Kantin-Petit
0a2eb203ee
AlertEvent sans secret ; HttpAlertSender (POST webhook n8n, best-effort) + NullAlertSender ; buildDailyDigest / selectExpiringSoon purs. 6 tests. Rattrape l'entrée CHANGELOG 0.15.1 omise. Palier de risque : reversible. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
48 lines
1.6 KiB
TypeScript
48 lines
1.6 KiB
TypeScript
import type { Logger } from "pino";
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import type { AlertEvent, AlertSender } from "./types.js";
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/**
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* Envoie les alertes à un webhook n8n (qui envoie le mail). Fail-soft : une
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* panne d'alerte ne doit jamais casser la boucle agent ni le gatekeeper — on
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* logge et on continue.
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*/
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export class HttpAlertSender implements AlertSender {
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constructor(
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private readonly webhookUrl: string,
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private readonly logger: Logger,
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private readonly timeoutMs = 10_000,
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) {}
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async send(event: AlertEvent): Promise<void> {
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const controller = new AbortController();
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const timer = setTimeout(() => controller.abort(), this.timeoutMs);
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try {
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const res = await fetch(this.webhookUrl, {
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method: "POST",
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headers: { "content-type": "application/json" },
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body: JSON.stringify({ source: "chlova", ts: Date.now(), ...event }),
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signal: controller.signal,
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});
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if (!res.ok) {
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this.logger.warn({ kind: event.kind, status: res.status }, "alerte: HTTP non-OK");
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}
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} catch (err) {
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// Jamais propagé : l'alerte est best-effort.
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this.logger.warn(
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{ kind: event.kind, err: err instanceof Error ? err.message : String(err) },
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"alerte: envoi échoué (best-effort)",
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);
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} finally {
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clearTimeout(timer);
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}
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}
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}
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/** Sender inactif : aucun webhook configuré → on logge seulement (fail-safe). */
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export class NullAlertSender implements AlertSender {
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constructor(private readonly logger: Logger) {}
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async send(event: AlertEvent): Promise<void> {
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this.logger.info({ alert: event }, "alerte (non envoyée : pas de webhook)");
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}
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}
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