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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 Illuminate\Database\Eloquent\Relations\Relation; |
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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\Session; |
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use Siak\Tontine\Service\Meeting\FundService; |
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use Siak\Tontine\Service\TenantService; |
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use function tap; |
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trait RefundTrait |
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{ |
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/** |
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* @var TenantService |
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*/ |
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private TenantService $tenantService; |
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/** |
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* @var FundService |
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*/ |
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private FundService $fundService; |
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/** |
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* @param Session $session The session |
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* @param Fund|null $fund |
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* @param bool|null $onlyPaid |
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* @param bool $with |
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* |
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* @return Builder|Relation |
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*/ |
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private function getDebtsQuery(Session $session, ?Fund $fund, |
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?bool $onlyPaid, bool $with): Builder|Relation |
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{ |
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return Debt::select(['debts.*', DB::raw('members.name as member')]) |
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->join('loans', 'debts.loan_id', '=', 'loans.id') |
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->join('members', 'loans.member_id', '=', 'members.id') |
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->whereHas('loan', function(Builder $query) use($session, $fund) { |
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$query |
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->when($fund !== null, |
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fn(Builder $ql) => $ql->where('fund_id', $fund->id)) |
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->whereIn('fund_id', DB::table('v_fund_session') |
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->select('fund_id')->where('session_id', $session->id)) |
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->whereHas('session', |
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fn(Builder $qs) => $qs->where('day_date', '<=', $session->day_date)); |
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}) |
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->where(function(Builder $query) use($session) { |
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// The debts that are not yet refunded. |
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$query->orWhereDoesntHave('refund'); |
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// The debts that are refunded in or after the current session. |
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$query->orWhereHas('refund', fn(Builder $q) => $q->whereHas('session', |
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fn(Builder $qs) => $qs->where('day_date', '>=', $session->day_date))); |
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}) |
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->when($onlyPaid === false, fn(Builder $q) => $q->whereDoesntHave('refund')) |
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->when($onlyPaid === true, fn(Builder $q) => $q->whereHas('refund')) |
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->when($with, function(Builder $query) use($session) { |
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$query |
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->with([ |
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'loan.session', |
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'refund.session', |
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'partial_refunds.session', |
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'partial_refund' => fn($q) => $q->where('session_id', $session->id), |
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'loan.fund.sessions' => fn($q) => $q->select(['id', 'day_date']), |
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'loan.fund.interest', |
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]); |
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}); |
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} |
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/** |
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* @param Debt $debt |
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* @param Session $session |
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* |
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* @return bool |
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*/ |
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private function canCreateRefund(Debt $debt, Session $session): bool |
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{ |
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// Already refunded |
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// Cannot refund the principal debt in the same session as the loan. |
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if(!$session->opened || $debt->refund !== null || |
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$debt->is_principal && $debt->loan->session->id === $session->id) |
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{ |
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return false; |
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} |
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// Cannot refund a recurrent interest debt before the principal. |
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if($debt->is_interest && $debt->loan->recurrent_interest) |
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{ |
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return $debt->loan->principal_debt->refund !== null; |
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} |
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// Cannot refund the principal debt before the last partial refund. |
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$lastRefund = $debt->partial_refunds->sortByDesc('session.day_date')->first(); |
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return !$lastRefund || $lastRefund->session->day_date < $session->day_date; |
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} |
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/** |
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* @param Debt $debt |
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* @param Session $session |
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* |
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* @return bool |
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*/ |
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private function canDeleteRefund(Debt $debt, Session $session): bool |
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{ |
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// A refund can only be deleted in the same session it was created. |
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if(!$session->opened || !$debt->refund || $debt->refund->session_id !== $session->id) |
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{ |
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return false; |
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} |
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// Cannot delete the principal refund if the interest is also refunded. |
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if($debt->is_principal && $debt->loan->recurrent_interest) |
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{ |
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return $debt->loan->interest_debt->refund === null; |
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} |
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return true; |
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} |
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/** |
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* @param Debt $debt |
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* @param Session $session |
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* |
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* @return bool |
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*/ |
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private function canCreatePartialRefund(Debt $debt, Session $session): bool |
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{ |
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// Cannot refund the principal debt in the same session. |
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if(!$session->opened || $debt->refund !== null || |
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($debt->is_principal && $debt->loan->session->id === $session->id)) |
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{ |
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return false; |
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} |
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return true; |
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} |
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/** |
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* @param Debt $debt |
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* @param Session $session |
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* |
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* @return bool |
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*/ |
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private function isEditable(Debt $debt, Session $session): bool |
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{ |
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return $debt->loan->session_id === $session->id ? false : |
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($debt->refund !== null ? |
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$this->canDeleteRefund($debt, $session) : |
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$this->canCreateRefund($debt, $session)); |
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} |
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/** |
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* @param Debt $debt |
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* @param Session $session |
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* |
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* @return void |
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*/ |
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private function fillDebt(Debt $debt, Session $session): void |
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{ |
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$debt->isEditable = $this->isEditable($debt, $session); |
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$debt->canPartiallyRefund = $this->canCreatePartialRefund($debt, $session); |
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} |
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/** |
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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 getDebt(int $debtId): ?Debt |
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{ |
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return Debt::whereHas('loan', |
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fn(Builder|Relation $loanQuery) => $loanQuery->whereHas('member', |
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fn(Builder|Relation $memberQuery) => $memberQuery->where('guild_id', |
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$this->tenantService->guild()->id))) |
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->find($debtId); |
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} |
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/** |
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* @param Session $session The session |
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* @param Fund|null $fund |
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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 getFundDebt(Session $session, ?Fund $fund, int $debtId): ?Debt |
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{ |
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return tap($this->getDebtsQuery($session, $fund, null, true)->find($debtId), |
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fn(?Debt $debt) => $debt !== null && $this->fillDebt($debt, $session)); |
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} |
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} |
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lagdo /
tontine
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Checks if undeclared accessed properties appear in database migrations and if the creating migration is correct.