zhuomi-hui/miniprogram/pages/detail/detail.js

const api = require('../../utils/api')
const authUtil = require('../../utils/auth')
const activityUtil = require('../../utils/activity')

Page({
  data: {
    activity: null,
    failed: false,
    signupOpen: false
  },

  onLoad(query) {
    authUtil.captureSharer(query)
    this.activityId = (query && query.id) || ''
    wx.showShareMenu({ menus: ['shareAppMessage'] })
    this.loadActivity()
  },

  loadActivity() {
    if (!this.activityId) {
      this.setData({ failed: true })
      return
    }
    api
      .activity(this.activityId)
      .then((activity) => {
        this.setData({ activity: activity, failed: false })
        if (activity && activity.title) wx.setNavigationBarTitle({ title: activity.title })
      })
      .catch((error) => {
        this.setData({ failed: true })
        activityUtil.toast(error)
      })
  },

  openMap() {
    activityUtil.openMap(this.data.activity)
  },

  openSignup() {
    if (!this.data.activity || this.data.activity.status === 'past') return
    this.setData({ signupOpen: true })
  },

  closeSignup() {
    this.setData({ signupOpen: false })
  },

  goHome() {
    wx.switchTab({ url: '/pages/index/index' })
  },

  onShareAppMessage() {
    return activityUtil.shareMessage(this.data.activity, this.activityId)
  }
})