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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) 2017-2020, HiQDev (http://hiqdev.com/) |
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*/ |
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namespace hiqdev\php\billing\order; |
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use DateTimeImmutable; |
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use hiqdev\php\billing\bill\BillInterface; |
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use hiqdev\php\billing\bill\BillRepositoryInterface; |
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use hiqdev\php\billing\tools\AggregatorInterface; |
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use hiqdev\php\billing\tools\DbMergingAggregator; |
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use hiqdev\php\billing\tools\MergerInterface; |
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/** |
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* Billing calculates and saves bills for given order. |
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* |
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* @author Andrii Vasyliev <[email protected]> |
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*/ |
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class Billing implements BillingInterface |
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{ |
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/** |
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* @var CalculatorInterface |
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*/ |
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protected $calculator; |
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/** |
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* @var AggregatorInterface |
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*/ |
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protected $aggregator; |
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/** |
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* @var AggregatorInterface |
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*/ |
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protected $repoAggregator; |
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/** |
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* @var MergerInterface |
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*/ |
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protected $merger; |
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/** |
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* @var BillRepositoryInterface |
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*/ |
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protected $repository; |
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/** |
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* @var CollectorInterface |
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*/ |
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protected $collector; |
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public function __construct( |
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CalculatorInterface $calculator, |
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AggregatorInterface $aggregator, |
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MergerInterface $merger, |
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?BillRepositoryInterface $repository, |
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?CollectorInterface $collector |
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) { |
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$this->calculator = $calculator; |
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$this->aggregator = $aggregator; |
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$this->merger = $merger; |
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$this->repository = $repository; |
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$this->collector = $collector ?? new Collector(); |
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} |
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public function calculate($source, DateTimeImmutable $time = null): array |
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{ |
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$charges = $this->calculateCharges($source, $time); |
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$bills = $this->aggregator->aggregateCharges($charges); |
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return $this->merger->mergeBills($bills); |
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} |
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public function perform($source, DateTimeImmutable $time = null): array |
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{ |
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$charges = $this->calculateCharges($source, $time); |
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$bills = $this->getRepoAggregator()->aggregateCharges($charges); |
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return $this->saveBills($bills); |
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} |
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public function calculateCharges($source, DateTimeImmutable $time = null): array |
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{ |
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$order = $this->collector->collect($source, $time); |
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return $this->calculator->calculateOrder($order); |
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} |
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private function getRepoAggregator(): AggregatorInterface |
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{ |
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if ($this->repoAggregator === null) { |
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$this->repoAggregator = new DbMergingAggregator($this->aggregator, $this->repository, $this->merger); |
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} |
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return $this->repoAggregator; |
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} |
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/** |
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* @param BillInterface[] $bills |
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* @return BillInterface[] |
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*/ |
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private function saveBills(array $bills): array |
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{ |
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$res = []; |
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foreach ($bills as $key => $bill) { |
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$res[$key] = $this->repository->save($bill); |
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} |
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return $res; |
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} |
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/** |
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* @return CalculatorInterface |
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*/ |
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public function getCalculator(): CalculatorInterface |
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{ |
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return $this->calculator; |
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} |
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} |
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hiqdev /
php-billing
