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<?php |
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namespace Siak\Tontine\Service\Payment; |
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use Illuminate\Database\Query\Builder; |
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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\Auction; |
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use Siak\Tontine\Model\Bill; |
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use Siak\Tontine\Model\Debt; |
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use Siak\Tontine\Model\Outflow; |
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use Siak\Tontine\Model\Fund; |
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use Siak\Tontine\Model\PartialRefund; |
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use Siak\Tontine\Model\Pool; |
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use Siak\Tontine\Model\Receivable; |
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use Siak\Tontine\Model\Session; |
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use Siak\Tontine\Service\Meeting\Saving\FundService; |
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class BalanceCalculator |
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{ |
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/** |
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* @param FundService $fundService |
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*/ |
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public function __construct(private FundService $fundService) |
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{} |
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/** |
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* @param Receivable $receivable |
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* |
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* @return int |
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*/ |
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public function getReceivableAmount(Receivable $receivable): int |
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{ |
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if($receivable->subscription->pool->deposit_fixed) |
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{ |
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return $receivable->subscription->pool->amount; |
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} |
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return !$receivable->deposit ? 0 : $receivable->deposit->amount; |
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} |
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/** |
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* @param bool $withPoolTable |
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* |
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* @return Builder |
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*/ |
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private function getDepositQuery(bool $withPoolTable): Builder |
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{ |
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return DB::table('deposits') |
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->join('receivables', 'deposits.receivable_id', '=', 'receivables.id') |
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->join('subscriptions', 'receivables.subscription_id', '=', 'subscriptions.id') |
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->when($withPoolTable, function(Builder $query) { |
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$query->join('pools', 'subscriptions.pool_id', '=', 'pools.id') |
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->join(DB::raw('pool_defs as pd'), 'pools.def_id', '=', 'pd.id'); |
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}); |
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} |
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/** |
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* @return Builder |
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*/ |
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private function getRemitmentQuery(): Builder |
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{ |
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return DB::table('remitments') |
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->join('payables', 'remitments.payable_id', '=', 'payables.id') |
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->join('subscriptions', 'payables.subscription_id', '=', 'subscriptions.id') |
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->join('pools', 'subscriptions.pool_id', '=', 'pools.id') |
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->join(DB::raw('v_pools as vp'), 'vp.pool_id', '=', 'pools.id') |
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->join(DB::raw('pool_defs as pd'), 'pools.def_id', '=', 'pd.id'); |
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} |
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/** |
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* @param Pool $pool |
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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 getPoolDepositAmount(Pool $pool, Session $session): int |
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{ |
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$query = $this->getDepositQuery(false) |
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->where('receivables.session_id', $session->id) |
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->where('subscriptions.pool_id', $pool->id); |
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return !$pool->deposit_fixed ? $query->sum('deposits.amount') : |
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$pool->amount * $query->count(); |
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} |
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/** |
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* @param Pool $pool |
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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 getPayableAmount(Pool $pool, Session $session): int |
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{ |
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if(!$pool->deposit_fixed) |
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{ |
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// Sum the amounts for all deposits |
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return $this->getPoolDepositAmount($pool, $session); |
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} |
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return $pool->amount * $pool->sessions()->count(); |
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} |
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/** |
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* @return string |
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*/ |
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private function getRemitmentAmountSqlValue(): string |
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{ |
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return 'pd.amount * vp.sessions_count'; |
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} |
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/** |
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* @param Pool $pool |
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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 getPoolRemitmentAmount(Pool $pool, Session $session): int |
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{ |
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if(!$pool->deposit_fixed) |
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{ |
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// Sum the amounts for all deposits |
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return $this->getPoolDepositAmount($pool, $session); |
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} |
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return $this->getRemitmentQuery() |
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->where('payables.session_id', $session->id) |
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->where('subscriptions.pool_id', $pool->id) |
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->sum(DB::raw($this->getRemitmentAmountSqlValue())); |
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} |
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/** |
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* @param Collection $sessionIds |
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* @param bool $lendable |
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* |
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* @return int |
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*/ |
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private function getDepositsAmount(Collection $sessionIds, bool $lendable) |
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{ |
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return $this->getDepositQuery(true) |
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->whereIn('deposits.session_id', $sessionIds) |
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->when($lendable, function(Builder $query) { |
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$query->where('pd.properties->deposit->lendable', true); |
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}) |
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->sum(DB::raw('deposits.amount + pd.amount')); |
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} |
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/** |
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* @param Collection $sessionIds |
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* @param bool $lendable |
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* |
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* @return int |
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*/ |
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private function getRemitmentsAmount(Collection $sessionIds, bool $lendable) |
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{ |
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return |
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// Remitment sum for pools with fixed deposits. |
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// Each value is the pool amount multiply by the number od sessions. |
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$this->getRemitmentQuery() |
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->whereIn('payables.session_id', $sessionIds) |
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->where('pd.properties->deposit->fixed', true) |
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->when($lendable, function(Builder $query) { |
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$query->where('pd.properties->deposit->lendable', true); |
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}) |
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->sum(DB::raw($this->getRemitmentAmountSqlValue())) |
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// Remitment sum for pools with libre deposits. |
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// Each value is the sum of deposits for the given pool. |
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+ $this->getDepositQuery(true) |
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->whereIn('deposits.session_id', $sessionIds) |
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->whereExists(function(Builder $query) { |
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$query->select(DB::raw(1))->from('remitments') |
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->join(DB::raw('payables p'), 'remitments.payable_id', '=', 'p.id') |
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->join(DB::raw('subscriptions s'), 'p.subscription_id', '=', 's.id') |
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->whereColumn('p.session_id', 'deposits.session_id') |
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->whereColumn('s.pool_id', 'pools.id'); |
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}) |
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->where('pd.properties->deposit->fixed', false) |
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->when($lendable, function(Builder $query) { |
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$query->where('pd.properties->deposit->lendable', true); |
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}) |
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->sum('deposits.amount'); |
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} |
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/** |
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* @param Collection $sessionIds |
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* |
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* @return int |
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*/ |
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private function getAuctionsAmount(Collection $sessionIds) |
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{ |
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return Auction::paid()->whereIn('session_id', $sessionIds)->sum('amount'); |
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} |
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/** |
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* @param Collection $sessionIds |
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* @param bool $lendable |
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* |
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* @return int |
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*/ |
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private function getSettlementsAmount(Collection $sessionIds, bool $lendable) |
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{ |
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return Bill::whereHas('settlement', fn($qs) => $qs->whereIn('session_id', $sessionIds)) |
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->when($lendable, fn($qb) => $qb->lendable(true)) |
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->sum('amount'); |
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} |
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/** |
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* @param Collection $sessionIds |
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* @param bool $lendable |
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* |
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* @return int |
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*/ |
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private function getOutflowsAmount(Collection $sessionIds, bool $lendable) |
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{ |
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return Outflow::whereIn('session_id', $sessionIds) |
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->when($lendable, function($query) { |
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$query->where(function($query) { |
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$query->whereDoesntHave('charge') |
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->orWhereHas('charge', fn($qb) => $qb->lendable(true)); |
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}); |
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}) |
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->sum('amount'); |
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} |
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/** |
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* @param Collection $sessionIds |
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* @param Fund $fund |
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* |
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* @return int |
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*/ |
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public function getSavingsAmount(Collection $sessionIds, Fund $fund) |
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{ |
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return $fund->savings() |
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->whereIn('session_id', $sessionIds) |
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->sum('amount'); |
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} |
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/** |
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* @param Collection $sessionIds |
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* @param Fund $fund |
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* |
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* @return int |
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*/ |
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public function getRefundsAmount(Collection $sessionIds, Fund $fund) |
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{ |
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return Debt::interest() |
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->whereHas('refund', fn($query) => $query->whereIn('session_id', $sessionIds)) |
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->whereHas('loan', fn($query) => $query->where('fund_id', $fund->id)) |
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->sum('amount'); |
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} |
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/** |
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* @param Collection $sessionIds |
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* @param Fund $fund |
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* |
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* @return int |
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*/ |
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public function getPartialRefundsAmount(Collection $sessionIds, Fund $fund) |
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{ |
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// Filter on debts that are not yet refunded. |
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return PartialRefund::whereIn('session_id', $sessionIds) |
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->whereHas('debt', function($query) use($fund) { |
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$query->interest() |
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->whereDoesntHave('refund') |
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->whereHas('loan', fn($query) => $query->where('fund_id', $fund->id)); |
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}) |
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->sum('amount'); |
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} |
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/** |
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* @param Collection $sessionIds |
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* @param Fund $fund |
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* |
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* @return int |
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*/ |
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private function getLoansAmount(Collection $sessionIds, Fund $fund) |
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{ |
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return Debt::principal() |
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->whereHas('loan', fn($ql) => $ql->where('fund_id', $fund->id) |
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->whereIn('session_id', $sessionIds)) |
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->sum('amount'); |
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} |
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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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private function getFundsAmount(Session $session) |
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{ |
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// Each fund can have a different set of sessions, so we need to loop on all funds. |
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return $this->fundService->getSessionFunds($session) |
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->reduce(function(int $amount, Fund $fund) use($session) { |
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$sessionIds = $this->fundService->getFundSessionIds($fund, $session); |
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return $amount |
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+ $this->getSavingsAmount($sessionIds, $fund) |
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+ $this->getRefundsAmount($sessionIds, $fund) |
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+ $this->getPartialRefundsAmount($sessionIds, $fund) |
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- $this->getLoansAmount($sessionIds, $fund); |
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}, 0); |
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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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309
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public function getBalanceForLoan(Session $session): int |
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310
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{ |
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// Get the ids of all the sessions until the current one. |
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$sessionIds = Session::precedes($session)->pluck('id'); |
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314
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|
|
return $this->getAuctionsAmount($sessionIds) |
|
315
|
|
|
+ $this->getSettlementsAmount($sessionIds, true) |
|
316
|
|
|
+ $this->getDepositsAmount($sessionIds, true) |
|
317
|
|
|
- $this->getRemitmentsAmount($sessionIds, true) |
|
318
|
|
|
- $this->getOutflowsAmount($sessionIds, true) |
|
319
|
|
|
+ $this->getFundsAmount($session); |
|
320
|
|
|
} |
|
321
|
|
|
|
|
322
|
|
|
/** |
|
323
|
|
|
* Get the amount available for outflow. |
|
324
|
|
|
* |
|
325
|
|
|
* @param Session $session The session |
|
326
|
|
|
* |
|
327
|
|
|
* @return int |
|
328
|
|
|
*/ |
|
329
|
|
|
public function getTotalBalance(Session $session): int |
|
330
|
|
|
{ |
|
331
|
|
|
// Get the ids of all the sessions until the current one. |
|
332
|
|
|
$sessionIds = Session::precedes($session)->pluck('id'); |
|
333
|
|
|
|
|
334
|
|
|
return $this->getAuctionsAmount($sessionIds) |
|
335
|
|
|
+ $this->getSettlementsAmount($sessionIds, false) |
|
336
|
|
|
+ $this->getDepositsAmount($sessionIds, false) |
|
337
|
|
|
- $this->getRemitmentsAmount($sessionIds, false) |
|
338
|
|
|
- $this->getOutflowsAmount($sessionIds, false) |
|
339
|
|
|
+ $this->getFundsAmount($session); |
|
340
|
|
|
} |
|
341
|
|
|
|
|
342
|
|
|
/** |
|
343
|
|
|
* Get the detailed amounts. |
|
344
|
|
|
* |
|
345
|
|
|
* @param Session $session The session |
|
346
|
|
|
* @param bool $lendable |
|
347
|
|
|
* |
|
348
|
|
|
* @return array<int> |
|
349
|
|
|
*/ |
|
350
|
|
|
public function getBalances(Session $session, bool $lendable): array |
|
351
|
|
|
{ |
|
352
|
|
|
$fundAmounts = $this->fundService->getSessionFunds($session) |
|
353
|
|
|
->reduce(function(array $amounts, Fund $fund) use($session) { |
|
354
|
|
|
$sessionIds = $this->fundService->getFundSessionIds($fund, $session); |
|
355
|
|
|
|
|
356
|
|
|
return [ |
|
357
|
|
|
'savings' => $amounts['savings'] + $this->getSavingsAmount($sessionIds, $fund), |
|
358
|
|
|
'loans' => $amounts['loans'] + $this->getLoansAmount($sessionIds, $fund), |
|
359
|
|
|
'refunds' => $amounts['refunds'] + $this->getRefundsAmount($sessionIds, $fund) + |
|
360
|
|
|
$this->getPartialRefundsAmount($sessionIds, $fund), |
|
361
|
|
|
]; |
|
362
|
|
|
}, ['savings' => 0, 'loans' => 0, 'refunds' => 0]); |
|
|
|
|
|
|
363
|
|
|
|
|
364
|
|
|
// Get the ids of all the sessions until the current one. |
|
365
|
|
|
$sessionIds = Session::precedes($session)->pluck('id'); |
|
366
|
|
|
return [ |
|
367
|
|
|
'auctions' => $this->getAuctionsAmount($sessionIds), |
|
368
|
|
|
'charges' => $this->getSettlementsAmount($sessionIds, $lendable), |
|
369
|
|
|
'deposits' => $this->getDepositsAmount($sessionIds, $lendable), |
|
370
|
|
|
'remitments' => $this->getRemitmentsAmount($sessionIds, $lendable), |
|
371
|
|
|
'outflows' => $this->getOutflowsAmount($sessionIds, $lendable), |
|
372
|
|
|
...$fundAmounts, |
|
373
|
|
|
]; |
|
374
|
|
|
} |
|
375
|
|
|
} |
|
376
|
|
|
|
lagdo /
tontine
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Checks if undeclared accessed properties appear in database migrations and if the creating migration is correct.