shopit-back/app/Domains/Purchase/Models/PurchaseItem.php

<?php

namespace App\Domains\Purchase\Models;

use App\Domains\Attachable\Models\Attachment;
use Illuminate\Database\Eloquent\Attributes\Fillable;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;

#[Fillable([
    'compra_id',
    'source_catalog_item_id',
    'source_variant_id',
    'image_attachment_id',
    'nombre',
    'descripcion',
    'slug',
    'item_nombre',
    'variant_attributes',
    'cantidad',
    'precio_unitario',
    'discount_total',
    'tax_total',
    'total',
])]
class PurchaseItem extends Model
{
    use HasFactory;

    protected $table = 'compra_items';

    protected function casts(): array
    {
        return [
            'compra_id' => 'integer',
            'source_catalog_item_id' => 'integer',
            'source_variant_id' => 'integer',
            'image_attachment_id' => 'integer',
            'variant_attributes' => 'array',
            'cantidad' => 'integer',
            'precio_unitario' => 'decimal:2',
            'discount_total' => 'decimal:2',
            'tax_total' => 'decimal:2',
            'total' => 'decimal:2',
        ];
    }

    /**
     * @return BelongsTo<Purchase, $this>
     */
    public function purchase(): BelongsTo
    {
        return $this->belongsTo(Purchase::class, 'compra_id');
    }

    /** @return BelongsTo<Attachment, $this> */
    public function imageAttachment(): BelongsTo
    {
        return $this->belongsTo(Attachment::class, 'image_attachment_id');
    }
}