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<?php |
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namespace Siak\Tontine\Service\Meeting\Credit; |
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use Illuminate\Support\Collection; |
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use Illuminate\Support\Facades\DB; |
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use Siak\Tontine\Model\Debt; |
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use Siak\Tontine\Model\Fund; |
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use Siak\Tontine\Model\Loan; |
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use Siak\Tontine\Model\Member; |
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use Siak\Tontine\Model\Session; |
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use Siak\Tontine\Service\BalanceCalculator; |
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use Siak\Tontine\Service\Guild\FundService; |
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use Siak\Tontine\Service\Guild\MemberService; |
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use Siak\Tontine\Service\LocaleService; |
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use Siak\Tontine\Service\TenantService; |
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use function trans; |
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class LoanService |
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{ |
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/** |
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* @param BalanceCalculator $balanceCalculator |
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* @param LocaleService $localeService |
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* @param TenantService $tenantService |
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* @param FundService $fundService |
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* @param MemberService $memberService |
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*/ |
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public function __construct(private BalanceCalculator $balanceCalculator, |
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private LocaleService $localeService, private TenantService $tenantService, |
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private FundService $fundService, private MemberService $memberService) |
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{} |
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/** |
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* @return array |
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*/ |
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public function getInterestTypes(): array |
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{ |
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return [ |
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Loan::INTEREST_FIXED => trans('meeting.loan.interest.if'), |
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Loan::INTEREST_UNIQUE => trans('meeting.loan.interest.iu'), |
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Loan::INTEREST_SIMPLE => trans('meeting.loan.interest.is'), |
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Loan::INTEREST_COMPOUND => trans('meeting.loan.interest.ic'), |
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]; |
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} |
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/** |
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* Get the amount available for loan. |
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* |
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* @param Session $session The session |
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* |
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* @return int |
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*/ |
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public function getAmountAvailable(Session $session): int |
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{ |
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return $this->balanceCalculator->getBalanceForLoan($session); |
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} |
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/** |
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* Gett the number of loans for a given session. |
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* |
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* @param Session $session |
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* |
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* @return int |
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*/ |
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public function getSessionLoanCount(Session $session): int |
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{ |
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return $session->loans()->count(); |
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} |
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/** |
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* Get the loans for a given session. |
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* |
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* @param Session $session |
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* @param int $page |
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* |
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* @return Collection |
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*/ |
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public function getSessionLoans(Session $session, int $page = 0): Collection |
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{ |
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return $session->loans() |
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->with(['member', 'fund']) |
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->page($page, $this->tenantService->getLimit()) |
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->get(); |
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} |
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/** |
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* Get a loan for a given session. |
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* |
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* @param Session $session |
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* @param int $loanId |
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* |
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* @return Loan|null |
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*/ |
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public function getSessionLoan(Session $session, int $loanId): ?Loan |
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{ |
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return $session->loans()->with(['member', 'fund'])->withCount('refunds')->find($loanId); |
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} |
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/** |
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* Create a loan. |
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* |
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* @param Session $session The session |
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* @param Member $member |
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* @param Fund $fund |
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* @param array $values |
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* |
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* @return void |
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*/ |
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public function createLoan(Session $session, Member $member, Fund $fund, array $values): void |
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{ |
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$loan = new Loan(); |
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$loan->interest_type = $values['interest_type']; |
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$loan->interest_rate = $values['interest_rate']; |
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$loan->session()->associate($session); |
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$loan->member()->associate($member); |
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$loan->fund()->associate($fund); |
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DB::transaction(function() use($loan, $values) { |
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$loan->save(); |
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$principal = $values['principal']; |
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$interest = $values['interest']; |
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// Create an entry for each type of debt |
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if($principal > 0) |
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{ |
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$loan->debts()->create(['type' => Debt::TYPE_PRINCIPAL, 'amount' => $principal]); |
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} |
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if($interest > 0) |
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{ |
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$loan->debts()->create(['type' => Debt::TYPE_INTEREST, 'amount' => $interest]); |
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} |
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}); |
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} |
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/** |
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* Update a loan. |
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* |
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* @param Member $member |
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* @param Fund $fund |
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* @param Loan $loan |
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* @param array $values |
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* |
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* @return void |
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*/ |
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public function updateLoan(Member $member, Fund $fund, Loan $loan, array $values): void |
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{ |
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$loan->interest_type = $values['interest_type']; |
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$loan->interest_rate = $values['interest_rate']; |
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$loan->member()->associate($member); |
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$loan->fund()->associate($fund); |
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DB::transaction(function() use($loan, $values) { |
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$loan->save(); |
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$principal = $values['principal']; |
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$interest = $values['interest']; |
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$loan->debts()->principal()->update(['amount' => $principal]); |
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// The interest debt may need to be created or deleted. |
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if($interest <= 0) |
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{ |
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$loan->debts()->where('type', Debt::TYPE_INTEREST)->delete(); |
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return; |
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} |
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$loan->debts()->updateOrCreate(['type' => Debt::TYPE_INTEREST], ['amount' => $interest]); |
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}); |
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} |
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/** |
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* Delete a loan. |
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* |
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* @param Session $session The session |
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* @param int $loanId |
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* |
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* @return void |
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*/ |
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public function deleteLoan(Session $session, int $loanId): void |
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{ |
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/** @var Loan|null */ |
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$loan = $session->loans()->find($loanId); |
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if($loan !== null) |
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{ |
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DB::transaction(function() use($loan) { |
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$loan->refunds()->delete(); |
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$loan->debts()->delete(); |
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$loan->delete(); |
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}); |
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} |
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} |
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} |
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lagdo /
tontine
