Add scheduling cache recalculation for admins

[MAILPOET-3646]

lib/AdminPages/PageRenderer.php

@@ -3,6 +3,7 @@
 namespace MailPoet\AdminPages;
 
 use MailPoet\Config\Renderer;
+use MailPoet\Cron\Workers\SubscribersCountCacheRecalculation;
 use MailPoet\Entities\SegmentEntity;
 use MailPoet\Features\FeaturesController;
 use MailPoet\Referrals\ReferralDetector;
@@ -29,18 +30,23 @@ class PageRenderer {
   /** @var SegmentsRepository */
   private $segmentRepository;
 
+  /** @var SubscribersCountCacheRecalculation */
+  private $subscribersCountCacheRecalculation;
+
   public function __construct(
     Renderer $renderer,
     FeaturesController $featuresController,
     SettingsController $settings,
     UserFlagsController $userFlags,
-    SegmentsRepository $segmentRepository
+    SegmentsRepository $segmentRepository,
+    SubscribersCountCacheRecalculation $subscribersCountCacheRecalculation
   ) {
     $this->renderer = $renderer;
     $this->featuresController = $featuresController;
     $this->settings = $settings;
     $this->userFlags = $userFlags;
     $this->segmentRepository = $segmentRepository;
+    $this->subscribersCountCacheRecalculation = $subscribersCountCacheRecalculation;
   }
 
   /**
@@ -70,6 +76,9 @@ class PageRenderer {
       ) {
         DIPanel::init();
       }
+      if (is_admin() && $this->subscribersCountCacheRecalculation->shouldBeScheduled()) {
+        $this->subscribersCountCacheRecalculation->schedule();
+      }
       echo $this->renderer->render($template, $data + $defaults);
     } catch (\Exception $e) {
       $notice = new WPNotice(WPNotice::TYPE_ERROR, $e->getMessage());