/**
* Retrieve a topic by its ID.
* @param $topicId string
* @return HelpTopic
*/
function &getTopic($topicId)
{
$cache =& $this->_getCache($topicId);
$data = $cache->getContents();
// check if data exists after loading
if (!is_array($data)) {
$returner = false;
return $returner;
}
$topic = new HelpTopic();
$topic->setId($data['topic'][0]['attributes']['id']);
$topic->setTitle($data['topic'][0]['attributes']['title']);
$topic->setTocId($data['topic'][0]['attributes']['toc']);
if (isset($data['topic'][0]['attributes']['subtoc'])) {
$topic->setSubTocId($data['topic'][0]['attributes']['subtoc']);
}
if (isset($data['section'])) {
foreach ($data['section'] as $sectionData) {
$section = new HelpTopicSection();
$section->setTitle(isset($sectionData['attributes']['title']) ? $sectionData['attributes']['title'] : null);
$section->setContent($sectionData['value']);
$topic->addSection($section);
}
}
if (isset($data['related_topic'])) {
foreach ($data['related_topic'] as $relatedTopic) {
$relatedTopicArray = array('id' => $relatedTopic['attributes']['id'], 'title' => $relatedTopic['attributes']['title']);
$topic->addRelatedTopic($relatedTopicArray);
}
}
return $topic;
}
