Bugfix
This commit is contained in:
Jürgen Mummert
@@ -132,13 +132,22 @@ class IndexPageListener
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private function findPdfLinks(string $content): array
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{
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if (!preg_match_all(
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'/<a\s+[^>]*href=["\']([^"\']*(?:\.pdf|p=pdf(?:%2F|\/)[^"\']*))["\']/i',
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'/<a\s+[^>]*href=["\']([^"\']*(?:\.pdf|p=pdf(?:%2F|\/)[^"\']*))["\'][^>]*>(.*?)<\/a>/is',
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$content,
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$matches
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)) {
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return [];
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}
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return array_unique(array_map('html_entity_decode', $matches[1]));
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$result = [];
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foreach ($matches[1] as $i => $href) {
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$result[] = [
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'url' => html_entity_decode($href),
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'linkText' => trim(strip_tags($matches[2][$i])) ?: null,
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];
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}
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return $result;
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}
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}
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+116
-39
@@ -8,71 +8,84 @@ use Symfony\Component\DependencyInjection\ParameterBag\ParameterBagInterface;
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class PdfIndexService
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{
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private bool $tableReset = false;
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private string $projectDir;
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private bool $crawlStarted = false;
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public function __construct(ParameterBagInterface $params)
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{
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$this->projectDir = rtrim($params->get('kernel.project_dir'), '/');
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}
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/**
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* 🔥 Wird bei JEDEM Crawl einmal aufgerufen
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*/
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public function resetTableOnce(): void
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/* =====================================================
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* Crawl-Start (immer aufrufen!)
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* ===================================================== */
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public function startCrawl(): void
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{
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if ($this->tableReset) {
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if ($this->crawlStarted) {
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return;
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}
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Database::getInstance()->execute('TRUNCATE TABLE tl_search_pdf');
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error_log('tl_search_pdf wurde geleert');
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$this->crawlStarted = true;
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$this->tableReset = true;
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// bewusst simpel: bei JEDEM Crawl komplett leeren
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Database::getInstance()->execute('TRUNCATE TABLE tl_search_pdf');
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error_log('PDF Crawl gestartet → tl_search_pdf geleert');
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}
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/**
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* Einstiegspunkt vom Listener
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*/
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/* =====================================================
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* Einstiegspunkt aus IndexPageListener
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* ===================================================== */
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public function handlePdfLinks(array $pdfLinks): void
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{
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foreach ($pdfLinks as $url) {
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foreach ($pdfLinks as $pdf) {
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try {
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$path = $this->normalizePdfUrl($url);
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if ($path === null) {
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$url = $pdf['url'];
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$linkText = $pdf['linkText'] ?? null;
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error_log('bearbeite PDF: ' . $url);
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$relativePath = $this->normalizePdfUrl($url);
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if ($relativePath === null) {
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error_log('→ übersprungen: kein gültiger PDF-Pfad');
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continue;
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}
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$absolutePath = $this->projectDir . '/' . ltrim($path, '/');
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$absolutePath = $this->projectDir . '/' . ltrim($relativePath, '/');
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if (!is_file($absolutePath)) {
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error_log('→ übersprungen: Datei existiert nicht');
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continue;
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}
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$parser = new Parser();
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$pdf = $parser->parseFile($absolutePath);
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$text = $this->cleanPdfContent($pdf->getText());
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$mtime = filemtime($absolutePath) ?: 0;
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$checksum = md5($relativePath . $mtime);
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// PDF parsen
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[$text, $metaTitle] = $this->parsePdf($absolutePath);
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if ($text === '') {
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error_log('→ übersprungen: kein Textinhalt');
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continue;
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}
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Database::getInstance()
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->prepare('
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INSERT INTO tl_search_pdf
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(tstamp, url, title, text, checksum, file_mtime)
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VALUES (?, ?, ?, ?, ?, ?)
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')
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->execute(
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time(),
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$path,
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basename($absolutePath),
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mb_substr($text, 0, 5000),
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md5($path),
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filemtime($absolutePath) ?: 0
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);
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// TITEL-PRIORITÄT
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$title =
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$linkText
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?: $metaTitle
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?: basename($absolutePath);
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$this->insertPdf(
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$relativePath,
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$title,
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$text,
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$checksum,
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$mtime
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);
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error_log('→ geschrieben in tl_search_pdf');
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} catch (\Throwable $e) {
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error_log('PDF Fehler: ' . $e->getMessage());
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error_log('PDF Service FEHLER: ' . $e->getMessage());
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}
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}
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}
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@@ -82,18 +95,22 @@ class PdfIndexService
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* ===================================================== */
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private function normalizePdfUrl(string $url): ?string
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{
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if (str_starts_with($url, '/files/') && str_ends_with($url, '.pdf')) {
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// direkter /files-Link
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if (str_starts_with($url, '/files/') && str_ends_with(strtolower($url), '.pdf')) {
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return $url;
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}
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$parts = parse_url(html_entity_decode($url));
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// Contao-Download-Link (?p=)
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$decoded = html_entity_decode($url);
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$parts = parse_url($decoded);
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if (!isset($parts['query'])) {
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return null;
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}
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parse_str($parts['query'], $query);
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if (!empty($query['p'])) {
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if (!empty($query['p']) && str_ends_with(strtolower($query['p']), '.pdf')) {
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return '/files/' . ltrim($query['p'], '/');
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}
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@@ -101,16 +118,76 @@ class PdfIndexService
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}
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/* =====================================================
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* Textbereinigung
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* DB
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* ===================================================== */
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private function insertPdf(
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string $url,
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string $title,
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string $text,
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string $checksum,
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int $mtime
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): void {
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Database::getInstance()
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->prepare('
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INSERT INTO tl_search_pdf
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(tstamp, url, title, text, checksum, file_mtime)
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VALUES (?, ?, ?, ?, ?, ?)
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')
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->execute(
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time(),
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$url,
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$title,
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$text,
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$checksum,
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$mtime
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);
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}
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/* =====================================================
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* PDF Parsing
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* ===================================================== */
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private function parsePdf(string $absolutePath): array
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{
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try {
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$parser = new Parser();
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$pdf = $parser->parseFile($absolutePath);
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$details = $pdf->getDetails();
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$metaTitle = $details['Title'] ?? null;
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$text = $this->cleanPdfContent($pdf->getText());
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return [
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mb_substr($text, 0, 5000),
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is_string($metaTitle) && trim($metaTitle) !== '' ? trim($metaTitle) : null,
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];
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} catch (\Throwable $e) {
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error_log('PDF Parser FEHLER: ' . $e->getMessage());
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return ['', null];
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}
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}
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/* =====================================================
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* Text-Bereinigung
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* ===================================================== */
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private function cleanPdfContent(string $text): string
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{
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// Unicode normalisieren
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if (class_exists(\Normalizer::class)) {
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$text = \Normalizer::normalize($text, \Normalizer::FORM_C);
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}
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// Sonderglyphen entfernen (Noten, Steuerzeichen etc.)
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$text = preg_replace('/[^\p{L}\p{N}\p{P}\p{Z}\n]/u', ' ', $text);
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$text = preg_replace('/(?<=\p{L})\s+(?=\p{L})/u', ' ', $text);
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// falsche Worttrennungen ("ges pielt")
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$text = preg_replace('/(?<=\p{L})\s+(?=\p{L})/u', '', $text);
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// Apostrophe vereinheitlichen
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$text = str_replace(["\\'", "’", "‘"], "'", $text);
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// Mehrfach-Leerzeichen
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$text = preg_replace('/\s+/u', ' ', $text);
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return trim($text);
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