feat:add Web Push notification system

src/routes/api/notifications/+server.ts

@@ -0,0 +1,77 @@
+import { json, type RequestHandler } from '@sveltejs/kit';
+import { notificationService } from '$lib/server/notifications';
+
+// GET /api/notifications - Get user notifications
+export const GET: RequestHandler = async ({ locals, url }) => {
+	const user = locals.user;
+	if (!user) {
+		return json({ error: 'Unauthorized' }, { status: 401 });
+	}
+
+	const limit = parseInt(url.searchParams.get('limit') || '20');
+	const offset = parseInt(url.searchParams.get('offset') || '0');
+	const unreadOnly = url.searchParams.get('unreadOnly') === 'true';
+
+	try {
+		const notifications = await notificationService.getUserNotifications(user.id, {
+			limit,
+			offset,
+			unreadOnly
+		});
+
+		return json({ notifications });
+	} catch (error) {
+		console.error('Error fetching notifications:', error);
+		return json({ error: 'Failed to fetch notifications' }, { status: 500 });
+	}
+};
+
+// PATCH /api/notifications - Mark notifications as read
+export const PATCH: RequestHandler = async ({ locals, request }) => {
+	const user = locals.user;
+	if (!user) {
+		return json({ error: 'Unauthorized' }, { status: 401 });
+	}
+
+	try {
+		const { notificationIds, markAll } = await request.json();
+
+		if (markAll) {
+			await notificationService.markAllAsRead(user.id);
+		} else if (Array.isArray(notificationIds) && notificationIds.length > 0) {
+			await notificationService.markAsRead(notificationIds);
+		} else {
+			return json({ error: 'Invalid request: provide notificationIds or markAll' }, { status: 400 });
+		}
+
+		return json({ success: true });
+	} catch (error) {
+		console.error('Error marking notifications as read:', error);
+		return json({ error: 'Failed to mark notifications as read' }, { status: 500 });
+	}
+};
+
+// DELETE /api/notifications - Delete notifications
+export const DELETE: RequestHandler = async ({ locals, request }) => {
+	const user = locals.user;
+	if (!user) {
+		return json({ error: 'Unauthorized' }, { status: 401 });
+	}
+
+	try {
+		const { notificationId, deleteAll } = await request.json();
+
+		if (deleteAll) {
+			await notificationService.deleteAllNotifications(user.id);
+		} else if (notificationId) {
+			await notificationService.deleteNotification(notificationId, user.id);
+		} else {
+			return json({ error: 'Invalid request: provide notificationId or deleteAll' }, { status: 400 });
+		}
+
+		return json({ success: true });
+	} catch (error) {
+		console.error('Error deleting notifications:', error);
+		return json({ error: 'Failed to delete notifications' }, { status: 500 });
+	}
+};