notification system implemented

need refinements

apps/admin/src/app/api/notifications/save-token/route.ts

@@ -0,0 +1,71 @@
+import { NextRequest, NextResponse } from "next/server";
+import { auth } from "@clerk/nextjs/server";
+import { getDatabase } from "@/lib/database";
+import log from "@/lib/logger";
+
+/**
+ * POST /api/notifications/save-token
+ * Save the user's Expo push notification token
+ */
+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 { expoPushToken, deviceType } = body;
+
+    if (!expoPushToken) {
+      return NextResponse.json(
+        { error: "Missing required field: expoPushToken" },
+        { status: 400 },
+      );
+    }
+
+    // Validate device type
+    if (deviceType && !["ios", "android"].includes(deviceType)) {
+      return NextResponse.json(
+        { error: "Invalid deviceType. Must be 'ios' or 'android'" },
+        { status: 400 },
+      );
+    }
+
+    const db = await getDatabase();
+
+    // Update user with push token
+    const updatedUser = await db.updateUser(userId, {
+      expoPushToken,
+      deviceType: deviceType || undefined,
+    });
+
+    if (!updatedUser) {
+      return NextResponse.json({ error: "User not found" }, { status: 404 });
+    }
+
+    log.info("Push token saved", {
+      userId,
+      deviceType,
+      tokenPrefix: expoPushToken.substring(0, 20) + "...",
+    });
+
+    return NextResponse.json({
+      success: true,
+      data: {
+        message: "Push token saved successfully",
+        deviceType: updatedUser.deviceType,
+      },
+      meta: {
+        timestamp: new Date().toISOString(),
+      },
+    });
+  } catch (error) {
+    log.error("Failed to save push token", error);
+    return NextResponse.json(
+      { error: "Internal server error" },
+      { status: 500 },
+    );
+  }
+}