {
    var that = this, topArr = [], heightArr = [];
    for (var i = 0; i < that.data.navList.length; i++) { //productList
      //获取元素所在位置
      var query = wx.createSelectorQuery().in(this);
      var idView = "#past" + i;
      if (!that.data.good_list.length && i == 2) {
        var idView = "#past" + 3;
      }
      query.select(idView).boundingClientRect();
      query.exec(function (res) {
        var top = res[0].top;
        var height = res[0].height;
        topArr.push(top);
        heightArr.push(height);
        that.setData({
          topArr: topArr,
          heightArr: heightArr
        });
      });
    };
  },
  /**
   * 获取产品详情
   * 
  */
  getGoodsDetails: function () {
    var that = this;
    getProductDetail(that.data.id).then(res => {
      var storeInfo = res.data.storeInfo;
      var good_list = res.data.good_list || [];
      var count = Math.ceil(good_list.length / 6);
      var goodArray = new Array();
      for (var i = 0; i < count; i++) {
        var list = good_list.slice(i * 6, i * 6 + 6);
        if (list.length) goodArray.push({ list: list });
      }
      that.setData({
        storeInfo: storeInfo,
        reply: res.data.reply ? [res.data.reply] : [],
        replyCount: res.data.replyCount,
        description: storeInfo.description,
        replyChance: res.data.replyChance,
        productAttr: res.data.productAttr,
        productValue: res.data.productValue,
        ["sharePacket.priceName"]: res.data.priceName,
        // ['parameter.title']: storeInfo.store_name,
        systemStore: res.data.system_store,
        storeSelfMention: res.data.store_self_mention,
        good_list: goodArray,
        activity:res.data.activity ? res.data.activity : []
      });
      var navList = ['商品', '评价', '详情'];
      if (goodArray.length) {
        navList.splice(2, 0, '推荐')
      }
      that.setData({
        navList: navList
      });
      if (app.globalData.isLog) {
        that.getUserInfo();
      }
      that.downloadFilestoreImage();
      that.DefaultSelect();
      setTimeout(function () {
        that.setClientHeight();
      }, 500);
      setTimeout(function () {
        that.infoScroll();
      }, 500);
      //html转wxml
      WxParse.wxParse('description', 'html', that.data.description, that, 0);
    }).catch(err => {
      //状态异常返回上级页面
      return app.Tips({ title: err.toString() }, { tab: 3, url: 1 });
    })
  },
  goPages: function (e) {
    wx.navigateTo({ url: 'pages/goods_details/index?id=' + e.currentTarget.dataset.id });
  },
  /**
   * 拨打电话
  */
  makePhone: function () {
    wx.makePhoneCall({
      phoneNumber: this.data.systemStore.phone
    })
  },
  /**
   * 打开地图
   * 
  */
  showMaoLocation: function () {
    if (!this.data.systemStore.latitude || !this.data.systemStore.longitude) return app.Tips({ title: '缺少经纬度信息无法查看地图！' });
    wx.openLocation({
      latitude: parseFloat(this.data.systemStore.latitude),
      longitude: parseFloat(this.data.systemStore.longitude),
      scale: 8,
      name: this.data.systemStore.name,
      address: this.data.systemStore.address + this.data.systemStore.detailed_address,
      success: function () {

      },
    });
  },
  /**
   * 默认选中属性
   * 
  */
  DefaultSelect: function () {
    var productAttr = this.data.productAttr, storeInfo = this.data.storeInfo , productValue = this.data.productValue,
    value = [];
    for (var key in productValue) {
      if (productValue[key].stock > 0) {
        value = this.data.productAttr.length ? key.split(",") : [];
        break;
      }
    }
    for (var i = 0, len = productAttr.length; i < len; i++) {
      if (productAttr[i].attr_value[0]) productAttr[i].checked = value[i];
    };
    var productSelect = this.data.productValue[value.sort().join(',')];
    if (productSelect) {
      this.setData({
        ["productSelect.store_name"]: storeInfo.store_name,
        ["productSelect.image"]: productSelect.image,
        ["productSelect.price"]: productSelect.price,
        ["productSelect.stock"]: productSelect.stock,
        ['productSelect.unique']: productSelect.unique,
        ['productSelect.cart_num']: 1,
        attrValue: value,
        attr: '已选择'
      });
    } else {
      this.setData({
        ["productSelect.store_name"]: storeInfo.store_name,
        ["productSelect.image"]: storeInfo.image,
        ["productSelect.price"]: storeInfo.price,
        ["productSelect.stock"]: this.data.productAttr.length ? 0 : storeInfo.stock,
        ['productSelect.unique']: '',
        ['productSelect.cart_num']: 1,
        attrValue: '',
        attr: '请选择'
      });
    }
    this.setData({ productAttr: productAttr, cart_num:1});
  },
  /**
   * 获取是否收藏
  */
  get_product_collect: function () {
    var that = this;
    getProductDetail(that.data.id).then(res => {
      that.setData({ 'storeInfo.userCollect': res.data.storeInfo.userCollect });
    });
  },
  /**
   * 获取优惠券
   * 
  */
  getCouponList() {
    var that = this;
    getCoupons({ page: 1, limit: 10, type: 1, product_id: that.data.id}).then(res => {
      var couponList = [];
      for (var i = 0; i < res.data.length; i++) {
        if (!res.data[i].is_use && couponList.length < 2) couponList.push(res.data[i]);
      }
      that.setData({
        ['coupon.list']: res.data,
        couponList: couponList
      });
    });
  },
  /** 
   * 
   * 
  * 收藏商品
  */
  setCollect: function () {
    if (app.globalData.isLog === false) {
      this.setData({
        isAuto: true,
        iShidden: false,
      });
    } else {
      var that = this;
      if (this.data.storeInfo.userCollect) {
        collectDel(this.data.storeInfo.id).then(res => {
          that.setData({
            ['storeInfo.userCollect']: !that.data.storeInfo.userCollect
          })
        })
      } else {
        collectAdd(this.data.storeInfo.id).then(res => {
          that.setData({
            ['storeInfo.userCollect']: !that.data.storeInfo.userCollect
          })
        })
      }
    }
  },
  /**
   * 打开属性插件
  */
  selecAttr: function () {
    if (app.globalData.isLog === false)
      this.setData({ isAuto: true, iShidden: false })
    else
      this.setData({ 'attribute.cartAttr': true, isOpen: true })
  },
  /**
   * 打开优惠券插件
  */
  coupon: function () {
    if (app.globalData.isLog === false)
      this.setData({ isAuto: true, iShidden: false })
    else {
      this.getCouponList();
      this.setData({ 'coupon.coupon': true })
    }
  },
  onMyEvent: function (e) {
    this.setData({ 'attribute.cartAttr': e.detail.window, isOpen: false });
  },
  /**
   * 打开属性加入购物车
   * 
  */
  joinCart: function (e) {
    //是否登录
    if (app.globalData.isLog === false)
      this.setData({ isAuto: true, iShidden: false, });
    else {
      this.goCat();
    }
  },
  /*
  * 加入购物车
  */
  goCat: function (isPay) {
    var that = this;
    var productSelect = this.data.productValue[this.data.attrValue];
    //打开属性
    if (this.data.attrValue) {
      //默认选中了属性，但是没有打开过属性弹窗还是自动打开让用户查看默认选中的属性
      this.setData({ 'attribute.cartAttr': !this.data.isOpen ? true : false })
    } else {
      if (this.data.isOpen)
        this.setData({ 'attribute.cartAttr': true })
      else
        this.setData({ 'attribute.cartAttr': !this.data.attribute.cartAttr });
    }
    //只有关闭属性弹窗时进行加入购物车
    if (this.data.attribute.cartAttr === true && this.data.isOpen == false) return this.setData({ isOpen: true });
    //如果有属性,没有选择,提示用户选择
    if (this.data.productAttr.length && productSelect === undefined && this.data.isOpen == true) return app.Tips({ title: '请选择属性' });
    if (!that.data.cart_num || parseInt(that.data.cart_num) <= 0) return app.Tips({ title: '请输入购买数量' });
    postCartAdd({
      productId: that.data.id,
      cartNum: that.data.cart_num,
      uniqueId: productSelect !== undefined ? productSelect.unique : '',
      'new': isPay === undefined ? 0 : 1,
    }).then(res => {
      that.setData({ isOpen: false, 'attribute.cartAttr': false });
      if (isPay)
        wx.navigateTo({ url: '/pages/order_confirm/index?cartId=' + res.data.cartId });
      else
        app.Tips({ title: '添加购物车成功', icon: 'success' }, function () {
          that.getCartCount(true);
        });
    }).catch(err => {
      return app.Tips({ title: err });
    });
  },
  /**
   * 获取购物车数量
   * @param boolean 是否展示购物车动画和重置属性
  */
  getCartCount: function (isAnima) {
    var that = this;
    getCartCounts().then(res => {
      that.setData({ CartCount: res.data.count });
      //加入购物车后重置属性
      if (isAnima) {
        that.setData({
          animated: true,
          attrValue: '',
          attr: '请选择',
          ["productSelect.image"]: that.data.storeInfo.image,
          ["productSelect.price"]: that.data.storeInfo.price,
          ["productSelect.stock"]: that.data.storeInfo.stock,
          ['productSelect.unique']: '',
          ['productSelect.cart_num']: 1,
          cart_num:1
        });
        that.selectComponent('#product-window').ResetAttr();
        setTimeout(function () {
          that.setData({
            animated: false
          });
        }, 500);
      }
    });
  },
  /**
   * 立即购买
  */
  goBuy: function (e) {
    if (app.globalData.isLog === false)
      this.setData({ isAuto: true, iShidden: false });
    else
      this.goCat(true);
  },
  /**
   * 分享打开和关闭
   * 
  */
  listenerActionSheet: function () {
    if (app.globalData.isLog === false)
      this.setData({ isAuto: true, iShidden: false });
    else
      this.setData({ actionSheetHidden: !this.data.actionSheetHidden })
  },
  //隐藏海报
  posterImageClose: function () {
    this.setData({ posterImageStatus: false, })
  },
  //替换安全域名
  setDomain: function (url) {
    url = url ? url.toString() : '';
    //本地调试打开,生产请注销
    // return url;
    if (url.indexOf("https://") > -1) return url;
    else return url.replace('http://', 'https://');
  },
  //获取海报产品图
  downloadFilestoreImage: function () {
    var that = this;
    wx.downloadFile({
      url: that.setDomain(that.data.storeInfo.image),
      success: function (res) {
        that.setData({
          storeImage: res.tempFilePath
        })
      },
      fail: function () {
        return app.Tips({ title: '' });
        that.setData({
          storeImage: '',
        })
      },
    });
  },
  /**
   * 获取产品分销二维码
   * @param function successFn 下载完成回调
   * 
  */
  downloadFilePromotionCode: function (successFn) {
    var that = this;
    getProductCode(this.data.id).then(res => {
      wx.downloadFile({
        url: that.setDomain(res.data.code),
        success: function (res) {
          that.setData({ isDown: false });
          if (typeof successFn == 'function')
            successFn && successFn(res.tempFilePath);
          else
            that.setData({ PromotionCode: res.tempFilePath });
        },
        fail: function () {
          that.setData({ isDown: false });
          that.setData({ PromotionCode: '' });
        },
      });
    }).catch(err => {
      that.setData({ isDown: false });
      that.setData({ PromotionCode: '' });
    });
  },
  /**
   * 生成海报
  */
  goPoster: function () {
    var that = this;
    that.setData({ canvasStatus: true });
    var arr2 = [that.data.posterbackgd, that.data.storeImage, that.data.PromotionCode];
    if (that.data.isDown) return app.Tips({ title: '正在下载海报,请稍后再试！' });
    wx.getImageInfo({
      src: that.data.PromotionCode,
      fail: function (res) {
        return app.Tips({ 'title': '小程序二维码需要发布正式版后才能获取到' });
      },
      success() {
        if (arr2[2] == '') {
          //海报二维码不存在则从新下载
          that.downloadFilePromotionCode(function (msgPromotionCode) {
            arr2[2] = msgPromotionCode;
            if (arr2[2] == '') return app.Tips({ title: '海报二维码生成失败！' });
            util.PosterCanvas(arr2, that.data.storeInfo.store_name, that.data.storeInfo.price, function (tempFilePath) {
              that.setData({
                posterImage: tempFilePath,
                posterImageStatus: true,
                canvasStatus: false,
                actionSheetHidden: !that.data.actionSheetHidden
              })
            });
          });
        } else {
          //生成推广海报
          util.PosterCanvas(arr2, that.data.storeInfo.store_name, that.data.storeInfo.price, function (tempFilePath) {
            that.setData({
              posterImage: tempFilePath,
              posterImageStatus: true,
              canvasStatus: false,
              actionSheetHidden: !that.data.actionSheetHidden
            })
          });
        }
      },
    });
  },
  /*
  * 保存到手机相册
  */
  savePosterPath: function () {
    var that = this;
    wx.getSetting({
      success(res) {
        if (!res.authSetting['scope.writePhotosAlbum']) {
          wx.authorize({
            scope: 'scope.writePhotosAlbum',
            success() {
              wx.saveImageToPhotosAlbum({
                filePath: that.data.posterImage,
                success: function (res) {
                  that.posterImageClose();
                  app.Tips({ title: '保存成功', icon: 'success' });
                },
                fail: function (res) {
                  app.Tips({ title: '保存失败' });
                }
              })
            }
          })
        } else {
          wx.saveImageToPhotosAlbum({
            filePath: that.data.posterImage,
            success: function (res) {
              that.posterImageClose();
              app.Tips({ title: '保存成功', icon: 'success' });
            },
            fail: function (res) {
              app.Tips({ title: '保存失败' });
            },
          })
        }
      }
    })
  },
  /**
   * 用户点击右上角分享
   */
  onShareAppMessage: function () {
    var that = this;
    that.setData({ actionSheetHidden: !that.data.actionSheetHidden });
    userShare();
    return {
      title: that.data.storeInfo.store_name || '',
      imageUrl: that.data.storeInfo.image || '',
      path: '/pages/goods_details/index?id=' + that.data.id + '&spid=' + that.data.uid,
    }
  }
})