diff core/modules/config/src/Form/ConfigSync.php @ 0:c75dbcec494b

Initial commit from drush-created site

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/modules/config/src/Form/ConfigSync.php	Thu Jul 05 14:24:15 2018 +0000
@@ -0,0 +1,415 @@
+<?php
+
+namespace Drupal\config\Form;
+
+use Drupal\Core\Config\ConfigImporterException;
+use Drupal\Core\Config\ConfigImporter;
+use Drupal\Core\Config\TypedConfigManagerInterface;
+use Drupal\Core\Extension\ModuleHandlerInterface;
+use Drupal\Core\Extension\ModuleInstallerInterface;
+use Drupal\Core\Extension\ThemeHandlerInterface;
+use Drupal\Core\Config\ConfigManagerInterface;
+use Drupal\Core\Form\FormBase;
+use Drupal\Core\Config\StorageInterface;
+use Drupal\Core\Form\FormStateInterface;
+use Drupal\Core\Lock\LockBackendInterface;
+use Drupal\Core\Config\StorageComparer;
+use Drupal\Core\Render\RendererInterface;
+use Drupal\Core\Url;
+use Symfony\Component\EventDispatcher\EventDispatcherInterface;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+
+/**
+ * Construct the storage changes in a configuration synchronization form.
+ *
+ * @internal
+ */
+class ConfigSync extends FormBase {
+
+  /**
+   * The database lock object.
+   *
+   * @var \Drupal\Core\Lock\LockBackendInterface
+   */
+  protected $lock;
+
+  /**
+   * The sync configuration object.
+   *
+   * @var \Drupal\Core\Config\StorageInterface
+   */
+  protected $syncStorage;
+
+  /**
+   * The active configuration object.
+   *
+   * @var \Drupal\Core\Config\StorageInterface
+   */
+  protected $activeStorage;
+
+  /**
+   * The snapshot configuration object.
+   *
+   * @var \Drupal\Core\Config\StorageInterface
+   */
+  protected $snapshotStorage;
+
+  /**
+   * Event dispatcher.
+   *
+   * @var \Symfony\Component\EventDispatcher\EventDispatcherInterface
+   */
+  protected $eventDispatcher;
+
+  /**
+   * The configuration manager.
+   *
+   * @var \Drupal\Core\Config\ConfigManagerInterface;
+   */
+  protected $configManager;
+
+  /**
+   * The typed config manager.
+   *
+   * @var \Drupal\Core\Config\TypedConfigManagerInterface
+   */
+  protected $typedConfigManager;
+
+  /**
+   * The module handler.
+   *
+   * @var \Drupal\Core\Extension\ModuleHandlerInterface
+   */
+  protected $moduleHandler;
+
+  /**
+   * The theme handler.
+   *
+   * @var \Drupal\Core\Extension\ThemeHandlerInterface
+   */
+  protected $themeHandler;
+
+  /**
+   * The module installer.
+   *
+   * @var \Drupal\Core\Extension\ModuleInstallerInterface
+   */
+  protected $moduleInstaller;
+
+  /**
+   * The renderer.
+   *
+   * @var \Drupal\Core\Render\RendererInterface
+   */
+  protected $renderer;
+
+  /**
+   * Constructs the object.
+   *
+   * @param \Drupal\Core\Config\StorageInterface $sync_storage
+   *   The source storage.
+   * @param \Drupal\Core\Config\StorageInterface $active_storage
+   *   The target storage.
+   * @param \Drupal\Core\Config\StorageInterface $snapshot_storage
+   *   The snapshot storage.
+   * @param \Drupal\Core\Lock\LockBackendInterface $lock
+   *   The lock object.
+   * @param \Symfony\Component\EventDispatcher\EventDispatcherInterface $event_dispatcher
+   *   Event dispatcher.
+   * @param \Drupal\Core\Config\ConfigManagerInterface $config_manager
+   *   Configuration manager.
+   * @param \Drupal\Core\Config\TypedConfigManagerInterface $typed_config
+   *   The typed configuration manager.
+   * @param \Drupal\Core\Extension\ModuleHandlerInterface $module_handler
+   *   The module handler.
+   * @param \Drupal\Core\Extension\ModuleInstallerInterface $module_installer
+   *   The module installer.
+   * @param \Drupal\Core\Extension\ThemeHandlerInterface $theme_handler
+   *   The theme handler.
+   * @param \Drupal\Core\Render\RendererInterface $renderer
+   *   The renderer.
+   */
+  public function __construct(StorageInterface $sync_storage, StorageInterface $active_storage, StorageInterface $snapshot_storage, LockBackendInterface $lock, EventDispatcherInterface $event_dispatcher, ConfigManagerInterface $config_manager, TypedConfigManagerInterface $typed_config, ModuleHandlerInterface $module_handler, ModuleInstallerInterface $module_installer, ThemeHandlerInterface $theme_handler, RendererInterface $renderer) {
+    $this->syncStorage = $sync_storage;
+    $this->activeStorage = $active_storage;
+    $this->snapshotStorage = $snapshot_storage;
+    $this->lock = $lock;
+    $this->eventDispatcher = $event_dispatcher;
+    $this->configManager = $config_manager;
+    $this->typedConfigManager = $typed_config;
+    $this->moduleHandler = $module_handler;
+    $this->moduleInstaller = $module_installer;
+    $this->themeHandler = $theme_handler;
+    $this->renderer = $renderer;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function create(ContainerInterface $container) {
+    return new static(
+      $container->get('config.storage.sync'),
+      $container->get('config.storage'),
+      $container->get('config.storage.snapshot'),
+      $container->get('lock.persistent'),
+      $container->get('event_dispatcher'),
+      $container->get('config.manager'),
+      $container->get('config.typed'),
+      $container->get('module_handler'),
+      $container->get('module_installer'),
+      $container->get('theme_handler'),
+      $container->get('renderer')
+    );
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getFormId() {
+    return 'config_admin_import_form';
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function buildForm(array $form, FormStateInterface $form_state) {
+    $form['actions'] = ['#type' => 'actions'];
+    $form['actions']['submit'] = [
+      '#type' => 'submit',
+      '#value' => $this->t('Import all'),
+    ];
+    $source_list = $this->syncStorage->listAll();
+    $storage_comparer = new StorageComparer($this->syncStorage, $this->activeStorage, $this->configManager);
+    if (empty($source_list) || !$storage_comparer->createChangelist()->hasChanges()) {
+      $form['no_changes'] = [
+        '#type' => 'table',
+        '#header' => [$this->t('Name'), $this->t('Operations')],
+        '#rows' => [],
+        '#empty' => $this->t('There are no configuration changes to import.'),
+      ];
+      $form['actions']['#access'] = FALSE;
+      return $form;
+    }
+    elseif (!$storage_comparer->validateSiteUuid()) {
+      drupal_set_message($this->t('The staged configuration cannot be imported, because it originates from a different site than this site. You can only synchronize configuration between cloned instances of this site.'), 'error');
+      $form['actions']['#access'] = FALSE;
+      return $form;
+    }
+    // A list of changes will be displayed, so check if the user should be
+    // warned of potential losses to configuration.
+    if ($this->snapshotStorage->exists('core.extension')) {
+      $snapshot_comparer = new StorageComparer($this->activeStorage, $this->snapshotStorage, $this->configManager);
+      if (!$form_state->getUserInput() && $snapshot_comparer->createChangelist()->hasChanges()) {
+        $change_list = [];
+        foreach ($snapshot_comparer->getAllCollectionNames() as $collection) {
+          foreach ($snapshot_comparer->getChangelist(NULL, $collection) as $config_names) {
+            if (empty($config_names)) {
+              continue;
+            }
+            foreach ($config_names as $config_name) {
+              $change_list[] = $config_name;
+            }
+          }
+        }
+        sort($change_list);
+        $message = [
+          [
+            '#markup' => $this->t('The following items in your active configuration have changes since the last import that may be lost on the next import.')
+          ],
+          [
+            '#theme' => 'item_list',
+            '#items' => $change_list,
+          ]
+        ];
+        drupal_set_message($this->renderer->renderPlain($message), 'warning');
+      }
+    }
+
+    // Store the comparer for use in the submit.
+    $form_state->set('storage_comparer', $storage_comparer);
+
+    // Add the AJAX library to the form for dialog support.
+    $form['#attached']['library'][] = 'core/drupal.dialog.ajax';
+
+    foreach ($storage_comparer->getAllCollectionNames() as $collection) {
+      if ($collection != StorageInterface::DEFAULT_COLLECTION) {
+        $form[$collection]['collection_heading'] = [
+          '#type' => 'html_tag',
+          '#tag' => 'h2',
+          '#value' => $this->t('@collection configuration collection', ['@collection' => $collection]),
+        ];
+      }
+      foreach ($storage_comparer->getChangelist(NULL, $collection) as $config_change_type => $config_names) {
+        if (empty($config_names)) {
+          continue;
+        }
+
+        // @todo A table caption would be more appropriate, but does not have the
+        //   visual importance of a heading.
+        $form[$collection][$config_change_type]['heading'] = [
+          '#type' => 'html_tag',
+          '#tag' => 'h3',
+        ];
+        switch ($config_change_type) {
+          case 'create':
+            $form[$collection][$config_change_type]['heading']['#value'] = $this->formatPlural(count($config_names), '@count new', '@count new');
+            break;
+
+          case 'update':
+            $form[$collection][$config_change_type]['heading']['#value'] = $this->formatPlural(count($config_names), '@count changed', '@count changed');
+            break;
+
+          case 'delete':
+            $form[$collection][$config_change_type]['heading']['#value'] = $this->formatPlural(count($config_names), '@count removed', '@count removed');
+            break;
+
+          case 'rename':
+            $form[$collection][$config_change_type]['heading']['#value'] = $this->formatPlural(count($config_names), '@count renamed', '@count renamed');
+            break;
+        }
+        $form[$collection][$config_change_type]['list'] = [
+          '#type' => 'table',
+          '#header' => [$this->t('Name'), $this->t('Operations')],
+        ];
+
+        foreach ($config_names as $config_name) {
+          if ($config_change_type == 'rename') {
+            $names = $storage_comparer->extractRenameNames($config_name);
+            $route_options = ['source_name' => $names['old_name'], 'target_name' => $names['new_name']];
+            $config_name = $this->t('@source_name to @target_name', ['@source_name' => $names['old_name'], '@target_name' => $names['new_name']]);
+          }
+          else {
+            $route_options = ['source_name' => $config_name];
+          }
+          if ($collection != StorageInterface::DEFAULT_COLLECTION) {
+            $route_name = 'config.diff_collection';
+            $route_options['collection'] = $collection;
+          }
+          else {
+            $route_name = 'config.diff';
+          }
+          $links['view_diff'] = [
+            'title' => $this->t('View differences'),
+            'url' => Url::fromRoute($route_name, $route_options),
+            'attributes' => [
+              'class' => ['use-ajax'],
+              'data-dialog-type' => 'modal',
+              'data-dialog-options' => json_encode([
+                'width' => 700
+              ]),
+            ],
+          ];
+          $form[$collection][$config_change_type]['list']['#rows'][] = [
+            'name' => $config_name,
+            'operations' => [
+              'data' => [
+                '#type' => 'operations',
+                '#links' => $links,
+              ],
+            ],
+          ];
+        }
+      }
+    }
+    return $form;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function submitForm(array &$form, FormStateInterface $form_state) {
+    $config_importer = new ConfigImporter(
+      $form_state->get('storage_comparer'),
+      $this->eventDispatcher,
+      $this->configManager,
+      $this->lock,
+      $this->typedConfigManager,
+      $this->moduleHandler,
+      $this->moduleInstaller,
+      $this->themeHandler,
+      $this->getStringTranslation()
+    );
+    if ($config_importer->alreadyImporting()) {
+      drupal_set_message($this->t('Another request may be synchronizing configuration already.'));
+    }
+    else {
+      try {
+        $sync_steps = $config_importer->initialize();
+        $batch = [
+          'operations' => [],
+          'finished' => [get_class($this), 'finishBatch'],
+          'title' => t('Synchronizing configuration'),
+          'init_message' => t('Starting configuration synchronization.'),
+          'progress_message' => t('Completed step @current of @total.'),
+          'error_message' => t('Configuration synchronization has encountered an error.'),
+        ];
+        foreach ($sync_steps as $sync_step) {
+          $batch['operations'][] = [[get_class($this), 'processBatch'], [$config_importer, $sync_step]];
+        }
+
+        batch_set($batch);
+      }
+      catch (ConfigImporterException $e) {
+        // There are validation errors.
+        drupal_set_message($this->t('The configuration cannot be imported because it failed validation for the following reasons:'), 'error');
+        foreach ($config_importer->getErrors() as $message) {
+          drupal_set_message($message, 'error');
+        }
+      }
+    }
+  }
+
+  /**
+   * Processes the config import batch and persists the importer.
+   *
+   * @param \Drupal\Core\Config\ConfigImporter $config_importer
+   *   The batch config importer object to persist.
+   * @param string $sync_step
+   *   The synchronization step to do.
+   * @param array $context
+   *   The batch context.
+   */
+  public static function processBatch(ConfigImporter $config_importer, $sync_step, &$context) {
+    if (!isset($context['sandbox']['config_importer'])) {
+      $context['sandbox']['config_importer'] = $config_importer;
+    }
+
+    $config_importer = $context['sandbox']['config_importer'];
+    $config_importer->doSyncStep($sync_step, $context);
+    if ($errors = $config_importer->getErrors()) {
+      if (!isset($context['results']['errors'])) {
+        $context['results']['errors'] = [];
+      }
+      $context['results']['errors'] += $errors;
+    }
+  }
+
+  /**
+   * Finish batch.
+   *
+   * This function is a static function to avoid serializing the ConfigSync
+   * object unnecessarily.
+   */
+  public static function finishBatch($success, $results, $operations) {
+    if ($success) {
+      if (!empty($results['errors'])) {
+        foreach ($results['errors'] as $error) {
+          drupal_set_message($error, 'error');
+          \Drupal::logger('config_sync')->error($error);
+        }
+        drupal_set_message(\Drupal::translation()->translate('The configuration was imported with errors.'), 'warning');
+      }
+      else {
+        drupal_set_message(\Drupal::translation()->translate('The configuration was imported successfully.'));
+      }
+    }
+    else {
+      // An error occurred.
+      // $operations contains the operations that remained unprocessed.
+      $error_operation = reset($operations);
+      $message = \Drupal::translation()->translate('An error occurred while processing %error_operation with arguments: @arguments', ['%error_operation' => $error_operation[0], '@arguments' => print_r($error_operation[1], TRUE)]);
+      drupal_set_message($message, 'error');
+    }
+  }
+
+}