public static function observeCssGroupFolder($groupId)
{
$objCss = ExtCssModel::findByPk($groupId);
if ($objCss === null || $objCss->observeFolderSRC == '') {
return false;
}
$objObserveModel = \FilesModel::findByUuid($objCss->observeFolderSRC);
if ($objObserveModel === null || !is_dir(TL_ROOT . '/' . $objObserveModel->path)) {
return false;
}
$lastUpdate = filemtime(TL_ROOT . '/' . $objObserveModel->path);
// check if folder content has updated
if ($lastUpdate <= $objObserveModel->tstamp) {
return false;
}
$objCssFiles = ExtCssFileModel::findMultipleByPids(array($groupId));
$arrOldFileNames = array();
if ($objCssFiles !== null) {
$objCssFilesModel = \FilesModel::findMultipleByUuids($objCssFiles->fetchEach('src'));
if ($objCssFilesModel !== null) {
$arrOldFileNames = $objCssFilesModel->fetchEach('path');
}
}
$arrFileNames = static::scanLessFiles($objObserveModel->path);
$arrDiff = array_diff($arrFileNames, $arrOldFileNames);
// exclude bootstrap variables src
$objVariablesModel = \FilesModel::findMultipleByUuids(deserialize($objCss->variablesOrderSRC, true));
$arrRemove = array();
if ($objVariablesModel !== null) {
$arrVariables = $objVariablesModel->fetchEach('path');
// remove variables from oberserve files
$arrDiff = array_diff($arrDiff, $arrVariables);
// remove variables from oberserve files
$arrRemove = array_intersect($arrOldFileNames, $arrVariables);
}
if (!empty($arrDiff)) {
// add new files
foreach ($arrDiff as $key => $path) {
static::addCssFileToGroup($path, $groupId);
}
}
// cleanup
$arrRemove = array_merge($arrRemove, array_diff($arrOldFileNames, $arrFileNames));
if (!empty($arrRemove)) {
// add new files
foreach ($arrRemove as $key => $path) {
// file is not part of the observed folder
if (strpos($path, $objObserveModel->path) === FALSE) {
continue;
}
static::removeCssFileFromGroup($path, $groupId);
}
}
return true;
}
protected function addCssFiles()
{
$objFiles = ExtCssFileModel::findMultipleByPids($this->ids, array('order' => 'FIELD(pid, ' . implode(",", $this->ids) . '), sorting DESC'));
if ($objFiles === null) {
return false;
}
while ($objFiles->next()) {
$objFileModel = \FilesModel::findByPk($objFiles->src);
if ($objFileModel === null) {
continue;
}
if (!file_exists(TL_ROOT . '/' . $objFileModel->path)) {
continue;
}
$objFile = new \File($objFileModel->path);
if ($objFile->size == 0) {
continue;
}
if ($this->isFileUpdated($objFile, $this->objUserCssFile)) {
$this->rewrite = true;
}
$this->objLess->parseFile($objFile->value);
}
}