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icingaweb2
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Web\StyleSheet: use Cache and ETags

This commit is contained in:
Thomas Gelf 2014-09-02 16:24:55 +02:00
parent ff6483cec5
commit f0d6cf994e
1 changed files with 29 additions and 11 deletions
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40
library/Icinga/Web/StyleSheet.php
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@ -5,6 +5,7 @@
namespace Icinga\Web;
use Icinga\Application\Icinga;
use Icinga\Web\FileCache;
use Icinga\Web\LessCompiler;
class StyleSheet
@ -44,28 +45,45 @@ class StyleSheet
public static function send($minified = false)
{
$app = Icinga::app();
$basedir = $app->getBootstrapDirecory();
foreach (self::$lessFiles as $file) {
$lessFiles[] = $basedir . '/' . $file;
}
$files = $lessFiles;
foreach ($app->getModuleManager()->getLoadedModules() as $name => $module) {
if ($module->hasCss()) {
$files[] = $module->getCssFilename();
}
}
if ($etag = FileCache::etagMatchesFiles($files)) {
header("HTTP/1.1 304 Not Modified");
return;
} else {
$etag = FileCache::etagForFiles($files);
}
header('Cache-Control: public');
header('ETag: "' . $etag . '"');
header('Content-Type: text/css');
$min = $minified ? '.min' : '';
$cacheFile = '/tmp/cache_icinga' . $min . '.css';
if (file_exists($cacheFile)) {
readfile($cacheFile);
exit;
$cacheFile = 'icinga-' . $etag . $min . '.css';
$cache = FileCache::instance();
if ($cache->has($cacheFile)) {
$cache->send($cacheFile);
return;
}
$less = new LessCompiler();
$basedir = Icinga::app()->getBootstrapDirecory();
foreach (self::$lessFiles as $file) {
$less->addFile($basedir . '/' . $file);
foreach ($lessFiles as $file) {
$less->addFile($file);
}
$less->addLoadedModules();
if ($minified) {
$less->compress();
}
$out = $less->compile();
// Not yet, this is for tests only. Waiting for Icinga\Web\Cache
// file_put_contents($cacheFile, $out);
$cache->store($cacheFile, $out);
echo $out;
}
}