239 lines
7.9 KiB
Plaintext
Executable File
239 lines
7.9 KiB
Plaintext
Executable File
<?php
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declare(strict_types=1);
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namespace Evomedien\Vitec\Service;
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use Doctrine\DBAL\ParameterType;
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use Evomedien\Vitec\UserFunc\ProductListJsonRenderer;
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use Evomedien\Vitec\UserFunc\ProductShowJsonRenderer;
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use Evomedien\Vitec\UserFunc\UsecaseListJsonRenderer;
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use Evomedien\Vitec\UserFunc\UsecaseShowJsonRenderer;
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use TYPO3\CMS\Core\Database\ConnectionPool;
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use TYPO3\CMS\Core\Utility\GeneralUtility;
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/**
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* Resolves a TYPO3 typolink string (as stored by `inputLink` fields like
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* Product.contentelement / Product.contentelementcta) to the JSON
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* representation of the referenced tt_content element.
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*
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* Mirrors the shape produced by
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* {@see \Evomedien\Vitec\DataProcessing\ContainerChildrenProcessor}:
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* { id, type, colPos, sorting, appearance, data }
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*
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* Nested VITEC list-plugins are resolved through their `renderForRecord()`
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* just like container children, so a referenced productlist / productshow /
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* usecaselist / usecaseshow appears with its full headless JSON in `data`.
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*
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* Exception-safe: every public entry point returns `null` on any failure
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* so the surrounding JSON output stays clean.
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*/
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final class ContentElementResolver
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{
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/** Fields that go to the envelope (not to `data`). */
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private const ENVELOPE = [
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'uid', 'CType', 'colPos', 'sorting',
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'layout', 'frame_class', 'space_before_class', 'space_after_class',
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];
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/** Technical / system / TCA-default fields — never sent to frontend. */
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private const SYSTEM_FIELDS = [
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'pid', 'sys_language_uid', 'l18n_parent', 'l18n_diffsource',
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'l10n_source', 'l10n_state', 'l10n_parent',
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't3_origuid', 'tx_impexp_origuid',
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'tx_container_parent',
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'tstamp', 'crdate', 'cruser_id',
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'hidden', 'deleted', 'starttime', 'endtime', 'fe_group',
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't3ver_oid', 't3ver_wsid', 't3ver_state', 't3ver_stage',
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't3ver_id', 't3ver_label', 't3ver_count', 't3ver_tstamp',
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'editlock', 'sorting_foreign', 'rowDescription',
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'spaceBefore', 'spaceAfter',
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'imagecols', 'sectionIndex', 'linkToTop', 'recursive', 'date',
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'bullets_type', 'cols',
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'table_delimiter', 'table_enclosure', 'table_header_position',
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'table_tfoot', 'table_caption',
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'filelink_size', 'filelink_sorting', 'filelink_sorting_direction',
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'uploads_description', 'uploads_type',
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];
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private const KEEP_IF_ZERO = ['header_layout'];
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private const PLUGIN_RENDERERS = [
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'vitec_productlist' => [ProductListJsonRenderer::class, 'products'],
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'vitec_productshow' => [ProductShowJsonRenderer::class, 'product'],
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'vitec_usecaselist' => [UsecaseListJsonRenderer::class, 'usecases'],
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'vitec_usecaseshow' => [UsecaseShowJsonRenderer::class, 'usecase'],
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];
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/**
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* Resolve a typolink string to a normalised tt_content JSON element.
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*
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* Accepted forms:
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* - "t3://record?identifier=tt_content&uid=N"
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* - "<numeric>" (legacy: bare tt_content uid)
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* - everything else → null (page links etc.)
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*
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* @return array<string,mixed>|null
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*/
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public static function resolveLink(?string $link): ?array
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{
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try {
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$link = trim((string)$link);
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if ($link === '') {
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return null;
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}
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$uid = self::extractTtContentUid($link);
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if ($uid <= 0) {
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return null;
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}
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$qb = GeneralUtility::makeInstance(ConnectionPool::class)
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->getQueryBuilderForTable('tt_content');
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$row = $qb
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->select('*')
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->from('tt_content')
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->where(
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$qb->expr()->eq('uid', $qb->createNamedParameter($uid, ParameterType::INTEGER)),
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$qb->expr()->eq('deleted', 0),
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$qb->expr()->eq('hidden', 0)
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)
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->executeQuery()
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->fetchAssociative();
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if (!$row) {
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return null;
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}
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return self::normaliseRecord($row);
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} catch (\Throwable $e) {
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return null;
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}
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}
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/**
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* Normalise a tt_content DB row to the same envelope shape that
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* {@see \Evomedien\Vitec\DataProcessing\ContainerChildrenProcessor}
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* emits for container children. VITEC list-plugin children are
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* resolved to their headless JSON.
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*
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* @param array<string,mixed> $record
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* @return array<string,mixed>
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*/
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public static function normaliseRecord(array $record): array
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{
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$data = [];
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foreach ($record as $field => $value) {
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if (in_array($field, self::ENVELOPE, true)) {
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continue;
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}
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if (in_array($field, self::SYSTEM_FIELDS, true)) {
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continue;
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}
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if (self::isEmpty($value) && !in_array($field, self::KEEP_IF_ZERO, true)) {
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continue;
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}
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$data[$field] = self::castValue($field, $value);
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}
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self::resolvePluginData($record, $data);
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return [
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'id' => (int)$record['uid'],
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'type' => (string)$record['CType'],
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'colPos' => (int)($record['colPos'] ?? 0),
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'sorting' => (int)($record['sorting'] ?? 0),
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'appearance' => [
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'layout' => (string)($record['layout'] ?? ''),
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'frameClass' => (string)($record['frame_class'] ?? 'default'),
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'spaceBefore' => (string)($record['space_before_class'] ?? ''),
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'spaceAfter' => (string)($record['space_after_class'] ?? ''),
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],
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'data' => (object)$data,
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];
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}
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/**
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* Extract the tt_content uid from a typolink string.
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*/
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private static function extractTtContentUid(string $link): int
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{
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if (ctype_digit($link)) {
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return (int)$link;
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}
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if (!str_starts_with($link, 't3://record')) {
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return 0;
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}
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$parts = parse_url($link);
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if (empty($parts['query'])) {
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return 0;
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}
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$params = [];
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parse_str((string)$parts['query'], $params);
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$identifier = (string)($params['identifier'] ?? '');
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$uid = (int)($params['uid'] ?? 0);
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if ($identifier !== 'tt_content' || $uid <= 0) {
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return 0;
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}
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return $uid;
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}
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/**
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* If the record is a VITEC list-plugin, run its renderer for THIS row
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* and inject the decoded result under its key. Drops raw pi_flexform.
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*
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* @param array<string,mixed> $record
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* @param array<string,mixed> $data
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*/
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private static function resolvePluginData(array $record, array &$data): void
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{
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$listType = (string)($record['list_type'] ?? '');
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if ($listType === '' || !isset(self::PLUGIN_RENDERERS[$listType])) {
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return;
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}
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try {
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[$rendererClass, $jsonKey] = self::PLUGIN_RENDERERS[$listType];
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$renderer = GeneralUtility::makeInstance($rendererClass);
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if (!method_exists($renderer, 'renderForRecord')) {
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return;
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}
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$json = $renderer->renderForRecord($record);
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if ($json === '' || $json === null) {
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return;
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}
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$decoded = json_decode($json, true);
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if ($decoded === null && json_last_error() !== JSON_ERROR_NONE) {
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return;
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}
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$data[$jsonKey] = $decoded;
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unset($data['pi_flexform']);
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} catch (\Throwable $e) {
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// leave raw data on failure
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}
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}
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private static function isEmpty(mixed $value): bool
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{
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return $value === null || $value === '' || $value === 0 || $value === '0';
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}
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private static function castValue(string $field, mixed $value): mixed
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{
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if (in_array($field, ['header_layout'], true)) {
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return (int)$value;
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}
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return $value;
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}
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}
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