1.0.33

src/lib/server/notifications/telegram.ts

@@ -0,0 +1,43 @@
+/** Telegram bot. tgram://bot_token/chat_id[:topic_id]. */
+import { escapeTelegramMarkdown, parseTelegramUrl } from '$lib/utils/notification-parsers';
+import { drainResponse, type NotificationPayload, type NotificationResult } from './shared';
+
+export async function sendTelegram(appriseUrl: string, payload: NotificationPayload): Promise<NotificationResult> {
+	const parsed = parseTelegramUrl(appriseUrl);
+	if (!parsed) {
+		return { success: false, error: 'Invalid Telegram URL format. Expected: tgram://bot_token/chat_id or tgram://bot_token/chat_id:topic_id' };
+	}
+
+	const { botToken, chatId, topicId } = parsed;
+	const url = `https://api.telegram.org/bot${botToken}/sendMessage`;
+
+	const escapedTitle = escapeTelegramMarkdown(payload.title);
+	const escapedMessage = escapeTelegramMarkdown(payload.message);
+	const envTag = payload.environmentName ? ` [${escapeTelegramMarkdown(payload.environmentName)}]` : '';
+
+	try {
+		const response = await fetch(url, {
+			method: 'POST',
+			headers: { 'Content-Type': 'application/json' },
+			body: JSON.stringify({
+				chat_id: chatId,
+				text: `*${escapedTitle}*${envTag}\n${escapedMessage}`,
+				...(topicId ? { message_thread_id: topicId } : {}),
+				parse_mode: 'Markdown',
+				link_preview_options: {
+					is_disabled: true
+				}
+			})
+		});
+
+		if (!response.ok) {
+			const errorData = await response.json().catch(() => ({})) as { description?: string };
+			const errorMsg = errorData.description || response.statusText;
+			return { success: false, error: `Telegram error ${response.status}: ${errorMsg}` };
+		}
+		await drainResponse(response);
+		return { success: true };
+	} catch (error) {
+		return { success: false, error: `Telegram connection failed: ${error instanceof Error ? error.message : String(error)}` };
+	}
+}