优化android 热更新

web/src/services/appUpdates.ts

@@ -18,6 +18,10 @@ interface AppUpdateCheckResponse {
 
 const updateChannel =
   import.meta.env.VITE_APP_UPDATE_CHANNEL?.trim() || 'production'
+const foregroundCheckInterval = 5 * 60 * 1000
+
+let checkInProgress: Promise<void> | undefined
+let lastCheckedAt = 0
 
 function absoluteApiUrl(relativePath: string) {
   const configuredBase = String(http.defaults.baseURL ?? '/api')
@@ -30,14 +34,14 @@ function absoluteApiUrl(relativePath: string) {
   return new URL(relativePath, apiBase).toString()
 }
 
-export async function initializeAppUpdates() {
-  if (!Capacitor.isNativePlatform()) return
+async function checkForAppUpdate() {
+  if (checkInProgress) return checkInProgress
+  if (!navigator.onLine || Date.now() - lastCheckedAt < foregroundCheckInterval) {
+    return
+  }
 
+  checkInProgress = (async () => {
   try {
-    // Only confirm the bundle after Vue has mounted successfully. If a newly
-    // installed bundle cannot reach this point, the native plugin rolls back.
-    await CapacitorUpdater.notifyAppReady()
-
     const platform = Capacitor.getPlatform()
     if (platform !== 'android' && platform !== 'ios') return
 
@@ -68,6 +72,7 @@ export async function initializeAppUpdates() {
       !data.version ||
       !data.downloadUrl ||
       !data.sha256 ||
+      data.version === currentVersion ||
       next?.version === data.version
     ) {
       return
@@ -82,12 +87,39 @@ export async function initializeAppUpdates() {
 
     ElNotification({
       title: `新版本 ${data.version} 已就绪`,
-      message: data.releaseNotes || '更新将在下次启动应用时自动生效。',
+      message:
+        data.releaseNotes || '切换到后台或下次启动应用时将自动启用更新。',
       type: 'success',
       duration: 6000,
     })
   } catch (error) {
     // OTA failure must never stop users from entering the bundled application.
     console.warn('[app-update] update check failed', error)
+  } finally {
+    lastCheckedAt = Date.now()
+    checkInProgress = undefined
   }
+  })()
+
+  return checkInProgress
+}
+
+export async function initializeAppUpdates() {
+  if (!Capacitor.isNativePlatform()) return
+
+  try {
+    // Confirm the bundle before any network request. If a newly installed
+    // bundle cannot reach this point, the native plugin rolls it back.
+    await CapacitorUpdater.notifyAppReady()
+  } catch (error) {
+    // Do not let a native-plugin error prevent the bundled app from starting.
+    console.warn('[app-update] bundle readiness confirmation failed', error)
+  }
+
+  void checkForAppUpdate()
+  window.addEventListener('visibilitychange', () => {
+    if (document.visibilityState === 'visible') {
+      void checkForAppUpdate()
+    }
+  })
 }