notification system implemented

need refinements

apps/admin/src/app/api/notifications/route.ts

@@ -0,0 +1,116 @@
+import { NextRequest, NextResponse } from "next/server";
+import { auth } from "@clerk/nextjs/server";
+import { getDatabase } from "@/lib/database";
+import log from "@/lib/logger";
+
+/**
+ * GET /api/notifications
+ * Get all notifications for the authenticated user
+ */
+export async function GET(req: NextRequest) {
+  try {
+    const { userId } = await auth();
+
+    if (!userId) {
+      log.warn("Unauthorized notification fetch attempt");
+      return NextResponse.json({ error: "Unauthorized" }, { status: 401 });
+    }
+
+    log.debug("Fetching notifications for user", { userId });
+
+    const db = await getDatabase();
+    const notifications = await db.getNotificationsByUserId(userId);
+
+    log.debug("Notifications fetched successfully", {
+      userId,
+      count: notifications.length,
+    });
+
+    return NextResponse.json({
+      success: true,
+      data: notifications,
+      meta: {
+        timestamp: new Date().toISOString(),
+        count: notifications.length,
+      },
+    });
+  } catch (error) {
+    log.error("Failed to fetch notifications", error);
+    return NextResponse.json(
+      { error: "Internal server error" },
+      { status: 500 },
+    );
+  }
+}
+
+/**
+ * POST /api/notifications
+ * Create a new notification (admin/system only)
+ */
+export async function POST(req: NextRequest) {
+  try {
+    const { userId } = await auth();
+
+    if (!userId) {
+      return NextResponse.json({ error: "Unauthorized" }, { status: 401 });
+    }
+
+    const body = await req.json();
+    const { targetUserId, title, message, type } = body;
+
+    if (!targetUserId || !title || !message || !type) {
+      return NextResponse.json(
+        {
+          error: "Missing required fields: targetUserId, title, message, type",
+        },
+        { status: 400 },
+      );
+    }
+
+    // Validate notification type
+    const validTypes = [
+      "payment_reminder",
+      "attendance",
+      "promotion",
+      "system",
+    ];
+    if (!validTypes.includes(type)) {
+      return NextResponse.json(
+        {
+          error: `Invalid notification type. Must be one of: ${validTypes.join(", ")}`,
+        },
+        { status: 400 },
+      );
+    }
+
+    const db = await getDatabase();
+    const notification = await db.createNotification({
+      id: crypto.randomUUID(),
+      userId: targetUserId,
+      title,
+      message,
+      type,
+      read: false,
+    });
+
+    log.info("Notification created", {
+      id: notification.id,
+      targetUserId,
+      type,
+    });
+
+    return NextResponse.json({
+      success: true,
+      data: notification,
+      meta: {
+        timestamp: new Date().toISOString(),
+      },
+    });
+  } catch (error) {
+    log.error("Failed to create notification", error);
+    return NextResponse.json(
+      { error: "Internal server error" },
+      { status: 500 },
+    );
+  }
+}