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Fabio Bonetti
340
plugins/json-export/json-export.php
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340
plugins/json-export/json-export.php
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<?php
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namespace Grav\Plugin;
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use Grav\Common\Plugin;
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use RocketTheme\Toolbox\Event\Event;
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use Grav\Common\Page\Page;
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use Grav\Common\Grav;
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/**
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* JSON Export Plugin
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*
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* Exports content from Grav CMS to JSON format for the React media guide app
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*/
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class JsonExportPlugin extends Plugin
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{
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public static function getSubscribedEvents()
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{
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return [
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'onPluginsInitialized' => ['onPluginsInitialized', 0]
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];
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}
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public function onPluginsInitialized()
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{
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// Check if we're in admin context
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if ($this->isAdmin()) {
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$this->enable([
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'onAdminTaskExecute' => ['onAdminTaskExecute', 0]
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]);
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}
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// Enable API endpoint
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$this->enable([
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'onPagesInitialized' => ['onPagesInitialized', 0]
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]);
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}
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public function onPagesInitialized()
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{
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$uri = $this->grav['uri'];
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// API endpoints
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if (strpos($uri->path(), '/api/') === 0) {
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$this->handleApiRequest($uri);
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}
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}
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private function handleApiRequest($uri)
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{
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$path = $uri->path();
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$lang = $uri->param('lang') ?? 'en';
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header('Content-Type: application/json');
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header('Access-Control-Allow-Origin: *');
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// GET /api/stations - List all stations
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if ($path === '/api/stations') {
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echo json_encode($this->getStationsList($lang), JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE);
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exit;
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}
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// GET /api/station/{id} - Get single station
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if (preg_match('#^/api/station/([a-z0-9-]+)$#', $path, $matches)) {
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$stationId = $matches[1];
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$station = $this->getStation($stationId, $lang);
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if ($station) {
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echo json_encode($station, JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE);
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} else {
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http_response_code(404);
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echo json_encode(['error' => 'Station not found']);
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}
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exit;
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}
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// GET /api/translations - Get UI translations
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if ($path === '/api/translations') {
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echo json_encode($this->getTranslations($lang), JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE);
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exit;
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}
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// GET /api/export - Export all content to JSON files
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if ($path === '/api/export') {
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$result = $this->exportAllToJson();
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echo json_encode($result, JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE);
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exit;
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}
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}
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private function getStationsList($lang)
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{
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$pages = $this->grav['pages'];
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$stations = [];
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foreach ($pages->all() as $page) {
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if ($page->template() === 'station' && $page->header()->active) {
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$header = $page->header();
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$stations[] = [
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'id' => $header->station_id ?? $page->slug(),
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'type' => $header->station_type ?? 'exhibit',
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'title' => $this->getTranslatedField($header->title_translations ?? [], $lang),
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'description' => $this->getTranslatedField($header->description_translations ?? [], $lang),
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'order' => $header->order ?? 0,
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'active' => $header->active ?? true
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];
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}
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}
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// Sort by order
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usort($stations, fn($a, $b) => $a['order'] <=> $b['order']);
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return $stations;
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}
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private function getStation($stationId, $lang)
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{
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$pages = $this->grav['pages'];
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foreach ($pages->all() as $page) {
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if ($page->template() === 'station') {
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$header = $page->header();
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$id = $header->station_id ?? $page->slug();
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if ($id === $stationId) {
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return $this->formatStationForLang($page, $lang);
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}
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}
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}
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return null;
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}
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private function formatStationForLang($page, $lang)
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{
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$header = $page->header();
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$station = [
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'id' => $header->station_id ?? $page->slug(),
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'type' => $header->station_type ?? 'exhibit',
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'language' => $lang,
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'title' => $this->getTranslatedField($header->title_translations ?? [], $lang),
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'description' => $this->getTranslatedField($header->description_translations ?? [], $lang),
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'components' => []
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];
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// Process components
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if (isset($header->components) && is_array($header->components)) {
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foreach ($header->components as $component) {
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$station['components'][] = $this->formatComponent($component, $lang);
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}
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}
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return $station;
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}
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private function formatComponent($component, $lang)
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{
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$formatted = [
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'id' => $component['id'] ?? uniqid(),
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'type' => $component['type'] ?? 'text'
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];
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switch ($component['type']) {
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case 'heading':
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$formatted['level'] = $component['level'] ?? 'h2';
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$formatted['content'] = $this->getTranslatedField($component['content'] ?? [], $lang);
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break;
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case 'text':
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$formatted['content'] = $this->getTranslatedField($component['content'] ?? [], $lang);
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break;
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case 'video':
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$formatted['src'] = $this->getTranslatedField($component['src'] ?? [], $lang);
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$formatted['poster'] = $component['poster'] ?? null;
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$formatted['caption'] = $this->getTranslatedField($component['caption'] ?? [], $lang);
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break;
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case 'audio':
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$formatted['src'] = $this->getTranslatedField($component['src'] ?? [], $lang);
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$formatted['caption'] = $this->getTranslatedField($component['caption'] ?? [], $lang);
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break;
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case 'tabs':
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$formatted['tabs'] = [];
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if (isset($component['tabs']) && is_array($component['tabs'])) {
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foreach ($component['tabs'] as $tab) {
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$formatted['tabs'][] = [
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'title' => $this->getTranslatedField($tab['title'] ?? [], $lang),
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'content' => $this->getTranslatedField($tab['content'] ?? [], $lang)
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];
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}
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}
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break;
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case 'slideshow':
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$formatted['slides'] = [];
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if (isset($component['slides']) && is_array($component['slides'])) {
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foreach ($component['slides'] as $slide) {
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$formatted['slides'][] = [
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'image' => $slide['image'] ?? '',
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'caption' => $this->getTranslatedField($slide['caption'] ?? [], $lang)
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];
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}
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}
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break;
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}
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return $formatted;
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}
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private function getTranslatedField($field, $lang, $fallback = 'en')
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{
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if (is_string($field)) {
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return $field;
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}
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if (is_array($field)) {
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return $field[$lang] ?? $field[$fallback] ?? reset($field) ?: '';
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}
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return '';
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}
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private function getTranslations($lang)
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{
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// UI translations - these should be stored in config or separate files
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$translations = [
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'en' => [
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'appTitle' => 'EU Media Guide',
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'scanQR' => 'Scan QR',
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'selectLanguage' => 'Select Language',
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'contentLibrary' => 'Content Library',
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'noContent' => 'Scan a QR code or select content from the menu',
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'errorLoading' => 'Failed to load content. Please try again.',
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'playAudio' => 'Play Audio',
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'pauseAudio' => 'Pause Audio',
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'next' => 'Next',
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'previous' => 'Previous',
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'closeMenu' => 'Close Menu',
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'openMenu' => 'Open Menu',
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'loading' => 'Loading...'
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],
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'fr' => [
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'appTitle' => 'Guide Média UE',
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'scanQR' => 'Scanner QR',
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'selectLanguage' => 'Choisir la langue',
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'contentLibrary' => 'Bibliothèque de contenu',
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'noContent' => 'Scannez un code QR ou sélectionnez du contenu dans le menu',
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'errorLoading' => 'Échec du chargement. Veuillez réessayer.',
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'playAudio' => 'Lire l\'audio',
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'pauseAudio' => 'Pause audio',
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'next' => 'Suivant',
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'previous' => 'Précédent',
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'closeMenu' => 'Fermer le menu',
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'openMenu' => 'Ouvrir le menu',
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'loading' => 'Chargement...'
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],
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'de' => [
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'appTitle' => 'EU Media Guide',
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'scanQR' => 'QR scannen',
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'selectLanguage' => 'Sprache wählen',
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'contentLibrary' => 'Inhaltsbibliothek',
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'noContent' => 'Scannen Sie einen QR-Code oder wählen Sie Inhalte aus dem Menü',
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'errorLoading' => 'Laden fehlgeschlagen. Bitte versuchen Sie es erneut.',
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'playAudio' => 'Audio abspielen',
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'pauseAudio' => 'Audio pausieren',
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'next' => 'Weiter',
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'previous' => 'Zurück',
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'closeMenu' => 'Menü schließen',
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'openMenu' => 'Menü öffnen',
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'loading' => 'Laden...'
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],
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'nl' => [
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'appTitle' => 'EU Media Gids',
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'scanQR' => 'QR scannen',
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'selectLanguage' => 'Taal selecteren',
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'contentLibrary' => 'Inhoudsbibliotheek',
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'noContent' => 'Scan een QR-code of selecteer inhoud uit het menu',
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'errorLoading' => 'Laden mislukt. Probeer het opnieuw.',
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'playAudio' => 'Audio afspelen',
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'pauseAudio' => 'Audio pauzeren',
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'next' => 'Volgende',
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'previous' => 'Vorige',
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'closeMenu' => 'Menu sluiten',
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'openMenu' => 'Menu openen',
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'loading' => 'Laden...'
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]
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// Add more languages as needed
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];
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return $translations[$lang] ?? $translations['en'];
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}
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private function exportAllToJson()
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{
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$exportPath = $this->grav['locator']->findResource('user://') . '/export/';
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if (!is_dir($exportPath)) {
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mkdir($exportPath, 0755, true);
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}
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$languages = $this->grav['config']->get('system.languages.supported', ['en']);
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$exported = [];
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foreach ($languages as $lang) {
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// Export stations
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$stations = $this->getStationsList($lang);
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file_put_contents(
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$exportPath . "stations.{$lang}.json",
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json_encode($stations, JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE)
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);
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// Export each station content
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foreach ($stations as $station) {
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$content = $this->getStation($station['id'], $lang);
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if ($content) {
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file_put_contents(
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$exportPath . "{$station['id']}.{$lang}.json",
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json_encode($content, JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE)
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);
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}
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}
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// Export translations
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$translations = $this->getTranslations($lang);
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file_put_contents(
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$exportPath . "translations.{$lang}.json",
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json_encode($translations, JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE)
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);
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$exported[] = $lang;
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}
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return [
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'success' => true,
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'exported_languages' => $exported,
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'path' => $exportPath
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];
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}
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}
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