Method startTask

src/core/resource/DownloadManager.ts:548–593

* 开始下载任务 * @param strategy 下载策略

(strategy: DownloadStrategy)

   * @param strategy 下载策略
   */
  private async startTask(strategy: DownloadStrategy) {
    this.activeDownloads.add(strategy.id);
    const dataStore = useDataStore();
    dataStore.updateDownloadStatus(strategy.id, "downloading");

    try {
      await strategy.prepare();
      const config = strategy.getDownloadConfig();

      if (isElectron) {
        if (!strategy.downloadUrl) throw new Error("Download URL missing");

        const downloadResult = await window.electron.ipcRenderer.invoke(
          "download-file",
          strategy.downloadUrl,
          config,
        );

        if (downloadResult.status === "success" || downloadResult.status === "skipped") {
          await strategy.postProcess(downloadResult.path || config.path); // IPC 返回结果通常包含路径
          dataStore.removeDownloadingSong(strategy.id);
          window.$message.success(`${strategy.name} 下载完成`);
        } else {
          if (downloadResult.status === "cancelled") {
            // 已取消，无需处理
          } else {
            throw new Error(downloadResult.message || "下载失败");
          }
        }
      } else {
        // 浏览器端兜底处理
        if (!strategy.downloadUrl) throw new Error("Download URL missing");
        saveAs(strategy.downloadUrl, config.fileName + "." + config.fileType);
        dataStore.removeDownloadingSong(strategy.id);
      }
    } catch (error: any) {
      console.error(`Error processing task ${strategy.name} (ID: ${strategy.id}):`, error);
      if (error?.message) console.error("Error message:", error.message);

      dataStore.markDownloadFailed(strategy.id);
      window.$message.error(error.message || "下载出错");
    } finally {
      this.activeDownloads.delete(strategy.id);
      this.processQueue();
    }
  }
}

export const downloadManager = new DownloadManager();