89 - Assigning Codes When Claiming Tickets

app/Facades/TicketCode.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace App\Facades;
+
+use Illuminate\Support\Facades\Facade;
+use App\TicketCodeGenerator;
+
+class TicketCode extends Facade
+{
+    protected static function getFacadeAccessor()
+    {
+        return TicketCodeGenerator::class;
+    }
+
+    protected static function getMockableClass()
+    {
+        return static::getFacadeAccessor();
+    }
+}

app/Ticket.php

@@ -3,6 +3,7 @@
 namespace App;
 
 use Carbon\Carbon;
+use App\Facades\TicketCode;
 use Illuminate\Database\Eloquent\Model;
 
 class Ticket extends Model
@@ -24,6 +25,12 @@ class Ticket extends Model
         $this->update(['reserved_at' => null]);
     }
 
+    public function claimFor($order)
+    {
+        $this->code = TicketCode::generate();
+        $order->tickets()->save($this);
+    }
+
     public function concert()
     {
         return $this->belongsTo(Concert::class);

app/TicketCodeGenerator.php

@@ -0,0 +1,8 @@
+<?php
+
+namespace App;
+
+interface TicketCodeGenerator
+{
+    public function generate();
+}

tests/unit/TicketTest.php

@@ -1,8 +1,10 @@
 <?php
 
+use App\Order;
 use App\Ticket;
 use App\Concert;
 use Carbon\Carbon;
+use App\Facades\TicketCode;
 use Illuminate\Foundation\Testing\WithoutMiddleware;
 use Illuminate\Foundation\Testing\DatabaseMigrations;
 use Illuminate\Foundation\Testing\DatabaseTransactions;
@@ -32,4 +34,17 @@ class TicketTest extends TestCase
 
         $this->assertNull($ticket->fresh()->reserved_at);
     }
+
+    /** @test */
+    function a_ticket_can_be_claimed_for_an_order()
+    {
+        $order = factory(Order::class)->create();
+        $ticket = factory(Ticket::class)->create(['code' => null]);
+        TicketCode::shouldReceive('generate')->andReturn('TICKETCODE1');
+
+        $ticket->claimFor($order);
+
+        $this->assertContains($ticket->id, $order->tickets->pluck('id'));
+        $this->assertEquals('TICKETCODE1', $ticket->code);
+    }
 }