/**
* Replace the {{theme_plus_cached_asset::*}} insert tag.
*
* @see \Contao\Controller::replaceInsertTags
*
* @param $tag
*
* @return bool|mixed|string
* @SuppressWarnings(PHPMD.EvalExpression)
*/
public function replaceCachedAssetInsertTag($tag)
{
if ('theme_plus_cached_asset::' === substr($tag, 0, 25)) {
/** @var string $cacheKey The cache key. */
$cacheKey = substr($tag, 25);
/** @var string $assets */
$assets = $this->cache->fetch($cacheKey);
if ($assets) {
$variables = $this->compiler->getVariables();
extract($variables);
return eval($assets);
}
return '';
}
return false;
}
/**
* Load all stylesheets from the cache.
*
* @param \LayoutModel $layout
* @param array $stylesheets The search and replace array.
*
* @return void
*
* @SuppressWarnings(PHPMD.EvalExpression)
*/
protected function loadStylesheets(\PageModel $page, \LayoutModel $layout, &$stylesheets)
{
$key = 'css:' . $page->id;
$assets = $this->cache->fetch($key);
if ($assets) {
if ($page->cache) {
$stylesheets .= sprintf('{{theme_plus_cached_asset::%s|uncached}}', $key);
} else {
$variables = $this->compiler->getVariables();
extract($variables);
$stylesheets .= eval($assets);
}
} else {
$page->cache = false;
$this->parseStylesheets(RenderMode::LIVE, $page, $layout, $stylesheets);
}
}
/**
* Load all javascripts from the cache.
*
* @param \LayoutModel $layout
* @param array $scripts The search and replace array.
*
* @return void
*
* @SuppressWarnings(PHPMD.EvalExpression)
*/
protected function loadJavaScripts(\PageModel $page, \LayoutModel $layout, &$headScripts, &$bodyScripts)
{
$headKey = 'js:head:' . $page->id;
$headAssets = $this->cache->fetch($headKey);
$bodyKey = 'js:body:' . $page->id;
$bodyAssets = $this->cache->fetch($bodyKey);
if ($headAssets && $bodyAssets) {
if ($page->cache) {
$headScripts .= sprintf('{{theme_plus_cached_asset::%s|uncached}}', $headKey);
$bodyScripts .= sprintf('{{theme_plus_cached_asset::%s|uncached}}', $bodyKey);
} else {
$variables = $this->compiler->getVariables();
extract($variables);
$headScripts .= eval($headAssets);
$bodyScripts .= eval($bodyAssets);
}
} else {
$page->cache = false;
$this->parseJavaScripts(RenderMode::LIVE, $page, $layout, $headScripts, $bodyScripts);
}
}
/**
* Evaluate filter rules.
*
* @param AssetInterface $asset The asset.
*
* @return bool
*/
private function evaluateRules(FilterRules $filterRules)
{
return !$this->filterRulesCompiler->evaluate($filterRules);
}
private function generateCache(GeneratePreCompiledAssetsCacheEvent $event, EventDispatcherInterface $eventDispatcher, $organizeEventName, $renderEventName)
{
if ($event->getCacheCode()) {
return;
}
$date = date('r');
$page = $event->getPage();
$layout = $event->getLayout();
$defaultFilters = $event->getDefaultFilters();
$collections = $event->getCollections();
$result = <<<PHP
/**
* Assets cache
*
* created at: {$date}
* page id: {$page->id}
* layout id: {$layout->id}
*/
PHP;
// store all collections
foreach ($collections as $collection) {
$organizeEvent = new OrganizeAssetsEvent(RenderMode::LIVE, $page, $layout, $collection, $defaultFilters);
$eventDispatcher->dispatch($organizeEventName, $organizeEvent);
$assets = $organizeEvent->getOrganizedAssets()->all();
$debug = '';
$html = '';
foreach ($assets as $asset) {
$renderEvent = new RenderAssetHtmlEvent(RenderMode::LIVE, $page, $layout, $asset, $defaultFilters);
$eventDispatcher->dispatch($renderEventName, $renderEvent);
$debug .= $this->developerTool->getAssetDebugString($asset) . PHP_EOL . PHP_EOL;
$html .= $renderEvent->getHtml();
}
if ($html) {
$expression = $this->compiler->compile($collection->getFilterRules());
$debug = rtrim($debug);
$debug = explode(PHP_EOL, $debug);
$debug = implode(PHP_EOL . ' * ', $debug);
$debug = <<<PHP
/*
* Debug information:
*
* {$debug}
*/
PHP;
$html = var_export($html, true);
$result .= <<<PHP
if ({$expression}) {
{$debug}
return {$html};
}
PHP;
}
}
$result .= <<<PHP
return null;
PHP;
$event->setCacheCode($result);
}