hainan/app/Models/IndustryProduct.php

<?php

namespace App\Models;

use Dcat\Admin\Traits\HasDateTimeFormatter;
use Illuminate\Database\Eloquent\SoftDeletes;

class IndustryProduct extends BaseModel
{
	use HasDateTimeFormatter;
    use SoftDeletes;

	protected $casts = ['pictures' => 'json', 'extends' => 'json'];
	protected $appends = ['picture'];
	protected $fillable = ['status'];

	public function getPictureAttribute($value): string
	{
		return $this->pictures[0] ?? '';
	}

    public function supplier()
	{
		return $this->belongsTo(Supplier::class)->withTrashed();
	}

	public function category()
	{
		return $this->belongsTo(Category::class);
	}
}