[Core] Adding missing Search Relevance Config controller

src/module-elasticsuite-core/Controller/Adminhtml/Search/Request/RelevanceConfig/State.php

@@ -0,0 +1,84 @@
+<?php
+/**
+ * DISCLAIMER
+ *
+ * Do not edit or add to this file if you wish to upgrade Smile ElasticSuite to newer versions in the future.
+ *
+ * @category  Smile
+ * @package   Smile\ElasticsuiteCore
+ * @author    Richard Bayet <richard.bayet@smile.fr>
+ * @copyright 2026 Smile
+ * @license   Open Software License ("OSL") v. 3.0
+ */
+
+namespace Smile\ElasticsuiteCore\Controller\Adminhtml\Search\Request\RelevanceConfig;
+
+use Magento\Backend\App\Action\Context;
+use Magento\Config\Controller\Adminhtml\System\ConfigSectionChecker;
+use Magento\Config\Model\Config\Structure;
+use Magento\Framework\App\Action\HttpGetActionInterface;
+use Magento\Framework\App\Action\HttpPostActionInterface;
+use Magento\Framework\Controller\Result\RawFactory;
+use Smile\ElasticsuiteCore\Model\Search\Request\RelevanceConfig;
+
+/**
+ * Save current state of open tabs controller (inherited logic from System\Config) dummy controller.
+ *
+ * @category Smile
+ * @package  Smile\ElasticsuiteCore
+ */
+class State extends AbstractScopeConfig implements HttpPostActionInterface, HttpGetActionInterface
+{
+    /**
+     * @var RawFactory
+     */
+    protected $resultRawFactory;
+
+    /**
+     * Constructor.
+     *
+     * @param Context              $context          Action context.
+     * @param Structure            $configStructure  Relevance configuration Structure.
+     * @param ConfigSectionChecker $sectionChecker   Configuration Section Checker.
+     * @param RelevanceConfig      $backendConfig    Configuration model.
+     * @param RawFactory           $resultRawFactory Raw result factory.
+     */
+    public function __construct(
+        Context $context,
+        Structure $configStructure,
+        ConfigSectionChecker $sectionChecker,
+        RelevanceConfig $backendConfig,
+        RawFactory $resultRawFactory
+    ) {
+        parent::__construct($context, $configStructure, $sectionChecker, $backendConfig);
+        $this->resultRawFactory = $resultRawFactory;
+    }
+
+    /**
+     * Pretend saving fieldset state through AJAX.
+     *
+     * @return \Magento\Framework\Controller\Result\Raw
+     */
+    public function execute()
+    {
+        $resultRaw = $this->resultRawFactory->create();
+
+        if ($this->getRequest()->getParam('isAjax')) {
+            return $resultRaw->setContents('success');
+        }
+
+        return $resultRaw->setContents('failure');
+    }
+
+    /**
+     * Check if access is allowed.
+     *
+     * @SuppressWarnings(PHPMD.CamelCaseMethodName)
+     *
+     * @return bool
+     */
+    protected function _isAllowed()
+    {
+        return $this->_authorization->isAllowed('Smile_ElasticsuiteCore::manage_relevance');
+    }
+}