refactor: 重构 WebSocket 处理部分，整理逻辑并优化性能 (#498)

crates/bili_sync/src/utils/task_notifier.rs

@@ -1,4 +1,4 @@
-use std::sync::{Arc, LazyLock};
+use std::sync::LazyLock;
 
 use serde::Serialize;
 use tokio::sync::MutexGuard;
@@ -7,7 +7,7 @@ use crate::config::VersionedConfig;
 
 pub static TASK_STATUS_NOTIFIER: LazyLock<TaskStatusNotifier> = LazyLock::new(TaskStatusNotifier::new);
 
-#[derive(Serialize, Default)]
+#[derive(Serialize, Default, Clone, Copy)]
 pub struct TaskStatus {
     is_running: bool,
     last_run: Option<chrono::DateTime<chrono::Local>>,
@@ -17,13 +17,13 @@ pub struct TaskStatus {
 
 pub struct TaskStatusNotifier {
     mutex: tokio::sync::Mutex<()>,
-    tx: tokio::sync::watch::Sender<Arc<TaskStatus>>,
-    rx: tokio::sync::watch::Receiver<Arc<TaskStatus>>,
+    tx: tokio::sync::watch::Sender<TaskStatus>,
+    rx: tokio::sync::watch::Receiver<TaskStatus>,
 }
 
 impl TaskStatusNotifier {
     pub fn new() -> Self {
-        let (tx, rx) = tokio::sync::watch::channel(Arc::new(TaskStatus::default()));
+        let (tx, rx) = tokio::sync::watch::channel(TaskStatus::default());
         Self {
             mutex: tokio::sync::Mutex::const_new(()),
             tx,
@@ -33,12 +33,12 @@ impl TaskStatusNotifier {
 
     pub async fn start_running(&'_ self) -> MutexGuard<'_, ()> {
         let lock = self.mutex.lock().await;
-        let _ = self.tx.send(Arc::new(TaskStatus {
+        let _ = self.tx.send(TaskStatus {
             is_running: true,
             last_run: Some(chrono::Local::now()),
             last_finish: None,
             next_run: None,
-        }));
+        });
         lock
     }
 
@@ -49,12 +49,12 @@ impl TaskStatusNotifier {
         let config = VersionedConfig::get().load();
         let now = chrono::Local::now();
 
-        let _ = self.tx.send(Arc::new(TaskStatus {
+        let _ = self.tx.send(TaskStatus {
             is_running: false,
             last_run,
             last_finish: Some(now),
             next_run: now.checked_add_signed(chrono::Duration::seconds(config.interval as i64)),
-        }));
+        });
     }
 
     /// 精确探测任务执行状态，保证如果读取到“未运行”，那么在锁释放之前任务不会被执行
@@ -62,7 +62,7 @@ impl TaskStatusNotifier {
         self.mutex.try_lock().ok()
     }
 
-    pub fn subscribe(&self) -> tokio::sync::watch::Receiver<Arc<TaskStatus>> {
+    pub fn subscribe(&self) -> tokio::sync::watch::Receiver<TaskStatus> {
         self.rx.clone()
     }
 }