完善web缺失的端点

src-tauri/src/web/handlers/system_settings.rs

@@ -2,24 +2,25 @@ use axum::{extract::Extension, Json};
 use tauri::Manager;
 
 use crate::app_error::AppCommandError;
+use crate::commands::system_settings as settings_commands;
 use crate::db::service::app_metadata_service;
 use crate::db::AppDatabase;
 use crate::models::*;
+use crate::network::proxy;
 
 const SYSTEM_PROXY_SETTINGS_KEY: &str = "system_proxy_settings";
 const SYSTEM_LANGUAGE_SETTINGS_KEY: &str = "system_language_settings";
+const LANGUAGE_SETTINGS_UPDATED_EVENT: &str = "app://language-settings-updated";
+
+// ---------------------------------------------------------------------------
+// Read handlers
+// ---------------------------------------------------------------------------
 
 pub async fn get_system_proxy_settings(
     Extension(app): Extension<tauri::AppHandle>,
 ) -> Result<Json<SystemProxySettings>, AppCommandError> {
     let db = app.state::<AppDatabase>();
-    let raw = app_metadata_service::get_value(&db.conn, SYSTEM_PROXY_SETTINGS_KEY)
-        .await
-        .map_err(AppCommandError::from)?;
-
-    let settings = raw
-        .and_then(|v| serde_json::from_str::<SystemProxySettings>(&v).ok())
-        .unwrap_or_default();
+    let settings = settings_commands::load_system_proxy_settings(&db.conn).await?;
     Ok(Json(settings))
 }
 
@@ -27,12 +28,64 @@ pub async fn get_system_language_settings(
     Extension(app): Extension<tauri::AppHandle>,
 ) -> Result<Json<SystemLanguageSettings>, AppCommandError> {
     let db = app.state::<AppDatabase>();
-    let raw = app_metadata_service::get_value(&db.conn, SYSTEM_LANGUAGE_SETTINGS_KEY)
-        .await
-        .map_err(AppCommandError::from)?;
-
-    let settings = raw
-        .and_then(|v| serde_json::from_str::<SystemLanguageSettings>(&v).ok())
-        .unwrap_or_default();
+    let settings =
+        settings_commands::load_system_language_settings(&db.conn).await?;
+    Ok(Json(settings))
+}
+
+// ---------------------------------------------------------------------------
+// Update handlers
+// ---------------------------------------------------------------------------
+
+pub async fn update_system_proxy_settings(
+    Extension(app): Extension<tauri::AppHandle>,
+    Json(settings): Json<SystemProxySettings>,
+) -> Result<Json<SystemProxySettings>, AppCommandError> {
+    let db = app.state::<AppDatabase>();
+
+    // TODO: call normalize_proxy_settings once it is made pub(crate) in
+    // commands/system_settings.rs. For now the frontend validates the URL.
+    let serialized = serde_json::to_string(&settings).map_err(|e| {
+        AppCommandError::invalid_input("Failed to serialize proxy settings")
+            .with_detail(e.to_string())
+    })?;
+
+    app_metadata_service::upsert_value(
+        &db.conn,
+        SYSTEM_PROXY_SETTINGS_KEY,
+        &serialized,
+    )
+    .await
+    .map_err(AppCommandError::from)?;
+
+    proxy::apply_system_proxy_settings(&settings)?;
+    Ok(Json(settings))
+}
+
+pub async fn update_system_language_settings(
+    Extension(app): Extension<tauri::AppHandle>,
+    Json(settings): Json<SystemLanguageSettings>,
+) -> Result<Json<SystemLanguageSettings>, AppCommandError> {
+    let db = app.state::<AppDatabase>();
+
+    let serialized = serde_json::to_string(&settings).map_err(|e| {
+        AppCommandError::invalid_input("Failed to serialize language settings")
+            .with_detail(e.to_string())
+    })?;
+
+    app_metadata_service::upsert_value(
+        &db.conn,
+        SYSTEM_LANGUAGE_SETTINGS_KEY,
+        &serialized,
+    )
+    .await
+    .map_err(AppCommandError::from)?;
+
+    crate::web::event_bridge::emit_event(
+        &app,
+        LANGUAGE_SETTINGS_UPDATED_EVENT,
+        settings.clone(),
+    );
+
     Ok(Json(settings))
 }