<?php namespace App\Models; use Illuminate\Database\Eloquent\Factories\HasFactory; use Illuminate\Database\Eloquent\Model; class PurchaseOrderItem extends Model { use HasFactory; protected $fillable = [ 'id', 'order_id', 'order_item_id', 'product_id', 'attribute_id', 'attribute_option_id', 'created_at', 'updated_at', ]; protected $appends = [ 'quantity' ]; public function product() { return $this->belongsTo(Product::class, 'product_id'); } public function attribute() { return $this->belongsTo(Attribute::class, 'attribute_id'); } public function attributeOption() { return $this->belongsTo(AttributeOption::class, 'attribute_option_id'); } public function orderItem() { return $this->belongsTo(OrderItems::class, 'order_item_id'); } public function order() { return $this->belongsTo(Order::class, 'order_id'); } protected function getQuantityAttribute() { return $this->orderItem->quantity; } }