MDVA-189: Dashboard: Nothing is displayed if Use Aggregated Data setting is turned on

Author: Yaroslav Voronoy

app/code/Magento/Backend/Helper/Dashboard/Order.php

@@ -5,6 +5,8 @@
  */
 namespace Magento\Backend\Helper\Dashboard;
 
+use Magento\Framework\App\ObjectManager;
+
 /**
  * Adminhtml dashboard helper for orders
  */
@@ -23,15 +25,12 @@ class Order extends \Magento\Backend\Helper\Dashboard\AbstractDashboard
     /**
      * @param \Magento\Framework\App\Helper\Context $context
      * @param \Magento\Reports\Model\ResourceModel\Order\Collection $orderCollection
-     * @param \Magento\Store\Model\StoreManagerInterface $storeManager
      */
     public function __construct(
         \Magento\Framework\App\Helper\Context $context,
-        \Magento\Reports\Model\ResourceModel\Order\Collection $orderCollection,
-        \Magento\Store\Model\StoreManagerInterface $storeManager
+        \Magento\Reports\Model\ResourceModel\Order\Collection $orderCollection
     ) {
         $this->_orderCollection = $orderCollection;
-        $this->_storeManager = $storeManager;
         parent::__construct(
             $context
         );
@@ -49,17 +48,31 @@ protected function _initCollection()
         if ($this->getParam('store')) {
             $this->_collection->addFieldToFilter('store_id', $this->getParam('store'));
         } elseif ($this->getParam('website')) {
-            $storeIds = $this->_storeManager->getWebsite($this->getParam('website'))->getStoreIds();
+            $storeIds = $this->getStoreManager()->getWebsite($this->getParam('website'))->getStoreIds();
             $this->_collection->addFieldToFilter('store_id', ['in' => implode(',', $storeIds)]);
         } elseif ($this->getParam('group')) {
-            $storeIds = $this->_storeManager->getGroup($this->getParam('group'))->getStoreIds();
+            $storeIds = $this->getStoreManager()->getGroup($this->getParam('group'))->getStoreIds();
             $this->_collection->addFieldToFilter('store_id', ['in' => implode(',', $storeIds)]);
         } elseif (!$this->_collection->isLive()) {
             $this->_collection->addFieldToFilter(
                 'store_id',
-                ['eq' => $this->_storeManager->getStore(\Magento\Store\Model\Store::ADMIN_CODE)->getId()]
+                ['eq' => $this->getStoreManager()->getStore(\Magento\Store\Model\Store::ADMIN_CODE)->getId()]
             );
         }
         $this->_collection->load();
     }
+
+    /**
+     * Get Store Manager
+     *
+     * @return \Magento\Store\Model\StoreManagerInterface
+     */
+    public function getStoreManager()
+    {
+        if (!$this->_storeManager) {
+            $this->_storeManager = ObjectManager::getInstance()->get('Magento\Store\Model\StoreManager');
+        }
+
+        return $this->_storeManager;
+    }
 }