fix: 修复下载任务很多时导致前端性能下降的问题

src-tauri/src/bili_client.rs

@@ -120,6 +120,15 @@ impl BiliClient {
         let http_resp = request.send().await?;
         // 检查http响应状态码
         let status = http_resp.status();
+        // 尝试从headers中拿SESSDATA
+        let sessdata = http_resp
+            .headers()
+            .get_all("set-cookie")
+            .iter()
+            .filter_map(|header| header.to_str().ok())
+            .filter_map(|header| header.split(';').next())
+            .filter_map(|cookie| cookie.split_once('='))
+            .find_map(|(key, value)| (key.trim() == "SESSDATA").then(|| value.to_owned()));
         let body = http_resp.text().await?;
         if status != StatusCode::OK {
             return Err(eyre!("预料之外的状态码({status}): {body}"));
@@ -137,11 +146,14 @@ impl BiliClient {
         };
         // 尝试将data解析为二维码状态
         let data_str = data.to_string();
-        let qrcode_status: QrcodeStatus = serde_json::from_str(&data_str)
+        let mut qrcode_status: QrcodeStatus = serde_json::from_str(&data_str)
             .wrap_err(format!("将data解析为QrcodeStatus失败: {data_str}"))?;
         if ![0, 86101, 86090, 86038].contains(&qrcode_status.code) {
             return Err(eyre!("预料之外的二维码code: {qrcode_status:?}"));
         }
+        if qrcode_status.code == 0 {
+            qrcode_status.sessdata = sessdata.ok_or_eyre("扫码成功，但没有解析到SESSDATA")?;
+        }
         Ok(qrcode_status)
     }
 

src-tauri/src/downloader/chapter_segments.rs

@@ -67,7 +67,7 @@ impl ChapterSegments {
         // 遍历完所有现有片段并处理完所有重叠后，将新的片段添加到结果列表中
         processed_segments.push(new_segment);
 
-        processed_segments.sort_by(|a, b| a.start.cmp(&b.start));
+        processed_segments.sort_by_key(|a| a.start);
 
         self.segments = processed_segments;
     }

src-tauri/src/types/qrcode_status.rs

@@ -5,6 +5,7 @@ use specta::Type;
 #[serde(default)]
 pub struct QrcodeStatus {
     pub url: String,
+    pub sessdata: String,
     pub refresh_token: String,
     pub timestamp: i64,
     pub code: i64,

src-tauri/tauri.conf.json

@@ -1,7 +1,7 @@
 {
   "$schema": "https://schema.tauri.app/config/2",
   "productName": "bilibili-video-downloader",
-  "version": "0.2.0",
+  "version": "0.2.1",
   "identifier": "com.lanyeeee.bilibili-video-downloader",
   "build": {
     "beforeDevCommand": "pnpm dev",

src/bindings.ts

@@ -424,7 +424,7 @@ export type PurchaseFormatNote = { content_list: ContentList[]; link: string; ti
 export type PurchaseNote = { content: string; link: string; title: string }
 export type PurchaseProtocol = { link: string; title: string }
 export type QrcodeData = { url: string; qrcode_key: string }
-export type QrcodeStatus = { url: string; refresh_token: string; timestamp: number; code: number; message: string }
+export type QrcodeStatus = { url: string; sessdata: string; refresh_token: string; timestamp: number; code: number; message: string }
 export type RatingInBangumi = { count: number; score: number }
 export type RatingInBangumiFollow = { score: number; count: number }
 export type RecommendSeason = { cover: string; ep_count: string; id: number; season_url: string; subtitle: string; title: string; view: number }

src/dialogs/LoginDialog.vue

@@ -93,8 +93,7 @@ function handleQrcodeStatus() {
   }
 
   if (qrcodeStatus.value.code === 0) {
-    const sessdata = qrcodeStatus.value.url.split('SESSDATA=')[1].split('&')[0]
-    store.config.sessdata = encodeURIComponent(sessdata)
+    store.config.sessdata = qrcodeStatus.value.sessdata
     showing.value = false
     message.success('登录成功')
   }

src/store.ts

@@ -27,36 +27,28 @@ export const useStore = defineStore('store', () => {
 })
 
 function useProgresses() {
-  // 内部的高频更新状态
-  const _progresses = new Map<string, ProgressData>()
   // 对外暴露的响应式状态
   const progresses = ref<Map<string, ProgressData>>(new Map())
 
+  // 等待在同一渲染帧内执行的更新函数
+  const pendingUpdateFns: Array<(progresses: Map<string, ProgressData>) => void> = []
+
   // 用于确保在同一渲染帧内只安排一次UI更新
   let isUpdateScheduled = false
 
-  // 将 `_progresses` 的内容更新到 `progresses` 中，并触发重新渲染
+  // 在同一渲染帧内集中执行等待中的更新函数
   const updateProgressesOnFrame = () => {
-    const newProgressesMap = new Map<string, ProgressData>()
-
-    for (const [key, value] of _progresses.entries()) {
-      const progressData = progresses.value.get(key)
-
-      if (progressData !== undefined) {
-        Object.assign(progressData, value)
-        newProgressesMap.set(key, progressData)
-      } else {
-        newProgressesMap.set(key, { ...value })
-      }
-    }
-    progresses.value = newProgressesMap
-
     isUpdateScheduled = false
+
+    const updateFns = pendingUpdateFns.splice(0)
+    for (const updateFn of updateFns) {
+      updateFn(progresses.value)
+    }
   }
 
   const updateProgresses = (updateFn: (progresses: Map<string, ProgressData>) => void) => {
-    // 使用传入的更新函数来修改 `_progresses`
-    updateFn(_progresses)
+    // 将传入的更新函数添加到等待队列
+    pendingUpdateFns.push(updateFn)
 
     if (!isUpdateScheduled) {
       // 如果没有安排过UI更新，则安排一次