[TASK] Restructured AdvancedRobots functionality

Classes/MetaTag/AdvancedRobots/AdvancedRobotsGenerator.php

@@ -0,0 +1,73 @@
+<?php
+
+declare(strict_types=1);
+
+namespace YoastSeoForTypo3\YoastSeo\MetaTag\AdvancedRobots;
+
+use TYPO3\CMS\Core\Http\ServerRequest;
+use TYPO3\CMS\Frontend\Page\PageInformation;
+use YoastSeoForTypo3\YoastSeo\Record\Record;
+use YoastSeoForTypo3\YoastSeo\Record\RecordService;
+
+class AdvancedRobotsGenerator
+{
+    public function __construct(
+        protected RecordService $recordService,
+        protected RobotsMetaTagManager $metaTagManager,
+        protected RobotsRulesGenerator $robotsRuleGenerator
+    ) {}
+
+    /**
+     * @param array<string, mixed> $params
+     */
+    public function generate(array $params): void
+    {
+        $record = $this->getRecord($params);
+        if ($record === null) {
+            return;
+        }
+
+        $flags = $this->extractFlags($record);
+        if (array_sum($flags) === 0) { // All flags are false
+            return;
+        }
+
+        $this->metaTagManager->removeRobotsTag();
+        $robots = $this->robotsRuleGenerator->generateRules($flags);
+        $this->metaTagManager->addRobotsTag($robots);
+    }
+
+    /**
+     * @param array<string, mixed> $params
+     * @return array<string, mixed>|null
+     */
+    protected function getRecord(array $params): ?array
+    {
+        $activeRecord = $this->recordService->getActiveRecord();
+        if ($activeRecord instanceof Record && $activeRecord->shouldGenerateRobotsTag()) {
+            return $activeRecord->getRecordData();
+        }
+        if (isset($params['request']) && $params['request'] instanceof ServerRequest) {
+            $pageInfo = $params['request']->getAttribute('frontend.page.information');
+            if ($pageInfo instanceof PageInformation) {
+                return $pageInfo->getPageRecord();
+            }
+        }
+        return $params['page'] ?? null;
+    }
+
+    /**
+     * @param array<string, mixed> $record
+     * @return array<string, bool>
+     */
+    protected function extractFlags(array $record): array
+    {
+        return [
+            'noImageIndex' => (bool)($record['tx_yoastseo_robots_noimageindex'] ?? false),
+            'noArchive' => (bool)($record['tx_yoastseo_robots_noarchive'] ?? false),
+            'noSnippet' => (bool)($record['tx_yoastseo_robots_nosnippet'] ?? false),
+            'noIndex' => (bool)($record['no_index'] ?? false),
+            'noFollow' => (bool)($record['no_follow'] ?? false),
+        ];
+    }
+}

Classes/MetaTag/AdvancedRobots/RobotsMetaTagManager.php

@@ -0,0 +1,30 @@
+<?php
+
+declare(strict_types=1);
+
+namespace YoastSeoForTypo3\YoastSeo\MetaTag\AdvancedRobots;
+
+use TYPO3\CMS\Core\MetaTag\MetaTagManagerInterface;
+use TYPO3\CMS\Core\MetaTag\MetaTagManagerRegistry;
+use TYPO3\CMS\Core\Utility\GeneralUtility;
+
+class RobotsMetaTagManager
+{
+    protected MetaTagManagerInterface $manager;
+
+    public function __construct()
+    {
+        $metaTagManagerRegistry = GeneralUtility::makeInstance(MetaTagManagerRegistry::class);
+        $this->manager = $metaTagManagerRegistry->getManagerForProperty('robots');
+    }
+
+    public function removeRobotsTag(): void
+    {
+        $this->manager->removeProperty('robots');
+    }
+
+    public function addRobotsTag(string $robots): void
+    {
+        $this->manager->addProperty('robots', $robots);
+    }
+}

Classes/MetaTag/AdvancedRobots/RobotsRulesGenerator.php

@@ -0,0 +1,29 @@
+<?php
+
+declare(strict_types=1);
+
+namespace YoastSeoForTypo3\YoastSeo\MetaTag\AdvancedRobots;
+
+class RobotsRulesGenerator
+{
+    /**
+     * @param array<string, bool> $flags
+     */
+    public function generateRules(array $flags): string
+    {
+        $robots = [];
+        if ($flags['noImageIndex']) {
+            $robots[] = 'noimageindex';
+        }
+        if ($flags['noArchive']) {
+            $robots[] = 'noarchive';
+        }
+        if ($flags['noSnippet']) {
+            $robots[] = 'nosnippet';
+        }
+        $robots[] = $flags['noIndex'] ? 'noindex' : 'index';
+        $robots[] = $flags['noFollow'] ? 'nofollow' : 'follow';
+
+        return implode(',', $robots);
+    }
+}

ext_localconf.php

@@ -5,7 +5,7 @@
 use YoastSeoForTypo3\YoastSeo\Backend\PageLayoutHeader;
 use YoastSeoForTypo3\YoastSeo\Frontend\AdditionalPreviewData;
 use YoastSeoForTypo3\YoastSeo\Frontend\UsePageCache;
-use YoastSeoForTypo3\YoastSeo\MetaTag\AdvancedRobotsGenerator;
+use YoastSeoForTypo3\YoastSeo\MetaTag\AdvancedRobots\AdvancedRobotsGenerator;
 use YoastSeoForTypo3\YoastSeo\MetaTag\RecordMetaTagGenerator;
 use YoastSeoForTypo3\YoastSeo\StructuredData\StructuredDataProviderManager;
 use YoastSeoForTypo3\YoastSeo\Updates\MigrateDashboardWidget;