Task 3 - multi-level relationships

README.md

@@ -43,3 +43,11 @@ Test method `test_task_with_no_user()`.
 
 ---
 
+## Task 3. Two-level Relationship.
+
+In the route `/users/{user}`, the table should load the comments that are written on the task that belong to a user. Define the relationship from User to Comment in the User model, so that the Blade file users/show.blade.php would work.
+
+Test method `test_show_users_comments()`.
+
+---
+

app/Http/Controllers/UserController.php

@@ -0,0 +1,13 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use App\Models\User;
+
+class UserController extends Controller
+{
+    public function show(User $user)
+    {
+        return view('users.show', compact('user'));
+    }
+}

app/Models/Comment.php

@@ -0,0 +1,18 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+
+class Comment extends Model
+{
+    use HasFactory;
+
+    protected $fillable = ['task_id', 'name', 'comment'];
+
+    public function task()
+    {
+        return $this->belongsTo(Task::class);
+    }
+}

app/Models/User.php

@@ -44,6 +44,12 @@ class User extends Authenticatable
 
     public function tasks()
     {
+        // TASK: fix this by adding a parameter
         return $this->hasMany(Task::class);
     }
+
+    public function comments()
+    {
+        // TASK: add the code here for two-level relationship
+    }
 }

database/migrations/2021_11_22_052704_create_comments_table.php

@@ -0,0 +1,34 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+class CreateCommentsTable extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::create('comments', function (Blueprint $table) {
+            $table->id();
+            $table->foreignId('task_id')->constrained();
+            $table->string('name');
+            $table->text('comment');
+            $table->timestamps();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::dropIfExists('comments');
+    }
+}

resources/views/users/show.blade.php

@@ -0,0 +1,8 @@
+<h2>{{ $user->name }}</h2>
+
+<b>Comments on their tasks:</b>
+<ul>
+    @foreach ($user->comments as $comment)
+        <li>{{ $comment->name }} ({{ $comment->comment }})</li>
+    @endforeach
+</ul>

routes/web.php

@@ -20,3 +20,5 @@ Route::get('/', function () {
 
 Route::get('tasks', [TaskController::class, 'index']);
 Route::post('tasks', [TaskController::class, 'store'])->middleware('auth');
+
+Route::get('users/{user}', [\App\Http\Controllers\UserController::class, 'show']);

tests/Feature/RelationshipsTest.php

@@ -2,6 +2,7 @@
 
 namespace Tests\Feature;
 
+use App\Models\Comment;
 use App\Models\Task;
 use App\Models\User;
 use Illuminate\Foundation\Testing\RefreshDatabase;
@@ -29,4 +30,22 @@ class RelationshipsTest extends TestCase
         $response = $this->get('/tasks');
         $response->assertStatus(200);
     }
+
+    // TASK: define the two-level relationship in the User model
+    public function test_show_users_comments()
+    {
+        $user = User::factory()->create();
+        $task = Task::create([
+            'users_id' => $user->id,
+            'name' => 'Some task'
+        ]);
+        Comment::create([
+            'task_id' => $task->id,
+            'name' => 'Some name',
+            'comment' => 'Some comment'
+        ]);
+
+        $response = $this->get('/users/' . $user->id);
+        $response->assertStatus(200);
+    }
 }