Initial commit

miniprogram/app.ts

@@ -0,0 +1,92 @@
+import { UserProfile, GeoPoint } from './types/index'
+import { getCachedUser, login } from './utils/auth'
+import { CLOUD_ENV, HEARTBEAT_INTERVAL_MS } from './utils/constants'
+import { api } from './utils/api'
+
+App<{
+  userInfo: UserProfile | null
+  isLoggedIn: boolean
+  currentLocation: GeoPoint | null
+  _locationTimer: number | null
+}>({
+  globalData: {
+    userInfo: null,
+    isLoggedIn: false,
+    currentLocation: null,
+    _locationTimer: null,
+  },
+
+  onLaunch() {
+    wx.cloud.init({
+      env: CLOUD_ENV,
+      traceUser: true,
+    })
+
+    const cached = getCachedUser()
+    if (cached) {
+      this.globalData.userInfo = cached
+      this.globalData.isLoggedIn = true
+    }
+
+    this._initLocation()
+  },
+
+  onShow() {
+    this._startLocationHeartbeat()
+  },
+
+  onHide() {
+    this._stopLocationHeartbeat()
+  },
+
+  async _initLogin() {
+    try {
+      const userInfo = await login()
+      this.globalData.userInfo = userInfo
+      this.globalData.isLoggedIn = true
+    } catch (e) {
+      console.error('Login failed', e)
+    }
+  },
+
+  _initLocation() {
+    wx.getLocation({
+      type: 'gcj02',
+      success: res => {
+        this.globalData.currentLocation = {
+          latitude: res.latitude,
+          longitude: res.longitude,
+        }
+        if (this.globalData.isLoggedIn) {
+          api.updateLocation(res.latitude, res.longitude).catch(() => {})
+        }
+      },
+      fail: () => {},
+    })
+  },
+
+  _startLocationHeartbeat() {
+    if (this.globalData._locationTimer) return
+    this.globalData._locationTimer = setInterval(() => {
+      if (!this.globalData.isLoggedIn) return
+      wx.getLocation({
+        type: 'gcj02',
+        success: res => {
+          this.globalData.currentLocation = {
+            latitude: res.latitude,
+            longitude: res.longitude,
+          }
+          api.updateLocation(res.latitude, res.longitude).catch(() => {})
+        },
+        fail: () => {},
+      })
+    }, HEARTBEAT_INTERVAL_MS)
+  },
+
+  _stopLocationHeartbeat() {
+    if (this.globalData._locationTimer) {
+      clearInterval(this.globalData._locationTimer)
+      this.globalData._locationTimer = null
+    }
+  },
+})