VITEC-website/packages/vitec/Classes/UserFunc/LocationsJsonRenderer.php

<?php

declare(strict_types=1);

namespace Evomedien\Vitec\UserFunc;

use Doctrine\DBAL\ParameterType;
use TYPO3\CMS\Core\Attribute\AsAllowedCallable;
use TYPO3\CMS\Core\Database\ConnectionPool;
use TYPO3\CMS\Core\Service\FlexFormService;
use TYPO3\CMS\Core\Utility\GeneralUtility;
use TYPO3\CMS\Frontend\ContentObject\ContentObjectRenderer;

/**
 * UserFunc: render the VITEC locations as JSON (headless).
 *
 * Output under content.locations:
 *   { "variant": "grid|list|map", "mapText": "<p>…</p>"|null, "locations": [ … ] }
 *
 * Each location follows the frontend contract (id, slug, name, countryCode,
 * coordinates, address, contact, links, marker, sorting, active).
 *
 * `render()` = top-level plugin / page discovery. `renderForRecord()` = one
 * specific tt_content row (reused by ContainerChildrenProcessor for nested
 * plugins). Exception-safe.
 */
class LocationsJsonRenderer
{
    private const TABLE = 'tx_vitec_domain_model_location';

    #[AsAllowedCallable]
    public function render(string $content, array $conf): string
    {
        $row = is_array($this->cObj->data ?? null) ? $this->cObj->data : null;
        if ($row && (string)($row['CType'] ?? '') === 'vitec_locationlist') {
            return $this->renderForRecord($row);
        }

        $pageId = 0;
        $request = $GLOBALS['TYPO3_REQUEST'] ?? null;
        if ($request !== null) {
            $pageInfo = $request->getAttribute('frontend.page.information');
            if ($pageInfo !== null) {
                $pageId = (int)$pageInfo->getId();
            }
        }
        if ($pageId <= 0) {
            $pageId = (int)($GLOBALS['TSFE']->id ?? 0);
        }
        if ($pageId <= 0) {
            return '';
        }

        $qb = GeneralUtility::makeInstance(ConnectionPool::class)->getQueryBuilderForTable('tt_content');
        $ces = $qb
            ->select('*')
            ->from('tt_content')
            ->where(
                $qb->expr()->eq('pid', $qb->createNamedParameter($pageId, ParameterType::INTEGER)),
                $qb->expr()->eq('CType', $qb->createNamedParameter('vitec_locationlist', ParameterType::STRING)),
                $qb->expr()->eq('deleted', 0),
                $qb->expr()->eq('hidden', 0)
            )
            ->executeQuery()
            ->fetchAllAssociative();

        if (empty($ces)) {
            return '';
        }

        return $this->renderForRecord($ces[0]);
    }

    /**
     * @param array<string,mixed> $contentElement
     */
    public function renderForRecord(array $contentElement): string
    {
        try {
            $flexFormService = GeneralUtility::makeInstance(FlexFormService::class);
            $flexFormData = $flexFormService->convertFlexFormContentToArray($contentElement['pi_flexform'] ?? '');
            $settings = $flexFormData['settings'] ?? [];

            $variant = (string)($settings['variant'] ?? 'grid');
            $mapText = trim((string)($settings['maptext'] ?? ''));
            $debugMode = (bool)($settings['debug'] ?? false);

            $qb = GeneralUtility::makeInstance(ConnectionPool::class)->getQueryBuilderForTable(self::TABLE);
            $rows = $qb
                ->select('*')
                ->from(self::TABLE)
                ->where(
                    $qb->expr()->eq('deleted', 0),
                    $qb->expr()->eq('hidden', 0)
                )
                ->orderBy('sorting', 'ASC')
                ->executeQuery()
                ->fetchAllAssociative();

            $locations = array_map(fn(array $r): array => $this->serializeLocation($r), $rows);

            $response = [
                'variant' => $variant,
                'mapText' => $variant === 'map' && $mapText !== '' ? $mapText : null,
                'locations' => $locations,
            ];

            if ($debugMode) {
                $response['debug'] = ['count' => count($locations), 'settings' => $settings];
            }

            return (string)json_encode($response);
        } catch (\Throwable $e) {
            return '';
        }
    }

    /**
     * @param array<string,mixed> $r
     * @return array<string,mixed>
     */
    private function serializeLocation(array $r): array
    {
        $name = (string)($r['title'] ?? '');

        return [
            'id' => (int)$r['uid'],
            'slug' => (string)($r['slug'] ?? ''),
            'name' => $name,
            'countryCode' => (string)($r['country_code'] ?? ''),
            'coordinates' => [
                'latitude' => (float)($r['latitude'] ?? 0),
                'longitude' => (float)($r['longitude'] ?? 0),
            ],
            'address' => [
                'company' => $this->nullIfEmpty($r['address_company'] ?? ''),
                'street' => $this->nullIfEmpty($r['street'] ?? ''),
                'additional' => $this->nullIfEmpty($r['address_additional'] ?? ''),
                'postalCode' => $this->nullIfEmpty($r['postal_code'] ?? ''),
                'city' => $this->nullIfEmpty($r['city'] ?? ''),
                'region' => $this->nullIfEmpty($r['region'] ?? ''),
                'country' => $this->nullIfEmpty($r['country'] ?? ''),
            ],
            'contact' => [
                'phone' => $this->nullIfEmpty($r['phone'] ?? ''),
                'fax' => $this->nullIfEmpty($r['fax'] ?? ''),
                'email' => $this->nullIfEmpty($r['email'] ?? ''),
            ],
            'links' => [
                'contact' => $this->resolveLink((string)($r['contact_link'] ?? '')),
                'legal' => $this->resolveLinkLines((string)($r['legal_links'] ?? '')),
            ],
            'marker' => [
                'label' => (string)($r['marker_label'] ?? '') !== '' ? (string)$r['marker_label'] : $name,
                'color' => (string)($r['marker_color'] ?? '#ff6633'),
                'size' => (float)($r['marker_size'] ?? 0.5),
            ],
            'sorting' => (int)($r['sorting'] ?? 0),
            'active' => true,
        ];
    }

    private function nullIfEmpty(mixed $value): ?string
    {
        $value = trim((string)$value);
        return $value === '' ? null : $value;
    }

    /** Resolve a typolink parameter (t3://…, page uid, URL) to a URL/path. */
    private function resolveLink(string $parameter): ?string
    {
        $parameter = trim($parameter);
        if ($parameter === '') {
            return null;
        }
        try {
            $cObj = GeneralUtility::makeInstance(ContentObjectRenderer::class);
            $url = $cObj->typoLink_URL(['parameter' => $parameter]);
            return $url !== '' ? $url : $parameter;
        } catch (\Throwable $e) {
            return $parameter;
        }
    }

    /** @return array<int,string> */
    private function resolveLinkLines(string $lines): array
    {
        $out = [];
        foreach (preg_split('/\r\n|\r|\n/', $lines) ?: [] as $line) {
            $resolved = $this->resolveLink($line);
            if ($resolved !== null) {
                $out[] = $resolved;
            }
        }
        return $out;
    }
}