shipping-portal/app/Classes/Modules/Exports/Services/ExportsGroupTransactions.php

<?php

namespace App\Classes\Modules\Exports\Services;

use App\Classes\ValueObjects\Constants\PaymentMethodType;
use App\Classes\ValueObjects\Constants\TransactionType;
use App\Classes\ValueObjects\Constants\ApprovalStatus;
use App\Models\Group;
use App\Models\Transaction;
use Maatwebsite\Excel\Concerns\Exportable;
use Maatwebsite\Excel\Concerns\FromQuery;
use Maatwebsite\Excel\Concerns\ShouldAutoSize;
use Maatwebsite\Excel\Concerns\WithHeadingRow;
use Maatwebsite\Excel\Concerns\WithHeadings;
use Maatwebsite\Excel\Concerns\WithMapping;
use Illuminate\Http\Request;
use Carbon\Carbon;

class ExportsGroupTransactions implements
    FromQuery,
    WithHeadings,
    WithHeadingRow,
    WithMapping,
    ShouldAutoSize
{
    use Exportable;

    private $request;

    public function __construct(Request $request)
    {
        $this->request = $request;
    }

    public function headings(): array
    {
        return [
            'DocNo',
            'DocDate',
            'PaymentDate',
            'DebtorCode',
            'Ref',
            'ShipInfo',
            'AccNo',
            'DetailDescription',
            'FurtherDescription',
            'ProjNo',
            'DeptNo',
            'Qty',
            'UnitPrice',
            'TaxType',
            'TaxableAmt',
            'TaxRate'
        ];
    }

    public function query()
    {
        $start_date = $this->parseDate($this->request->input('startDate'));
        $end_date = $this->parseDate($this->request->input('endDate'));

        return Group::when($start_date && $end_date, function ($query) use ($start_date, $end_date) {
            $query->whereBetween('created_at', [
                $start_date->startOfDay(),
                $end_date->endOfDay()
            ]);
        })
            ->when($start_date && !$end_date, function ($query) use ($start_date) {
                $query->where('created_at', '>=', $start_date->startOfDay());
            })
            ->when(!$start_date && $end_date, function ($query) use ($end_date) {
                $query->where('created_at', '<=', $end_date->endOfDay());
            });
    }

    private function parseDate($date)
    {
        return $date ? Carbon::parse($date)->startOfDay() : null;
    }

    public function map($transaction): array
    {
        $company = $transaction->receiverCompany;
        return [
            '<<New>>',                                     //'DocNo',
            '',                                            //'DocDate',
            $transaction->created_at->format('m/d/Y H:m'), //'PaymentDate',
            $company->debtor,                              //'DebtorCode',
            $company->referece,                            //'Ref',
            $company->referece,                            //'ShipInfo',
            '500-0000',                                    //'AccNo',
            'X1 Freight Service Charge',                   //'DetailDescription',
            'FurtherDescription',                          //'FurtherDescription',
            'M3',                                          //'ProjNo',
            'CIEF',                                        //'DeptNo',
            '',                                            //'Qty',
            '',                                            //'UnitPrice',
            '',                                            //'TaxType',
            floatval($transaction->tax) > 0 ? number_format($transaction->tax, 2) : '0.00', //'TaxableAmt',
            '',                                            //'TaxRate'
        ];
    }

    private function getTaxType($tax_percentage)
    {
        return floatval($tax_percentage) > 0 ? 'SV-6' : '';
    }
}