Added support for pushover notifications

src/features/channel/notifications/pushover.ts

@@ -0,0 +1,54 @@
+import type {EventPayload, DispatchResult} from '@/features/notifications/notifications.types';
+
+export async function sendPushover(
+    config: {
+        pushoverUserKey: string;
+        pushoverApiToken: string;
+        pushoverPriority: string;
+        pushoverDevice?: string;
+    },
+    payload: EventPayload
+): Promise<DispatchResult> {
+    const {pushoverUserKey, pushoverApiToken, pushoverDevice} = config;
+    const priority = parseInt(config.pushoverPriority ?? "0", 10);
+
+    const body: Record<string, string | number> = {
+        token: pushoverApiToken,
+        user: pushoverUserKey,
+        title: `[${payload.level.toUpperCase()}] ${payload.title}`,
+        message: payload.data
+            ? `${payload.message}\n\nData:\n${JSON.stringify(payload.data, null, 2)}`
+            : payload.message,
+        priority,
+    };
+
+    if (pushoverDevice) {
+        body.device = pushoverDevice;
+    }
+
+    // Emergency priority requires retry + expire
+    if (priority === 2) {
+        body.retry = 60;
+        body.expire = 3600;
+    }
+
+    const res = await fetch("https://api.pushover.net/1/messages.json", {
+        method: "POST",
+        headers: {"Content-Type": "application/json"},
+        body: JSON.stringify(body),
+    });
+
+    const json = await res.json().catch(() => null);
+
+    if (!res.ok) {
+        const errors = json?.errors?.join(", ") ?? res.statusText;
+        throw new Error(`Pushover error ${res.status}: ${errors}`);
+    }
+
+    return {
+        success: true,
+        provider: "pushover",
+        message: "Sent via Pushover",
+        response: json,
+    };
+}