Bonus finder

example.php

<?php
$FindBonusCollection = new App\Bonus\FindBonusCollection; 
$FindBonusCollection->add(new App\Bonus\FindBonusGamerXbox);
$FindBonusCollection->add(new App\Bonus\FindBonusGamerAll);
$FindBonusCollection->add(new App\Bonus\FindBonusPrime);

$FindProductBonus = new App\Bonus\FindProductBonus($FindBonusCollection);

$Product = new Product(25);
$ProductBonus = $FindProductBonus->find($Product);

$Product2 = new Product(135);
$ProductBonus2 = $FindProductBonus->find($Product2);

$FindBonusCollection = new App\Bonus\FindBonusCollection; 
$FindBonusCollection->add(new App\Bonus\FindBonusGamer(new App\Bonus\FindBonusGamerXbox, App\Bonus\FindBonusGamerAll));
$FindBonusCollection->add(new App\Bonus\FindBonusPrime);

$Product3 = new Product(65);
$ProductBonus3 = $FindProductBonus->find($Product3);

FindBonusCollection.php

<?php
namespace App\Bonus;
class FindBonusCollection implements Iterator
{
   private $_finders = array();
   
   public function add(IFindBonus $finder)
   {
      $this->_finders[] = $finder;
   }
   
   //Iterator methods
}

FindBonusGamer.php

<?php
namespace App\Bonus;
class FindBonusGamer implements IFindBonus
{ 
   private $_xbox;
   private $_all;
   
   public function __construct(FindBonusGamerXbox $xbox, FindBonusGamerAll $all)
   {
      $this->_xbox = $xbox;
      $this->_all = $all;
   }
   
   public function find(IProduct $product)
   {
      try {
        return $this->_xbox->find($product); 
      } catch (DomainException $e ) {
        return $this->_all->find($product);
      }
   }
}

FindBonusGamerAll.php

<?php
namespace App\Bonus;
class FindBonusGamerAll implements IFindBonus
{
   public function find(IProduct $product)
   {
      //Find a bonus for gamers
      return new Bonus(
         'Halloween 2014',//Campaign
         30.00,//bonus money
         3000,//bonus points
      );
   }
}

FindBonusGamerXbox.php

<?php
namespace App\Bonus;
class FindBonusGamerXbox implements IFindBonus
{
   public function find(IProduct $product)
   {
      //Find a bonus for gamers
      return new Bonus(
         'New games',//Campaign
         50.00,//bonus money
         2500,//bonus points
      );
   }
}

FindBonusPrime.php

<?php
namespace App\Bonus;
class FindBonusPrime implements IFindBonus
{
   public function find(IProduct $product)
   {
     //Find a prime bonus active
     return new Bonus(
         'New Year\'s Eve',//Campaign
         1000.00,//bonus
         15000, //Bonus points
      );
   }
}

FindProductBonus.php

<?php
namespace App\Bonus;
class FindProductBonus implements IFindProductBonus
{
   private $_collection;
   
   public function __construct(FindBonusCollection $collection)
   {
      $this->_collection = $collection;
   }
   
   public function find($Product)
   {
      $ProductBonus = new ProductBonus($Product);
      
      foreach ( $this->_collection as $finder ) {
         try {
            $ProductBonus->add($finder->find($Product));
         } catch (DomainException $e) {
            
         }
      }
      return $ProductBonus;
   }
}

IFindBonus.php

<?php
namespace App\Bonus;
interface IFindBonus
{
   public function find(IProduct $product);
}

ProductBonusCollection.php

<?php
namespace App\Bonus;

class ProductBonus
{
   private $_bonus = array();
   
   private $_product;
   
   public function __construct(Product $product)
   {
      $this->_product = $product;
   }
   
   public function add(Bonus $bonus)
   {
      $this->_bonus[] = $bonus;
   }
   
   public function getBonus()
   {
      return $this->_bonus;
   }
   
   public function getMoney()
   {
      $money = 0;
      foreach ( $this->_bonus as $bonus ) {
         $money = $bonus->getMoney();
      }
      return $money;
   }
   
   public function getPoints()
   {
      $points = 0;
      foreach ( $this->_bonus as $bonus ) {
         $points = $bonus->getPoints();
      }
      return $points;
   }
}