fix issue in validateCartItem, refactoring of CartRule helper

packages/Webkul/CartRule/src/Helpers/CartRule.php

@@ -144,7 +144,7 @@ class CartRule
         if ($staticCartRules::$cartID === cart()->getCart()->id && $staticCartRules::$cartRules) {
             return $staticCartRules::$cartRules;
         }
-        
+
         $staticCartRules::$cartID = cart()->getCart()->id;
 
         $customerGroupId = null;
@@ -157,21 +157,7 @@ class CartRule
             }
         }
 
-        $cartRules = $this->cartRuleRepository->scopeQuery(function ($query) use ($customerGroupId) {
-            return $query->leftJoin('cart_rule_customer_groups', 'cart_rules.id', '=', 'cart_rule_customer_groups.cart_rule_id')
-                         ->leftJoin('cart_rule_channels', 'cart_rules.id', '=', 'cart_rule_channels.cart_rule_id')
-                         ->where('cart_rule_customer_groups.customer_group_id', $customerGroupId)
-                         ->where('cart_rule_channels.channel_id', core()->getCurrentChannel()->id)
-                         ->where(function ($query1) {
-                             $query1->where('cart_rules.starts_from', '<=', Carbon::now()->format('Y-m-d'))
-                                 ->orWhereNull('cart_rules.starts_from');
-                         })
-                         ->where(function ($query2) {
-                             $query2->where('cart_rules.ends_till', '>=', Carbon::now()->format('Y-m-d'))
-                                 ->orWhereNull('cart_rules.ends_till');
-                         })
-                         ->orderBy('sort_order', 'asc');
-        })->findWhere(['status' => 1]);
+        $cartRules = $this->getCartRuleQuery($customerGroupId, core()->getCurrentChannel()->id);
 
         $staticCartRules::$cartRules = $cartRules;
         return $cartRules;
@@ -564,4 +550,32 @@ class CartRule
             }
         }
     }
+
+    /**
+     * @param $customerGroupId
+     * @param $channelId
+     *
+     * @return \Illuminate\Database\Eloquent\Collection
+     */
+    public function getCartRuleQuery($customerGroupId, $channelId): \Illuminate\Database\Eloquent\Collection
+    {
+        $cartRules = $this->cartRuleRepository->scopeQuery(function ($query) use ($customerGroupId, $channelId) {
+            return $query->leftJoin('cart_rule_customer_groups', 'cart_rules.id', '=',
+                'cart_rule_customer_groups.cart_rule_id')
+                ->leftJoin('cart_rule_channels', 'cart_rules.id', '=', 'cart_rule_channels.cart_rule_id')
+                ->where('cart_rule_customer_groups.customer_group_id', $customerGroupId)
+                ->where('cart_rule_channels.channel_id', $channelId)
+                ->where(function ($query1) {
+                    $query1->where('cart_rules.starts_from', '<=', Carbon::now()->format('Y-m-d'))
+                        ->orWhereNull('cart_rules.starts_from');
+                })
+                ->where(function ($query2) {
+                    $query2->where('cart_rules.ends_till', '>=', Carbon::now()->format('Y-m-d'))
+                        ->orWhereNull('cart_rules.ends_till');
+                })
+                ->orderBy('sort_order', 'asc');
+        })->findWhere(['status' => 1]);
+        return $cartRules;
+    }
+
 }

packages/Webkul/Checkout/src/Cart.php

@@ -816,7 +816,7 @@ class Cart
         }
 
         foreach ($cart->items as $item) {
-            if ($item->product && $item->product->status === 0) {
+            if ($this->isCartItemInactive($item)) {
 
                 $this->cartItemRepository->delete($item->id);
 
@@ -1123,6 +1123,25 @@ class Cart
         return $cart;
     }
 
+    /**
+     * Returns true, if cart item is inactive
+     *
+     * @param \Webkul\Checkout\Contracts\CartItem $item
+     *
+     * @return bool
+     */
+    private function isCartItemInactive(\Webkul\Checkout\Contracts\CartItem $item): bool {
+        if ($item->product->status === 0) {
+            return true;
+        }
+
+        if ($item->product->type === 'configurable' && $item->child && $item->child->product->status === 0) {
+            return true;
+        }
+
+        return false;
+    }
+
     /**
      * @param $user
      *

packages/Webkul/Product/src/Type/Configurable.php

@@ -2,6 +2,7 @@
 
 namespace Webkul\Product\Type;
 
+use Webkul\Customer\Contracts\CartItem;
 use Webkul\Product\Models\ProductAttributeValue;
 use Webkul\Product\Models\ProductFlat;
 use Illuminate\Support\Str;
@@ -539,10 +540,13 @@ class Configurable extends AbstractType
      * Validate cart item product price
      *
      * @param  \Webkul\Checkout\Contracts\CartItem  $item
-     * @return float
      */
     public function validateCartItem($item)
     {
+        if (! $item || ! $item->child) {
+            return;
+        }
+
         $price = $item->child->product->getTypeInstance()->getFinalPrice($item->quantity);
 
         if ($price == $item->base_price) {