huiting/miniprogram/pages/activity/activity.js

const app = getApp()

Page({

  /**
   * 页面的初始数据
   */
  data: {
    activityInfo: {},
    activityComment: [],
    like: -1,
    likeEnable: true,
    commentText: ""
  },

  getPublisherInfo: function () {
    wx.navigateTo({
      url: "/pages/publisher/publisher?id=" + this.data.activityInfo.publisherId
    })
  },

  toggleLike: function () {
    if (!this.data.likeEnable) return
    this.setData({
      likeEnable: false
    })
    const db = wx.cloud.database()
    if (this.data.like == 0) {
      db.collection("likeData").add({
        data: {
          type: "message",
          id: this.data.activityInfo._id
        },
        success: function() {
          this.setData({
            like: 1,
            likeEnable: true
          })
          wx.showToast({
            title: "已收藏",
          })
        }.bind(this),
        fail: function() {
          wx.showToast({
            title: "网络错误",
            icon: "none"
          })
        }
      })
    } else {
      db.collection("likeData").where({
        type: "message",
        id: this.data.activityInfo._id
      }).remove({
        success: function() {
          this.setData({
            like: 0,
            likeEnable: true
          })
          wx.showToast({
            title: "已取消收藏",
          })
        }.bind(this),
        fail: function() {
          wx.showToast({
            title: "网络错误",
            icon: "none"
          })
        }
      })
    }
  },

  comment: function () {
    if (this.data.commentText.length < 5) {
      wx.showToast({
        title: "提问字数至少为5",
        icon: "none"
      })
    } else {
      const db = wx.cloud.database()
      db.collection("qaData").where({
        _openid: app.globalData.openId,
        activityId: this.data.activityInfo._id
      }).get({
        success: function (res) {
          console.log(res)
          if (res.data.length >= 10) {
           wx.showToast({
             title: "为防止刷屏，每人每消息至多提问10条",
             icon: "none"
           })
          } else {
            db.collection("qaData").add({
              data: {
                activityId: this.data.activityInfo._id,
                publisherId: this.data.activityInfo.publisherId,
                answer: "",
                answerTime: "",
                question: this.data.commentText,
                questionTime: new Date(),
                rank: ""
              },
              success: function () {
                this.setData({
                  commentText: ""
                })
                wx.showToast({
                  title: "提问成功"
                })
              }.bind(this)
            })
          }
        }.bind(this)
      })
    }
  },

  // 计算时间差
  handleDate: function(date) {
    var now = new Date().getTime()
    var diffValue = now - date.getTime()
    if (diffValue < 0) {
      console.log("时间不同步")
      return "刚刚"
    }
    var result = ""
    var minute = 1000 * 60
    var hour = minute * 60
    var day = hour * 24
    var minC = diffValue / minute
    var hourC = diffValue / hour
    var dayC = diffValue / day
    if (parseInt(dayC) > 30) {
      result += date.getFullYear() + "/" + (date.getMonth() + 1) + "/" + date.getDate()
    } else if (parseInt(dayC) > 1) {
      result += parseInt(dayC) + "天前"
    } else if (parseInt(dayC) == 1) {
      result += "昨天"
    } else if (hourC >= 1) {
      result += parseInt(hourC) + "小时前"
    } else if (minC >= 5) {
      result += parseInt(minC) + "分钟前"
    } else {
      result += "刚刚"
    }
    return result
  },

  /**
   * 生命周期函数--监听页面加载
   */
  onLoad: function (options) {
    wx.showLoading({
      title: "加载中",
    })
    const db = wx.cloud.database()
    const _ = db.command
    db.collection("mainData").doc(options.id).get({
      success: function(res) {
        this.setData({
          activityInfo: res.data
        })
        wx.hideLoading()
      }.bind(this)
    })
    db.collection("qaData").where({
      activityId: options.id,
      answer: _.neq("")
    }).get({
      success: function(res) {
        for (let i = 0; i < res.data.length; i++) {
          if (res.data[i].answerTime != "") {
            res.data[i].time = this.handleDate(res.data[i].answerTime)
          } else {
            res.data[i].time = ""
          }
        }
        this.setData({
          activityComment: res.data
        })
      }.bind(this)
    })
    db.collection("likeData").where({
      type: "message",
      id: options.id
    }).get({
      success: function(res) {
        this.setData({
          like: res.data.length
        })
      }.bind(this)
    })
  },

  /**
   * 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 () {

  },

  /**
   * 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 () {

  }
})