Merge remote-tracking branch 'origin/MAGETWO-86273' into 2.2-develop-pr56

Author: SeruyV

app/code/Magento/Reports/Model/ResourceModel/Quote/Collection.php

@@ -5,7 +5,11 @@
  */
 namespace Magento\Reports\Model\ResourceModel\Quote;
 
+use Magento\Store\Model\Store;
+
 /**
+ * Collection of abandoned quotes with reports join.
+ *
  * @api
  * @since 100.0.2
  */
@@ -48,6 +52,24 @@ public function __construct(
         $this->customerResource = $customerResource;
     }
 
+    /**
+     * Filter collections by stores.
+     *
+     * @param array $storeIds
+     * @param bool $withAdmin
+     * @return $this
+     */
+    public function addStoreFilter(array $storeIds, bool $withAdmin = true)
+    {
+        if ($withAdmin) {
+            $storeIds[] = Store::DEFAULT_STORE_ID;
+        }
+
+        $this->addFieldToFilter('store_id', ['in' => $storeIds]);
+
+        return $this;
+    }
+
     /**
      * Prepare for abandoned report
      *