Zwischenstand vom 29.05.2026

packages/vitec/Classes/DataProcessing/ContainerChildrenProcessor.php

@@ -3,6 +3,10 @@ declare(strict_types=1);
 
 namespace Evomedien\Vitec\DataProcessing;
 
+use Evomedien\Vitec\UserFunc\ProductListJsonRenderer;
+use Evomedien\Vitec\UserFunc\ProductShowJsonRenderer;
+use Evomedien\Vitec\UserFunc\UsecaseListJsonRenderer;
+use Evomedien\Vitec\UserFunc\UsecaseShowJsonRenderer;
 use TYPO3\CMS\Core\Database\Connection;
 use TYPO3\CMS\Core\Database\ConnectionPool;
 use TYPO3\CMS\Core\Utility\GeneralUtility;
@@ -15,6 +19,11 @@ use TYPO3\CMS\Frontend\ContentObject\DataProcessorInterface;
  *   { id, type, colPos, sorting, appearance, data }
  * `data` only contains non-empty content-relevant fields.
  *
+ * VITEC list-plugins nested as container children (productlist, productshow,
+ * usecaselist, usecaseshow) are resolved to the SAME JSON the top-level
+ * headless rendering produces, injected into `data` under their respective
+ * key. The raw pi_flexform XML is then dropped from `data`.
+ *
  * Exception-safe.
  */
 final class ContainerChildrenProcessor implements DataProcessorInterface
@@ -27,7 +36,6 @@ final class ContainerChildrenProcessor implements DataProcessorInterface
 
     /** Technical / system / TCA-default fields — never sent to frontend. */
     private const SYSTEM_FIELDS = [
-        // versioning / language / workspace / housekeeping
         'pid', 'sys_language_uid', 'l18n_parent', 'l18n_diffsource',
         'l10n_source', 'l10n_state', 'l10n_parent',
         't3_origuid', 'tx_impexp_origuid',
@@ -38,8 +46,6 @@ final class ContainerChildrenProcessor implements DataProcessorInterface
         't3ver_id', 't3ver_label', 't3ver_count', 't3ver_tstamp',
         'editlock', 'sorting_foreign', 'rowDescription',
         'spaceBefore', 'spaceAfter', // legacy
-        // TCA defaults that TYPO3 always sets on every tt_content row,
-        // regardless of CType — rarely relevant to the frontend:
         'imagecols', 'sectionIndex', 'linkToTop', 'recursive', 'date',
         'bullets_type', 'cols',
         'table_delimiter', 'table_enclosure', 'table_header_position',
@@ -53,6 +59,19 @@ final class ContainerChildrenProcessor implements DataProcessorInterface
         'header_layout',
     ];
 
+    /**
+     * Nested VITEC list-plugins: list_type => [ rendererClass, jsonKey ].
+     * The renderer's renderForRecord() is invoked with the child's own
+     * tt_content row so the result is record-accurate (works with multiple
+     * containers / plugins on the same page).
+     */
+    private const PLUGIN_RENDERERS = [
+        'vitec_productlist'  => [ProductListJsonRenderer::class, 'products'],
+        'vitec_productshow'  => [ProductShowJsonRenderer::class, 'product'],
+        'vitec_usecaselist'  => [UsecaseListJsonRenderer::class, 'usecases'],
+        'vitec_usecaseshow'  => [UsecaseShowJsonRenderer::class, 'usecase'],
+    ];
+
     public function process(
         ContentObjectRenderer $cObj,
         array $contentObjectConfiguration,
@@ -124,6 +143,9 @@ final class ContainerChildrenProcessor implements DataProcessorInterface
             $data[$field] = $this->castValue($field, $value);
         }
 
+        // Resolve nested VITEC list-plugins to their headless JSON.
+        $this->resolvePluginData($record, $data);
+
         return [
             'id' => (int)$record['uid'],
             'type' => (string)$record['CType'],
@@ -139,6 +161,48 @@ final class ContainerChildrenProcessor implements DataProcessorInterface
         ];
     }
 
+    /**
+     * If the child is a VITEC list-plugin, run its JSON renderer for THIS
+     * record and inject the decoded result under its key. Drops the raw
+     * pi_flexform XML afterwards. Never throws.
+     *
+     * @param array<string,mixed> $record
+     * @param array<string,mixed> $data
+     */
+    private function resolvePluginData(array $record, array &$data): void
+    {
+        $listType = (string)($record['list_type'] ?? '');
+        if ($listType === '' || !isset(self::PLUGIN_RENDERERS[$listType])) {
+            return;
+        }
+
+        try {
+            [$rendererClass, $jsonKey] = self::PLUGIN_RENDERERS[$listType];
+            $renderer = GeneralUtility::makeInstance($rendererClass);
+
+            if (!method_exists($renderer, 'renderForRecord')) {
+                return;
+            }
+
+            $json = $renderer->renderForRecord($record);
+            if ($json === '' || $json === null) {
+                return;
+            }
+
+            $decoded = json_decode($json, true);
+            if ($decoded === null && json_last_error() !== JSON_ERROR_NONE) {
+                return;
+            }
+
+            $data[$jsonKey] = $decoded;
+
+            // The raw FlexForm XML is noise once the plugin is resolved.
+            unset($data['pi_flexform']);
+        } catch (\Throwable $e) {
+            // Leave the raw data untouched on any failure.
+        }
+    }
+
     private function isEmpty(mixed $value): bool
     {
         return $value === null