Function downloadMedia

eat/eat.ts:204–220

(msg: Api.Message)

  })) as Buffer | undefined;
  if (!buf) return null;
  return buf;
}

async function downloadMedia(msg: Api.Message): Promise<Buffer | null> {
  const replied = await safeGetReplyMessage(msg);
  if (!replied) {
    await msg.edit({ text: "请回复一条图片消息" });
    return null;
  }
  if (!replied.media) {
    await msg.edit({ text: "请回复一条图片消息" });
    return null;
  }
  const mimeType = (replied.media as any).document?.mimeType;
  const buf = (await msg.client?.downloadMedia(replied, {
    thumb: ["video/webm"].includes(mimeType) ? 0 : 1,
  })) as Buffer | undefined;
  if (!buf) return null;
  return buf;
}