性能优化

src-tauri/src/mihomo_manager/profiles.rs

@@ -0,0 +1,112 @@
+//! 订阅（profile）管理：导入 / 更新 / 删除 / 激活。
+
+use chrono::Local;
+use std::fs;
+
+use super::{MihomoManager, ProfileMeta};
+
+impl MihomoManager {
+    // ---------- 订阅管理 ----------
+    pub async fn import_profile(&self, url: &str, name: &str) -> Result<ProfileMeta, String> {
+        // 先读取当前 settings（此时新 profile 文件还未写入，reconcile 不会误添加）
+        let mut settings = self.load_settings();
+
+        let resp = self
+            .client
+            .get(url)
+            .header("User-Agent", "clash.meta/thing")
+            .timeout(std::time::Duration::from_secs(30))
+            .send()
+            .await
+            .map_err(|e| format!("下载订阅失败: {}", e))?;
+        if !resp.status().is_success() {
+            return Err(format!("订阅下载失败: HTTP {}", resp.status()));
+        }
+        let content = resp.text().await.map_err(|e| e.to_string())?;
+        if !content.contains("proxies") && !content.contains("Proxy") {
+            return Err("订阅内容不像有效的 Clash/mihomo 配置".into());
+        }
+        let id = format!("profile-{}", Local::now().format("%Y%m%d%H%M%S"));
+        let path = self.profiles_dir().join(format!("{}.yaml", id));
+        fs::write(&path, &content).map_err(|e| e.to_string())?;
+        let now = Local::now().format("%Y-%m-%d %H:%M:%S").to_string();
+        let meta = ProfileMeta {
+            id: id.clone(),
+            name: name.to_string(),
+            url: url.to_string(),
+            added_at: now.clone(),
+            updated_at: now,
+            size: content.len() as u64,
+        };
+        // 去重保护：避免 reconcile 已添加同 id（理论上不会，因为文件刚写入）
+        if !settings.profiles.iter().any(|p| p.id == id) {
+            settings.profiles.push(meta.clone());
+        }
+        if settings.current_profile.is_none() {
+            settings.current_profile = Some(id);
+        }
+        self.save_settings(&settings)?;
+        Ok(meta)
+    }
+
+    pub async fn update_profile(&self, id: &str) -> Result<ProfileMeta, String> {
+        let mut settings = self.load_settings();
+        let meta = settings
+            .profiles
+            .iter()
+            .find(|p| p.id == id)
+            .cloned()
+            .ok_or_else(|| "订阅不存在".to_string())?;
+        let resp = self
+            .client
+            .get(&meta.url)
+            .header("User-Agent", "clash.meta/thing")
+            .timeout(std::time::Duration::from_secs(30))
+            .send()
+            .await
+            .map_err(|e| format!("更新订阅失败: {}", e))?;
+        if !resp.status().is_success() {
+            return Err(format!("更新订阅失败: HTTP {}", resp.status()));
+        }
+        let content = resp.text().await.map_err(|e| e.to_string())?;
+        let path = self.profiles_dir().join(format!("{}.yaml", id));
+        fs::write(&path, &content).map_err(|e| e.to_string())?;
+        let now = Local::now().format("%Y-%m-%d %H:%M:%S").to_string();
+        let size = content.len() as u64;
+        if let Some(p) = settings.profiles.iter_mut().find(|p| p.id == id) {
+            p.updated_at = now.clone();
+            p.size = size;
+        }
+        self.save_settings(&settings)?;
+        Ok(ProfileMeta {
+            id: id.to_string(),
+            name: meta.name,
+            url: meta.url,
+            added_at: meta.added_at,
+            updated_at: now,
+            size,
+        })
+    }
+
+    pub fn delete_profile(&self, id: &str) -> Result<(), String> {
+        let path = self.profiles_dir().join(format!("{}.yaml", id));
+        fs::remove_file(&path).ok();
+        let mut settings = self.load_settings();
+        settings.profiles.retain(|p| p.id != id);
+        if settings.current_profile.as_deref() == Some(id) {
+            settings.current_profile = settings.profiles.first().map(|p| p.id.clone());
+        }
+        self.save_settings(&settings)?;
+        Ok(())
+    }
+
+    pub fn activate_profile(&self, id: &str) -> Result<(), String> {
+        let mut settings = self.load_settings();
+        if !settings.profiles.iter().any(|p| p.id == id) {
+            return Err("订阅不存在".into());
+        }
+        settings.current_profile = Some(id.to_string());
+        self.save_settings(&settings)?;
+        self.generate_config()
+    }
+}