feat: 支持动态刷新配置

Author: qianmoQ

src-tauri/src/config.rs

@@ -319,11 +319,24 @@ pub fn get_app_config_internal() -> Result<AppConfig, String> {
 }
 
 #[command]
-pub async fn update_app_config(config: AppConfig) -> Result<(), String> {
+pub async fn update_app_config(
+    config: AppConfig,
+    app_handle: tauri::AppHandle,
+) -> Result<(), String> {
+    use tauri::Emitter;
+
     let mut guard = get_config_manager()?;
     if let Some(config_manager) = guard.as_mut() {
         config_manager.config = config;
-        config_manager.save_config()
+        let result = config_manager.save_config();
+
+        // 保存成功后发送配置更新事件
+        if result.is_ok() {
+            app_handle.emit("config-updated", ()).ok();
+            info!("配置已更新，已发送 config-updated 事件");
+        }
+
+        result
     } else {
         Err("配置管理器未初始化".to_string())
     }

src-tauri/src/env_commands.rs

@@ -46,15 +46,9 @@ pub async fn switch_environment_version(
 ) -> Result<(), String> {
     info!("切换 {} 到版本 {}", language, version);
     let manager = env_manager.lock().await;
-    let result = manager.switch_version(&language, &version).await;
-
-    if result.is_ok() {
-        // 发送配置更新事件通知前端刷新配置
-        app_handle.emit("config-updated", ()).ok();
-        info!("已发送配置更新事件");
-    }
-
-    result
+    manager
+        .switch_version(&language, &version, app_handle)
+        .await
 }
 
 #[tauri::command]

src-tauri/src/env_manager.rs

@@ -1,5 +1,5 @@
 use async_trait::async_trait;
-use log::{error, info};
+use log::{error, info, warn};
 use serde::{Deserialize, Serialize};
 use std::collections::HashMap;
 use std::path::PathBuf;
@@ -24,6 +24,7 @@ pub struct EnvironmentInfo {
     pub current_version: Option<String>,
     pub installed_versions: Vec<EnvironmentVersion>,
     pub available_versions: Vec<EnvironmentVersion>,
+    pub error: Option<String>, // 错误信息（如获取可用版本失败）
 }
 
 // 下载进度事件
@@ -67,7 +68,7 @@ pub trait EnvironmentProvider: Send + Sync {
     ) -> Result<String, String>;
 
     // 切换到指定版本
-    async fn switch_version(&self, version: &str) -> Result<(), String>;
+    async fn switch_version(&self, version: &str, app_handle: AppHandle) -> Result<(), String>;
 
     // 获取当前激活的版本
     async fn get_current_version(&self) -> Result<Option<String>, String>;
@@ -105,16 +106,22 @@ impl EnvironmentManager {
 
         let current_version = provider.get_current_version().await.ok().flatten();
         let installed_versions = provider.get_installed_versions().await.unwrap_or_default();
-        let available_versions = provider
-            .fetch_available_versions()
-            .await
-            .unwrap_or_default();
+
+        // 获取可用版本，如果失败也要返回已安装版本，并在错误信息中说明
+        let (available_versions, error) = match provider.fetch_available_versions().await {
+            Ok(versions) => (versions, None),
+            Err(e) => {
+                warn!("获取可用版本失败: {}", e);
+                (vec![], Some(format!("获取可用版本失败: {}", e)))
+            }
+        };
 
         Ok(EnvironmentInfo {
             language: language.to_string(),
             current_version,
             installed_versions,
             available_versions,
+            error,
         })
     }
 
@@ -133,14 +140,19 @@ impl EnvironmentManager {
         provider.download_and_install(version, app_handle).await
     }
 
-    pub async fn switch_version(&self, language: &str, version: &str) -> Result<(), String> {
+    pub async fn switch_version(
+        &self,
+        language: &str,
+        version: &str,
+        app_handle: AppHandle,
+    ) -> Result<(), String> {
         let provider = self
             .providers
             .get(language)
             .ok_or_else(|| format!("暂未支持 {} 语言，请前往 github 提供 issues", language))?;
 
         info!("切换 {} 到版本 {}", language, version);
-        provider.switch_version(version).await
+        provider.switch_version(version, app_handle).await
     }
 
     pub fn get_supported_languages(&self) -> Vec<String> {

src-tauri/src/env_providers/clojure.rs

@@ -594,7 +594,12 @@ impl ClojureEnvironmentProvider {
         Ok(())
     }
 
-    async fn update_plugin_config(&self, version: &str, install_path: &str) -> Result<(), String> {
+    async fn update_plugin_config(
+        &self,
+        version: &str,
+        install_path: &str,
+        app_handle: &AppHandle,
+    ) -> Result<(), String> {
         use crate::config::{get_app_config_internal, update_app_config};
 
         info!(
@@ -616,7 +621,7 @@ impl ClojureEnvironmentProvider {
             }
         }
 
-        update_app_config(config)
+        update_app_config(config, app_handle.clone())
             .await
             .map_err(|e| format!("保存配置失败: {}", e))?;
 
@@ -794,7 +799,7 @@ impl EnvironmentProvider for ClojureEnvironmentProvider {
         // 清理临时解压目录
         std::fs::remove_dir_all(&temp_extract_dir).ok();
 
-        self.update_plugin_config(version, &install_path.to_string_lossy())
+        self.update_plugin_config(version, &install_path.to_string_lossy(), &app_handle)
             .await?;
 
         emit_download_progress(
@@ -810,7 +815,7 @@ impl EnvironmentProvider for ClojureEnvironmentProvider {
         Ok(install_path.to_string_lossy().to_string())
     }
 
-    async fn switch_version(&self, version: &str) -> Result<(), String> {
+    async fn switch_version(&self, version: &str, app_handle: AppHandle) -> Result<(), String> {
         info!("切换 Clojure 版本到 {}", version);
 
         if !self.is_version_installed(version) {
@@ -819,7 +824,7 @@ impl EnvironmentProvider for ClojureEnvironmentProvider {
 
         let install_path = self.get_version_install_path(version);
 
-        self.update_plugin_config(version, &install_path.to_string_lossy())
+        self.update_plugin_config(version, &install_path.to_string_lossy(), &app_handle)
             .await?;
 
         info!("成功切换到 Clojure {}", version);

src-tauri/src/env_providers/scala.rs

@@ -414,7 +414,12 @@ impl ScalaEnvironmentProvider {
     }
 
     // 更新配置以使用新版本
-    async fn update_plugin_config(&self, version: &str, install_path: &str) -> Result<(), String> {
+    async fn update_plugin_config(
+        &self,
+        version: &str,
+        install_path: &str,
+        app_handle: &AppHandle,
+    ) -> Result<(), String> {
         use crate::config::{get_app_config_internal, update_app_config};
 
         info!(
@@ -444,7 +449,7 @@ impl ScalaEnvironmentProvider {
             }
         }
 
-        update_app_config(config)
+        update_app_config(config, app_handle.clone())
             .await
             .map_err(|e| format!("保存配置失败: {}", e))?;
 
@@ -622,7 +627,7 @@ impl EnvironmentProvider for ScalaEnvironmentProvider {
         }
 
         // 更新插件配置
-        self.update_plugin_config(version, &actual_install_path.to_string_lossy())
+        self.update_plugin_config(version, &actual_install_path.to_string_lossy(), &app_handle)
             .await?;
 
         emit_download_progress(
@@ -638,7 +643,7 @@ impl EnvironmentProvider for ScalaEnvironmentProvider {
         Ok(actual_install_path.to_string_lossy().to_string())
     }
 
-    async fn switch_version(&self, version: &str) -> Result<(), String> {
+    async fn switch_version(&self, version: &str, app_handle: AppHandle) -> Result<(), String> {
         info!("切换 Scala 版本到 {}", version);
 
         if !self.is_version_installed(version) {
@@ -659,7 +664,7 @@ impl EnvironmentProvider for ScalaEnvironmentProvider {
             }
         }
 
-        self.update_plugin_config(version, &actual_install_path.to_string_lossy())
+        self.update_plugin_config(version, &actual_install_path.to_string_lossy(), &app_handle)
             .await?;
 
         info!("成功切换到 Scala {}", version);

src/components/setting/EnvironmentManager.vue

@@ -69,8 +69,16 @@
         </div>
       </div>
 
+      <!-- 获取可用版本错误信息 -->
+      <div v-if="environmentInfo?.error" class="mt-6 p-3 bg-yellow-50 dark:bg-yellow-900/20 rounded-lg">
+        <div class="flex items-center space-x-2 text-yellow-600 dark:text-yellow-400">
+          <AlertCircle class="w-5 h-5"/>
+          <span class="text-sm">{{ environmentInfo.error }}</span>
+        </div>
+      </div>
+
       <!-- 可用版本 -->
-      <div class="space-y-2 mt-4">
+      <div v-else class="space-y-2 mt-4">
         <h4 class="text-sm font-semibold text-gray-700 dark:text-gray-300">可下载版本</h4>
 
         <!-- 下载进度 -->
@@ -79,7 +87,8 @@
             <div class="flex items-center space-x-2">
               <svg class="animate-spin h-4 w-4 text-blue-600 dark:text-blue-400" xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24">
                 <circle class="opacity-25" cx="12" cy="12" r="10" stroke="currentColor" stroke-width="4"></circle>
-                <path class="opacity-75" fill="currentColor" d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4zm2 5.291A7.962 7.962 0 014 12H0c0 3.042 1.135 5.824 3 7.938l3-2.647z"></path>
+                <path class="opacity-75" fill="currentColor"
+                      d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4zm2 5.291A7.962 7.962 0 014 12H0c0 3.042 1.135 5.824 3 7.938l3-2.647z"></path>
               </svg>
               <span class="text-sm font-medium text-blue-900 dark:text-blue-100">
                 {{ downloadStatusText }}
@@ -130,7 +139,7 @@
 
 <script setup lang="ts">
 import { computed } from 'vue'
-import { Folder, CheckCircle, AlertCircle, Download } from 'lucide-vue-next'
+import { AlertCircle, CheckCircle, Download, Folder } from 'lucide-vue-next'
 import { useEnvironmentManager } from '../../composables/useEnvironmentManager'
 import Label from '../../ui/Label.vue'
 import Input from '../../ui/Input.vue'
@@ -158,7 +167,9 @@ const {
 
 // 下载状态文本
 const downloadStatusText = computed(() => {
-  if (!downloadProgress.value) return ''
+  if (!downloadProgress.value) {
+    return ''
+  }
 
   switch (downloadProgress.value.status) {
     case 'downloading':
@@ -178,13 +189,17 @@ const downloadStatusText = computed(() => {
 
 // 显示所有可用版本（包括已安装的）
 const availableVersionsToShow = computed(() => {
-  if (!environmentInfo.value) return []
+  if (!environmentInfo.value) {
+    return []
+  }
   return environmentInfo.value.available_versions
 })
 
 // 格式化文件大小
 const formatSize = (bytes: number) => {
-  if (bytes === 0) return '0 B'
+  if (bytes === 0) {
+    return '0 B'
+  }
   const k = 1024
   const sizes = ['B', 'KB', 'MB', 'GB']
   const i = Math.floor(Math.log(bytes) / Math.log(k))

src/composables/useLanguageManager.ts

@@ -1,5 +1,6 @@
-import {ref, type Ref} from 'vue'
+import {ref, type Ref, onMounted, onUnmounted} from 'vue'
 import {invoke} from '@tauri-apps/api/core'
+import {listen} from '@tauri-apps/api/event'
 import {EnvInfo, Language, LanguageInfo} from '../types/app.ts'
 
 export function useLanguageManager(
@@ -194,6 +195,22 @@ export function useLanguageManager(
         }
     }
 
+    // 监听配置更新事件
+    let unlistenConfigUpdate: (() => void) | null = null
+
+    onMounted(async () => {
+        unlistenConfigUpdate = await listen('config-updated', async () => {
+            console.log('收到配置更新事件，重新加载环境信息')
+            await refreshEnvInfo()
+        })
+    })
+
+    onUnmounted(() => {
+        if (unlistenConfigUpdate) {
+            unlistenConfigUpdate()
+        }
+    })
+
     return {
         currentLanguage,
         supportedLanguages,

src/types/app.ts

@@ -73,6 +73,7 @@ export interface EnvironmentInfo
     current_version: string | null
     installed_versions: EnvironmentVersion[]
     available_versions: EnvironmentVersion[]
+    error?: string | null  // 错误信息（如获取可用版本失败）
 }
 
 export interface DownloadProgress