From 64efb4fffd16251c3f7494c1d6d726200d3cea9c Mon Sep 17 00:00:00 2001
From: Glenn <jetaimemia@gmail.com>
Date: Mon, 16 Jul 2018 16:40:05 +0800
Subject: [PATCH] fix: Doesn't work if use date as condition for Catalog Price
 Rules

---
 app/code/Magento/CatalogRule/Model/Rule/Condition/Product.php | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/app/code/Magento/CatalogRule/Model/Rule/Condition/Product.php b/app/code/Magento/CatalogRule/Model/Rule/Condition/Product.php
index 51cb6638af48b..ab650c94a0f08 100644
--- a/app/code/Magento/CatalogRule/Model/Rule/Condition/Product.php
+++ b/app/code/Magento/CatalogRule/Model/Rule/Condition/Product.php
@@ -99,6 +99,10 @@ protected function _prepareDatetimeValue($value, \Magento\Framework\Model\Abstra
     {
         $attribute = $model->getResource()->getAttribute($this->getAttribute());
         if ($attribute && $attribute->getBackendType() == 'datetime') {
+            if (!$value) {
+                return null;
+            }
+            $this->setValue(strtotime($this->getValue()));
             $value = strtotime($value);
         }