Version 1

[yaffs-website] / web / core / modules / system / src / Form / ModulesUninstallConfirmForm.php

diff --git a/web/core/modules/system/src/Form/ModulesUninstallConfirmForm.php b/web/core/modules/system/src/Form/ModulesUninstallConfirmForm.php
new file mode 100644 (file)
index 0000000..c72f240
--- /dev/null
+++ b/web/core/modules/system/src/Form/ModulesUninstallConfirmForm.php
@@ -0,0 +1,166 @@
+<?php
+
+namespace Drupal\system\Form;
+
+use Drupal\Core\Config\ConfigManagerInterface;
+use Drupal\Core\Config\Entity\ConfigDependencyDeleteFormTrait;
+use Drupal\Core\Entity\EntityManagerInterface;
+use Drupal\Core\Extension\ModuleInstallerInterface;
+use Drupal\Core\Form\ConfirmFormBase;
+use Drupal\Core\Form\FormStateInterface;
+use Drupal\Core\Url;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+use Drupal\Core\KeyValueStore\KeyValueStoreExpirableInterface;
+
+/**
+ * Builds a confirmation form to uninstall selected modules.
+ */
+class ModulesUninstallConfirmForm extends ConfirmFormBase {
+  use ConfigDependencyDeleteFormTrait;
+
+  /**
+   * The module installer service.
+   *
+   * @var \Drupal\Core\Extension\ModuleInstallerInterface
+   */
+  protected $moduleInstaller;
+
+  /**
+   * The expirable key value store.
+   *
+   * @var \Drupal\Core\KeyValueStore\KeyValueStoreExpirableInterface
+   */
+  protected $keyValueExpirable;
+
+  /**
+   * The configuration manager.
+   *
+   * @var \Drupal\Core\Config\ConfigManagerInterface
+   */
+  protected $configManager;
+
+  /**
+   * The entity manager.
+   *
+   * @var \Drupal\Core\Entity\EntityManagerInterface
+   */
+  protected $entityManager;
+
+  /**
+   * An array of modules to uninstall.
+   *
+   * @var array
+   */
+  protected $modules = [];
+
+  /**
+   * Constructs a ModulesUninstallConfirmForm object.
+   *
+   * @param \Drupal\Core\Extension\ModuleInstallerInterface $module_installer
+   *   The module installer.
+   * @param \Drupal\Core\KeyValueStore\KeyValueStoreExpirableInterface $key_value_expirable
+   *   The key value expirable factory.
+   * @param \Drupal\Core\Config\ConfigManagerInterface $config_manager
+   *   The configuration manager.
+   * @param \Drupal\Core\Entity\EntityManagerInterface $entity_manager
+   *   The entity manager.
+   */
+  public function __construct(ModuleInstallerInterface $module_installer, KeyValueStoreExpirableInterface $key_value_expirable, ConfigManagerInterface $config_manager, EntityManagerInterface $entity_manager) {
+    $this->moduleInstaller = $module_installer;
+    $this->keyValueExpirable = $key_value_expirable;
+    $this->configManager = $config_manager;
+    $this->entityManager = $entity_manager;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function create(ContainerInterface $container) {
+    return new static(
+      $container->get('module_installer'),
+      $container->get('keyvalue.expirable')->get('modules_uninstall'),
+      $container->get('config.manager'),
+      $container->get('entity.manager')
+    );
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getQuestion() {
+    return $this->t('Confirm uninstall');
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getConfirmText() {
+    return $this->t('Uninstall');
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getCancelUrl() {
+    return new Url('system.modules_uninstall');
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getDescription() {
+    return $this->t('Would you like to continue with uninstalling the above?');
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getFormId() {
+    return 'system_modules_uninstall_confirm_form';
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function buildForm(array $form, FormStateInterface $form_state) {
+    // Retrieve the list of modules from the key value store.
+    $account = $this->currentUser()->id();
+    $this->modules = $this->keyValueExpirable->get($account);
+
+    // Prevent this page from showing when the module list is empty.
+    if (empty($this->modules)) {
+      drupal_set_message($this->t('The selected modules could not be uninstalled, either due to a website problem or due to the uninstall confirmation form timing out. Please try again.'), 'error');
+      return $this->redirect('system.modules_uninstall');
+    }
+
+    $data = system_rebuild_module_data();
+    $form['text']['#markup'] = '<p>' . $this->t('The following modules will be completely uninstalled from your site, and <em>all data from these modules will be lost</em>!') . '</p>';
+    $form['modules'] = [
+      '#theme' => 'item_list',
+      '#items' => array_map(function ($module) use ($data) {
+        return $data[$module]->info['name'];
+      }, $this->modules),
+    ];
+
+    // List the dependent entities.
+    $this->addDependencyListsToForm($form, 'module', $this->modules, $this->configManager, $this->entityManager);
+
+    return parent::buildForm($form, $form_state);
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function submitForm(array &$form, FormStateInterface $form_state) {
+    // Clear the key value store entry.
+    $account = $this->currentUser()->id();
+    $this->keyValueExpirable->delete($account);
+
+    // Uninstall the modules.
+    $this->moduleInstaller->uninstall($this->modules);
+
+    drupal_set_message($this->t('The selected modules have been uninstalled.'));
+    $form_state->setRedirectUrl($this->getCancelUrl());
+  }
+
+}