Method downloadImageToFile

music/music.ts:1209–1241

(url: string, destPath: string)

              .then(resolve)
              .catch(() => resolve(false));
            return;
          }
          const chunks: Buffer[] = [];
          res.on("data", (c: Buffer) => chunks.push(c));
          res.on("end", async () => {
            try {
              const buf = Buffer.concat(chunks);
              if (!buf || buf.length === 0) return resolve(false);
              await fs.promises.writeFile(destPath, buf);
              resolve(true);
            } catch {
              resolve(false);
            }
          });
        });
        req.on("error", () => resolve(false));
        req.end();
      } catch {
        resolve(false);
      }
    });
  }

  async download(
    url: string,
    metadata?: SongInfo
  ): Promise<{ audioPath: string | null; thumbnailPath?: string }> {
    try {
      const filename = metadata
        ? `${Utils.sanitizeFilename(metadata.artist)}_${Utils.sanitizeFilename(
            metadata.title
          )}`
        : `download_${Date.now()}`;

      // 每次下载到临时目录，确保全新下载
      const timestamp = Date.now();