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<?php |
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declare(strict_types = 1); |
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namespace Kauri\Loan; |
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/** |
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* Class PaymentPeriodsFactory |
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* @package Kauri\Loan |
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*/ |
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class PaymentPeriodsFactory implements PaymentPeriodsFactoryInterface |
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{ |
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/** |
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* @param PaymentScheduleInterface $paymentSchedule |
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* @return PaymentPeriodsInterface |
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*/ |
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public static function generate(PaymentScheduleInterface $paymentSchedule): PaymentPeriodsInterface |
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{ |
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$periods = new PaymentPeriods($paymentSchedule->getConfig()->getAverageIntervalLength()); |
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$periodStart = clone $paymentSchedule->getConfig()->getStartDate(); |
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foreach ($paymentSchedule->getPaymentDates() as $paymentNo => $paymentDate) { |
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$periodStart = self::calculatePeriodStart($periodStart); |
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$periodEnd = self::calculatePeriodEnd($paymentDate); |
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$period = new Period($periodStart, $periodEnd); |
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$periods->add($period, $paymentNo); |
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$periodStart = clone $paymentDate; |
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} |
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return $periods; |
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} |
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/** |
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* @param \DateTimeInterface $periodStart |
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* @return \DateTimeInterface |
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*/ |
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private static function calculatePeriodStart(\DateTimeInterface $periodStart): \DateTimeInterface |
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{ |
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$periodStart = clone $periodStart; |
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// Move to next day |
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$periodStart->add(new \DateInterval('P1D')); |
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return $periodStart; |
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} |
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/** |
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* @param \DateTimeInterface $paymentDate |
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* @return \DateTimeInterface |
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*/ |
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private static function calculatePeriodEnd(\DateTimeInterface $paymentDate): \DateTimeInterface |
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{ |
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$periodEnd = clone $paymentDate; |
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// Move to the end of the day |
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$periodEnd->add(new \DateInterval('P1D'))->sub(new \DateInterval('PT1S')); |
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return $periodEnd; |
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} |
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} |
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kaurikk /
loan-payment-period
