feat(notifications): add Rocket.Chat attachments

server/src/domain/notifications/providers/rocketChat.ts

@@ -64,7 +64,7 @@ export class RocketChatProvider extends NotificationProvider {
 
 		try {
 			await got.post(notification.address, {
-				json: { text: this.buildText(message) },
+				json: this.buildPayload(message),
 				headers: {
 					"Content-Type": "application/json",
 				},
@@ -83,34 +83,38 @@ export class RocketChatProvider extends NotificationProvider {
 		}
 	}
 
-	private buildText(message: NotificationMessage): string {
-		const lines = [
-			message.content.title,
-			message.content.summary,
-			"",
-			`Monitor: ${message.monitor.name}`,
-			`Type: ${message.monitor.type}`,
-			`Status: ${message.monitor.status}`,
-			`URL: ${message.monitor.url}`,
-		];
+	private buildPayload(message: NotificationMessage): RocketChatPayload {
+		return {
+			text: message.content.summary,
+			attachments: [
+				{
+					color: this.severityColor(message.severity),
+					title: message.content.title,
+					title_link: `${message.clientHost}/infrastructure/${message.monitor.id}`,
+					fields: [
+						{ title: "Monitor", value: message.monitor.name, short: true },
+						{ title: "Type", value: message.monitor.type, short: true },
+						{ title: "Status", value: message.monitor.status, short: true },
+						{ title: "URL", value: message.monitor.url, short: false },
+					],
+					ts: message.content.timestamp.toISOString(),
+				},
+			],
+		};
+	}
 
-		if (message.content.details?.length) {
-			lines.push("", "Details:", ...message.content.details.map((detail) => `- ${detail}`));
+	private severityColor(severity: NotificationMessage["severity"]): string {
+		switch (severity) {
+			case "critical":
+				return "#FF0000";
+			case "warning":
+				return "#FFA500";
+			case "success":
+				return "#00FF00";
+			case "info":
+				return "#0000FF";
+			default:
+				return "#808080";
 		}
-		if (message.content.thresholds?.length) {
-			lines.push(
-				"",
-				"Thresholds:",
-				...message.content.thresholds.map(
-					(threshold) => `- ${threshold.metric.toUpperCase()}: ${threshold.formattedValue} (threshold: ${threshold.threshold}${threshold.unit})`
-				)
-			);
-		}
-
-		if (message.content.incident) {
-			lines.push("", `Incident: ${message.clientHost}/infrastructure/${message.monitor.id}`);
-		}
-
-		return lines.join("\n");
 	}
 }