Retrieving Posts Using a Post Collection Resource

app/Http/Controllers/PostController.php

@@ -3,9 +3,16 @@
 namespace App\Http\Controllers;
 
 use App\Http\Resources\Post as PostResource;
+use App\Http\Resources\PostCollection;
+use App\Post;
 
 class PostController extends Controller
 {
+    public function index()
+    {
+        return new PostCollection(Post::all());
+    }
+
     public function store()
     {
 

app/Http/Resources/PostCollection.php

@@ -0,0 +1,24 @@
+<?php
+
+namespace App\Http\Resources;
+
+use Illuminate\Http\Resources\Json\ResourceCollection;
+
+class PostCollection extends ResourceCollection
+{
+    /**
+     * Transform the resource collection into an array.
+     *
+     * @param \Illuminate\Http\Request $request
+     * @return array
+     */
+    public function toArray($request)
+    {
+        return [
+            'data' => $this->collection,
+            'links' => [
+                'self' => url('/posts')
+            ]
+        ];
+    }
+}

database/factories/PostFactory.php

@@ -0,0 +1,15 @@
+<?php
+
+/** @var Factory $factory */
+
+use App\Post;
+use App\User;
+use Faker\Generator as Faker;
+use Illuminate\Database\Eloquent\Factory;
+
+$factory->define(Post::class, function (Faker $faker) {
+    return [
+        'user_id' => factory(User::class),
+        'body' => $faker->sentence
+    ];
+});

routes/api.php

@@ -21,6 +21,7 @@
         return $request->user();
     });
 
+    Route::get('/posts', 'PostController@index');
 
     Route::post('/posts', 'PostController@store');
 });

tests/Feature/RetrievePostsTest.php

@@ -0,0 +1,55 @@
+<?php
+
+namespace Tests\Feature;
+
+use App\Post;
+use App\User;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Illuminate\Http\Response;
+use Tests\TestCase;
+
+class RetrievePostsTest extends TestCase
+{
+    use RefreshDatabase;
+
+    /** @test */
+    public function a_user_can_retrieve_posts()
+    {
+        $this->withoutExceptionHandling();
+        $this->actingAs($user = factory(User::class)->create(), 'api');
+        $posts = factory(Post::class, 2)->create();
+
+
+        $response = $this->get('/api/posts');
+        $response->assertStatus(Response::HTTP_OK)
+            ->assertJson([
+                'data' => [
+                    [
+                        'data' =>
+                            [
+                                'type' => 'posts',
+                                'post_id' => $posts->first()->id,
+                                'attributes' => [
+                                    'body' => $posts->first()->body
+                                ]
+                            ]
+                    ],
+                    [
+                        'data' =>
+                            [
+                                'type' => 'posts',
+                                'post_id' => $posts->last()->id,
+                                'attributes' => [
+                                    'body' => $posts->last()->body
+                                ]
+                            ]
+                    ]
+
+                ],
+                'links' => [
+                    'self' => url('/posts')
+                ],
+            ]);
+
+    }
+}