Task 8 - belongstomany add

README.md

@@ -75,7 +75,7 @@ Test method `test_countries_with_team_size()`.
 
 ---
 
-## Task 6. Polymorphic Attachments
+## Task 7. Polymorphic Attachments
 
 In the route `/attachments`, the table should show the filenames and the class names of Task and Comment models. Fix the `app/Models/Attachment.php` relationship to make it work.
 
@@ -83,3 +83,11 @@ Test method `test_attachments_polymorphic()`.
 
 ---
 
+## Task 8. Add BelongsToMany Row
+
+In the POST route `/projects`, the project should be saved for a logged-in user, with start_date field from $request. Write that sentence in the Controller.
+
+Test method `test_belongstomany_add()`.
+
+---
+

app/Http/Controllers/ProjectController.php

@@ -0,0 +1,16 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use Illuminate\Http\Request;
+
+class ProjectController extends Controller
+{
+    public function store(Request $request)
+    {
+        // TASK: Add one sentence to save the project to the logged-in user
+        //   by $request->project_id and with $request->start_date parameter
+
+        return 'Success';
+    }
+}

app/Models/Project.php

@@ -0,0 +1,13 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+
+class Project extends Model
+{
+    use HasFactory;
+
+    protected $fillable = ['name'];
+}

app/Models/User.php

@@ -52,4 +52,9 @@ class User extends Authenticatable
     {
         // TASK: add the code here for two-level relationship
     }
+
+    public function projects()
+    {
+        return $this->belongsToMany(Project::class)->withPivot('start_date');
+    }
 }

database/migrations/2021_11_22_093919_create_projects_table.php

@@ -0,0 +1,32 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+class CreateProjectsTable extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::create('projects', function (Blueprint $table) {
+            $table->id();
+            $table->string('name');
+            $table->timestamps();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::dropIfExists('projects');
+    }
+}

database/migrations/2021_11_22_093936_create_project_user_table.php

@@ -0,0 +1,32 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+class CreateProjectUserTable extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::create('project_user', function (Blueprint $table) {
+            $table->foreignId('project_id')->constrained();
+            $table->foreignId('user_id')->constrained();
+            $table->date('start_date');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::dropIfExists('project_user');
+    }
+}

routes/web.php

@@ -30,3 +30,5 @@ Route::get('teams', [\App\Http\Controllers\TeamController::class, 'index']);
 Route::get('countries', [\App\Http\Controllers\CountryController::class, 'index']);
 
 Route::get('attachments', [\App\Http\Controllers\AttachmentController::class, 'index']);
+
+Route::post('projects', [\App\Http\Controllers\ProjectController::class, 'store'])->middleware('auth');

tests/Feature/RelationshipsTest.php

@@ -5,6 +5,7 @@ namespace Tests\Feature;
 use App\Models\Attachment;
 use App\Models\Comment;
 use App\Models\Country;
+use App\Models\Project;
 use App\Models\Role;
 use App\Models\Task;
 use App\Models\Team;
@@ -133,4 +134,23 @@ class RelationshipsTest extends TestCase
         $response->assertSee('Task');
         $response->assertSee('Comment');
     }
+
+    // TASK: add a record to belongstomany relationship
+    public function test_belongstomany_add()
+    {
+        $user = User::factory()->create();
+        $project = Project::create(['name' => 'Some project']);
+
+        $response = $this->actingAs($user)->post('/projects', [
+            'project_id' => $project->id,
+            'start_date' => now()->toDateString()
+        ]);
+        $response->assertStatus(200);
+
+        $this->assertDatabaseHas('project_user', [
+            'project_id' => $project->id,
+            'user_id' => $user->id,
+            'start_date' => now()->toDateString()
+        ]);
+    }
 }