fix

app/Http/Controllers/ReminderController.php

@@ -11,9 +11,23 @@
 
 class ReminderController extends Controller
 {
-    public function index()
+        public function index(Request $request)
         {
-        $reminders = Reminder::where('user_id', Auth::id())
+            $request->validate([
+                'type'         => ['nullable', new Enum(ReminderType::class)],
+                'package_name' => ['nullable', 'exists:package_names,name'],
+            ]);
+
+            $reminders = Reminder::query()
+                ->where('user_id', Auth::id())
+                ->when($request->type, function ($q) use ($request) {
+                    $q->where('type', $request->type);
+                })
+                ->when($request->package_name, function ($q) use ($request) {
+                    $q->whereHas('packageName', function ($q2) use ($request) {
+                        $q2->where('name', $request->package_name);
+                    });
+                })
                 ->orderBy('time')
                 ->get();