Add couple model policy class

app/Policies/CouplePolicy.php

@@ -0,0 +1,17 @@
+<?php
+
+namespace App\Policies;
+
+use App\Couple;
+use App\User;
+use Illuminate\Auth\Access\HandlesAuthorization;
+
+class CouplePolicy
+{
+    use HandlesAuthorization;
+
+    public function edit(User $user, Couple $editableCouple)
+    {
+        return $editableCouple->manager_id == $user->id;
+    }
+}

app/Providers/AuthServiceProvider.php

@@ -14,6 +14,7 @@ class AuthServiceProvider extends ServiceProvider
      */
     protected $policies = [
         'App\User' => 'App\Policies\UserPolicy',
+        'App\Couple' => 'App\Policies\CouplePolicy',
     ];
 
     /**

tests/Unit/Policies/CouplePolicyTest.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace Tests\Unit\Policies;
+
+use App\Couple;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Tests\TestCase;
+
+class CouplePolicyTest extends TestCase
+{
+    use RefreshDatabase;
+
+    /** @test */
+    public function admin_can_edit_couple_data()
+    {
+        $couple = factory(Couple::class)->create();
+        $manager = $couple->manager;
+
+        $this->assertTrue($manager->can('edit', $couple));
+    }
+}