Function downloadAndProcessImage

outdated/gemini/gemini.ts:995–1028

(
  client: any,
  message: Api.Message,
  infoMessage: Api.Message
)

}

async function downloadAndProcessImage(
  client: any,
  message: Api.Message,
  infoMessage: Api.Message
): Promise<string> {
  await infoMessage.edit({ text: "下载图片..." });
  let mediaMsg = message;
  const replyMsg = await message.getReplyMessage();
  if (!message.media && replyMsg?.media) {
    mediaMsg = replyMsg;
  }

  if (!mediaMsg.media) {
    throw new Error("未找到图片");
  }

  const buffer = await client.downloadMedia(mediaMsg.media, { 
    workers: 1,
    progressCallback: (received: number, total: number) => {
      const percent = (received * 100 / total);
      infoMessage.edit({
        text: `下载图片 ${percent.toFixed(1)}%`
      }).catch(() => {});
    }
  });

  if (!buffer) {
    throw new Error("图片下载失败");
  }

  await infoMessage.edit({ text: "下载图片 100%" });

  return (buffer as Buffer).toString('base64');
}

function extractQuestionFromArgs(args: string[], replyMsg?: Api.Message | null): { userQuestion: string; displayQuestion: string; apiQuestion: string } {
  const userQuestion = args.join(" ");