添加自动更新功能

src/composables/useUpdater.ts

@@ -0,0 +1,143 @@
+import { ref } from 'vue'
+import { check } from '@tauri-apps/plugin-updater'
+import { relaunch } from '@tauri-apps/plugin-process'
+import { getVersion } from '@tauri-apps/api/app'
+
+export interface UpdateInfo {
+  version: string
+  date: string | null
+  body: string | null
+}
+
+const IGNORED_VERSION_KEY = 'updater_ignored_version'
+
+export function useUpdater() {
+  const checking = ref(false)
+  const downloading = ref(false)
+  const downloadProgress = ref(0)
+  const updateAvailable = ref(false)
+  const updateInfo = ref<UpdateInfo | null>(null)
+  const currentVersion = ref('')
+  const error = ref('')
+
+  async function getCurrentVersion() {
+    try {
+      currentVersion.value = await getVersion()
+    } catch {
+      currentVersion.value = ''
+    }
+  }
+
+  function getIgnoredVersion(): string {
+    try {
+      return localStorage.getItem(IGNORED_VERSION_KEY) || ''
+    } catch {
+      return ''
+    }
+  }
+
+  function setIgnoredVersion(version: string) {
+    try {
+      localStorage.setItem(IGNORED_VERSION_KEY, version)
+    } catch {}
+  }
+
+  async function checkForUpdate(silent = false): Promise<UpdateInfo | null> {
+    if (checking.value) return null
+    checking.value = true
+    error.value = ''
+    updateAvailable.value = false
+    updateInfo.value = null
+
+    try {
+      await getCurrentVersion()
+      const result = await check()
+
+      if (!result) {
+        if (!silent) error.value = '当前已是最新版本'
+        return null
+      }
+
+      const info: UpdateInfo = {
+        version: result.version,
+        date: result.date ?? null,
+        body: result.body ?? null,
+      }
+
+      const ignored = getIgnoredVersion()
+      if (info.version === ignored) {
+        if (!silent) error.value = '当前已是最新版本'
+        return null
+      }
+
+      updateAvailable.value = true
+      updateInfo.value = info
+      return info
+    } catch (e: any) {
+      if (!silent) error.value = `检查更新失败: ${e}`
+      return null
+    } finally {
+      checking.value = false
+    }
+  }
+
+  async function downloadAndInstall() {
+    if (downloading.value) return
+    downloading.value = true
+    downloadProgress.value = 0
+    error.value = ''
+
+    try {
+      const result = await check()
+      if (!result) {
+        error.value = '未找到可用更新'
+        return
+      }
+
+      let downloaded = 0
+      let contentLength = 0
+      await result.downloadAndInstall((event) => {
+        switch (event.event) {
+          case 'Started':
+            contentLength = event.data.contentLength ?? 0
+            break
+          case 'Progress':
+            downloaded += event.data.chunkLength
+            if (contentLength > 0) {
+              downloadProgress.value = Math.round((downloaded / contentLength) * 100)
+            }
+            break
+          case 'Finished':
+            downloadProgress.value = 100
+            break
+        }
+      })
+
+      await relaunch()
+    } catch (e: any) {
+      error.value = `更新失败: ${e}`
+    } finally {
+      downloading.value = false
+    }
+  }
+
+  function ignoreVersion(version: string) {
+    setIgnoredVersion(version)
+    updateAvailable.value = false
+    updateInfo.value = null
+  }
+
+  return {
+    checking,
+    downloading,
+    downloadProgress,
+    updateAvailable,
+    updateInfo,
+    currentVersion,
+    error,
+    checkForUpdate,
+    downloadAndInstall,
+    ignoreVersion,
+    getCurrentVersion,
+  }
+}