/**
* Returns the meta data for the given page identifier
*
* The meta data is read from the global configuration and the page's config file (i.e. 'PageName.json'), whilst the
* page config takes precedence.
*
* @param string $identifier
* @param string $pageDataPath Determined path to the page contents
* @return array
*/
public function buildMetaDataForPageIdentifier($identifier, $pageDataPath = NULL)
{
$configuration = ConfigurationManager::getConfiguration();
$dataPath = $configuration->get('basePath') . $configuration->get('dataPath');
$pageName = $this->getPageNameForPageIdentifier($identifier);
$metaDataPath = $dataPath . $pageName . '.json';
// Read the global configuration
$metaData = ObjectUtility::valueForKeyPathOfObject("pages.{$identifier}.meta", $configuration, array());
// Check if the node exists
if (file_exists($metaDataPath)) {
$rawMetaData = file_get_contents($metaDataPath);
$metaData = array_merge($metaData, (array) json_decode($rawMetaData, TRUE));
}
if ($pageDataPath && file_exists($pageDataPath)) {
$metaData['date'] = date('c', filemtime($pageDataPath));
}
return $metaData;
}
/**
* Returns if the Page is an external link
*
* @return bool
*/
public function getIsExternalLink()
{
return ObjectUtility::valueForKeyPathOfObject('meta.url', $this) ? TRUE : FALSE;
}
/**
* Returns the assigned variable value
*
* @param string $keyPath
* @return string
*/
public function resolveExpressionKeyPath($keyPath)
{
if (isset($this->data[$keyPath])) {
return $this->data[$keyPath];
}
return ObjectUtility::valueForKeyPathOfObject($keyPath, $this->data);
}