Issue #3125191: \Drupal calls should be avoided in classes, use dependency injection instead

src/Controller/CandidatesListController.php

@@ -4,12 +4,36 @@ namespace Drupal\teamtailor\Controller;
 
 use Drupal\teamtailor\TeamtailorController;
 use Drupal\Core\Controller\ControllerBase;
+use Symfony\Component\DependencyInjection\ContainerInterface;
 
 class CandidatesListController extends ControllerBase {
 
+/**
+   * An teamtailor controller.
+   *
+   * @var \Drupal\teamtailor\TeamtailorController
+   */
+  private $teamtailor;
+
+  /**
+   * {@inheritdoc}
+   */
+  public function __construct(TeamtailorController $teamtailor) {
+    $this->teamtailor = $teamtailor;
+  }
+
+ /**
+   * {@inheritdoc}
+   */
+  public static function create(ContainerInterface $container) {
+    return new static(
+      $container->get('teamtailor.controller')
+    );
+  }
+
   public function content() {
     $data = [];
-    $controller = \Drupal::service('teamtailor.controller');
+    $controller = $this->teamtailor;
 
     $job_data = $controller->getData();