reader/pages/greeting/index.js

import {
  getMyActivity,
  thumbsUp,
  deleteActivity,
  getShareText,
  playAudioEvent
} from '~/api/activity'
Page({
  /**
   * 页面的初始数据
   */
  data: {
    isMy: false,
    pageNo: 1,
    totalSize: 0,
    list: [],
    uid: '',
    playAudioId: null,
    // 当前音频播放时长
    playTime: '00:00',
    endTime: '00:00',
    vProgress: 0,
    userAudioState: false,
  },

  /**
   * 生命周期函数--监听页面加载
   */
  onLoad(options) {
    this.getMyActivity()
    this.setData({
      uid: wx.getStorageSync('uid')
    })
    this.innerAudioContext = wx.createInnerAudioContext();
    this.innerAudioContext.onTimeUpdate(() => {
      this.setDuration('playTime', this.innerAudioContext.currentTime)
      this.setData({
        vProgress: Math.ceil((Math.ceil(this.innerAudioContext.currentTime) / this.innerAudioContext.duration) * 100)
      })
    })
    this.innerAudioContext.onEnded((res) => {
      this.clearAudio()
    });
  },
  async getMyActivity() {
    let {
      list,
      totalSize
    } = await getMyActivity({
      pageNo: this.data.pageNo,
      pageSize: 6
    })
    list = [...this.data.list, ...list]
    let isMy = false
    if (list.length > 0) {
      isMy = list[0].uid == wx.getStorageSync('uid')
    }
    this.setData({
      list,
      totalSize
    })
  },
  onReachBottom() {
    if (this.data.totalSize > this.data.list.length) {
      this.setData({
        pageNo: this.data.pageNo + 1
      })
      this.getMyActivity()
    }
  },
  async playAudio({
    currentTarget
  }) {
    let item = currentTarget.dataset.item
    if (this.data.userAudioState) {
      if (this.data.playAudioId == item.id) {
        return this.clearAudio()
      }
      this.clearAudio()
    }
    this.innerAudioContext.src = item.audioPath;
    this.innerAudioContext.play();
    this.setDuration('endTime', item.duration)
    this.setData({
      playAudioId: item.id,
      userAudioState: true
    })
    await playAudioEvent(item.id)
  },
  clearAudio() {
    this.setData({
      playAudioId: null,
      userAudioState: false,
      playTime: '00:00',
      endTime: '00:00',
      vProgress: 0,
    })
    this.innerAudioContext.stop();
  },
  delete({
    currentTarget
  }) {
    wx.showModal({
      title: '确认删除吗？',
      content: '作品将被永久删除，无法找回。',
      confirmText: '确认',
      cancelText: '取消',
      success: async (res) => {
        if (res.confirm) {
          await deleteActivity(currentTarget.dataset.id)
          let beforeList = this.data.list.filter(item => {
            return item.id != currentTarget.dataset.id
          })
          this.setData({
            list: beforeList
          })
          wx.showToast({
            title: '删除成功！',
            icon: "none"
          })
          this.clearAudio()
        }
      }
    })
  },
  async setLike({
    currentTarget
  }) {
    if (currentTarget.dataset.item.isLike) {
      return
    }
    let index = currentTarget.dataset.index
    await thumbsUp(currentTarget.dataset.item.id)
    this.setData({
      [`list[${index}].isLike`]: true,
      [`list[${index}].likeAmount`]: ++this.data.list[index].likeAmount
    })
  },
  jump() {
    wx.navigateTo({
      url: '/pages/activityList/index',
    })
  }, // 设置时间文案
  setDuration(label, s) {
    let t = '';
    s = Math.ceil(s);
    if (s > -1) {
      let min = Math.floor(s / 60) % 60;
      let sec = s % 60;
      if (min < 10) {
        t += "0";
      }
      t += min + ":";
      if (sec < 10) {
        t += "0";
      }
      t += sec;
    }

    this.setData({
      [label]: t,
    })
  },
  createActivityImg(imageUrl, cardReadId) {
    return new Promise(async (resolve, reject) => {
      let title = await getShareText({
        cardReadId
      })
      resolve({
        title,
        path: `/pages/greeting/index?&uid=${wx.getStorageSync('uid')}`,
        imageUrl
      })
    })
  },
  onShareAppMessage({
    target,
    from,
  }) {
    if (from == 'button') {
      const promise = new Promise(resolve => {
        this.createActivityImg(target.dataset.item.cardUrl, target.dataset.item.id).then(res => {
          resolve(res)
        })
      })
      return {
        title: '',
        path: `/pages/greeting/index?&uid=${wx.getStorageSync('uid')}`,
        imageUrl: target.dataset.img,
        promise
      }
    } else {
      return {
        title: '课文朗读，从未如此有趣。',
        path: `/pages/index/index?&uid=${wx.getStorageSync('uid')}`,
        imageUrl: 'http://reader-wx.ai160.com/images/reader/v3/shareContent.png'
      }
    }
  },
  onHide() {
    this.clearAudio()
  },
  onUnload() {
    this.clearAudio()
  }
})