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<?php |
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namespace Ksdev\ShoppingCart; |
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class Item |
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{ |
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/** |
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* Item Stock Keeping Unit |
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* |
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* @var string $sku |
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*/ |
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protected $sku; |
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/** |
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* Item name |
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* |
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* @var string $name |
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*/ |
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protected $name; |
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/** |
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* Item price |
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* |
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* @var string $price |
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*/ |
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protected $price; |
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/** |
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* Item tax |
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* |
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* @var string $price |
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*/ |
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protected $tax; |
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/** |
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* @param string $sku Item Stock Keeping Unit |
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* @param string $name Item name |
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* @param string $price Item price with two digits after decimal point, e.g. '123.00' |
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* @param string $tax Optional tax with two digits after decimal point, e.g. '23.00' |
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* |
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* @throws \Exception When the price format is invalid |
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*/ |
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public function __construct($sku, $name, $price, $tax = '0.00') |
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{ |
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$this->setSku($sku); |
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$this->setName($name); |
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$this->setPrice($price); |
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$this->setTax($tax); |
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} |
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// Setters |
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/** |
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* @param string $name |
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*/ |
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public function setName($name) |
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{ |
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$this->name = (string)$name; |
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} |
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/** |
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* @param string $sku |
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*/ |
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public function setSku($sku) |
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{ |
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$this->sku = (string)$sku; |
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} |
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/** |
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* @param string $price Item price with two digits after decimal point, e.g. '123.00' |
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* |
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* @throws \Exception When the price format is invalid |
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*/ |
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public function setPrice($price) |
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{ |
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$this->validateAmountFormat($price); |
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$this->price = (string)$price; |
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} |
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/** |
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* @param string $tax Optional tax with two digits after decimal point, e.g. '23.00' |
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* |
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* @throws \Exception When the tax format is invalid |
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*/ |
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public function setTax($tax) |
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{ |
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$this->validateAmountFormat($tax); |
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$this->tax = (string)$tax; |
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} |
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// Getters |
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/** |
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* @return string |
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*/ |
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public function getSku() |
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{ |
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return $this->sku; |
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} |
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/** |
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* @return string |
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*/ |
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public function getName() |
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{ |
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return $this->name; |
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} |
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/** |
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* @return string |
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*/ |
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public function getPrice() |
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{ |
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return $this->price; |
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} |
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/** |
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* @return string |
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*/ |
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public function getTax() |
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{ |
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return $this->tax; |
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} |
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/** |
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* Validate amount format |
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* |
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* Checks if amount is a number with two digits after decimal point |
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* |
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* @param mixed $amount |
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* |
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* @throws \Exception When the amount format is invalid |
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*/ |
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protected function validateAmountFormat($amount) |
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{ |
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if (! preg_match('/^\d+\.\d{2}$/', $amount)) { |
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throw new \Exception('Invalid amount format'); |
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} |
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} |
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} |
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