/**
* Load events from Google Calendar via API or from cache
* @return \EventCalendar\Goog\GoogData
* @throws GoogApiException
*/
public function loadEvents()
{
// return from cache
if (isset($this->cache)) {
$alreadySaved = $this->cache->load($this->year . '-' . $this->month);
if ($alreadySaved) {
return $alreadySaved;
}
}
// load via api
$json = json_decode($this->loadByApi());
if (isset($json->error)) {
throw new GoogApiException($json->error->message, $json->error->code);
}
$googData = new GoogData();
$googData->setName($json->summary);
$googData->setDescription($json->description);
if (isset($json->items)) {
foreach ($json->items as $item) {
$event = new GoogleEvent($item->id);
$event->setStatus($item->status)->setSummary($item->summary)->setCreated($item->created)->setUpdated($item->updated)->setHtmlLink($item->htmlLink)->setStart($item->start->dateTime)->setEnd($item->end->dateTime);
if (isset($item->location)) {
$event->setLocation($item->location);
}
if (isset($item->description)) {
$event->setDescription($item->description);
}
$googData->addEvent($event);
}
}
// save loaded data to cache
if (isset($this->cache)) {
if (isset($this->cacheExpiration)) {
$dependencies = array(Cache::EXPIRATION => $this->cacheExpiration->getTimestamp());
} else {
$dependencies = null;
}
$this->cache->save($this->year . '-' . $this->month, $googData, $dependencies);
}
return $googData;
}