buid new app

app/Policies/CategoryPolicy.php

@@ -0,0 +1,20 @@
+<?php
+
+namespace App\Policies;
+
+use App\Models\Category;
+use App\Models\User;
+
+class CategoryPolicy
+{
+
+    public function update(User $user, Category $category): bool
+    {
+        return $user->id === $category->user_id;
+    }
+
+    public function delete(User $user, Category $category): bool
+    {
+        return $user->id === $category->user_id;
+    }
+}

app/Policies/ExpensePolicy.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace App\Policies;
+
+use App\Models\Expense;
+use App\Models\User;
+
+class ExpensePolicy
+{
+    public function update(User $user, Expense $expense): bool
+    {
+        return $user->id === $expense->user_id;
+    }
+
+    public function delete(User $user, Expense $expense): bool
+    {
+        return $user->id === $expense->user_id;
+    }
+}