ssj_book/parents/pages/reservations/reservations.js

// parents/pages/reservations/reservations.js
import { routers, viewImage, sharePage, isFn, getGlobalVal } from '../../../utils/util.js'
import { ToReservation, AlreadyReservation, AddWishBooks } from '../../../utils/api.js'
const { navigateTo, redirectTo, navigateBack } = routers()
const { globalData, hasLibraryService, hasVipService } = getApp()
const { baseImgUrl, qrcodeInvalidToastText } = globalData

Page({

  /**
   * 页面的初始数据
   */
  data: {
    baseImgUrl,
    isLoaded: 0,
    content: '',
    navIndex: 0,
    navList: [
      {
        text: '我要预约',
        list: [],
        nodataArray: {
          text: '暂没有预约书单',
          image: '../../../assets/nodata_3.png',
          hasNodataBtn: 1,
          btnText: '去书库看看'
        }
      },
      {
        text: '已预约',
        list: [],
        nodataArray: {
          text: '暂没有已预约书单',
          image: '../../../assets/nodata_2.png',
          hasNodataBtn: 1,
          btnText: '去书库看看'
        }
      }
    ]
  },

  /**
   * 生命周期函数--监听页面加载
   */
  onLoad: function (options) {
    options.vipId = getGlobalVal('vipId', `vipId_${getGlobalVal('userId')}`) || ''
    options.libId = getGlobalVal('library').id || ''
    this.setData({ options })
    this.getData(res => {
      this.setData({ isLoaded: 1 })
    })
    this.getDataTwo()
  },

  /**
   * 生命周期函数--监听页面初次渲染完成
   */
  onReady: function () {
    const obj = { navigateTo, redirectTo, navigateBack, viewImage }
    for (const i in obj) {
      this[i] = obj[i]
    }
  },

  /**
   * 生命周期函数--监听页面显示
   */
  onShow: function () {

  },

  /**
   * 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 () {
    this.getData(res => {
      wx.stopPullDownRefresh()
    })
  },

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

  },

  /**
   * 用户点击右上角分享
   */
  onShareAppMessage: function () {
    if (isFn(sharePage)) return sharePage()
  },

  /**
   * 获取数据
   */
  getData: function (cb) {
    const continuousFn = { fn: this.getData, param: { ...arguments } }
    if (!hasVipService()) {
      cb && cb()
      return
    }
    if (!hasLibraryService()) {
      cb && cb()
      return
    }
    const { navIndex, navList, options, content } = this.data
    const { vipId, libId } = options
    const Fn = [ToReservation, AlreadyReservation]
    const data = [{ content, libId }, { vipId, libId }]
    Fn[navIndex]({ data: data[navIndex], continuousFn }).then(res => {
      navList[navIndex]['list'] = res.data.list
      if (navIndex == 1) {
        navList[navIndex]['num'] = res.data.list.length
      }
      this.setData({ navList })
      cb && cb()
    }).catch(res => {
      cb && cb()
    })
  },

  /**
   * 获取数据
   */
  getDataTwo: function (cb) {
    const continuousFn = { fn: this.getDataTwo, param: { ...arguments } }
    if (!hasVipService() || !hasLibraryService()) {
      cb && cb()
      return
    }
    const { navList, options } = this.data
    const { vipId, libId } = options
    AlreadyReservation({ data: { vipId, libId }, continuousFn }).then(res => {
      navList[1]['list'] = res.data.list
      this.setData({ navList })
      cb && cb()
    }).catch(res => {
      cb && cb()
    })
  },

  /**
   * 选择导航栏
   */
  selectNavCtl: function (e) {
    const { index } = e.currentTarget.dataset
    const { navIndex, navList } = this.data
    if (navIndex == index) return
    this.setData({ navIndex: index })
    if (index == 0) {
      if (navList[index]['list'].length == 0) {
        this.getData()
      }
    } else if (index == 1) {
      this.getData()
    }
  },

  /**
   * 输入搜索值
   */
  inputSearchCtl: function (e) {
    const { value } = e.detail
    const { content } = this.data
    if (content == value) return
    this.setData({ content: value })
  },

  /**
   * 清除搜索值
   */
  clearSearchCtl: function () {
    this.setData({ content: '' })
  },

  /**
   * 提交搜索值
   */
  submitSearchCtl: function () {
    this.getData()
  },

  /**
   * 预约书籍
   */
  reservationsCtl: function (e) {
    const continuousFn = { fn: this.reservationsCtl, param: { ...arguments } }
    if (!hasVipService() || !hasLibraryService()) return
    const { index } = e.currentTarget.dataset
    const { navIndex, navList, options } = this.data
    const { vipId, libId } = options
    const { isbn13 } = navList[navIndex]['list'][index]
    AddWishBooks({ data: { isbn13, libId, type: 3, vipId }, continuousFn }).then(res => {
      wx.showToast({
        title: '预约成功'
      })
      this.getData()
    })
  },

  /**
   * 没有数据模板按钮触发事件
   */
  nodataBtnCtl: function () {
    redirectTo({ url: 'parents/pages/home/home', zindex: 3 })
  }
})