Task 11 - observers

README.md

@@ -112,3 +112,11 @@ In `app/Http/Controllers/UserController.php` file method `only_active()`, make t
 Test method `test_active_users()`.
 
 ---
+
+## Task 11. Observers with New Record.
+
+In `app/Http/Controllers/ProjectController.php` file method `store_with_stats()`, create a separate Observer file with an event to perform a +1 in the stats table.
+
+Test method `test_insert_observer()`.
+
+---

app/Http/Controllers/ProjectController.php

@@ -3,6 +3,7 @@
 namespace App\Http\Controllers;
 
 use App\Models\Project;
+use App\Models\Stat;
 use Illuminate\Http\Request;
 
 class ProjectController extends Controller
@@ -38,4 +39,16 @@ class ProjectController extends Controller
 
         return view('projects.index', compact('projects'));
     }
+
+    public function store_with_stats(Request $request)
+    {
+        // TASK: on creating a new project, create an Observer event to run SQL
+        //   update stats set projects_count = projects_count + 1
+        $project = new Project();
+        $project->name = $request->name;
+        $project->save();
+
+        return redirect('/')->with('success', 'Project created');
+    }
+
 }

app/Models/Stat.php

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

database/migrations/2021_11_16_085542_create_stats_table.php

@@ -0,0 +1,35 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+class CreateStatsTable extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::create('stats', function (Blueprint $table) {
+            $table->id();
+            $table->integer('users_count')->default(0);
+            $table->integer('projects_count')->default(0);
+            $table->timestamps();
+        });
+
+        \App\Models\Stat::create(['users_count' => 0, 'projects_count' => 0]);
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::dropIfExists('stats');
+    }
+}

routes/web.php

@@ -30,5 +30,6 @@ Route::get('users/check_update/{name}/{email}', [UserController::class, 'check_u
 Route::delete('users', [UserController::class, 'destroy']);
 
 Route::post('projects', [ProjectController::class, 'store']);
+Route::post('projects/stats', [ProjectController::class, 'store_with_stats']);
 Route::post('projects/mass_update', [ProjectController::class, 'mass_update']);
 Route::delete('projects/{projectId}', [ProjectController::class, 'destroy']);

tests/Feature/EloquentTest.php

@@ -5,6 +5,7 @@ namespace Tests\Feature;
 use App\Models\Morningnews;
 use App\Models\News;
 use App\Models\Project;
+use App\Models\Stat;
 use App\Models\User;
 use Illuminate\Foundation\Testing\RefreshDatabase;
 use Tests\TestCase;
@@ -136,4 +137,12 @@ class EloquentTest extends TestCase
         $response = $this->get('users/active');
         $response->assertDontSee($user->name);
     }
+
+    public function test_insert_observer()
+    {
+        $this->post('projects/stats', ['name' => 'Some name']);
+
+        $statsRow = Stat::first();
+        $this->assertEquals(1, $statsRow->projects_count);
+    }
 }