admin-erahn/app/Exports/LaporanKeseluruhan/AgingTebusAllExportExcel.php

<?php

namespace App\Exports\LaporanKeseluruhan;

use Maatwebsite\Excel\Concerns\FromArray;
use Maatwebsite\Excel\Concerns\ShouldAutoSize;
use Maatwebsite\Excel\Concerns\WithCustomValueBinder;
use Maatwebsite\Excel\Concerns\WithHeadings;
use Maatwebsite\Excel\Concerns\WithStrictNullComparison;
use PhpOffice\PhpSpreadsheet\Cell\Cell;
use PhpOffice\PhpSpreadsheet\Cell\DataType;
use PhpOffice\PhpSpreadsheet\Cell\DefaultValueBinder;
use PhpOffice\PhpSpreadsheet\Style\NumberFormat;
use Maatwebsite\Excel\Concerns\WithColumnFormatting;
use Maatwebsite\Excel\Concerns\WithMultipleSheets;
use Maatwebsite\Excel\Concerns\WithCustomStartCell;
use Maatwebsite\Excel\Events\AfterSheet;
use Maatwebsite\Excel\Concerns\WithEvents;

class AgingTebusAllExportExcel extends DefaultValueBinder implements 
    FromArray, 
    WithStrictNullComparison, 
    WithHeadings, 
    ShouldAutoSize, 
    WithCustomValueBinder, 
    WithColumnFormatting, 
    WithEvents,
    WithCustomStartCell
{
    protected $aging;
    protected $startDate;
    protected $endDate;


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

    public function array(): array
    {
        $rows = [];
        $totals = [];
    
        foreach ($this->aging as $branch) {
            $row = [$branch['cawangan']];
            $i = 0;
    
            foreach ($branch['summary_by_tempoh'] as $summary) {
                $row[] = $summary['count'];
                $row[] = $summary['sum_bayaran_keuntungan_rebet'];
    
                // Totals per column
                $totals[$i]['count'] = ($totals[$i]['count'] ?? 0) + $summary['count'];
                $totals[$i]['sum_bayaran_keuntungan_rebet'] = ($totals[$i]['sum_bayaran_keuntungan_rebet'] ?? 0) + $summary['sum_bayaran_keuntungan_rebet'];
                $i++;
            }
    
            // Total per row (cawangan)
            $jumlahBil = collect($branch['summary_by_tempoh'])->sum('count');
            $jumlahRM = collect($branch['summary_by_tempoh'])->sum('sum_bayaran_keuntungan_rebet');
            $row[] = $jumlahBil;
            $row[] = $jumlahRM;
    
            // Add to column totals
            $totals['jumlah']['count'] = ($totals['jumlah']['count'] ?? 0) + $jumlahBil;
            $totals['jumlah']['sum_bayaran_keuntungan_rebet'] = ($totals['jumlah']['sum_bayaran_keuntungan_rebet'] ?? 0) + $jumlahRM;
    
            $rows[] = $row;
        }
    
        // Add final total row
        $totalRow = ['Jumlah'];
        foreach ($totals as $key => $val) {
            $totalRow[] = $val['count'];
            $totalRow[] = $val['sum_bayaran_keuntungan_rebet'];
        }
    
        $rows[] = $totalRow;
    
        return $rows;
    }
    

    /**
     * Multi-row headings (2 rows)
     */
    public function headings(): array
    {
        $row1 = ['Cawangan'];
        $row2 = [''];

        if (!empty($this->aging[0]['summary_by_tempoh'])) {
            foreach ($this->aging[0]['summary_by_tempoh'] as $summary) {
                $row1[] = $summary['label'];
                $row1[] = ''; // empty to allow merged cell
                $row2[] = 'Bil';
                $row2[] = 'RM';
            }
        }

        $row1[] = 'Jumlah';
        $row1[] = ''; // for merged "Jumlah" cell
        $row2[] = 'Bil';
        $row2[] = 'RM';

        return [$row1, $row2];
    }

    public function columnFormats(): array
{
    $formats = [];
    $colIndex = 2; // Start at column B (Cawangan is A)

    $tempohCount = count($this->aging[0]['summary_by_tempoh'] ?? []);
    for ($i = 0; $i < $tempohCount; $i++) {
        // Bil column
        $bilCol = \PhpOffice\PhpSpreadsheet\Cell\Coordinate::stringFromColumnIndex($colIndex++);
        $formats[$bilCol] = NumberFormat::FORMAT_NUMBER; // ✅ No decimal

        // RM column
        $rmCol = \PhpOffice\PhpSpreadsheet\Cell\Coordinate::stringFromColumnIndex($colIndex++);
        $formats[$rmCol] = NumberFormat::FORMAT_NUMBER_COMMA_SEPARATED1; // RM with comma and decimals
    }

    // Jumlah Bil
    $jumlahBilCol = \PhpOffice\PhpSpreadsheet\Cell\Coordinate::stringFromColumnIndex($colIndex++);
    $formats[$jumlahBilCol] = NumberFormat::FORMAT_NUMBER; // ✅ No decimal

    // Jumlah RM
    $jumlahRMCol = \PhpOffice\PhpSpreadsheet\Cell\Coordinate::stringFromColumnIndex($colIndex++);
    $formats[$jumlahRMCol] = NumberFormat::FORMAT_NUMBER_COMMA_SEPARATED1;

    return $formats;
}


    public function bindValue(Cell $cell, $value)
    {
        if (is_numeric($value)) {
            $cell->setValueExplicit($value, DataType::TYPE_NUMERIC);
            return true;
        }

        return parent::bindValue($cell, $value);
    }

    /**
     * Merge heading cells using AfterSheet event
     */
    public function registerEvents(): array
    {
        return [
            AfterSheet::class => function(AfterSheet $event) {

                $sheet = $event->sheet->getDelegate();

                // Tajuk laporan
                $sheet->setCellValue('A1', 'LAPORAN AGING PENEBUSAN');

                // Tarikh laporan
                $sheet->setCellValue(
                    'A2',
                    'Tarikh : ' .
                    \Carbon\Carbon::parse($this->startDate)->format('d/m/Y') .
                    ' hingga ' .
                    \Carbon\Carbon::parse($this->endDate)->format('d/m/Y')
                );

                // Merge tajuk
                $lastColumn = \PhpOffice\PhpSpreadsheet\Cell\Coordinate::stringFromColumnIndex(
                    (count($this->aging[0]['summary_by_tempoh'] ?? []) * 2) + 3
                );

                $sheet->mergeCells("A1:{$lastColumn}1");

                // Style tajuk
                $sheet->getStyle("A1:{$lastColumn}1")->applyFromArray([
                    'font' => [
                        'bold' => true,
                        'size' => 14,
                    ],
                    'alignment' => [
                        'horizontal' => \PhpOffice\PhpSpreadsheet\Style\Alignment::HORIZONTAL_CENTER,
                    ],
                ]);

                // Merge header tempoh
                $colIndex = 2; // Start from column B
                $tempohCount = count($this->aging[0]['summary_by_tempoh'] ?? []);

                $headingRow = 3;

                for ($i = 0; $i < $tempohCount; $i++) {

                    $startCol = \PhpOffice\PhpSpreadsheet\Cell\Coordinate::stringFromColumnIndex($colIndex);

                    $endCol = \PhpOffice\PhpSpreadsheet\Cell\Coordinate::stringFromColumnIndex($colIndex + 1);

                    $sheet->mergeCells("{$startCol}{$headingRow}:{$endCol}{$headingRow}");

                    $colIndex += 2;
                }

                // Merge Jumlah
                $startCol = \PhpOffice\PhpSpreadsheet\Cell\Coordinate::stringFromColumnIndex($colIndex);

                $endCol = \PhpOffice\PhpSpreadsheet\Cell\Coordinate::stringFromColumnIndex($colIndex + 1);

                $sheet->mergeCells("{$startCol}{$headingRow}:{$endCol}{$headingRow}");
            },
        ];
    }
    
    // Mulakan sel untuk data bermula dari A4 (Baris 3 adalah header)
    public function startCell(): string
    {
        return 'A3'; // Data bermula dari baris 4
    }
}