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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\modifiers; |
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use DateTimeImmutable; |
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use hiqdev\php\billing\action\ActionInterface; |
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use hiqdev\php\billing\charge\ChargeInterface; |
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use hiqdev\php\billing\charge\ChargeModifier; |
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use hiqdev\php\billing\charge\modifiers\addons\Reason; |
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use hiqdev\php\billing\charge\modifiers\addons\Since; |
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use hiqdev\php\billing\charge\modifiers\addons\Till; |
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/** |
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* Fixed discount. |
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* |
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* @author Andrii Vasyliev <[email protected]> |
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*/ |
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class Modifier implements ChargeModifier |
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{ |
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const REASON = 'reason'; |
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const SINCE = 'since'; |
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const TILL = 'till'; |
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/** |
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* @var AddonInterface[] |
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*/ |
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protected $addons; |
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public function __construct(array $addons = []) |
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{ |
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$this->addons = $addons; |
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} |
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public function modifyCharge(?ChargeInterface $charge, ActionInterface $action): array |
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{ |
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throw new \Exception('not finished modifier'); |
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} |
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public function isSuitable(?ChargeInterface $charge, ActionInterface $action): bool |
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{ |
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$month = $action->getTime()->modify('first day of this month midnight'); |
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return $this->checkPeriod($month); |
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} |
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public function discount() |
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{ |
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return new Discount($this->addons); |
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} |
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public function leasing() |
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{ |
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return new Leasing($this->addons); |
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} |
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public function reason($text) |
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{ |
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return $this->addAddon(self::REASON, new Reason($text)); |
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} |
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public function since($time) |
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{ |
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return $this->addAddon(self::SINCE, new Since($time)); |
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} |
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public function till($time) |
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{ |
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return $this->addAddon(self::TILL, new Till($time)); |
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} |
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public function addAddon($name, $addon) |
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{ |
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if (isset($this->addons[$name])) { |
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throw new \Exception("'$name' is already set"); |
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} |
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$res = $this->getNext(); |
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$res->addons[$name] = $addon; |
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return $res; |
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} |
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public function getNext() |
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{ |
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return new static($this->addons); |
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} |
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public function getAddon($name) |
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{ |
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return empty($this->addons[$name]) ? null : $this->addons[$name]; |
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} |
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public function getReason() |
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{ |
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return $this->getAddon(self::REASON); |
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} |
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public function getSince() |
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{ |
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return $this->getAddon(self::SINCE); |
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} |
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public function getTill() |
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{ |
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return $this->getAddon(self::TILL); |
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} |
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public function checkPeriod(DateTimeImmutable $time) |
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{ |
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$since = $this->getSince(); |
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if ($since && $since->getValue() > $time) { |
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return false; |
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} |
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$till = $this->getTill(); |
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if ($till && $till->getValue() <= $time) { |
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return false; |
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} |
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return true; |
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} |
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} |
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hiqdev /
php-billing
