Participant2Importer.php

<?php

namespace App\Filament\Imports;

use App\Models\Participant;
use Filament\Actions\Imports\ImportColumn;
use Filament\Actions\Imports\Importer;
use Filament\Actions\Imports\Models\Import;

class Participant2Importer extends Importer
{
  protected static ?string $model = Participant::class;

  public static function getColumns(): array
  {
    return [
      ImportColumn::make('first')
                  ->requiredMapping()
                  ->rules(['required', 'max:255']),
    ];
  }

  public function resolveRecord(): ?Participant
  {
    // return Participant2::firstOrNew([
    //     // Update existing records, matching them by `$this->data['column_name']`
    //     'email' => $this->data['email'],
    // ]);
    return new Participant();
  }

  public static function getCompletedNotificationBody(Import $import): string
  {
    $body = 'Your participant2 import has completed and ' . number_format($import->successful_rows) . ' ' . str('row')->plural($import->successful_rows) . ' imported.';
    if ($failedRowsCount = $import->getFailedRowsCount()) {
      $body .= ' ' . number_format($failedRowsCount) . ' ' . str('row')->plural($failedRowsCount) . ' failed to import.';
    }
    return $body;
  }
}