复用下载中心(1/2)

electron/main/backend/update-center/download.ts

@@ -1,7 +1,5 @@
-import { mkdir } from "node:fs/promises";
 import { join } from "node:path";
-import { spawn } from "node:child_process";
-
+import { downloadPackage, type DownloadResult } from "../shared-installer";
 import type { UpdateCenterItem } from "./types";
 
 export interface Aria2DownloadResult {
@@ -16,8 +14,6 @@ export interface RunAria2DownloadOptions {
   signal?: AbortSignal;
 }
 
-const PROGRESS_PATTERN = /(\d{1,3}(?:\.\d+)?)%/;
-
 export const runAria2Download = async ({
   item,
   downloadDir,
@@ -29,68 +25,18 @@ export const runAria2Download = async ({
     throw new Error(`Missing download metadata for ${item.pkgname}`);
   }
 
-  await mkdir(downloadDir, { recursive: true });
-
-  const filePath = join(downloadDir, item.fileName);
-
-  // Use .metalink URL for download (same as Qt version)
+  // 使用与商店安装相同的下载逻辑
   const metalinkUrl = `${item.downloadUrl}.metalink`;
-
-  await new Promise<void>((resolve, reject) => {
-    const child = spawn("aria2c", [
-      "--dir",
-      downloadDir,
-      "--out",
-      item.fileName,
-      "--enable-rpc=false",
-      "--console-log-level=warn",
-      "--summary-interval=1",
-      "--allow-overwrite=true",
-      "--connect-timeout=30",
-      "--max-tries=3",
-      metalinkUrl,
-    ]);
-
-    const abortDownload = () => {
-      child.kill();
-      reject(new Error(`Update task cancelled: ${item.pkgname}`));
-    };
-
-    if (signal?.aborted) {
-      abortDownload();
-      return;
-    }
-
-    signal?.addEventListener("abort", abortDownload, { once: true });
-
-    const handleOutput = (chunk: Buffer) => {
-      const message = chunk.toString().trim();
-      if (!message) {
-        return;
-      }
-
-      onLog?.(message);
-      const progressMatch = message.match(PROGRESS_PATTERN);
-      if (progressMatch) {
-        onProgress?.(Number(progressMatch[1]));
-      }
-    };
-
-    child.stdout?.on("data", handleOutput);
-    child.stderr?.on("data", handleOutput);
-    child.on("error", reject);
-    child.on("close", (code) => {
-      signal?.removeEventListener("abort", abortDownload);
-      if (code === 0) {
-        resolve();
-        return;
-      }
-
-      reject(new Error(`aria2c exited with code ${code ?? -1}`));
-    });
+  
+  const result = await downloadPackage({
+    pkgname: item.pkgname,
+    metalinkUrl,
+    filename: item.fileName,
+    downloadDir,
+    onLog,
+    onProgress,
+    signal,
   });
 
-  onProgress?.(100);
-
-  return { filePath };
+  return { filePath: result.filePath };
 };