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<?php
namespace App\Services;
use App\Models\Party\Party;
use App\Models\Sale\Sale;
use App\Models\Sale\SaleReturn;
use App\Models\Purchase\Purchase;
use App\Models\Purchase\PurchaseReturn;
use App\Models\Party\PartyTransaction;
use App\Models\Party\PartyPayment;
use App\Traits\FormatNumber;
class PartyService{
use FormatNumber;
/**
* Update Party balance in Party Model
*
* */
public function updatePartyBalance($model) : bool{
$itemTransactions = PartyTransaction::selectRaw('sum(to_pay) as to_pay, sum(to_receive) as to_receive')
->where('party_id', $model->id)
->get()
->first();
$model->to_pay = $itemTransactions->to_pay;
$model->to_receive = $itemTransactions->to_receive;
$model->save();
return true;
}
/**
* Get Party Credit Limit
* */
public function getPartyDetails($partyId)
{
return Party::find($partyId);
}
/**
* Get Party Credit Limit
* */
public function limitThePartyCreditLimit($partyId) : bool
{
$party = $this->getPartyDetails($partyId);
if($party->count()>0){
if($party->is_set_credit_limit == 0){
return true;
}
$creditLimit = $party->credit_limit;
if($party->party_type == 'customer' ){
//customer
$dueSaleAmount = $this->saleTransaction($partyId);
$dueSaleReturnAmount = $this->saleReturnTransaction($partyId);
$totalDue = $dueSaleAmount - $dueSaleReturnAmount;
if($totalDue > $creditLimit){
throw new \Exception(__('party.party_credit_limit_is_exceeding', ['credit_limit' => $this->formatWithPrecision($creditLimit), 'total_due' => $this->formatWithPrecision($totalDue)]));
}
}else{
//supplier
}
}
return false;
}
public function saleTransaction($partyId)
{
return Sale::selectRaw('coalesce(sum(grand_total) - sum(paid_amount), 0) as due_amount')
->where('party_id', $partyId)
->get()
->first()->due_amount;
}
public function saleReturnTransaction($partyId)
{
return SaleReturn::selectRaw('coalesce(sum(grand_total) - sum(paid_amount), 0) as due_amount')
->where('party_id', $partyId)
->get()
->first()->due_amount;
}
/**
* Calculate Balance of the Party
* */
public function getPartyBalance($partyId)
{
// Retrieve the party
$party = Party::findOrFail($partyId);
// Retrieve opening balance from PartyTransaction
$openingBalance = PartyTransaction::where('party_id', $partyId)
->selectRaw('COALESCE(SUM(to_receive) - SUM(to_pay), 0) as opening_balance')
->first()
->opening_balance ?? 0;
//Get Allocation amount based on PartyPayment
/**
* For Customers Sale Adjustments
* */
$partyPaymentReceiveSum = PartyPayment::where('party_id', $partyId)
->where('payment_direction', 'receive')
->selectRaw('
(SELECT SUM(amount) FROM party_payments
WHERE party_id = ? AND payment_direction = "receive")
-
COALESCE(
(SELECT SUM(payment_transactions.amount)
FROM payment_transactions
INNER JOIN party_payment_allocations
ON payment_transactions.id = party_payment_allocations.payment_transaction_id
WHERE party_payment_allocations.party_payment_id IN
(SELECT id FROM party_payments
WHERE party_id = ? AND payment_direction = "receive")
), 0)
AS total_amount',
[$partyId, $partyId]) // Bind parameters for safety
->value('total_amount') ?? 0;
//Get Allocation amount based on PartyPayment
/**
* For suppliers, Purchase adjustments
* */
$partyPaymentPaySum = PartyPayment::where('party_id', $partyId)
->where('payment_direction', 'pay')
->selectRaw('
(SELECT SUM(amount) FROM party_payments
WHERE party_id = ? AND payment_direction = "pay")
-
COALESCE(
(SELECT SUM(payment_transactions.amount)
FROM payment_transactions
INNER JOIN party_payment_allocations
ON payment_transactions.id = party_payment_allocations.payment_transaction_id
WHERE party_payment_allocations.party_payment_id IN
(SELECT id FROM party_payments
WHERE party_id = ? AND payment_direction = "pay")
), 0)
AS total_amount',
[$partyId, $partyId]) // Bind parameters for safety
->value('total_amount') ?? 0;
// Sale & Sale Payments
$saleBalance = Sale::where('party_id', $partyId)
->selectRaw('coalesce(sum(grand_total - paid_amount), 0) as total')
->value('total');
// Sale Return & its Payments
$saleReturnBalance = SaleReturn::where('party_id', $partyId)
->selectRaw('coalesce(sum(grand_total - paid_amount), 0) as total')
->value('total');
// Purchase & its Payments
$purchaseBalance = Purchase::where('party_id', $partyId)
->selectRaw('coalesce(sum((grand_total - shipping_charge) -
CASE
WHEN paid_amount >= (grand_total - shipping_charge)
THEN paid_amount - shipping_charge
ELSE paid_amount
END), 0) as total')
->value('total');
// Purchase Return & its Payments
$purchaseReturnBalance = PurchaseReturn::where('party_id', $partyId)
->selectRaw('coalesce(sum(grand_total - paid_amount), 0) as total')
->value('total');
//Calculate as per party
$balance = $openingBalance - ($partyPaymentReceiveSum - $partyPaymentPaySum);
// Calculate balance for customers (amount to receive)
$balance += ($saleBalance) - ($saleReturnBalance);
// Calculate balance for suppliers (amount to pay)
$balance -= ($purchaseBalance) - ($purchaseReturnBalance);
// Determine if the final balance indicates an amount owed or a receivable
if ($balance > 0) {
// The company should collect this amount from the party
return [
'balance' => $balance,
'status' => 'you_collect',
];
} elseif ($balance < 0) {
// The company owes this amount to the party
return [
'balance' => abs($balance), // Return positive amount
'status' => 'you_pay',
];
} else {
// The balances are equal
return [
'balance' => 0,
'status' => 'no_balance',
];
}
}
}