hainan/app/Models/AgentProduct.php

<?php

namespace App\Models;

use App\Common\ProductStatus;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\SoftDeletes;

class AgentProduct extends BaseModel
{
    use HasFactory, SoftDeletes;

	protected $guarded = ['id'];

    public function product()
	{
		return $this->belongsTo(Product::class)->where('status', ProductStatus::ON_SALE);
	}

	public function coupon()
	{
		return $this->hasMany(Coupon::class);
	}

	public function fav()
	{
		return $this->hasOne(UserFav::class);
	}

	public function agent()
	{
		return $this->belongsTo(Agent::class);
	}

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

	public function setChannelIdAttribute($value)
	{
		if (is_array($value)) {
			$this->attributes['channel_id'] = join(',', array_filter($value));
		}
	}
}