/**
  * Execute method.
  *
  * @param \Magento\Framework\Event\Observer $observer
  *
  * @return $this
  */
 public function execute(\Magento\Framework\Event\Observer $observer)
 {
     try {
         if (!$this->registry->registry('core_config_data_save_after_done')) {
             if ($groups = $observer->getEvent()->getConfigData()->getGroups()) {
                 if (isset($groups['catalog_sync']['fields']['catalog_values']['value'])) {
                     $configAfter = $groups['catalog_sync']['fields']['catalog_values']['value'];
                     $configBefore = $this->registry->registry('core_config_data_save_before');
                     if ($configAfter != $configBefore) {
                         //reset catalog to re-import
                         $this->connectorCatalogFactory->create()->reset();
                     }
                     $this->registry->register('core_config_data_save_after_done', true);
                 }
             }
         }
         if (!$this->registry->registry('core_config_data_save_after_done_status')) {
             if ($groups = $observer->getEvent()->getConfigData()->getGroups()) {
                 if (isset($groups['data_fields']['fields']['order_statuses']['value'])) {
                     $configAfter = $groups['data_fields']['fields']['order_statuses']['value'];
                     $configBefore = $this->registry->registry('core_config_data_save_before_status');
                     if ($configAfter != $configBefore) {
                         //reset all contacts
                         $this->connectorContactFactory->create()->resetAllContacts();
                     }
                     $this->registry->register('core_config_data_save_after_done_status', true);
                 }
             }
         }
     } catch (\Exception $e) {
         $this->helper->debug((string) $e, []);
     }
     return $this;
 }
 /**
  * Refresh suppressed contacts.
  */
 public function execute()
 {
     $this->catalogFactory->create()->resetCatalog();
     $this->messageManager->addSuccessMessage(__('Done.'));
     $redirectUrl = $this->getUrl('adminhtml/system_config/edit', ['section' => 'connector_developer_settings']);
     $this->_redirect($redirectUrl);
 }