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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) 2017-2018, HiQDev (http://hiqdev.com/) |
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*/ |
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namespace hiqdev\php\billing\charge; |
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use hiqdev\php\billing\action\ActionInterface; |
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use hiqdev\php\billing\bill\BillInterface; |
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use hiqdev\php\billing\price\PriceInterface; |
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use hiqdev\php\units\QuantityInterface; |
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use Money\Money; |
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/** |
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* Charge. |
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* |
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* [[Action]] is charged with a number of [[Charge]]s. |
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* |
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* @author Andrii Vasyliev <[email protected]> |
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*/ |
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class Charge implements ChargeInterface |
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{ |
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/** @var int */ |
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protected $id; |
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/** @var ActionInterface */ |
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protected $action; |
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/** @var PriceInterface */ |
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protected $price; |
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/** @var QuantityInterface */ |
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protected $usage; |
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/** @var Money */ |
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protected $sum; |
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/** @var BillInterface */ |
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protected $bill; |
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/** @var ChargeState */ |
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protected $state; |
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/** @var string */ |
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protected $comment; |
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/** @var ChargeInterface|null */ |
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protected $parent; |
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public function __construct( |
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$id, |
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ActionInterface $action, |
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PriceInterface $price, |
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QuantityInterface $usage, |
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Money $sum, |
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BillInterface $bill = null |
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) { |
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$this->id = $id; |
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$this->action = $action; |
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$this->price = $price; |
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$this->usage = $usage; |
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$this->sum = $sum; |
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$this->bill = $bill; |
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} |
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public function getId() |
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{ |
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return $this->id; |
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} |
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public function getAction() |
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{ |
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return $this->action; |
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} |
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/** |
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* @return PriceInterface |
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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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public function getUsage() |
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{ |
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return $this->usage; |
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} |
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public function getSum() |
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{ |
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return $this->sum; |
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} |
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public function calculatePrice() |
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{ |
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$usage = $this->usage->getQuantity(); |
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return $usage ? $this->sum->divide($usage) : $this->sum; |
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} |
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public function getBill() |
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{ |
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return $this->bill; |
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} |
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public function hasBill() |
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{ |
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return $this->bill !== null; |
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} |
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public function setBill(BillInterface $bill): ChargeInterface |
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{ |
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if ($this->hasBill()) { |
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throw new \Exception('cannot reassign sale bill'); |
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} |
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$this->bill = $bill; |
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return $this; |
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} |
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public function getState(): ?ChargeState |
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{ |
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return $this->state; |
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} |
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public function setFinished(): ChargeInterface |
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{ |
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$this->state = ChargeState::finished(); |
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return $this; |
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} |
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public function isFinished(): ?bool |
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{ |
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return $this->state === null ? null : $this->state->isFinished(); |
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} |
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public function getComment() |
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{ |
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return $this->comment; |
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} |
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public function setComment(string $comment): ChargeInterface |
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{ |
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$this->comment = $comment; |
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return $this; |
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} |
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public function setId($id): ChargeInterface |
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{ |
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if ((string)$this->id === (string)$id) { |
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return $this; |
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} |
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if ($this->id !== null) { |
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throw new \Exception('cannot reassign charge id'); |
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} |
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$this->id = $id; |
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return $this; |
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} |
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public function jsonSerialize() |
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{ |
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return get_object_vars($this); |
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} |
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/** |
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* @return ChargeInterface|null |
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*/ |
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public function getParent(): ?ChargeInterface |
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{ |
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return $this->parent; |
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} |
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/** |
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* @param ChargeInterface|null $parent |
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* |
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* @return Charge |
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* @throws \Exception if parent is already set |
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*/ |
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public function setParent(ChargeInterface $parent): self |
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{ |
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if ($this->parent !== null) { |
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throw new \Exception('cannot reassign charge parent'); |
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} |
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$this->parent = $parent; |
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return $this; |
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} |
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} |
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hiqdev /
php-billing
