MAGETWO-71515: Special/lowest price in child of a Configurable Product causes the entire product to show that price

Author: Dmytro Voskoboinikov

app/code/Magento/ConfigurableProduct/Pricing/Price/LowestPriceOptionsProvider.php

@@ -38,6 +38,8 @@ class LowestPriceOptionsProvider implements LowestPriceOptionsProviderInterface
      * @param LinkedProductSelectBuilderInterface $linkedProductSelectBuilder
      * @param CollectionFactory $collectionFactory
      * @param OptionsCollectionProvider|null $optionsCollectionProvider
+     *
+     * @SuppressWarnings(PHPMD.UnusedFormalParameter)
      */
     public function __construct(
         ResourceConnection $resourceConnection,

app/code/Magento/ConfigurableProduct/Pricing/Price/OptionsCollectionProvider.php

@@ -45,10 +45,8 @@ public function __construct(
      *
      * @return Collection
      */
-    public function getCollection(
-        array $linkedProductSelects,
-        array $attributesToSelect = ['price', 'special_price']
-    ) {
+    public function getCollection(array $linkedProductSelects, array $attributesToSelect = ['price', 'special_price'])
+    {
         $productIds = $this->resource->getConnection()->fetchCol(
             '(' . implode(') UNION (', $linkedProductSelects) . ')'
         );

app/code/Magento/ConfigurableProduct/view/base/templates/product/price/final_price.phtml

@@ -18,7 +18,7 @@ $priceModel = $block->getPriceType('regular_price');
 $finalPriceModel = $block->getPriceType('final_price');
 
 /** @var \Magento\Framework\Pricing\Price\PriceInterface $highestPriceModel */
-$highestPriceModel = $this->getPriceType('highest_price');
+$highestPriceModel = $block->getPriceType('highest_price');
 
 $idSuffix = $block->getIdSuffix() ? $block->getIdSuffix() : '';
 $schema = ($block->getZone() == 'item_view') ? true : false;

app/code/Magento/Swatches/view/frontend/web/js/swatch-renderer.js

@@ -930,11 +930,11 @@ define([
 
             $(this.options.normalPriceLabelSelector).hide();
 
-            _.each($('.' + this.options.classes.attributeOptionsWrapper), function (element) {
-                if ($(element).find('.' + this.options.classes.optionClass + '.selected').length === 0) {
-                    if ($(element).find('.' + this.options.classes.selectClass).length > 0) {
-                        _.each($(element).find('.' + this.options.classes.selectClass), function (element) {
-                            if ($(element).val() === '0') {
+            _.each($('.' + this.options.classes.attributeOptionsWrapper), function (attribute) {
+                if ($(attribute).find('.' + this.options.classes.optionClass + '.selected').length === 0) {
+                    if ($(attribute).find('.' + this.options.classes.selectClass).length > 0) {
+                        _.each($(attribute).find('.' + this.options.classes.selectClass), function (dropdown) {
+                            if ($(dropdown).val() === '0') {
                                 $(this.options.normalPriceLabelSelector).show();
                             }
                         }.bind(this));