Fix #25761: Site map doesn't include home page

app/code/Magento/Sitemap/Model/ItemProvider/StoreUrl.php

@@ -0,0 +1,57 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+
+namespace Magento\Sitemap\Model\ItemProvider;
+
+use Magento\Sitemap\Model\SitemapItemInterfaceFactory;
+
+/**
+ * Class for adding Store Url in sitemap
+ */
+class StoreUrl implements ItemProviderInterface
+{
+    /**
+     * Sitemap item factory
+     *
+     * @var SitemapItemInterfaceFactory
+     */
+    private $itemFactory;
+
+    /**
+     * Config reader
+     *
+     * @var ConfigReaderInterface
+     */
+    private $configReader;
+
+    /**
+     * StoreUrlSitemapItemResolver constructor.
+     *
+     * @param ConfigReaderInterface $configReader
+     * @param SitemapItemInterfaceFactory $itemFactory
+     */
+    public function __construct(
+        ConfigReaderInterface $configReader,
+        SitemapItemInterfaceFactory $itemFactory
+    ) {
+        $this->itemFactory = $itemFactory;
+        $this->configReader = $configReader;
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function getItems($storeId)
+    {
+        $items[] = $this->itemFactory->create([
+            'url' => '',
+            'priority' => $this->configReader->getPriority($storeId),
+            'changeFrequency' => $this->configReader->getChangeFrequency($storeId),
+        ]);
+
+        return $items;
+    }
+}

app/code/Magento/Sitemap/Model/ItemProvider/StoreUrlConfigReader.php

@@ -0,0 +1,64 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+
+namespace Magento\Sitemap\Model\ItemProvider;
+
+use Magento\Framework\App\Config\ScopeConfigInterface;
+use Magento\Store\Model\ScopeInterface;
+
+/**
+ * Class for getting configuration for Store Url
+ */
+class StoreUrlConfigReader implements ConfigReaderInterface
+{
+    /**#@+
+     * Xpath config settings
+     */
+    const XML_PATH_CHANGE_FREQUENCY = 'sitemap/store/changefreq';
+    const XML_PATH_PRIORITY = 'sitemap/store/priority';
+    /**#@-*/
+
+    /**
+     * Scope config
+     *
+     * @var ScopeConfigInterface
+     */
+    private $scopeConfig;
+
+    /**
+     * CategoryItemResolverConfigReader constructor.
+     *
+     * @param ScopeConfigInterface $scopeConfig
+     */
+    public function __construct(ScopeConfigInterface $scopeConfig)
+    {
+        $this->scopeConfig = $scopeConfig;
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function getPriority($storeId)
+    {
+        return (string)$this->scopeConfig->getValue(
+            self::XML_PATH_PRIORITY,
+            ScopeInterface::SCOPE_STORE,
+            $storeId
+        );
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function getChangeFrequency($storeId)
+    {
+        return (string)$this->scopeConfig->getValue(
+            self::XML_PATH_CHANGE_FREQUENCY,
+            ScopeInterface::SCOPE_STORE,
+            $storeId
+        );
+    }
+}

app/code/Magento/Sitemap/Test/Unit/Model/ItemProvider/StoreUrlTest.php

@@ -0,0 +1,72 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+
+namespace Magento\Sitemap\Test\Unit\Model\ItemProvider;
+
+use Magento\Framework\TestFramework\Unit\Helper\ObjectManager;
+use Magento\Sitemap\Model\ItemProvider\ConfigReaderInterface;
+use Magento\Sitemap\Model\ItemProvider\StoreUrl as StoreUrlItemResolver;
+use Magento\Sitemap\Model\SitemapItem;
+use Magento\Sitemap\Model\SitemapItemInterfaceFactory;
+use PHPUnit\Framework\MockObject\MockObject;
+use PHPUnit\Framework\TestCase;
+
+class StoreUrlTest extends TestCase
+{
+    /**
+     * test for getItems method
+     */
+    public function testGetItems()
+    {
+        $configReaderMock = $this->getConfigReaderMock();
+        $itemFactoryMock = $this->getItemFactoryMock();
+        $resolver = new StoreUrlItemResolver($configReaderMock, $itemFactoryMock);
+        $items = $resolver->getItems(1);
+
+        $this->assertCount(1, $items);
+        foreach ($items as $item) {
+            $this->assertSame('daily', $item->getChangeFrequency());
+            $this->assertSame('1.0', $item->getPriority());
+        }
+    }
+
+    /**
+     * @return SitemapItemInterfaceFactory|MockObject
+     */
+    private function getItemFactoryMock()
+    {
+        $itemFactoryMock = $this->getMockBuilder(SitemapItemInterfaceFactory::class)
+            ->setMethods(['create'])
+            ->disableOriginalConstructor()
+            ->getMock();
+
+        $itemFactoryMock->expects($this->any())
+            ->method('create')
+            ->willReturnCallback(function ($data) {
+                $helper = new ObjectManager($this);
+
+                return $helper->getObject(SitemapItem::class, $data);
+            });
+
+        return $itemFactoryMock;
+    }
+
+    /**
+     * @return ConfigReaderInterface|MockObject
+     */
+    private function getConfigReaderMock()
+    {
+        $configReaderMock = $this->getMockForAbstractClass(ConfigReaderInterface::class);
+        $configReaderMock->expects($this->any())
+            ->method('getPriority')
+            ->willReturn('1.0');
+        $configReaderMock->expects($this->any())
+            ->method('getChangeFrequency')
+            ->willReturn('daily');
+
+        return $configReaderMock;
+    }
+}

app/code/Magento/Sitemap/etc/adminhtml/system.xml

@@ -51,7 +51,19 @@
                     <comment>Valid values range from 0.0 to 1.0.</comment>
                 </field>
             </group>
-            <group id="generate" translate="label" type="text" sortOrder="4" showInDefault="1">
+            <group id="store" translate="label" type="text" sortOrder="4" showInDefault="1" showInWebsite="1" showInStore="1">
+                <label>Store Url Options</label>
+                <field id="changefreq" translate="label" type="select" sortOrder="10" showInDefault="1" showInWebsite="1" showInStore="1" canRestore="1">
+                    <label>Frequency</label>
+                    <source_model>Magento\Sitemap\Model\Config\Source\Frequency</source_model>
+                </field>
+                <field id="priority" translate="label comment" type="text" sortOrder="20" showInDefault="1" showInWebsite="1" showInStore="1" canRestore="1">
+                    <label>Priority</label>
+                    <backend_model>Magento\Sitemap\Model\Config\Backend\Priority</backend_model>
+                    <comment>Valid values range from 0.0 to 1.0.</comment>
+                </field>
+            </group>
+            <group id="generate" translate="label" type="text" sortOrder="5" showInDefault="1">
                 <label>Generation Settings</label>
                 <field id="enabled" translate="label" type="select" sortOrder="1" showInDefault="1" showInWebsite="1" showInStore="1" canRestore="1">
                     <label>Enabled</label>
@@ -94,7 +106,7 @@
                     </depends>
                 </field>
             </group>
-            <group id="limit" translate="label" type="text" sortOrder="5" showInDefault="1" showInWebsite="1" showInStore="1">
+            <group id="limit" translate="label" type="text" sortOrder="6" showInDefault="1" showInWebsite="1" showInStore="1">
                 <label>Sitemap File Limits</label>
                 <field id="max_lines" translate="label" type="text" sortOrder="1" showInDefault="1" showInWebsite="1" showInStore="1" canRestore="1">
                     <label>Maximum No of URLs Per File</label>
@@ -106,7 +118,7 @@
                     <validate>validate-number validate-greater-than-zero</validate>
                 </field>
             </group>
-            <group id="search_engines" translate="label" type="text" sortOrder="6" showInDefault="1" showInWebsite="1" showInStore="1">
+            <group id="search_engines" translate="label" type="text" sortOrder="7" showInDefault="1" showInWebsite="1" showInStore="1">
                 <label>Search Engine Submission Settings</label>
                 <field id="submission_robots" translate="label" type="select" sortOrder="1" showInDefault="1" showInWebsite="1" showInStore="1" canRestore="1">
                     <label>Enable Submission to Robots.txt</label>

app/code/Magento/Sitemap/etc/config.xml

@@ -25,6 +25,10 @@
                 <changefreq>daily</changefreq>
                 <image_include>all</image_include>
             </product>
+            <store>
+                <priority>1</priority>
+                <changefreq>daily</changefreq>
+            </store>
             <generate>
                 <enabled>0</enabled>
                 <error_email />

app/code/Magento/Sitemap/etc/di.xml

@@ -25,12 +25,18 @@
     <type name="Magento\Sitemap\Model\ItemProvider\Composite">
         <arguments>
             <argument name="itemProviders" xsi:type="array">
+                <item name="storeUrlProvider" xsi:type="object">Magento\Sitemap\Model\ItemProvider\StoreUrl</item>
                 <item name="categoryProvider" xsi:type="object">Magento\Sitemap\Model\ItemProvider\Category</item>
                 <item name="cmsPageProvider" xsi:type="object">Magento\Sitemap\Model\ItemProvider\CmsPage</item>
                 <item name="productProvider" xsi:type="object">Magento\Sitemap\Model\ItemProvider\Product</item>
             </argument>
         </arguments>
     </type>
+    <type name="Magento\Sitemap\Model\ItemProvider\StoreUrl">
+        <arguments>
+            <argument name="configReader" xsi:type="object">Magento\Sitemap\Model\ItemProvider\StoreUrlConfigReader</argument>
+        </arguments>
+    </type>
     <type name="Magento\Sitemap\Model\ItemProvider\Category">
         <arguments>
             <argument name="configReader" xsi:type="object">Magento\Sitemap\Model\ItemProvider\CategoryConfigReader</argument>

app/code/Magento/Sitemap/i18n/en_US.csv

@@ -64,3 +64,4 @@ ID,ID
 "Link for Google","Link for Google"
 "Last Generated","Last Generated"
 Action,Action
+"Store Url Options","Store Url Options"