--- /dev/null
+<?php
+
+namespace Drupal\update;
+
+use Drupal\Core\Config\ConfigFactoryInterface;
+use Drupal\Core\DependencyInjection\DependencySerializationTrait;
+use Drupal\Core\Extension\ModuleHandlerInterface;
+use Drupal\Core\Extension\ThemeHandlerInterface;
+use Drupal\Core\KeyValueStore\KeyValueFactoryInterface;
+use Drupal\Core\StringTranslation\TranslationInterface;
+use Drupal\Core\StringTranslation\StringTranslationTrait;
+use Drupal\Core\Utility\ProjectInfo;
+
+/**
+ * Default implementation of UpdateManagerInterface.
+ */
+class UpdateManager implements UpdateManagerInterface {
+ use DependencySerializationTrait;
+ use StringTranslationTrait;
+
+ /**
+ * The update settings
+ *
+ * @var \Drupal\Core\Config\Config
+ */
+ protected $updateSettings;
+
+ /**
+ * Module Handler Service.
+ *
+ * @var \Drupal\Core\Extension\ModuleHandlerInterface
+ */
+ protected $moduleHandler;
+
+ /**
+ * Update Processor Service.
+ *
+ * @var \Drupal\update\UpdateProcessorInterface
+ */
+ protected $updateProcessor;
+
+ /**
+ * An array of installed and enabled projects.
+ *
+ * @var array
+ */
+ protected $projects;
+
+ /**
+ * The key/value store.
+ *
+ * @var \Drupal\Core\KeyValueStore\KeyValueStoreExpirableInterface
+ */
+ protected $keyValueStore;
+
+ /**
+ * Update available releases key/value store.
+ *
+ * @var \Drupal\Core\KeyValueStore\KeyValueStoreExpirableInterface
+ */
+ protected $availableReleasesTempStore;
+
+ /**
+ * The theme handler.
+ *
+ * @var \Drupal\Core\Extension\ThemeHandlerInterface
+ */
+ protected $themeHandler;
+
+ /**
+ * Constructs a UpdateManager.
+ *
+ * @param \Drupal\Core\Config\ConfigFactoryInterface $config_factory
+ * The config factory.
+ * @param \Drupal\Core\Extension\ModuleHandlerInterface $module_handler
+ * The Module Handler service
+ * @param \Drupal\update\UpdateProcessorInterface $update_processor
+ * The Update Processor service.
+ * @param \Drupal\Core\StringTranslation\TranslationInterface $translation
+ * The translation service.
+ * @param \Drupal\Core\KeyValueStore\KeyValueFactoryInterface $key_value_expirable_factory
+ * The expirable key/value factory.
+ * @param \Drupal\Core\Extension\ThemeHandlerInterface $theme_handler
+ * The theme handler.
+ */
+ public function __construct(ConfigFactoryInterface $config_factory, ModuleHandlerInterface $module_handler, UpdateProcessorInterface $update_processor, TranslationInterface $translation, KeyValueFactoryInterface $key_value_expirable_factory, ThemeHandlerInterface $theme_handler) {
+ $this->updateSettings = $config_factory->get('update.settings');
+ $this->moduleHandler = $module_handler;
+ $this->updateProcessor = $update_processor;
+ $this->stringTranslation = $translation;
+ $this->keyValueStore = $key_value_expirable_factory->get('update');
+ $this->themeHandler = $theme_handler;
+ $this->availableReleasesTempStore = $key_value_expirable_factory->get('update_available_releases');
+ $this->projects = [];
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function refreshUpdateData() {
+
+ // Since we're fetching new available update data, we want to clear
+ // of both the projects we care about, and the current update status of the
+ // site. We do *not* want to clear the cache of available releases just yet,
+ // since that data (even if it's stale) can be useful during
+ // \Drupal\Update\UpdateManager::getProjects(); for example, to modules
+ // that implement hook_system_info_alter() such as cvs_deploy.
+ $this->keyValueStore->delete('update_project_projects');
+ $this->keyValueStore->delete('update_project_data');
+
+ $projects = $this->getProjects();
+
+ // Now that we have the list of projects, we should also clear the available
+ // release data, since even if we fail to fetch new data, we need to clear
+ // out the stale data at this point.
+ $this->availableReleasesTempStore->deleteAll();
+
+ foreach ($projects as $project) {
+ $this->updateProcessor->createFetchTask($project);
+ }
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function getProjects() {
+ if (empty($this->projects)) {
+ // Retrieve the projects from storage, if present.
+ $this->projects = $this->projectStorage('update_project_projects');
+ if (empty($this->projects)) {
+ // Still empty, so we have to rebuild.
+ $module_data = system_rebuild_module_data();
+ $theme_data = $this->themeHandler->rebuildThemeData();
+ $project_info = new ProjectInfo();
+ $project_info->processInfoList($this->projects, $module_data, 'module', TRUE);
+ $project_info->processInfoList($this->projects, $theme_data, 'theme', TRUE);
+ if ($this->updateSettings->get('check.disabled_extensions')) {
+ $project_info->processInfoList($this->projects, $module_data, 'module', FALSE);
+ $project_info->processInfoList($this->projects, $theme_data, 'theme', FALSE);
+ }
+ // Allow other modules to alter projects before fetching and comparing.
+ $this->moduleHandler->alter('update_projects', $this->projects);
+ // Store the site's project data for at most 1 hour.
+ $this->keyValueStore->setWithExpire('update_project_projects', $this->projects, 3600);
+ }
+ }
+ return $this->projects;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function projectStorage($key) {
+ $projects = [];
+
+ // On certain paths, we should clear the data and recompute the projects for
+ // update status of the site to avoid presenting stale information.
+ $route_names = [
+ 'update.theme_update',
+ 'system.modules_list',
+ 'system.theme_install',
+ 'update.module_update',
+ 'update.module_install',
+ 'update.status',
+ 'update.report_update',
+ 'update.report_install',
+ 'update.settings',
+ 'system.status',
+ 'update.manual_status',
+ 'update.confirmation_page',
+ 'system.themes_page',
+ ];
+ if (in_array(\Drupal::routeMatch()->getRouteName(), $route_names)) {
+ $this->keyValueStore->delete($key);
+ }
+ else {
+ $projects = $this->keyValueStore->get($key, []);
+ }
+ return $projects;
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function fetchDataBatch(&$context) {
+ if (empty($context['sandbox']['max'])) {
+ $context['finished'] = 0;
+ $context['sandbox']['max'] = $this->updateProcessor->numberOfQueueItems();
+ $context['sandbox']['progress'] = 0;
+ $context['message'] = $this->t('Checking available update data ...');
+ $context['results']['updated'] = 0;
+ $context['results']['failures'] = 0;
+ $context['results']['processed'] = 0;
+ }
+
+ // Grab another item from the fetch queue.
+ for ($i = 0; $i < 5; $i++) {
+ if ($item = $this->updateProcessor->claimQueueItem()) {
+ if ($this->updateProcessor->processFetchTask($item->data)) {
+ $context['results']['updated']++;
+ $context['message'] = $this->t('Checked available update data for %title.', ['%title' => $item->data['info']['name']]);
+ }
+ else {
+ $context['message'] = $this->t('Failed to check available update data for %title.', ['%title' => $item->data['info']['name']]);
+ $context['results']['failures']++;
+ }
+ $context['sandbox']['progress']++;
+ $context['results']['processed']++;
+ $context['finished'] = $context['sandbox']['progress'] / $context['sandbox']['max'];
+ $this->updateProcessor->deleteQueueItem($item);
+ }
+ else {
+ // If the queue is currently empty, we're done. It's possible that
+ // another thread might have added new fetch tasks while we were
+ // processing this batch. In that case, the usual 'finished' math could
+ // get confused, since we'd end up processing more tasks that we thought
+ // we had when we started and initialized 'max' with numberOfItems(). By
+ // forcing 'finished' to be exactly 1 here, we ensure that batch
+ // processing is terminated.
+ $context['finished'] = 1;
+ return;
+ }
+ }
+ }
+
+}
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