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Current File : /var/www/finance.uiet.co.in/UietFinance/app/Exports/LedgerReportExport.php

<?php

namespace App\Exports;

use Maatwebsite\Excel\Concerns\FromCollection;
use Maatwebsite\Excel\Concerns\WithHeadings;
use Maatwebsite\Excel\Concerns\WithEvents;
use Maatwebsite\Excel\Events\AfterSheet;
use Carbon\Carbon;

class LedgerReportExport implements FromCollection, WithHeadings, WithEvents
{
    protected $ledgerData, $openingBalance, $startDate, $endDate, $ledgerHeadName;

    public function __construct($ledgerData, $openingBalance, $startDate, $endDate, $ledgerHeadName)
    {
        $this->ledgerData = $ledgerData;
        $this->openingBalance = $openingBalance;
        $this->startDate = $startDate;
        $this->endDate = $endDate;
        $this->ledgerHeadName = $ledgerHeadName;
    }

    public function collection()
    {
        $rows = collect();
        $balance = $this->openingBalance;
        $slNo = 1;
        $debitTotal = 0;
        $creditTotal = 0;

        // Opening Balance row
        $rows->push([
            'Sl No.' => $slNo++,
            'Date' => Carbon::parse($this->startDate)->format('d-m-Y'),
            'Voucher No.' => 'Opening Balance',
            'Ledger Head' => $this->ledgerHeadName ?? 'Opening Balance',
            'Party' => '',
            'Particular' => '',
            'Debit' => $this->openingBalance < 0 ? abs($this->openingBalance) : 0,
            'Credit' => $this->openingBalance > 0 ? abs($this->openingBalance) : 0,
            'Balance' => $balance,
        ]);

        // Calculate debit and credit totals for opening balance
        if ($this->openingBalance < 0) {
            $debitTotal += abs($this->openingBalance);
        } else {
            $creditTotal += abs($this->openingBalance);
        }

        // Ledger Data rows
        foreach ($this->ledgerData as $ld) {
            $debit = $ld->amount < 0 ? abs($ld->amount) : 0;
            $credit = $ld->amount > 0 ? abs($ld->amount) : 0;
            $balance += $ld->amount;

            // Update the debit and credit totals
            $debitTotal += $debit;
            $creditTotal += $credit;

            // Map Voucher No. and Particulars
            $rows->push([
                'Sl No.' => $slNo++,
                'Date' => isset($ld->created_at) ? Carbon::parse($ld->created_at)->format('d-m-Y') : 'N/A', // Use created_at here
                'Voucher No.' => $ld->voucher_no ?? 'N/A',
                'Ledger Head' => $ld->ledger_head_name ?? 'N/A',
                'Party' => $ld->paid_to_received_from ?? 'N/A',
                'Particular' => $ld->voucher_particulars ?? 'N/A',
                'Debit' => $debit,
                'Credit' => $credit,
                'Balance' => $balance,
            ]);
        }

        // Total row
        $rows->push([
            'Sl No.' => '',
            'Date' => '',
            'Voucher No.' => '',
            'Ledger Head' => '',
            'Party' => '',
            'Particular' => 'Total',
            'Debit' => $debitTotal,
            'Credit' => $creditTotal,
            'Balance' => '',
        ]);

        return $rows;
    }

    public function headings(): array
    {
        return ['Sl No.', 'Date', 'Voucher No.', 'Ledger Head', 'Party', 'Particular', 'Debit', 'Credit', 'Balance'];
    }

    public function registerEvents(): array
    {
        return [
            AfterSheet::class => function (AfterSheet $event) {
                $sheet = $event->sheet->getDelegate();
                $highestRow = $sheet->getHighestRow();

                // Bold headers
                $sheet->getStyle('A1:I1')->getFont()->setBold(true);
                $sheet->getStyle('A1:I1')->getAlignment()->setHorizontal(\PhpOffice\PhpSpreadsheet\Style\Alignment::HORIZONTAL_CENTER);

                foreach (range('A', 'I') as $col) {
                    $sheet->getColumnDimension($col)->setAutoSize(true);
                }

                $sheet->getStyle("G2:I{$highestRow}")
                    ->getNumberFormat()
                    ->setFormatCode('#,##0.00');
                $sheet->getStyle("A2:D{$highestRow}")
                    ->getAlignment()
                    ->setHorizontal(\PhpOffice\PhpSpreadsheet\Style\Alignment::HORIZONTAL_CENTER);
                $sheet->getStyle("G2:I{$highestRow}")
                    ->getAlignment()
                    ->setHorizontal(\PhpOffice\PhpSpreadsheet\Style\Alignment::HORIZONTAL_RIGHT);

                $sheet->getStyle("F{$highestRow}:H{$highestRow}")->getFont()->setBold(true);
            },
        ];
    }
}