/**
* Convert a .scss or .less files to .css and include it in the page
*
* @param mixed $scss_files A string or array of scss files
* @param string $type
* @return bool
*/
public static function Cache($file_array, $type = 'scss')
{
global $dataDir;
//generage the name of the css file from the modified times and content length of each imported file
$file_array = (array) $file_array;
$type = strtolower($type);
$files_hash = \gp\tool::ArrayHash($file_array);
$list_file = $dataDir . '/data/_cache/' . $type . '_' . $files_hash . '.list';
if (file_exists($list_file)) {
$list = explode("\n", file_get_contents($list_file));
//pop the etag
$etag = array_pop($list);
// generate an etag if needed or if logged in
if (\gp\tool::LoggedIn()) {
$etag = \gp\tool::FilesEtag($list);
}
$compiled_name = $type . '_' . $files_hash . '_' . $etag . '.css';
$compiled_file = '/data/_cache/' . $compiled_name;
if (file_exists($dataDir . $compiled_file)) {
return $compiled_file;
}
}
if ($type == 'less') {
$compiled = self::ParseLess($file_array);
} else {
$compiled = self::ParseScss($file_array);
}
if (!$compiled) {
return false;
}
// generate the file name
$etag = \gp\tool::FilesEtag($file_array);
$compiled_name = $type . '_' . $files_hash . '_' . $etag . '.css';
$compiled_file = '/data/_cache/' . $compiled_name;
// save the cache
// use the last line for the etag
$list = $file_array;
$list[] = $etag;
$cache = implode("\n", $list);
if (!\gp\tool\Files::Save($list_file, $cache)) {
return false;
}
//save the css
if (\gp\tool\Files::Save($dataDir . $compiled_file, $compiled)) {
return $compiled_file;
}
return false;
}