/**
* Get all the modules for the current user that are tagged with $tag.
*
* If the $limit is set, the returned array is limited to the $limit tags.
*
* @param string $tag The tag for search.
* @param integer $limit The number of modules for return, 0 for all.
*
* @return array Array with results.
*/
public function getModulesByTag($tag, $limit = 0)
{
$foundResults = array();
$results = array();
$rights = Phprojekt_Loader::getLibraryClass('Phprojekt_Item_Rights');
$userId = Phprojekt_Auth::getUserId();
if (!empty($tag)) {
// Find the tag
$tagId = $this->_tags->getTagId($tag);
if ($tagId > 0) {
// Get The user-tags relations
$tagUserIds = $this->_tagsUsers->getUserTagIds(0, $tagId);
// Get The modules data
foreach ($tagUserIds as $tagUserId => $tagId) {
$foundResults = array_merge($foundResults, $this->_tagsModules->getModulesByRelationId($tagUserId));
}
// Return the $limit tags
if ($limit > 0) {
$foundResults = array_slice($foundResults, 0, $limit);
}
// Convert result to array and add the display data
// only fetch records with read access
$display = Phprojekt_Loader::getLibraryClass('Phprojekt_Search_Display');
$dataForDisplay = array();
foreach ($foundResults as $result) {
if ($rights->getItemRight($result['moduleId'], $result['itemId'], $userId) > 0) {
$dataForDisplay[$result['moduleId']][] = $result['itemId'];
}
}
$results = $display->getDisplay($dataForDisplay);
}
}
return $results;
}
