exchange-2.0/app/Classes/Modules/Transactions/Processors/CreateCashBackTransactionProcessor.php

<?php

namespace App\Classes\Modules\Transactions\Processors;

use App\Classes\Modules\Transactions\DataTransferObjects\TransactionObject;
use App\Classes\Modules\Transactions\Services\CreatesTransaction;
use App\Classes\Modules\Transactions\Services\CreatesTransactionDetail;
use App\Classes\Modules\Transactions\Services\DeletesTransactionDetails;
use App\Classes\Modules\Transactions\Services\UpdatesTransaction;
use App\Classes\Modules\Transactions\Services\UpdatesTransactionStatus;
use App\Classes\Modules\Transactions\Services\GeneratesTransactionBillNumber;
use App\Classes\Modules\Wallets\Processors\CreditWalletProcessor;

use App\Classes\Modules\Wallets\Services\CreatesWallet;
use App\Classes\Modules\Wallets\Services\GeneratesWalletCode;
use App\Classes\ValueObjects\Constants\CashBack;
use App\Classes\ValueObjects\Constants\ApprovalStatus;
use App\Classes\ValueObjects\Constants\TransactionType;
use App\Classes\ValueObjects\Constants\PaymentMethodType;
use App\Models\Booking;
use App\Models\Transaction;
use Carbon\Carbon;

class CreateCashBackTransactionProcessor
{

    /** @var UpdatesTransactionStatus */
    private $updatesTransactionStatus;

    /** @var CreatesTransaction */
    private $createsTransaction;

    /** @var CreatesTransactionDetail */
    private $createsTransactionDetail;

    /** @var UpdatesTransaction */
    private $updatesTransaction;

    /** @var DeletesTransactionDetails */
    private $deletesTransactionDetails;

    /** @var GeneratesTransactionBillNumber */
    private $generatesTransactionBillNumber;

    /** @var CreatesWallet */
    private $createsWallet;

    /** @var GeneratesWalletCode */
    private $generatesWalletCode;

    /** @var CreditWalletProcessor */
    private $creditWalletProcessor;

    /**
     * CreateCashBackTransactionProcessor constructor.
     * @param UpdatesTransactionStatus $updatesTransactionStatus
     * @param CreatesTransaction $createsTransaction
     * @param CreatesTransactionDetail $createsTransactionDetail
     * @param UpdatesTransaction $updatesTransaction
     * @param DeletesTransactionDetails $deletesTransactionDetails
     * @param GeneratesTransactionBillNumber $generatesTransactionBillNumber
     */
    public function __construct(UpdatesTransactionStatus $updatesTransactionStatus, CreatesTransaction $createsTransaction, CreatesTransactionDetail $createsTransactionDetail, UpdatesTransaction $updatesTransaction, DeletesTransactionDetails $deletesTransactionDetails, GeneratesTransactionBillNumber $generatesTransactionBillNumber, GeneratesWalletCode $generatesWalletCode, CreditWalletProcessor $creditWalletProcessor)
    {
        $this->createsTransaction = $createsTransaction;
        $this->createsTransactionDetail = $createsTransactionDetail;
        $this->updatesTransaction = $updatesTransaction;
        $this->deletesTransactionDetails = $deletesTransactionDetails;
        $this->generatesTransactionBillNumber = $generatesTransactionBillNumber;

        $this->generatesWalletCode = $generatesWalletCode;

        $this->creditWalletProcessor = $creditWalletProcessor;
    }


    /**
     * @param Booking $booking
     * @param TransactionObject $object
     * @return Transaction|\Illuminate\Database\Eloquent\Model
     * @throws \App\Classes\Exceptions\MalformedRequestException
     */
    public function execute(Transaction $transaction) 
    {
        $current_total_cash_back = Transaction::
            where('type', TransactionType::CASH_BACK)
            ->whereMonth('created_at', Carbon::now()->month)->sum('amount');

        if ($current_total_cash_back < CashBack::MAX) {

            $cash_back_segemnt = CashBack::SEGMENT;

            foreach ($cash_back_segemnt as $key => $row) {
                if ($row['max_value'] > $transaction->amount && $row['min_value'] <= $transaction->amount) {

                    $method = $this->getRandomWeightedElement($row['weight']);

                    $total = $transaction->amount * $row['percent'][$method];

                    $billNumber = $this->generatesTransactionBillNumber->execute('CBACK-');

                    $object = new TransactionObject(
                        $billNumber, 
                        TransactionType::CASH_BACK, 
                        $transaction->issuer, 
                        1,
                        1, 
                        PaymentMethodType::WALLET,
                        $total, 
                        $total, 
                        $transaction->currency_id, 
                        $transaction->currency_id,
                        1, 
                        0, 
                        0,
                        null,
                        ApprovalStatus::APPROVED,
                    );

                    $cash_back_transaction = $this->createsTransaction->execute($transaction, $object);

                    $credit = $this->creditWalletProcessor->execute($company, $transaction->type, $cash_back_transaction->amount, '');

                }
            }
        }

        return $transaction;
    }

     public function getRandomWeightedElement(array $weightedValues) {
        $rand = mt_rand(1, (int) array_sum($weightedValues));
        foreach ($weightedValues as $key => $value) {
            $rand -= $value;
            if ($rand <= 0) {
                return $key;
            }
        }
    }

}