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

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

Page({
  data: {
    activity: fallback.CURRENT,
    signupOpen: false
  },

  onLoad(query) {
    authUtil.captureSharer(query)
    wx.showShareMenu({ menus: ['shareAppMessage'] })
  },

  onShow() {
    this.loadActivity()
  },

  onPullDownRefresh() {
    this.loadActivity().then(() => wx.stopPullDownRefresh())
  },

  loadActivity() {
    return api
      .currentActivity()
      .then((activity) => {
        if (activity) this.setData({ activity: activity })
      })
      .catch(() => {})
  },

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

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

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

  goPast() {
    wx.switchTab({ url: '/pages/past/past' })
  },

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