Simple model wrapper for datastore class

Session.php

<?php

namespace Tek;

use Symfony\Component\HttpFoundation\Request;

class Session {
  public $sessionid;
  public $url;
  public $title;
  public $speaker;
  public $starttime;
  public $room;  
  
  public static function fromEntity(\Google_Service_Datastore_Entity $entity) {
    $s = new Session();
    $properties = $entity->getProperties();
    $s->sessionid = $properties['sessionid']->getIntegerValue();
    // 0 values seem to get supressed in response.
    $s->starttime = isset($properties['starttime']) ? $properties['starttime']->getIntegerValue() : 0;
    $s->url = $properties['url']->getStringValue();
    $s->title = $properties['title']->getStringValue();
    $s->speaker = $properties['speaker']->getStringValue();
    $s->room = $properties['room']->getStringValue();
    return $s;
  }
  
  public function getProperties() {
    $props = array();
    $props['sessionid'] = new \Google_Service_Datastore_Property();
    $props['sessionid']->setIntegerValue($this->sessionid);
    $props['sessionid']->setIndexed(true);
    $props['url'] = new \Google_Service_Datastore_Property();
    $props['url']->setStringValue($this->url);
    $props['title'] = new \Google_Service_Datastore_Property();
    $props['title']->setStringValue($this->title);
    $props['speaker'] = new \Google_Service_Datastore_Property();
    $props['speaker']->setStringValue($this->speaker);
    $props['starttime'] = new \Google_Service_Datastore_Property();
    $props['starttime']->setIntegerValue($this->starttime);
    $props['starttime']->setIndexed(true);
    $props['room'] = new \Google_Service_Datastore_Property();
    $props['room']->setStringValue($this->room);
    return $props;
  }
  
  /**
   * Helper function for creating a hallway track session
   */
  public static function makeHallway($starttime) {
    $h = new Session();
    $h->starttime = $starttime;
    $h->sessionid = "hallway-" . $h->starttime;
    $h->title = "Hallway Track";
    $h->speaker = "Anyone";
    $h->room = 'hallway';
    $h->url = '/static/images/hallway.jpg';
    return $h;
  }
}