siopas-istw-website/app/Imports/PetiImport.php

<?php

namespace App\Imports;

use App\Models\Peti;
use App\Models\Customer;
use App\Models\Type_peti;
use App\Models\m_warehouse;
use App\Models\Kondisi_Peti;
use Illuminate\Support\Collection;
use Illuminate\Support\MessageBag;
use Illuminate\Support\Facades\Auth;
use Maatwebsite\Excel\Concerns\ToModel;
use Maatwebsite\Excel\Events\AfterImport;
use Maatwebsite\Excel\Concerns\ToCollection;
use Maatwebsite\Excel\Concerns\WithHeadingRow;

class PetiImport implements ToModel, WithHeadingRow
{
    private $rowCount = 0;
    private $errors;

    public function model(array $row)
    {
        // Pemeriksaan apakah semua kolom yang dibutuhkan ada dalam format yang benar
        $requiredColumns = ['tipe_peti_id', 'warna', 'customer_id', 'warehouse_id', 'kondisipeti_id', 'packing_no', 'fix_lot', 'status'];

        foreach ($requiredColumns as $column) {
            if (!array_key_exists($column, $row) || empty($row[$column])) {
                $this->errors[] = 'Kolom ' . $column . ' pada baris ' . $this->rowCount . ' tidak boleh kosong.';
                return null; // Abaikan data dengan kolom yang tidak sesuai
            }
        }

        $user = Auth::user();

        $existingPeti = Peti::where('fix_lot', $row['fix_lot'])->first();

        if ($existingPeti) {
            $this->errors[] = new MessageBag(['Row ' . $this->rowCount => 'Data Peti sudah ada dalam database.']);
            return null;
        }

        $tipePeti = Type_peti::firstOrCreate(
            ['type' => $row['tipe_peti_id']],
            ['size_peti' => 'Default Size', 'description' => 'Default Description']
        );

        $customer = Customer::firstOrCreate(
            ['name' => $row['customer_id']],
            ['code_customer' => 'Default Code', 'lot_no' => 'Default Lot No', 'no_tlp' => 'Default No Tlp', 'address' => 'Default Address']
        );

        $warehouse = m_warehouse::firstOrCreate(
            ['name' => $row['warehouse_id']],
            ['description' => 'Default Description', 'address' => 'Default Address']
        );

        $kondisiPeti = Kondisi_Peti::firstOrCreate(
            ['nama_kondisi' => $row['kondisipeti_id']],
            ['deskripsi_kondisi' => 'Default Deskripsi']
        );

        $this->rowCount++;

        return new Peti([
            'created_by' => $user->fullname,
            'tipe_peti_id' => $tipePeti->id,
            'warna' => $row['warna'],
            'customer_id' => $customer->id,
            'warehouse_id' => $warehouse->id,
            'date_pembuatan' => now(),
            'kondisipeti_id' => $kondisiPeti->id,
            'packing_no' => $row['packing_no'],
            'fix_lot' => $row['fix_lot'],
            'status' => $row['status'],
        ]);
    }

    public function registerEvents(): array
    {
        return [
            AfterImport::class => function (AfterImport $event) {
                $importedData = $event->getReader()->getDelegate()->getActiveSheet()->toArray();
                $filteredData = array_filter($importedData, function ($row) {
                    return $row[0] !== null;
                });

                $event->getReader()->getDelegate()->getActiveSheet()->fromArray($filteredData);
            },
        ];
    }

    public function getErrors()
    {
        return $this->errors;
    }

    public function getRowCount()
    {
        return $this->rowCount;
    }
}