Merge forwardport of #11274 to 2.3-develop branch

Applied pull request patch https://github.com/magento/magento2/pull/11274.patch (created by @marinagociu) based on commit(s):
  1. ae9f205
  2. f6121da

Fixed GitHub Issues in 2.3-develop branch:
  - #10477: Cart price rule has failed if use dropdown attribute (reported by @minosss)

app/code/Magento/SalesRule/Model/Rule/Condition/Product/Subselect.php

@@ -136,6 +136,7 @@ public function asHtml()
  *
  * @param \Magento\Framework\Model\AbstractModel $model
  * @return bool
+ * @SuppressWarnings(PHPMD.CyclomaticComplexity)
  */
  public function validate(\Magento\Framework\Model\AbstractModel $model)
  {
@@ -145,8 +146,22 @@ public function validate(\Magento\Framework\Model\AbstractModel $model)
  $attr = $this->getAttribute();
  $total = 0;
  foreach ($model->getQuote()->getAllVisibleItems() as $item) {
- if (parent::validate($item)) {
- $total += $item->getData($attr);
+ $hasValidChild = false;
+ $useChildrenTotal = ($item->getProductType() == \Magento\Catalog\Model\Product\Type::TYPE_BUNDLE);
+ $childrenAttrTotal = 0;
+ $children = $item->getChildren();
+ if (!empty($children)) {
+ foreach ($children as $child) {
+ if (parent::validate($child)) {
+ $hasValidChild = true;
+ if ($useChildrenTotal) {
+ $childrenAttrTotal += $child->getData($attr);
+ }
+ }
+ }
+ }
+ if ($hasValidChild || parent::validate($item)) {
+ $total += (($hasValidChild && $useChildrenTotal) ? $childrenAttrTotal : $item->getData($attr));
  }
  }
  return $this->validateAttribute($total);