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feat(telegram): send author avatar as richheader link-preview card

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Serve an OG page at /api/richheader and use a small link-preview card
(avatar + author name) above the message instead of sending a photo.
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RhenCloud 2026-08-03 07:13:07 +08:00
parent be50d23319
commit fc2e2c2efa
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5 changed files with 61 additions and 1 deletions
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9
src/drivers/telegram/index.ts
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@ -19,6 +19,15 @@ export class TelegramDriver implements PlatformDriver {
const token = env.TELEGRAM_TOKEN ?? "";
const text = renderNeutralMessage(message);
const avatar = message.author?.iconUrl;
const richHeaderHost = env.TELEGRAM_RICH_HEADER_HOST ?? env.BASE_URL;
if (avatar && richHeaderHost) {
const params = new URLSearchParams();
if (message.author?.name) params.set("title", message.author.name);
if (message.title) params.set("content", message.title);
params.set("avatar", avatar);
const rhUrl = `${richHeaderHost.replace(/\/+$/, "")}/api/richheader?${params.toString()}`;
return sendMessage(token, chatId, text, target.topicId, rhUrl);
}
if (avatar) {
return sendPhoto(token, chatId, smallAvatar(avatar), text, target.topicId);
}

10
src/drivers/telegram/rest.ts
View file

@ -87,6 +87,7 @@ export async function sendMessage(
chatId: string,
text: string,
topicId?: string,
linkPreviewUrl?: string,
): Promise<SendResult> {
if (!token) {
return { ok: false, error: "TELEGRAM_TOKEN not configured", errorCode: "NO_TOKEN" };
@ -95,8 +96,15 @@ export async function sendMessage(
chat_id: chatId,
text,
parse_mode: "HTML",
disable_web_page_preview: true,
disable_web_page_preview: !linkPreviewUrl,
};
if (linkPreviewUrl) {
body.link_preview_options = {
url: linkPreviewUrl,
prefer_small_media: true,
show_above_text: true,
};
}
if (topicId) {
body.message_thread_id = Number(topicId);
}