Version 1
[yaffs-website] / web / core / modules / dblog / src / Form / DblogClearLogConfirmForm.php
diff --git a/web/core/modules/dblog/src/Form/DblogClearLogConfirmForm.php b/web/core/modules/dblog/src/Form/DblogClearLogConfirmForm.php
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+<?php
+
+namespace Drupal\dblog\Form;
+
+use Drupal\Core\Form\FormStateInterface;
+use Drupal\Core\Url;
+use Drupal\Core\Database\Connection;
+use Drupal\Core\Form\ConfirmFormBase;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+
+/**
+ * Provides a confirmation form before clearing out the logs.
+ */
+class DblogClearLogConfirmForm extends ConfirmFormBase {
+
+  /**
+   * The database connection.
+   *
+   * @var \Drupal\Core\Database\Connection
+   */
+  protected $connection;
+
+  /**
+   * Constructs a new DblogClearLogConfirmForm.
+   *
+   * @param \Drupal\Core\Database\Connection $connection
+   *   The database connection.
+   */
+  public function __construct(Connection $connection) {
+    $this->connection = $connection;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public static function create(ContainerInterface $container) {
+    return new static(
+      $container->get('database')
+    );
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getFormId() {
+    return 'dblog_confirm';
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getQuestion() {
+    return $this->t('Are you sure you want to delete the recent logs?');
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getCancelUrl() {
+    return new Url('dblog.overview');
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function submitForm(array &$form, FormStateInterface $form_state) {
+    $_SESSION['dblog_overview_filter'] = [];
+    $this->connection->truncate('watchdog')->execute();
+    drupal_set_message($this->t('Database log cleared.'));
+    $form_state->setRedirectUrl($this->getCancelUrl());
+  }
+
+}