76 lines
1.7 KiB
JavaScript
76 lines
1.7 KiB
JavaScript
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const requestUtil = require('./request')
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let pending = null
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function deviceId() {
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let id = wx.getStorageSync('deviceId')
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if (!id) {
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id = Date.now().toString(36) + Math.random().toString(36).slice(2, 8)
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wx.setStorageSync('deviceId', id)
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}
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return id
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}
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function captureSharer(query) {
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if (!query || !query.sharer) return
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const selfId = wx.getStorageSync('openid')
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if (query.sharer !== selfId) wx.setStorageSync('sharer', query.sharer)
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}
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function login() {
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return new Promise((resolve, reject) => {
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wx.login({
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success(res) {
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if (!res.code) {
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reject(new Error('微信登录未返回 code'))
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return
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}
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requestUtil
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.request({
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url: '/api/login',
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method: 'POST',
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data: { code: res.code, deviceId: deviceId() }
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})
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.then((data) => {
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wx.setStorageSync('token', data.token)
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wx.setStorageSync('openid', data.openid)
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wx.setStorageSync('loginDemo', !!data.demo)
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resolve(data)
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})
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.catch(reject)
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},
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fail() {
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reject(new Error('微信登录失败'))
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}
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})
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})
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}
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function ensureLogin() {
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if (wx.getStorageSync('token')) {
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return Promise.resolve({
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token: wx.getStorageSync('token'),
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openid: wx.getStorageSync('openid')
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})
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}
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if (!pending) {
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pending = login().finally(() => {
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pending = null
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})
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}
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return pending
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}
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function sourceSharer() {
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const sharer = wx.getStorageSync('sharer') || ''
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const openid = wx.getStorageSync('openid') || ''
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if (!sharer || sharer === openid) return ''
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return sharer
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}
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module.exports = {
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captureSharer: captureSharer,
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ensureLogin: ensureLogin,
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sourceSharer: sourceSharer
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}
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