<?php namespace Xentral\Modules\AmazonVendorDF\Data; class InventoryItem { /** @var Quantity */ private $quantity; /** @var string|null */ private $vendorProductIdentifier; /** @var bool|null */ private $isObsolete; /** @var string */ private $buyerProductIdentifier; public function __construct( Quantity $quantity, ?string $vendorProductIdentifier = null, ?bool $isObsolete = false, ?string $buyerProductIdentifier = null ) { $this->quantity = $quantity; $this->vendorProductIdentifier = $vendorProductIdentifier; $this->isObsolete = $isObsolete; $this->buyerProductIdentifier = $buyerProductIdentifier; } public function toArray(): array { return array_filter( [ 'buyerProductIdentifier' => $this->buyerProductIdentifier, 'vendorProductIdentifier' => $this->vendorProductIdentifier, 'availableQuantity' => $this->quantity->toArray(), 'isObsolete' => $this->isObsolete, ] ); } }