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<?php |
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namespace ByTIC\Payments\Actions\Subscriptions\Charges; |
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use ByTIC\Payments\Models\Subscriptions\Subscription; |
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use ByTIC\Payments\Subscriptions\Billing\BillingPeriod; |
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use Nip\Utility\Date; |
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/** |
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* Class CalculateNextCharge |
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* @package ByTIC\Payments\Actions\Subscriptions\Charges |
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*/ |
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class CalculateNextCharge |
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{ |
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/** |
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* @param Subscription $subscription |
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*/ |
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public static function for($subscription) |
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{ |
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$subscription->charge_at = static::nextBillingDate( |
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static::determineStartDate($subscription), |
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$subscription->billing_period, |
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$subscription->billing_interval |
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); |
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} |
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/** |
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* @param Subscription $subscription |
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* @return \DateTime |
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*/ |
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protected static function determineStartDate(Subscription $subscription): \DateTime |
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{ |
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$chargeAt = $subscription->charge_at; |
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if ($chargeAt instanceof \DateTime && $chargeAt->year > 0) { |
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return $chargeAt; |
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} |
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return $subscription->start_at; |
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} |
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/** |
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* @param \DateTime $startDate |
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* @param $period |
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* @param $interval |
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*/ |
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protected static function nextBillingDate(\DateTime $startDate, $period, $interval) |
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{ |
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$startDate = Date::instance($startDate); |
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switch ($period) { |
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case BillingPeriod::DAILY: |
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return $startDate->addDays($interval); |
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case BillingPeriod::WEEKLY: |
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return $startDate->addWeeks($interval); |
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case BillingPeriod::MONTHLY: |
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return $startDate->addMonths($interval); |
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case BillingPeriod::YEARLY: |
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return $startDate->addYears($interval); |
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} |
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throw new \InvalidArgumentException("Invalid period [{$period}] provided."); |
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} |
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} |
ByTIC /
payments
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