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<?php |
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namespace Siak\Tontine\Service\Meeting\Credit; |
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use Illuminate\Database\Eloquent\Builder; |
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use Siak\Tontine\Exception\MessageException; |
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use Siak\Tontine\Model\Debt; |
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use Siak\Tontine\Model\PartialRefund; |
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use Siak\Tontine\Model\Session; |
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use Siak\Tontine\Service\LocaleService; |
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use Siak\Tontine\Service\Meeting\Saving\FundService; |
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use Siak\Tontine\Service\Payment\PaymentServiceInterface; |
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use Siak\Tontine\Service\TenantService; |
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use function trans; |
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class PartialRefundService |
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{ |
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use RefundTrait; |
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/** |
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* @param DebtCalculator $debtCalculator |
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* @param TenantService $tenantService |
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* @param LocaleService $localeService |
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* @param FundService $fundService |
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* @param PaymentServiceInterface $paymentService; |
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*/ |
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public function __construct(private DebtCalculator $debtCalculator, |
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TenantService $tenantService, private LocaleService $localeService, |
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FundService $fundService, private PaymentServiceInterface $paymentService) |
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{ |
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$this->tenantService = $tenantService; |
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$this->fundService = $fundService; |
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} |
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/** |
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* Get an unpaid debt. |
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* |
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* @param Session $session The session |
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* @param int $debtId |
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* |
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* @return Debt|null |
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*/ |
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public function getUnpaidDebt(Session $session, int $debtId): ?Debt |
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{ |
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return $this->getDebtsQuery($session, null, false, false) |
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// A debt from a loan created in the current session can be refunded only |
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// if it is an interest debt with fixed or unique interest. |
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->where(function(Builder $query) use($session) { |
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$query |
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->whereHas('loan', fn(Builder $q) => |
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$q->where('session_id', '!=', $session->id)) |
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->orWhere(fn(Builder $q) => $q |
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->interest() |
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->whereHas('loan', fn(Builder $ql) => $ql->fixedInterest())); |
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}) |
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->with([ |
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'partial_refund' => fn($q) => $q->where('session_id', $session->id), |
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]) |
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->find($debtId); |
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} |
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/** |
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* @param Session $session |
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* @param Debt $debt |
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* |
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* @return bool |
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*/ |
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private function canPartiallyRefund(Session $session, Debt $debt): bool |
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{ |
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return $session->opened && !$debt->refund; |
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} |
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/** |
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* Create a refund. |
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* |
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* @param Session $session |
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* @param Debt $debt |
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* @param int $amount |
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* |
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* @return void |
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*/ |
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public function createPartialRefund(Session $session, Debt $debt, int $amount): void |
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{ |
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if(!$this->canPartiallyRefund($session, $debt)) |
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{ |
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throw new MessageException(trans('meeting.refund.errors.cannot_create')); |
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} |
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// A partial refund must not totally refund a debt |
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if($amount >= $this->debtCalculator->getDebtPayableAmount($debt, $session)) |
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{ |
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throw new MessageException(trans('meeting.refund.errors.pr_amount')); |
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} |
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$refund = new PartialRefund(); |
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$refund->amount = $amount; |
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$refund->debt()->associate($debt); |
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$refund->session()->associate($session); |
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$refund->save(); |
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} |
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/** |
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* @param Session $session |
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* @param PartialRefund $refund |
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* |
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* @return bool |
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*/ |
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private function canModifyPartialRefund(Session $session, PartialRefund $refund): bool |
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{ |
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// A partial refund cannot be updated or deleted if the debt is already refunded. |
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return $session->opened && $refund->debt->refund === null && |
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$this->paymentService->isEditable($refund); |
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} |
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/** |
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* Update a refund. |
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* |
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* @param Session $session The session |
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* @param PartialRefund $refund |
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* @param int $amount |
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* |
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* @return void |
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*/ |
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public function updatePartialRefund(Session $session, PartialRefund $refund, int $amount): void |
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{ |
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if(!$this->canModifyPartialRefund($session, $refund)) |
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{ |
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throw new MessageException(trans('meeting.refund.errors.cannot_update')); |
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} |
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// A partial refund must not totally refund a debt |
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$maxAmount = $refund->amount + |
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$this->debtCalculator->getDebtPayableAmount($refund->debt, $session); |
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if($amount >= $maxAmount) |
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{ |
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throw new MessageException(trans('meeting.refund.errors.pr_amount')); |
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} |
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$refund->update(['amount' => $amount]); |
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} |
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/** |
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* Delete a refund. |
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* |
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* @param Session $session The session |
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* @param PartialRefund $refund |
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* |
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* @return void |
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*/ |
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public function deletePartialRefund(Session $session, PartialRefund $refund): void |
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{ |
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if(!$this->canModifyPartialRefund($session, $refund)) |
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{ |
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throw new MessageException(trans('meeting.refund.errors.cannot_delete')); |
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} |
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$refund->delete(); |
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} |
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} |
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lagdo /
tontine
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