ENGCOM-8131: #28431 issue fixed #28689

Author: gabrieldagama

app/code/Magento/Bundle/Model/Product/LinksList.php

@@ -39,6 +39,8 @@ public function __construct(
     }
 
     /**
+     * Bundle Product Items Data
+     *
      * @param \Magento\Catalog\Api\Data\ProductInterface $product
      * @param int $optionId
      * @return \Magento\Bundle\Api\Data\LinkInterface[]
@@ -50,8 +52,12 @@ public function getItems(\Magento\Catalog\Api\Data\ProductInterface $product, $o
         $productLinks = [];
         /** @var \Magento\Catalog\Model\Product $selection */
         foreach ($selectionCollection as $selection) {
+            $bundledProductPrice = $selection->getSelectionPriceValue();
+            if ($bundledProductPrice <= 0) {
+                $bundledProductPrice = $selection->getPrice();
+            }
             $selectionPriceType = $product->getPriceType() ? $selection->getSelectionPriceType() : null;
-            $selectionPrice = $product->getPriceType() ? $selection->getSelectionPriceValue() : null;
+            $selectionPrice = $bundledProductPrice ? $bundledProductPrice : null;
 
             /** @var \Magento\Bundle\Api\Data\LinkInterface $productLink */
             $productLink = $this->linkFactory->create();

app/code/Magento/Bundle/Test/Unit/Model/Product/LinksListTest.php

@@ -91,7 +91,7 @@ public function testLinksList()
             ->method('getSelectionsCollection')
             ->with([$optionId], $this->productMock)
             ->willReturn([$this->selectionMock]);
-        $this->productMock->expects($this->exactly(2))->method('getPriceType')->willReturn('price_type');
+        $this->productMock->expects($this->once())->method('getPriceType')->willReturn('price_type');
         $this->selectionMock->expects($this->once())
             ->method('getSelectionPriceType')
             ->willReturn('selection_price_type');

dev/tests/api-functional/testsuite/Magento/Bundle/Api/ProductServiceTest.php

@@ -225,6 +225,7 @@ public function testUpdateBundleAddSelection()
     public function testUpdateBundleAddAndDeleteOption()
     {
         $bundleProduct = $this->createDynamicBundleProduct();
+        $linkedProductPrice = 20;
 
         $bundleProductOptions = $this->getBundleProductOptions($bundleProduct);
 
@@ -238,7 +239,7 @@ public function testUpdateBundleAddAndDeleteOption()
                 [
                     'sku' => 'simple2',
                     'qty' => 2,
-                    "price" => 20,
+                    "price" => $linkedProductPrice,
                     "price_type" => 1,
                     "is_default" => false,
                 ],
@@ -256,6 +257,7 @@ public function testUpdateBundleAddAndDeleteOption()
         $this->assertFalse(isset($bundleOptions[1]));
         $this->assertEquals('simple2', $bundleOptions[0]['product_links'][0]['sku']);
         $this->assertEquals(2, $bundleOptions[0]['product_links'][0]['qty']);
+        $this->assertEquals($linkedProductPrice, $bundleOptions[0]['product_links'][0]['price']);
     }
 
     /**