Fixed Issue 12225: Tier pricing tax shows only including tax

app/code/Magento/Catalog/Pricing/Price/TierPrice.php

@@ -9,19 +9,27 @@
 use Magento\Catalog\Model\Product;
 use Magento\Customer\Api\GroupManagementInterface;
 use Magento\Customer\Model\Session;
+use Magento\Framework\App\Config\ScopeConfigInterface;
+use Magento\Framework\App\ObjectManager;
 use Magento\Framework\Pricing\Adjustment\CalculatorInterface;
 use Magento\Framework\Pricing\Amount\AmountInterface;
 use Magento\Framework\Pricing\Price\AbstractPrice;
 use Magento\Framework\Pricing\Price\BasePriceProviderInterface;
+use Magento\Framework\Pricing\PriceCurrencyInterface;
 use Magento\Framework\Pricing\PriceInfoInterface;
 use Magento\Customer\Model\Group\RetrieverInterface as CustomerGroupRetrieverInterface;
+use Magento\Tax\Model\Config;
 
 /**
  * @api
  * @since 100.0.2
+ * @SuppressWarnings(PHPMD.CouplingBetweenObjects)
+ * @SuppressWarnings(PHPMD.CookieAndSessionMisuse)
  */
 class TierPrice extends AbstractPrice implements TierPriceInterface, BasePriceProviderInterface
 {
+    private const XML_PATH_TAX_DISPLAY_TYPE = 'tax/display/type';
+
     /**
      * Price type tier
      */
@@ -62,35 +70,43 @@ class TierPrice extends AbstractPrice implements TierPriceInterface, BasePricePr
      */
     private $customerGroupRetriever;
 
+    /**
+     * @var ScopeConfigInterface
+     */
+    private $scopeConfig;
+
     /**
      * @param Product $saleableItem
      * @param float $quantity
      * @param CalculatorInterface $calculator
-     * @param \Magento\Framework\Pricing\PriceCurrencyInterface $priceCurrency
+     * @param PriceCurrencyInterface $priceCurrency
      * @param Session $customerSession
      * @param GroupManagementInterface $groupManagement
      * @param CustomerGroupRetrieverInterface|null $customerGroupRetriever
+     * @param ScopeConfigInterface|null $scopeConfig
      */
     public function __construct(
         Product $saleableItem,
         $quantity,
         CalculatorInterface $calculator,
-        \Magento\Framework\Pricing\PriceCurrencyInterface $priceCurrency,
+        PriceCurrencyInterface $priceCurrency,
         Session $customerSession,
         GroupManagementInterface $groupManagement,
-        CustomerGroupRetrieverInterface $customerGroupRetriever = null
+        CustomerGroupRetrieverInterface $customerGroupRetriever = null,
+        ?ScopeConfigInterface $scopeConfig = null
     ) {
         $quantity = (float)$quantity ? $quantity : 1;
         parent::__construct($saleableItem, $quantity, $calculator, $priceCurrency);
         $this->customerSession = $customerSession;
         $this->groupManagement = $groupManagement;
         $this->customerGroupRetriever = $customerGroupRetriever
-            ?? \Magento\Framework\App\ObjectManager::getInstance()->get(CustomerGroupRetrieverInterface::class);
+            ?? ObjectManager::getInstance()->get(CustomerGroupRetrieverInterface::class);
         if ($saleableItem->hasCustomerGroupId()) {
             $this->customerGroup = (int) $saleableItem->getCustomerGroupId();
         } else {
             $this->customerGroup = (int) $this->customerGroupRetriever->getCustomerGroupId();
         }
+        $this->scopeConfig = $scopeConfig ?: ObjectManager::getInstance()->get(ScopeConfigInterface::class);
     }
 
     /**
@@ -136,6 +152,8 @@ protected function isFirstPriceBetter($firstPrice, $secondPrice)
     }
 
     /**
+     * Returns tier price count
+     *
      * @return int
      */
     public function getTierPriceCount()
@@ -144,6 +162,8 @@ public function getTierPriceCount()
     }
 
     /**
+     * Returns tier price list
+     *
      * @return array
      */
     public function getTierPriceList()
@@ -155,15 +175,32 @@ public function getTierPriceList()
                 $this->priceList,
                 function (&$priceData) {
                     /* convert string value to float */
-                    $priceData['price_qty'] = $priceData['price_qty'] * 1;
+                    $priceData['price_qty'] *= 1;
+                    if ($this->getConfigTaxDisplayType() === Config::DISPLAY_TYPE_BOTH) {
+                        $exclTaxPrice = $this->calculator->getAmount($priceData['price'], $this->product, true);
+                        $priceData['excl_tax_price'] = $exclTaxPrice;
+                    }
                     $priceData['price'] = $this->applyAdjustment($priceData['price']);
                 }
             );
         }
+
         return $this->priceList;
     }
 
     /**
+     * Returns config tax display type
+     *
+     * @return int
+     */
+    private function getConfigTaxDisplayType(): int
+    {
+        return (int) $this->scopeConfig->getValue(self::XML_PATH_TAX_DISPLAY_TYPE);
+    }
+
+    /**
+     * Filters tier prices
+     *
      * @param array $priceList
      * @return array
      */
@@ -204,6 +241,8 @@ protected function filterTierPrices(array $priceList)
     }
 
     /**
+     * Returns base price
+     *
      * @return float
      */
     protected function getBasePrice()
@@ -213,25 +252,22 @@ protected function getBasePrice()
     }
 
     /**
-     * Calculates savings percentage according to the given tier price amount
-     * and related product price amount.
+     * Calculates savings percentage according to the given tier price amount and related product price amount.
      *
      * @param AmountInterface $amount
-     *
      * @return float
      */
     public function getSavePercent(AmountInterface $amount)
     {
-        $productPriceAmount = $this->priceInfo->getPrice(
-            FinalPrice::PRICE_CODE
-        )->getAmount();
+        $productPriceAmount = $this->priceInfo->getPrice(FinalPrice::PRICE_CODE)
+            ->getAmount();
 
-        return round(
-            100 - ((100 / $productPriceAmount->getValue()) * $amount->getValue())
-        );
+        return round(100 - ((100 / $productPriceAmount->getValue()) * $amount->getValue()));
     }
 
     /**
+     * Apply adjustment to price
+     *
      * @param float|string $price
      * @return \Magento\Framework\Pricing\Amount\AmountInterface
      */
@@ -314,6 +350,8 @@ protected function getStoredTierPrices()
     }
 
     /**
+     * Return is percentage discount
+     *
      * @return bool
      */
     public function isPercentageDiscount()

app/code/Magento/ConfigurableProduct/Block/Product/View/Type/Configurable.php

@@ -7,6 +7,7 @@
  */
 namespace Magento\ConfigurableProduct\Block\Product\View\Type;
 
+use Magento\Catalog\Api\Data\ProductInterface;
 use Magento\Catalog\Model\Product\Attribute\Source\Status;
 use Magento\ConfigurableProduct\Model\ConfigurableAttributeData;
 use Magento\Customer\Helper\Session\CurrentCustomer;
@@ -287,53 +288,70 @@ protected function getOptionPrices()
     {
         $prices = [];
         foreach ($this->getAllowProducts() as $product) {
-            $tierPrices = [];
             $priceInfo = $product->getPriceInfo();
-            $tierPriceModel =  $priceInfo->getPrice('tier_price');
-            $tierPricesList = $tierPriceModel->getTierPriceList();
-            foreach ($tierPricesList as $tierPrice) {
-                $tierPrices[] = [
-                    'qty' => $this->localeFormat->getNumber($tierPrice['price_qty']),
-                    'price' => $this->localeFormat->getNumber($tierPrice['price']->getValue()),
-                    'percentage' => $this->localeFormat->getNumber(
-                        $tierPriceModel->getSavePercent($tierPrice['price'])
-                    ),
-                ];
-            }
 
-            $prices[$product->getId()] =
-                [
-                    'baseOldPrice' => [
-                        'amount' => $this->localeFormat->getNumber(
-                            $priceInfo->getPrice('regular_price')->getAmount()->getBaseAmount()
-                        ),
-                    ],
-                    'oldPrice' => [
-                        'amount' => $this->localeFormat->getNumber(
-                            $priceInfo->getPrice('regular_price')->getAmount()->getValue()
-                        ),
-                    ],
-                    'basePrice' => [
-                        'amount' => $this->localeFormat->getNumber(
-                            $priceInfo->getPrice('final_price')->getAmount()->getBaseAmount()
-                        ),
-                    ],
-                    'finalPrice' => [
-                        'amount' => $this->localeFormat->getNumber(
-                            $priceInfo->getPrice('final_price')->getAmount()->getValue()
-                        ),
-                    ],
-                    'tierPrices' => $tierPrices,
-                    'msrpPrice' => [
-                        'amount' => $this->localeFormat->getNumber(
-                            $this->priceCurrency->convertAndRound($product->getMsrp())
-                        ),
-                    ],
-                 ];
+            $prices[$product->getId()] = [
+                'baseOldPrice' => [
+                    'amount' => $this->localeFormat->getNumber(
+                        $priceInfo->getPrice('regular_price')->getAmount()->getBaseAmount()
+                    ),
+                ],
+                'oldPrice' => [
+                    'amount' => $this->localeFormat->getNumber(
+                        $priceInfo->getPrice('regular_price')->getAmount()->getValue()
+                    ),
+                ],
+                'basePrice' => [
+                    'amount' => $this->localeFormat->getNumber(
+                        $priceInfo->getPrice('final_price')->getAmount()->getBaseAmount()
+                    ),
+                ],
+                'finalPrice' => [
+                    'amount' => $this->localeFormat->getNumber(
+                        $priceInfo->getPrice('final_price')->getAmount()->getValue()
+                    ),
+                ],
+                'tierPrices' => $this->getTierPricesByProduct($product),
+                'msrpPrice' => [
+                    'amount' => $this->localeFormat->getNumber(
+                        $this->priceCurrency->convertAndRound($product->getMsrp())
+                    ),
+                ],
+            ];
         }
+
         return $prices;
     }
 
+    /**
+     * Returns product's tier prices list
+     *
+     * @param ProductInterface $product
+     * @return array
+     */
+    private function getTierPricesByProduct(ProductInterface $product): array
+    {
+        $tierPrices = [];
+        $tierPriceModel = $product->getPriceInfo()->getPrice('tier_price');
+        foreach ($tierPriceModel->getTierPriceList() as $tierPrice) {
+            $tierPriceData = [
+                'qty' => $this->localeFormat->getNumber($tierPrice['price_qty']),
+                'price' => $this->localeFormat->getNumber($tierPrice['price']->getValue()),
+                'percentage' => $this->localeFormat->getNumber(
+                    $tierPriceModel->getSavePercent($tierPrice['price'])
+                ),
+            ];
+
+            if (isset($tierPrice['excl_tax_price'])) {
+                $excludingTax = $tierPrice['excl_tax_price'];
+                $tierPriceData['excl_tax_price'] = $this->localeFormat->getNumber($excludingTax->getBaseAmount());
+            }
+            $tierPrices[] = $tierPriceData;
+        }
+
+        return $tierPrices;
+    }
+
     /**
      * Replace ',' on '.' for js
      *

app/code/Magento/ConfigurableProduct/Test/Mftf/ActionGroup/StorefrontAssertExcludingTierPriceActionGroup.xml

@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ /**
+  * Copyright © Magento, Inc. All rights reserved.
+  * See COPYING.txt for license details.
+  */
+-->
+
+<actionGroups xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+              xsi:noNamespaceSchemaLocation="urn:magento:mftf:Test/etc/actionGroupSchema.xsd">
+    <actionGroup name="StorefrontAssertExcludingTierPriceActionGroup">
+        <annotations>
+            <description>Assert product item tier price excluding price.</description>
+        </annotations>
+        <arguments>
+            <argument name="excludingPrice" type="string"/>
+        </arguments>
+
+        <grabTextFrom selector="{{StorefrontProductInfoMainSection.tierPriceExcludingPrice}}" stepKey="tierPriceExcluding"/>
+        <assertStringContainsString stepKey="assertTierPriceTextOnProductPage">
+            <expectedResult type="string">{{excludingPrice}}</expectedResult>
+            <actualResult type="variable">tierPriceExcluding</actualResult>
+        </assertStringContainsString>
+    </actionGroup>
+</actionGroups>

app/code/Magento/ConfigurableProduct/Test/Mftf/Section/StorefrontProductInfoMainSection.xml

@@ -23,5 +23,6 @@
         <element name="stockIndication" type="block" selector=".stock" />
         <element name="attributeSelectByAttributeID" type="select" selector="//div[@class='fieldset']//div[//span[text()='{{attribute_code}}']]//select" parameterized="true"/>
         <element name="attributeOptionByAttributeID" type="select" selector="//div[@class='fieldset']//div[//span[text()='{{attribute_code}}']]//option[text()='{{optionName}}']" parameterized="true"/>
+        <element name="tierPriceExcludingPrice" type="text" selector=".item [data-label='Excl. Tax']"/>
     </section>
 </sections>