/**
* Rebuilds the cache file by reading & parsing all ChordPro song files.
* @return array song list
*/
public function Rebuild()
{
// large song collections (1,000's of songs) might timeout, set max number of seconds for this task
set_time_limit(45);
$files = FileHelper::getFilenames(Config::$SongDirectory);
$songList = $this->buildFileList($files);
$this->cache->put(Config::SongCacheKey_FileName, serialize($songList));
return $songList;
}
/**
* Populates SongList View Model by reading and parsing filenames in the source directory
* @return SongList_Vm
*/
public function Build()
{
$files = FileHelper::getFilenames(Config::$SongDirectory);
$viewModel = new SongList_Vm();
foreach ($files as $filename) {
// Parse the filename (to make a Title) and create URL.
$s = preg_replace(Config::FileNamePattern, '$1', $filename);
$viewModel->Add($this->getTitle($s), Ugs::MakeUri(Actions::Song, $s));
}
$viewModel->Sort();
return $viewModel;
}