/**
* serve. The main entry point for this class
*
* Check the filename map, and get the files to be processed.
* Write the file to the webroot so that this script is one-time-only
*
* This script is intended to be used either in development; with the files generated added
* to the project repository.
*
* The following locations need to be writable to the php user:
* config/mi_compressor.php
* webroot/css
* webroot/js
*
* @param string $request
* @param mixed $type
* @static
* @return contents to be served up
* @access public
*/
public static function serve($request = '', $type = null)
{
self::$loadedFiles = array();
self::log('Request String: ' . $request);
$start = microtime(true);
if ($type === null) {
$type = array_pop(explode('.', $_GET['url']));
}
$requests = self::listFiles($request, $type);
if (!$requests) {
return false;
}
$fingerprint = self::_fingerprint($request);
$_request = str_replace($fingerprint, '', $request);
$_request = preg_replace('@\\.min$@', '', $_request);
if (count($requests) > 1 && $request != $_request) {
if ($_request[0] === '/') {
$path = WWW_ROOT . $_request . '.' . $type;
} else {
$path = WWW_ROOT . $type . DS . $_request . '.' . $type;
}
if (file_exists($path)) {
self::log("Uncompressed file exists ({$path})");
self::log("\tbypassing process method and using this file as input");
$oString = file_get_contents($path);
$return = self::minify($oString, $path);
}
}
if (empty($return)) {
self::$requestStack = array();
$return = self::process($requests, $type);
if (!isset(self::$requestMap[$type][$_request]['all'])) {
self::$requestMap[$type][$_request]['all'] = self::$requestStack;
self::_populateRequestMap(true);
}
}
if (self::cRead('store')) {
if ($request[0] === '/') {
$path = WWW_ROOT . ltrim($request, '/') . '.' . $type;
} else {
$path = WWW_ROOT . $type . DS . $request . '.' . $type;
}
if (count($requests) > 1 && strpos($path, '.min.')) {
$test = str_replace('.min.', '.', $path);
if (file_exists($test)) {
if (self::$__NumberHelper === null) {
App::import('Core', 'Helper');
App::import('Helper', 'App');
App::import('Helper', 'Number');
self::$__NumberHelper = new NumberHelper();
}
$oString = file_get_contents($test);
$oLength = strlen($oString);
$fLength = strlen($return);
$percent = round((1 - $fLength / $oLength) * 100);
$oSize = self::$__NumberHelper->toReadableSize($oLength);
$fSize = self::$__NumberHelper->toReadableSize($fLength);
self::log("Overall Reduction: {$percent}% ({$oSize} to {$fSize})");
}
}
$File = new File($path, true);
if (!$File->writable()) {
self::log("PROBLEM: Couldn't open {$path} for writing");
} else {
$File->delete();
$bytes = strlen($return);
self::log("Writing {$path} {$bytes} bytes");
$File->write($return);
}
}
if (self::cRead('debug')) {
$return = self::log() . $return;
}
return $return;
}
