sipadu_mbip/app/Model/Module/AuctionSale.php

<?php

namespace App\Model\Module;

Use App\Model\Module\Inventori;

class AuctionSale
{
	public $items = null;
	public $totalQty = 0;
	public $totalPrice = 0;

	public function __construct($oldCart)
	{
		if ($oldCart){
			$this->items=$oldCart->items;
			$this->totalQty=$oldCart->totalQty;
			$this->totalPrice=$oldCart->totalPrice;		
		}
	}

	public function add($item, $id, $harga, $barcode){
		// $inv = Inventori::where('_id',$id)->first();
		$storedItem = ['qty'=>0,'price'=>$harga, 'item'=>$item, 'barcode'=>array()];
		if($this->items){
			if(array_key_exists($id, $this->items))
			{		
				$storedItem = $this->items[$id];
			}
		}
		$storedItem['qty']++;
		$storedItem['price'] = $harga * $storedItem['qty'];
		array_push($storedItem['barcode'], $barcode);
		$this->items[$id] = $storedItem;
		$this->totalQty++;
		$this->totalPrice += $harga;
	}
}