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<?php |
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declare(strict_types=1); |
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namespace MichaelRubel\StripeIntegration\Decorators; |
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use Illuminate\Support\Str; |
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use MichaelRubel\StripeIntegration\Decorators\Contracts\PaymentAmount; |
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use Money\Currency; |
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use Money\Money; |
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class StripePaymentAmount implements PaymentAmount |
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{ |
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/** |
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* @var Money |
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*/ |
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public Money $money; |
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/** |
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* @param float $amount |
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* @param string $currency |
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* @param int $multiplier |
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*/ |
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public function __construct( |
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public float $amount, |
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public string $currency, |
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public int $multiplier = 100 |
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) { |
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if ($this->multiplier === 0) { |
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throw new \DivisionByZeroError('0 is forbidden.'); |
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} |
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if (empty($this->currency)) { |
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throw new \InvalidArgumentException('Currency code should not be empty string.'); |
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} |
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// Configures the payment amount decorator. |
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// Used mainly for converting the payment amount |
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// to payment-system friendly units. |
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$this->money = new Money( |
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$this->toPaymentSystemUnits(), |
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new Currency( |
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Str::upper($this->currency) |
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) |
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); |
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} |
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/** |
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* @return int |
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*/ |
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public function getAmount(): int |
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{ |
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return (int) $this->money->getAmount(); |
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} |
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/** |
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* @return Currency |
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*/ |
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public function getCurrency(): Currency |
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{ |
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return $this->money->getCurrency(); |
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} |
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/** |
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* Convert to "smallest common currency units". |
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* |
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* @return int |
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*/ |
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public function toPaymentSystemUnits(): int |
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{ |
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return (int) ( |
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(string) ($this->amount * $this->multiplier) |
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); |
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} |
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/** |
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* Revert from "smallest common currency units". |
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* |
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* @return float |
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*/ |
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public function fromPaymentSystemUnits(): float |
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{ |
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return (float) ( |
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(int) $this->money->getAmount() / $this->multiplier |
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); |
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} |
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/** |
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* Forward call to the money object if the method doesn't exist in the decorator. |
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* |
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* @param string $method |
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* @param array $parameters |
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* @return mixed |
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*/ |
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public function __call(string $method, array $parameters): mixed |
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{ |
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return call($this->money)->{$method}(...$parameters); |
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} |
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} |
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michael-rubel /
laravel-stripe-integration
