penjadwalan-ga/app/Exports/PesertaEventExport.php

<?php
namespace App\Exports;

use App\Models\Events;
use App\Models\PesertaEvent;
use Carbon\Carbon;
use Illuminate\Support\Str;
use Maatwebsite\Excel\Concerns\FromCollection;
use Maatwebsite\Excel\Concerns\WithColumnFormatting;
use Maatwebsite\Excel\Concerns\WithHeadings;
use Maatwebsite\Excel\Concerns\WithEvents;
use Maatwebsite\Excel\Concerns\WithMapping;
use Maatwebsite\Excel\Concerns\WithCustomStartCell;
use Maatwebsite\Excel\Concerns\WithTitle;
use Maatwebsite\Excel\Events\AfterSheet;
use PhpOffice\PhpSpreadsheet\Style\NumberFormat;
use PhpOffice\PhpSpreadsheet\Cell\Cell;
use PhpOffice\PhpSpreadsheet\Cell\DataType;
use PhpOffice\PhpSpreadsheet\Cell\DefaultValueBinder;
use Maatwebsite\Excel\Concerns\WithCustomValueBinder;

class PesertaEventExport extends DefaultValueBinder implements FromCollection, WithHeadings, WithEvents, WithMapping, WithCustomStartCell, WithColumnFormatting, WithTitle, WithCustomValueBinder
{
    protected $eventId;

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

    public function collection()
    {
        return PesertaEvent::with('Peserta.Sekolah')->where('event_id', $this->eventId)->get();
    }

    public function headings(): array
    {
        return ["No", "Nama Anak", "Orang Tua", "No HP Orangtua", "Kelas", "Sekolah", "Status", "Tgl. Daftar"];
    }

    // Mapping supaya nomor urut otomatis
    public function map($peserta): array
    {
        static $no = 1;
        return [
            $no++, // No
            Str::title($peserta->Peserta->nama_anak ?? '-'),
            Str::title($peserta->Peserta->nama_orangtua ?? '-'),
            $peserta->Peserta->no_hp_orangtua
                ? "+62" . $peserta->Peserta->no_hp_orangtua
                : 'No Hp Belum Diisi',
            $peserta->Peserta->kelas ?? '-',
            $peserta->Peserta?->Sekolah?->nama_sekolah ?? ($peserta->Peserta?->asal_sekolah ?? '-'),
            $peserta->status ?? '-',
            Carbon::parse($peserta->created_at)->locale('id')->translatedFormat('d M Y'),
        ];
    }
    public function columnFormats(): array
    {
        return [
            'D' => NumberFormat::FORMAT_TEXT,
        ];
    }

    public function bindValue(Cell $cell, $value)
    {
        if (is_string($value) && str_starts_with($value, '+')) {
            $cell->setValueExplicit($value, DataType::TYPE_STRING);
            return true;
        }

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

    public function startCell(): string
    {
        return 'A6';
    }

    public function registerEvents(): array
    {
        $eventData = Events::find($this->eventId);

        return [
            AfterSheet::class => function(AfterSheet $event) use ($eventData) {
                $sheet = $event->sheet;

                // Header utama
                $sheet->mergeCells('A1:H1');
                $sheet->mergeCells('A2:H2');
                $sheet->mergeCells('A3:H3');
                $sheet->mergeCells('A4:H4');
                $sheet->mergeCells('A5:H5');
                $sheet->setCellValue(
                    'A2',
                    strtoupper(($eventData ? $eventData->nama_event : ''))
                );

                if ($eventData) {
                    $sheet->setCellValue(
                        'A3',
                        "{$eventData->jenis_event} | {$eventData->lokasi_event} | " .
                        \Carbon\Carbon::parse($eventData->tanggal_event)->translatedFormat('d M Y')
                    );

                    $sheet->setCellValue(
                        'A4',
                        $eventData->waktu_mulai . " - " . $eventData->waktu_selesai . " WIB"
                    );
                }

                $sheet->getStyle('A2')->applyFromArray([
                    'font' => ['bold' => true, 'size' => 16],
                    'alignment' => ['horizontal' => \PhpOffice\PhpSpreadsheet\Style\Alignment::HORIZONTAL_CENTER],
                ]);

                $sheet->getStyle('A3:A4')->applyFromArray([
                    'font' => ['italic' => true, 'size' => 11],
                    'alignment' => ['horizontal' => \PhpOffice\PhpSpreadsheet\Style\Alignment::HORIZONTAL_CENTER],
                ]);

                $sheet->getStyle('A6:H6')->applyFromArray([
                    'font' => ['bold' => true],
                    'fill' => [
                        'fillType' => \PhpOffice\PhpSpreadsheet\Style\Fill::FILL_SOLID,
                        'startColor' => ['rgb' => 'EFEFEF'],
                    ],
                    'alignment' => ['horizontal' => \PhpOffice\PhpSpreadsheet\Style\Alignment::HORIZONTAL_CENTER],
                ]);

                $lastRow = $sheet->getHighestRow();
                $sheet->getStyle("A6:H{$lastRow}")->applyFromArray([
                    'borders' => [
                        'allBorders' => [
                            'borderStyle' => \PhpOffice\PhpSpreadsheet\Style\Border::BORDER_THIN,
                            'color' => ['rgb' => '000000'],
                        ],
                    ],
                ]);

//                $sheet->mergeCells("A" . ($lastRow+1) . ":C" . ($lastRow+1));
                $sheet->setCellValue("G" . ($lastRow+1), "Total");
                $sheet->setCellValue("H" . ($lastRow+1), $lastRow - 6);

                $sheet->getStyle("G" . ($lastRow+1) . ":H" . ($lastRow+1))->applyFromArray([
                    'font' => ['bold' => true],
                    'alignment' => ['horizontal' => \PhpOffice\PhpSpreadsheet\Style\Alignment::HORIZONTAL_RIGHT],
                    'borders' => [
                        'allBorders' => [
                            'borderStyle' => \PhpOffice\PhpSpreadsheet\Style\Border::BORDER_THIN,
                            'color' => ['rgb' => '000000'],
                        ],
                    ],
                ]);
                $sheet->getStyle("G" . ($lastRow+1))->applyFromArray([
                    'fill' => [
                        'fillType' => \PhpOffice\PhpSpreadsheet\Style\Fill::FILL_SOLID,
                        'startColor' => ['rgb' => 'EFEFEF'],
                    ],
                ]);

                $lastRow = $sheet->getHighestRow();
                $sheet->getStyle("A7:A{$lastRow}")
                    ->getAlignment()->setHorizontal(\PhpOffice\PhpSpreadsheet\Style\Alignment::HORIZONTAL_CENTER);
                $sheet->getStyle("D7:D{$lastRow}")
                    ->getAlignment()->setHorizontal(\PhpOffice\PhpSpreadsheet\Style\Alignment::HORIZONTAL_CENTER);
                $sheet->getStyle("E7:E{$lastRow}")
                    ->getAlignment()->setHorizontal(\PhpOffice\PhpSpreadsheet\Style\Alignment::HORIZONTAL_CENTER);
                $sheet->getStyle("F7:F{$lastRow}")
                    ->getAlignment()->setHorizontal(\PhpOffice\PhpSpreadsheet\Style\Alignment::HORIZONTAL_CENTER);
                $sheet->getStyle("G7:G{$lastRow}")
                    ->getAlignment()->setHorizontal(\PhpOffice\PhpSpreadsheet\Style\Alignment::HORIZONTAL_CENTER);

                $sheet->getColumnDimension('A')->setWidth(5);
                $sheet->getColumnDimension('B')->setWidth(32);
                $sheet->getColumnDimension('C')->setWidth(32);
                $sheet->getColumnDimension('D')->setWidth(25);
                $sheet->getColumnDimension('E')->setWidth(8);
                $sheet->getColumnDimension('F')->setWidth(32);
                $sheet->getColumnDimension('G')->setWidth(19);
                $sheet->getColumnDimension('H')->setWidth(19);
            }
        ];
    }
    public function title(): string
    {
        $event = Events::find($this->eventId);
        return $event ? $event->nama_event : 'Event';
    }
}