From b96e45a8e189b3bd5bdeee289180f80bbd4a076c Mon Sep 17 00:00:00 2001
From: Jaseel P V <jaseelbavu@gmail.com>
Date: Tue, 13 Oct 2020 22:37:02 +0530
Subject: [PATCH] Added checks for discount and flat case

---
 packages/Webkul/Product/src/Type/AbstractType.php | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/packages/Webkul/Product/src/Type/AbstractType.php b/packages/Webkul/Product/src/Type/AbstractType.php
index 0b3e5a7a8..be75cb2e5 100644
--- a/packages/Webkul/Product/src/Type/AbstractType.php
+++ b/packages/Webkul/Product/src/Type/AbstractType.php
@@ -660,13 +660,15 @@ abstract class AbstractType
             }
 
             if ($price->value_type == 'discount') {
-                $lastPrice = $product->price - ($product->price * $price->value) / 100;
+                if ($price->value >= 0 && $price->value <= 100) {
+                    $lastPrice = $product->price - ($product->price * $price->value) / 100;
 
-                $lastQty = $price->qty;
+                    $lastQty = $price->qty;
 
-                $lastCustomerGroupId = $price->customer_group_id;
+                    $lastCustomerGroupId = $price->customer_group_id;
+                }
             } else {
-                if ($price->value < $lastPrice) {
+                if ($price->value >= 0 && $price->value < $lastPrice) {
                     $lastPrice = $price->value;
 
                     $lastQty = $price->qty;