ssj_book/president/pages/random_books/random_books.js

// president//pages/random_books/random_books.js
import { routers, viewImage, sharePage, isFn, getGlobalVal } from '../../../utils/util.js'
import { RandomBook, GetBooksTab } from '../../../utils/api.js'
const { navigateTo, redirectTo, navigateBack } = routers()
const { globalData } = getApp()
const { baseImgUrl, thumbnail } = globalData
Page({

  /**
   * 页面的初始数据
   */
  data: {
    screenModel: false,
    submitModel:false,
    isCheck:0,
    title:'',
    classList:[],
    bookList:[],
    numList:[
      {
        text:'100',
        isCheck:''
      },
      {
        text: '120',
        isCheck: ''
      },
      {
        text: '150',
        isCheck: ''
      },
      {
        text: '',
        isCheck: ''
      },
    ]
  },

  /**
   * 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('list').length > 0 ? getGlobalVal('list')[0].libId : ''
    this.setData(options)
  },

  /**
   * 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 () {
    this.getBooksTab()
  },

  /**
   * 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 () {

  },

  /**
   * 用户点击右上角分享
   */
  onShareAppMessage: function () {

  },
  /**
   * 提示框隐藏
   */
  screenShowModel: function () {
    this.setData({ screenModel: false,submitModel:false })
  },
  /**
   * 筛选
   */
  getScreen: function () {
    this.setData({ screenModel: true })
  },
  /**
   * 筛选
   */
  getBooksTab: function () {
    const continuousFn = { fn: this.subtractionBook, param: { ...arguments } }
    const { libId } = this.data
    GetBooksTab({ data: { libId }, continuousFn }).then(res => {
      const { gradeList, themeList } = res.data;
      this.setData({ gradeList, themeList })
    })
  },
  /**
   * 随机调书
   */
  submitBook:function(){
    const { bookSize, bookList, classList } = this.data
    if (!bookSize) {
      wx.showToast({
        title: `请填写数量`,
        icon:'none'
      })
      return
    }
    // if (classList.length == 0) {
    //   wx.showToast({
    //     title: `请选择年级`,
    //     icon: 'none'
    //   })
    //   return
    // }
    // if (bookList.length == 0) {
    //   wx.showToast({
    //     title: `请选择主题`,
    //     icon: 'none'
    //   })
    //   return
    // }
    this.setData({ submitModel: true })
  },
  /**
   * 选择书本数量
   */
  selectNum:function(e){
    const { index } = e.currentTarget.dataset
    const { numList } = this.data
    const temp = {}
    for (var i in numList) {
      temp[`numList[${i}].isCheck`] = ''
    }
    temp[`numList[${index}].isCheck`] = numList[index].isCheck == "" ? "active" : ''
    this.setData(temp)
    for (var i in numList) {
      if (numList[i].isCheck == 'active') {
        this.setData({ bookSize: numList[i].text })
      }
    }
    
  },
  /**
   * 选择年级
   */
  selectGrade: function (e) {
    const { index } = e.currentTarget.dataset
    const { isCheck, gradeList, classList,title } = this.data
    const temp = {}
    temp[`gradeList[${index}].isCheck`] = gradeList[index].isCheck != 1 ? 1 : 0
    this.setData(temp)
    if (gradeList[index].isCheck == 1) {
      this.setData({ title: gradeList[index].grade + ',' + title + '' })
      classList.push({
        grade: gradeList[index].grade
      })
    } else if (gradeList[index].isCheck == 0) {
      for (var i in classList) {
        if (gradeList[index].grade == classList[i].grade) {
          classList.splice(i, 1)
        }
      }
    }
    this.setData({ classList })
  },

  /**
  * 选择主题
  */
  selectTheme: function (e) {
    const { index, key, type } = e.currentTarget.dataset
    const { isCheck, themeList, bookList = [], childList = [],title } = this.data
    const temp = {}
    if (type == 1) {
      temp[`themeList[${index}].isCheck`] = themeList[index].isCheck != 1 ? 1 : 0
      this.setData(temp)
      if (themeList[index].isCheck == 1) {
        this.setData({ title: title + '' + themeList[index].name + ',' })
        bookList.push({
          code: themeList[index].code,
          childList
        })
      } else if (themeList[index].isCheck == 0) {
        for (var i in bookList) {
          if (themeList[index].code == bookList[i].code) {
            bookList.splice(i, 1)
          }
        }
      }

    } else {
      temp[`themeList[${index}].childList[${key}].isCheck`] = themeList[index].childList[key].isCheck != 1 ? 1 : 0
      this.setData(temp)
      for (var i in themeList) {
        for (var j in themeList[i].childList) {
          if (themeList[i].childList[j].isCheck == 1) {
            if (themeList[i].code == themeList[index].code) {
              childList.push({
                code: themeList[i].childList[j].code
              })
            }
            bookList.push({
              code: themeList[i].code,
              childList
            })

          }
        }
      }
    }
    this.setData({ bookList })
    console.log(bookList)
  },
  /**
  * 重置
  */
  getReset: function () {
    const { themeList, gradeList } = this.data
    const temp = {}
    for (var i in gradeList) {
      temp[`gradeList[${i}].isCheck`] = 0
    }
    for (var i in themeList) {
      temp[`themeList[${i}].isCheck`] = 0
      for (var j in themeList[i].childList) {
        temp[`themeList[${i}].childList[${j}].isCheck`] = 0
      }
    }
    this.setData(temp)
    this.setData({ classList: [], bookList: [],title:'' })
  },
  /**
  * 提交
  */
  getSubmit: function () {
    const { themeList, gradeList} = this.data
    this.setData({screenModel: false })
  },
  /**
   * 输入搜索值
   */
  inputSearchCtl: function (e) {
    const { value } = e.detail
    if (value<151){
      this.setData({ bookSize: value })
    }else{
      wx.showToast({
        title: `调书数量不能大于150本`,
        icon:'none'
      })
    }
    
    console.log(value)
  },
  /**
   * 筛选
   */
  getRandomBook: function () {
    const continuousFn = { fn: this.subtractionBook, param: { ...arguments } }
    const { libId, bookSize, bookList, classList } = this.data
    console.log(libId, bookSize, bookList, classList)
    RandomBook({ data: { libId, bookSize, gradeList: classList, themeList: bookList }, continuousFn }).then(res => {
      this.setData({ submitModel: false, classList: [], bookList: [] })
      wx.showToast({
        title: `提交成功`
      })
    })
  },
})