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Bugfix

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This commit is contained in:
Jürgen Mummert
2025-12-25 15:47:17 +01:00
parent 798aaadb7e
commit 6d86faa62f
4 changed files with 45 additions and 127 deletions
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src/Service/PdfIndexService.php
+35 -95
View File
@@ -8,63 +8,43 @@ use Symfony\Component\DependencyInjection\ParameterBag\ParameterBagInterface;
class PdfIndexService
{
private int $crawlStart = 0;
public function startCrawl(): void
{
if ($this->crawlStart === 0) {
$this->crawlStart = time();
error_log('PDF Crawl Start: ' . $this->crawlStart);
}
}
public function cleanupRemovedPdfs(): void
{
if ($this->crawlStart === 0) {
return;
}
Database::getInstance()
->prepare('DELETE FROM tl_search_pdf WHERE tstamp < ?')
->execute($this->crawlStart);
error_log('PDF Cleanup abgeschlossen');
}
private string $projectDir;
private bool $tableReset = false;
public function __construct(ParameterBagInterface $params)
{
// Contao 5 / Symfony-konform
$this->projectDir = rtrim($params->get('kernel.project_dir'), '/');
}
/**
* Einstiegspunkt aus dem IndexPageListener
*/
/* =====================================================
* Reset tl_search_pdf einmal pro Crawl
* ===================================================== */
public function resetTableOnce(): void
{
if ($this->tableReset) {
return;
}
Database::getInstance()->execute('TRUNCATE TABLE tl_search_pdf');
$this->tableReset = true;
error_log('PDF Reset: tl_search_pdf geleert');
}
/* =====================================================
* Einstiegspunkt aus Listener
* ===================================================== */
public function handlePdfLinks(array $pdfLinks): void
{
error_log('PDF Service aufgerufen');
error_log('PDF Links Count: ' . count($pdfLinks));
error_log('PDF Links: ' . json_encode($pdfLinks, JSON_UNESCAPED_SLASHES));
foreach ($pdfLinks as $url) {
try {
error_log('bearbeite PDF: ' . $url);
$normalizedPath = $this->normalizePdfUrl($url);
error_log('umgewandelte URL: ' . var_export($normalizedPath, true));
if ($normalizedPath === null) {
error_log('→ übersprungen: kein gültiger PDF-Pfad');
continue;
}
$absolutePath = $this->getAbsolutePath($normalizedPath);
error_log('absoluter Pfad: ' . var_export($absolutePath, true));
if (!is_file($absolutePath)) {
error_log('→ übersprungen: Datei existiert nicht');
continue;
}
@@ -72,32 +52,24 @@ class PdfIndexService
$checksum = md5($normalizedPath . $mtime);
if ($this->alreadyIndexed($checksum)) {
error_log('→ übersprungen: bereits indexiert');
continue;
}
$title = basename($absolutePath);
error_log('gefundener Title: ' . $title);
$text = $this->parsePdf($absolutePath);
if ($text === '') {
error_log('→ übersprungen: PDF ohne Textinhalt');
continue;
}
$this->insertPdf(
$normalizedPath,
$title,
basename($absolutePath),
$text,
$checksum,
$mtime
);
error_log('geschrieben in tl_search_pdf');
} catch (\Throwable $e) {
error_log('PDF Service FEHLER (pro PDF): ' . $e->getMessage());
error_log($e->getTraceAsString());
error_log('PDF Service Fehler: ' . $e->getMessage());
}
}
}
@@ -107,15 +79,13 @@ class PdfIndexService
* ===================================================== */
private function normalizePdfUrl(string $url): ?string
{
// Fall 1: direkter /files/-Pfad
if (str_starts_with($url, '/files/') && str_ends_with($url, '.pdf')) {
return $url;
}
// Fall 2: Contao-Download-Link mit ?p=
$decoded = html_entity_decode($url);
$parts = parse_url($decoded);
if (!isset($parts['query'])) {
return null;
}
@@ -123,7 +93,6 @@ class PdfIndexService
parse_str($parts['query'], $query);
if (!empty($query['p'])) {
// Contao speichert Pfade relativ zu /files
return '/files/' . ltrim($query['p'], '/');
}
@@ -131,7 +100,7 @@ class PdfIndexService
}
/* =====================================================
* relativer Pfad → absoluter Pfad
* Pfade
* ===================================================== */
private function getAbsolutePath(string $relativePath): string
{
@@ -139,13 +108,11 @@ class PdfIndexService
}
/* =====================================================
* DB-Helfer
* DB
* ===================================================== */
private function alreadyIndexed(string $checksum): bool
{
$db = Database::getInstance();
$result = $db
$result = Database::getInstance()
->prepare('SELECT id FROM tl_search_pdf WHERE checksum = ?')
->execute($checksum);
@@ -159,9 +126,7 @@ class PdfIndexService
string $checksum,
int $mtime
): void {
$db = Database::getInstance();
$db
Database::getInstance()
->prepare('
INSERT INTO tl_search_pdf
(tstamp, url, title, text, checksum, file_mtime)
@@ -186,43 +151,18 @@ class PdfIndexService
$parser = new Parser();
$pdf = $parser->parseFile($absolutePath);
$text = $this->cleanPdfContent($pdf->getText());
$text = $pdf->getText();
// bewusst begrenzen (Performance + Relevanz)
return mb_substr($text, 0, 5000);
if (class_exists(\Normalizer::class)) {
$text = \Normalizer::normalize($text, \Normalizer::FORM_C);
}
} catch (\Throwable $e) {
error_log('PDF Parser FEHLER: ' . $e->getMessage());
$text = preg_replace('/[^\p{L}\p{N}\p{P}\p{Z}]/u', ' ', $text);
$text = preg_replace('/\s+/u', ' ', $text);
return trim(mb_substr($text, 0, 5000));
} catch (\Throwable) {
return '';
}
}
private function cleanPdfContent(string $text): string
{
// 1. Unicode normalisieren (wichtig!)
if (class_exists(\Normalizer::class)) {
$text = \Normalizer::normalize($text, \Normalizer::FORM_C);
}
// 2. Musik- & Spezialglyphen entfernen
$text = preg_replace('/[^\p{L}\p{N}\p{P}\p{Z}\n]/u', ' ', $text);
// 3. Falsche Worttrennungen reparieren: "ges pielt" → "gespielt"
$text = preg_replace('/(?<=\p{L})\s+(?=\p{L})/u', ' ', $text);
// 4. Spezielle PDF-Apostrophe reparieren
$text = str_replace(
["\\'", "’", "‘"],
"'",
$text
);
// 5. Mehrfache Satzzeichen bereinigen
$text = preg_replace('/([.,;:!?])\1+/', '$1', $text);
// 6. Überflüssige Leerzeichen & Zeilenumbrüche
$text = preg_replace('/\s+/u', ' ', $text);
return trim($text);
}
}