FileItem.php

<?php
 
namespace ceLTIc\LTI\Content;
 
class FileItem extends Item
{
 
    private $copyAdvice = null;
 
    private $expiresAt = null;
 
    function __construct($placementAdvices = null, $id = null)
    {
        parent::__construct(Item::TYPE_FILE, $placementAdvices, $id);
    }
 
    public function setCopyAdvice($copyAdvice)
    {
        $this->copyAdvice = $copyAdvice;
    }
 
    public function setExpiresAt($expiresAt)
    {
        $this->expiresAt = $expiresAt;
    }
 
    public function toJsonldObject()
    {
        $item = parent::toJsonldObject();
        if (!is_null($this->copyAdvice)) {
            $item->copyAdvice = $this->copyAdvice;
        }
        if (!empty($this->expiresAt)) {
            $item->expiresAt = gmdate('Y-m-d\TH:i:s\Z', $this->expiresAt);
        }
 
        return $item;
    }
 
    public function toJsonObject()
    {
        $item = parent::toJsonObject();
        if (!empty($this->expiresAt)) {
            $item->expiresAt = gmdate('Y-m-d\TH:i:s\Z', $this->expiresAt);
        }
 
        return $item;
    }
 
    protected function fromJsonObject($item)
    {
        parent::fromJsonObject($item);
        foreach (get_object_vars($item) as $name => $value) {
            switch ($name) {
                case 'copyAdvice':
                case 'expiresAt':
                    $this->{$name} = $item->{$name};
                    break;
            }
        }
    }
 
}