/**
* 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;
}
/**
* Save any changes to the $gpAdmin array
* @param string $file Session file path
* @param string $checksum_read The original checksum of the $gpAdmin array
*
*/
public static function close($file, $checksum_read)
{
global $gpAdmin;
self::FatalNotices();
self::Cron();
self::LayoutInfo();
unset($gpAdmin['checksum']);
$checksum = \gp\tool::ArrayHash($gpAdmin);
//nothing changes
if ($checksum === $checksum_read) {
return;
}
if (!isset($gpAdmin['username'])) {
trigger_error('username not set');
die;
}
$gpAdmin['checksum'] = $checksum;
//store the new checksum
\gp\tool\Files::SaveData($file, 'gpAdmin', $gpAdmin);
}
/**
* Check for fatal errors corresponing to $hash
* Notify administrators of disabled components
*
*/
public static function FatalNotice($type, $info)
{
global $dataDir, $page;
static $notified = false;
$info = (array) $info;
$info['catchable_type'] = $type;
$hash = $type . '_' . \gp\tool::ArrayHash($info);
self::$catchable[$hash] = $info;
//no file = no fatal error
$file = $dataDir . '/data/_site/fatal_' . $hash;
if (!file_exists($file)) {
return false;
}
$error_info = $error_text = file_get_contents($file);
// if the file that caused the fatal error has been modified, treat as fixed
if ($error_text[0] == '{' && ($error_info = json_decode($error_text, true))) {
if (!empty($error_info['file']) && file_exists($error_info['file'])) {
//compare modified time
if (array_key_exists('file_modified', $error_info) && filemtime($error_info['file']) != $error_info['file_modified']) {
unlink($file);
return false;
}
//compare file size
if (array_key_exists('file_size', $error_info) && filesize($error_info['file']) != $error_info['file_size']) {
unlink($file);
return false;
}
}
}
if (!$notified) {
error_log('Warning: A component of this page has been disabled because it caused fatal errors');
$notified = true;
}
self::PopCatchable();
return true;
}
