ItemRemovedFromCart

 1<?php ...
 2 
 3namespace Thunk\Verbs\Examples\Cart\Events;
 4 
 5use Thunk\Verbs\Event;
 6use Thunk\Verbs\Examples\Cart\States\CartState;
 7use Thunk\Verbs\Examples\Cart\States\ItemState; 
 8 
 9class ItemRemovedFromCart extends Event
10{
11    public CartState $cart;
12 
13    public ItemState $item;
14 
15    public int $quantity;
16 
17    public function validate()
18    {
19        $this->assert(! $this->cart->checked_out, 'Already checked out');
20 
21        $this->assert(
22            $this->cart->count($this->item->id) >= $this->quantity,
23            "There aren't {$this->quantity} items in the cart to remove."
24        );
25    }
26 
27    public function apply()
28    {
29        $this->cart->items[$this->item->id] -= $this->quantity;
30 
31        if (isset($this->item->holds[$this->cart->id])) {
32            $this->item->holds[$this->cart->id]['quantity'] -= $this->quantity;
33        }
34    }
35}