mivita/app/Models/NewsletterList.php

<?php

namespace App\Models;

use App\Services\Newsletter\NewsletterListFilter;
use App\User;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\Relations\HasMany;

/**
 * Gespeicherte Filterkombination für den Newsletter-Export.
 */
class NewsletterList extends Model
{
    protected $fillable = [
        'name',
        'source',
        'filters',
        'created_by',
        'last_exported_at',
        'last_row_count',
    ];

    protected function casts(): array
    {
        return [
            'filters' => 'array',
            'last_exported_at' => 'datetime',
            'last_row_count' => 'integer',
        ];
    }

    public function creator(): BelongsTo
    {
        return $this->belongsTo(User::class, 'created_by');
    }

    public function exports(): HasMany
    {
        return $this->hasMany(NewsletterListExport::class, 'newsletter_list_id');
    }

    public function toFilter(): NewsletterListFilter
    {
        return NewsletterListFilter::fromArray((array) $this->filters);
    }

    public function applyFilter(NewsletterListFilter $filter): void
    {
        $this->source = $filter->source;
        $this->filters = $filter->toArray();
    }
}