/**
* Make a unique cache id for for this request.
*
* Any settings that could affect output are taken into consideration
*
* @return string
*/
protected static function _getCacheId()
{
return md5(serialize(array(Diglin_Minify_Source::getDigest(self::$_controller->sources), self::$_options['minifiers'], self::$_options['minifierOptions'], self::$_options['postprocessor'], self::$_options['bubbleCssImports'])));
}
/**
* Analyze sources (if there are any) and set $options 'contentType'
* and 'lastModifiedTime' if they already aren't.
*
* @param array $options options for Minify
*
* @return array options for Minify
*/
public final function analyzeSources($options = array())
{
if ($this->sources) {
if (!isset($options['contentType'])) {
$options['contentType'] = Diglin_Minify_Source::getContentType($this->sources);
}
// last modified is needed for caching, even if setExpires is set
if (!isset($options['lastModifiedTime'])) {
$max = 0;
foreach ($this->sources as $source) {
$max = max($source->lastModified, $max);
}
$options['lastModifiedTime'] = $max;
}
}
return $options;
}
