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<?php |
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/** |
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* PHP Billing Library |
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* |
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* @link https://github.com/hiqdev/php-billing |
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* @package php-billing |
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* @license BSD-3-Clause |
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* @copyright Copyright (c) 2017, HiQDev (http://hiqdev.com/) |
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*/ |
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namespace hiqdev\php\billing; |
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use hiqdev\php\units\QuantityInterface; |
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use Money\Money; |
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/** |
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* Single Price. |
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* |
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* - no charge for quantity less then prepaid |
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* - same price for any quantity above prepaid |
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* |
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* @see PriceInterface |
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* |
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* @author Andrii Vasyliev <[email protected]> |
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*/ |
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class SinglePrice extends AbstractPrice |
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{ |
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/** |
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* @var Quantity prepaid quantity also implies Unit |
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*/ |
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protected $prepaid; |
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/** |
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* @var Money |
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*/ |
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protected $price; |
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public function __construct( |
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$id, |
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TargetInterface $target, |
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TypeInterface $type, |
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QuantityInterface $prepaid, |
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Money $price |
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) { |
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parent::__construct($id, $target, $type); |
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$this->prepaid = $prepaid; |
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3 |
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$this->price = $price; |
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3 |
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} |
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/* |
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protected $properties = [ |
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'id' => '', |
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'target' => [AbstractTarget::class, 'create'], |
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'type' => [Type::class, 'create'], |
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'prepaid' => [Quantity::class, 'create'], |
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'price' => [MoneyFactory::class, 'create'], |
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]; |
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*/ |
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/** |
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* {@inheritdoc} |
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*/ |
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public function calculateUsage(QuantityInterface $quantity) |
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{ |
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$usage = $quantity->convert($this->prepaid->getUnit())->subtract($this->prepaid); |
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return $usage->isPositive() ? $usage : null; |
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} |
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/** |
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* {@inheritdoc} |
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* Same price for any usage. |
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*/ |
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public function calculatePrice(QuantityInterface $usage) |
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{ |
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return $this->price; |
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} |
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} |
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hiqdev /
php-billing
Loading history...
Our type inference engine has found an assignment to a property that is incompatible with the declared type of that property.
Either this assignment is in error or the assigned type should be added to the documentation/type hint for that property..