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<?php |
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/** |
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* Similar to {@link RebuildStaticPagesTask}, but only queues pages for republication |
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* in the {@link StaticPagesQueue}. This queue is worked off by an independent task running constantly on the server. |
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*/ |
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class SiteTreeFullBuildEngine extends BuildTask { |
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/** |
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* @var URLArrayObject |
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*/ |
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protected $urlArrayObject; |
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private static $dependencies = array( |
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'urlArrayObject' => '%$URLArrayObject' |
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); |
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/** |
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* |
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* @var string |
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*/ |
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protected $description = 'Full cache rebuild: adds all pages on the site to the static publishing queue'; |
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/** @var int - chunk size (set via config) */ |
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private static $records_per_request = 200; |
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/** |
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* Checks if this task is enabled / disabled via the config setting |
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*/ |
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public function __construct() { |
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parent::__construct(); |
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if($this->config()->get('disabled') === true) { |
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$this->enabled = false; |
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} |
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} |
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public function setUrlArrayObject($o) { |
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$this->urlArrayObject = $o; |
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} |
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public function getUrlArrayObject() { |
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return $this->urlArrayObject; |
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} |
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/** |
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* |
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* @param SS_HTTPRequest $request |
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* @return bool |
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*/ |
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public function run($request) { |
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if($request->getVar('urls') && is_array($request->getVar('urls'))) { |
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return $this->queueURLs($request->getVar('urls')); |
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} |
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if($request->getVar('urls')) { |
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return $this->queueURLs(explode(',', $request->getVar('urls'))); |
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} |
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// The following shenanigans are necessary because a simple Page::get() |
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// will run out of memory on large data sets. This will take the pages |
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// in chunks by running this script multiple times and setting $_GET['start']. |
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// Chunk size can be set via yml (SiteTreeFullBuildEngine.records_per_request). |
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// To disable this functionality, just set a large chunk size and pass start=0. |
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increase_time_limit_to(); |
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$self = get_class($this); |
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$verbose = isset($_GET['verbose']); |
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if (isset($_GET['start'])) { |
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$this->runFrom((int)$_GET['start']); |
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} else { |
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foreach(array('framework','sapphire') as $dirname) { |
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$script = sprintf("%s%s$dirname%scli-script.php", BASE_PATH, DIRECTORY_SEPARATOR, DIRECTORY_SEPARATOR); |
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if (file_exists($script)) break; |
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} |
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$total = $this->getAllLivePages()->count(); |
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echo "Adding all pages to the queue. Total: $total\n\n"; |
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for ($offset = 0; $offset < $total; $offset += self::config()->records_per_request) { |
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echo "$offset.."; |
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$cmd = "php $script dev/tasks/$self start=$offset"; |
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if($verbose) echo "\n Running '$cmd'\n"; |
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$res = $verbose ? passthru($cmd) : `$cmd`; |
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if($verbose) echo " ".preg_replace('/\r\n|\n/', '$0 ', $res)."\n"; |
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} |
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} |
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} |
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/** |
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* Process a chunk of pages |
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* @param $start |
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*/ |
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protected function runFrom($start) { |
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$chunkSize = (int)self::config()->records_per_request; |
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$pages = $this->getAllLivePages()->sort('ID')->limit($chunkSize, $start); |
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$count = 0; |
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$arrNonCachedPages = array(); |
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// Collect all URLs into the queue |
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foreach($pages as $page) { |
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if (is_callable(array($page, 'canCache')) && !$page->canCache()) { |
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$arrNonCachedPages[] = |
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continue; |
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} |
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if (is_callable(array($page, 'urlsToCache'))) { |
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$this->getUrlArrayObject()->addUrlsOnBehalf($page->urlsToCache(), $page); |
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$count++; |
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} |
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} |
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$publisher = singleton('SiteTree')->getExtensionInstance('FilesystemPublisher'); |
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if ($publisher) { |
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foreach ($arrNonCachedPages as $page) { |
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$pathsArray = $publisher->urlsToPaths(array($page->Link())); |
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$filePath = $publisher->getDestDir() . '/' . array_shift($pathsArray); |
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@unlink($filePath); |
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$staleFilepath = str_replace(pathinfo($filePath, PATHINFO_EXTENSION), 'stale.html', $filePath); |
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@unlink($staleFilepath); |
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} |
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} |
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echo sprintf("SiteTreeFullBuildEngine: Queuing %d pages".PHP_EOL, $count); |
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} |
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/** |
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* Adds an array of urls to the Queue |
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* |
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* @param array $urls |
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* @return bool - if any pages were queued |
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*/ |
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protected function queueURLs($urls = array()) { |
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echo sprintf("SiteTreeFullBuildEngine: Queuing %d pages".PHP_EOL, count($urls)); |
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if(!count($urls)) { |
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return false; |
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} |
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$this->getUrlArrayObject()->addUrls($urls); |
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return true; |
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} |
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/** |
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* |
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* @return DataList |
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*/ |
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protected function getAllLivePages() { |
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ini_set('memory_limit', '512M'); |
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$oldMode = Versioned::get_reading_mode(); |
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if(class_exists('Subsite')) { |
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Subsite::disable_subsite_filter(true); |
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} |
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if(class_exists('Translatable')) { |
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Translatable::disable_locale_filter(); |
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} |
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Versioned::reading_stage('Live'); |
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$pages = DataObject::get("SiteTree"); |
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Versioned::set_reading_mode($oldMode); |
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return $pages; |
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} |
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} |
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silverstripe /
silverstripe-staticpublishqueue
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