hainan/app/Models/Demand.php

<?php

namespace App\Models;

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

class Demand extends BaseModel
{
	use HasDateTimeFormatter;
	use SoftDeletes;

	protected $table = 'demand';

	public function publisher()
	{
		return $this->morphTo();
	}

	public function biddingUser()
	{
		return $this->morphTo();
	}

	public function product()
	{
		return $this->hasOne(Product::class, 'id', 'product_id');
	}

	public function agentproduct()
	{
		return $this->hasOne(AgentProduct::class, 'id', 'agent_product_id');
	}

	public function bidding()
	{
		return $this->hasOne(DemandBidding::class,'id','bidding_id');
	}
}