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1<?php
2
3namespace Drupal\visitors\Controller;
4
5use Drupal\Core\Controller\ControllerBase;
6use Drupal\Core\Extension\ModuleHandlerInterface;
7use Drupal\Core\Form\FormBuilderInterface;
8use Drupal\Core\Messenger\MessengerInterface;
9use Drupal\Core\Url;
10use Symfony\Component\DependencyInjection\ContainerInterface;
11use Symfony\Component\HttpFoundation\RedirectResponse;
12
13/**
14 * Controller for the statistics migration form.
15 */
16class StatisticsMigrateController extends ControllerBase {
17
18  /**
19   * The module handler.
20   *
21   * @var \Drupal\Core\Extension\ModuleHandlerInterface
22   */
23  protected $moduleHandler;
24
25  /**
26   * The form builder.
27   *
28   * @var \Drupal\Core\Form\FormBuilderInterface
29   */
30  protected $formBuilder;
31
32  /**
33   * Constructs the counter service.
34   *
35   * @param \Drupal\Core\Extension\ModuleHandlerInterface $module_handler
36   *   The module handler.
37   * @param \Drupal\Core\Form\FormBuilderInterface $form_builder
38   *   The form builder.
39   * @param \Drupal\Core\Messenger\MessengerInterface $messenger
40   *   The messenger.
41   */
42  public function __construct(ModuleHandlerInterface $module_handler, FormBuilderInterface $form_builder, MessengerInterface $messenger) {
43    $this->moduleHandler = $module_handler;
44    $this->formBuilder = $form_builder;
45    $this->setMessenger($messenger);
46  }
47
48  /**
49   * {@inheritdoc}
50   */
51  public static function create(ContainerInterface $container) {
52    return new static(
53      $container->get('module_handler'),
54      $container->get('form_builder'),
55      $container->get('messenger'),
56    );
57  }
58
59  /**
60   * Migrate statistics.
61   */
62  public function migrate() {
63
64    $statistics_is_installed = $this->moduleHandler->moduleExists('statistics');
65    if (!$statistics_is_installed) {
66      $this->messenger()->addWarning('The Statistics module is not installed.');
67      $url = Url::fromRoute('visitors.settings');
68      $response = new RedirectResponse($url->toString());
69      return $response->send();
70    }
71
72    $form = $this->formBuilder->getForm('Drupal\visitors\Form\StatisticsMigrateForm');
73    return $form;
74  }
75
76}