Moritz Weinmann
07f9f304a4
pdfparser scheitert an "secured" PDFs (Kopier-Schutz ohne Passwort). pdftotext aus poppler-utils umgeht diesen Schutz und extrahiert den eingebetteten Text korrekt. Falls pdftotext nicht verfügbar ist oder nichts liefert, bleibt pdfparser als Fallback erhalten. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
474 lines
20 KiB
PHP
474 lines
20 KiB
PHP
<?php
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/**
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* Migration: Alte Wiki-Artikel (main_collection) → Neue Wiki-Struktur (knowledgecenter_posts)
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*
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* CLI-only. Idempotent (über legacy_collection_id). Pro Artikel transaktional.
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*
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* Aufruf:
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* php migrate_old_wiki.php --dry-run --collection-id=1491
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* php migrate_old_wiki.php --apply --collection-id=1491 --api-key=KEY
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* php migrate_old_wiki.php --apply --limit=5 --api-key=KEY
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* php migrate_old_wiki.php --apply (alle Artikel)
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*
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* Optionen:
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* --dry-run Standard. Nur analysieren, nichts schreiben.
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* --apply Wirklich migrieren (DB + Dateien).
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* --collection-id=N Nur diesen Artikel migrieren.
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* --limit=N Maximal N Artikel migrieren (für Tests).
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* --api-key=KEY Gemini API Key (oder via GEMINI_API_KEY env).
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* --skip-summaries Keine KI-Zusammenfassung generieren.
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* --verbose Mehr Details ausgeben.
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* --help Diese Hilfe.
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*/
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if (PHP_SAPI !== 'cli') {
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fwrite(STDERR, "Dieses Skript ist CLI-only.\n");
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exit(2);
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}
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$currDir = __DIR__;
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$rootDir = dirname(dirname(dirname($currDir)));
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$mysydeDir = $rootDir . '/mysyde';
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require_once($rootDir . '/vendor/autoload.php');
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$envDir = $rootDir . '/config';
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$envFilePath = $envDir . '/.env';
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if (is_dir($envDir) && file_exists($envFilePath) && is_readable($envFilePath)) {
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$dotenv = new \Dotenv\Dotenv($envDir);
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$dotenv->load();
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}
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require_once($mysydeDir . '/common/common_functions.inc.php');
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$connEnv = (local_environment()) ? $mysydeDir . '/dc.config.php' : $mysydeDir . '/dc-server.config.php';
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require_once($connEnv);
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db_connect();
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// ------- Args -------
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$opts = [
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'dry-run' => true,
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'apply' => false,
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'collection-id' => null,
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'limit' => null,
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'api-key' => getenv('GEMINI_API_KEY') ?: null,
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'skip-summaries' => false,
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'summaries-only' => false,
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'verbose' => false,
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];
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foreach (array_slice($argv, 1) as $arg) {
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if ($arg === '--help' || $arg === '-h') {
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echo "Usage: php migrate_old_wiki.php [--dry-run|--apply] [--collection-id=N] [--limit=N] [--api-key=KEY] [--skip-summaries] [--verbose]\n";
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exit(0);
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}
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if ($arg === '--apply') { $opts['apply'] = true; $opts['dry-run'] = false; continue; }
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if ($arg === '--dry-run') { $opts['dry-run'] = true; $opts['apply'] = false; continue; }
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if ($arg === '--skip-summaries') { $opts['skip-summaries'] = true; continue; }
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if ($arg === '--summaries-only') { $opts['summaries-only'] = true; continue; }
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if ($arg === '--verbose') { $opts['verbose'] = true; continue; }
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if (preg_match('/^--collection-id=(\d+)$/', $arg, $m)) { $opts['collection-id'] = (int)$m[1]; continue; }
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if (preg_match('/^--limit=(\d+)$/', $arg, $m)) { $opts['limit'] = (int)$m[1]; continue; }
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if (preg_match('/^--api-key=(.+)$/', $arg, $m)) { $opts['api-key'] = $m[1]; continue; }
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fwrite(STDERR, "Unbekannte Option: $arg\n");
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exit(2);
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}
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$dryRun = !$opts['apply'];
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$verbose = $opts['verbose'];
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$apiKey = $opts['api-key'];
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$skipSummary = $opts['skip-summaries'];
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$userdataDir = $rootDir . '/userdata';
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// ------- Log-Datei -------
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$logDir = $userdataDir . '/knowledgecenter_update/migrations';
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if (!is_dir($logDir)) @mkdir($logDir, 0775, true);
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$logFile = $logDir . '/wiki_migration_' . gmdate('Ymd_His') . '.log';
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$logFp = fopen($logFile, 'w');
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if (!$logFp) { fwrite(STDERR, "Log-Datei nicht anlegbar: $logFile\n"); exit(3); }
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fwrite(STDOUT, "Log: $logFile\n");
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// ------- Logging -------
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function logmsg(string $msg, string $level = 'INFO'): void {
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global $verbose, $logFp;
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$line = '[' . gmdate('Y-m-d H:i:s') . " UTC] [$level] $msg\n";
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fwrite($logFp, $line);
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if ($verbose || in_array($level, ['ERROR', 'FAIL', 'OK', 'WARN', 'HEAD', 'SKIP', 'PROMPT'], true)) {
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fwrite(STDOUT, $line);
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}
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}
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// ------- Phase 0: Schema-Vorbereitung -------
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logmsg("Prüfe Schema ...", 'HEAD');
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mysqli_query($GLOBALS['mysql_con'],
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"ALTER TABLE knowledgecenter_posts ADD COLUMN IF NOT EXISTS legacy_collection_id INT NULL");
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mysqli_query($GLOBALS['mysql_con'],
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"CREATE UNIQUE INDEX IF NOT EXISTS idx_legacy_collection ON knowledgecenter_posts(legacy_collection_id)");
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// ------- Hilfsfunktionen -------
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/**
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* Returns ['teaser' => string, 'content' => string]
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* setup_content_id=55 (kc_teaser, data-field) → teaser
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* setup_content_id=58 (kc_article, textcontent_header) → content
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*/
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function assemble_content(int $cid): array {
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$sql = "SELECT mcl.main_collection_setup_content_id, mcl.main_sitepart_id,
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mcl.main_sitepart_header_id, mcl.data
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FROM main_collection_link mcl
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WHERE mcl.main_collection_id = $cid
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ORDER BY mcl.id";
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$res = mysqli_query($GLOBALS['mysql_con'], $sql);
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$teaser = '';
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$content = '';
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while ($row = mysqli_fetch_assoc($res)) {
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$scid = (int)$row['main_collection_setup_content_id'];
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if ($scid === 55) {
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// Teaser: plain text im data-Feld, keine HTML-Tags
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$text = trim($row['data'] ?? '');
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if ($text !== '') {
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$teaser .= ($teaser !== '' ? ' ' : '') . $text;
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}
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} elseif ($row['main_sitepart_id'] == 1 && $row['main_sitepart_header_id'] > 0) {
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// Artikeltext: HTML aus textcontent_header (setup_content_id=58 oder ähnlich)
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$hid = (int)$row['main_sitepart_header_id'];
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$hres = mysqli_query($GLOBALS['mysql_con'],
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"SELECT content FROM textcontent_header WHERE id = $hid LIMIT 1");
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if ($hrow = mysqli_fetch_assoc($hres)) {
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$content .= $hrow['content'];
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}
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}
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}
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return ['teaser' => $teaser, 'content' => $content];
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}
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function get_article_files(int $cid): array {
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// sitepart_id 5, 6, 10 sind filegallery-Typen; sitepart_id=1 ist textcontent_header (nicht joinen!)
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$sql = "SELECT DISTINCT fl.filename, fl.extension, fl.description
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FROM main_collection_link mcl
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JOIN filegallery_line fl ON fl.header_id = mcl.main_sitepart_header_id
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WHERE mcl.main_collection_id = $cid
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AND mcl.main_sitepart_id IN (5, 6, 10)
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AND mcl.main_sitepart_header_id > 0
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AND fl.filename != ''
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ORDER BY fl.sorting";
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$res = mysqli_query($GLOBALS['mysql_con'], $sql);
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$files = [];
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while ($row = mysqli_fetch_assoc($res)) {
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$files[] = $row;
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}
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return $files;
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}
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function extract_pdf_text(string $filePath): string {
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if (!file_exists($filePath) || filesize($filePath) === 0) return '';
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// pdftotext ist robuster bei gesicherten PDFs (nur Kopier-Schutz, kein Passwort)
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$pdftotext = trim(shell_exec('which pdftotext 2>/dev/null') ?? '');
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if ($pdftotext !== '') {
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$escaped = escapeshellarg($filePath);
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$out = shell_exec("$pdftotext -nopgbrk $escaped - 2>/dev/null");
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if ($out !== null && strlen(trim($out)) > 10) {
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return preg_replace('/\s+/', ' ', trim($out));
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}
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}
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// Fallback: pdfparser
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try {
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$parser = new \Smalot\PdfParser\Parser();
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$pdf = $parser->parseFile($filePath);
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$text = trim($pdf->getText());
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return preg_replace('/\s+/', ' ', $text);
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} catch (\Throwable $e) {
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return '';
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}
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}
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function generate_summary(string $htmlContent, array $files, string $userdataDir, string $apiKey, string $title, string $teaser = ''): ?string {
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$parts = [];
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// Teaser bevorzugen: bereits plain text, sehr kurz → spart Input-Tokens
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if (strlen($teaser) > 30) {
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$parts[] = $teaser;
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}
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// Fließtext: HTML entfernen, auf 1500 Zeichen cappen
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$plainText = html_entity_decode(strip_tags($htmlContent), ENT_HTML5 | ENT_QUOTES, 'UTF-8');
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$plainText = trim(preg_replace('/\s+/', ' ', $plainText));
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if (strlen($plainText) > 30) {
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$parts[] = mb_substr($plainText, 0, 1500);
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}
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// PDFs nur wenn sonst kein Inhalt vorhanden, auf 800 Zeichen begrenzen
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if (empty($parts)) {
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foreach ($files as $file) {
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if (strtolower($file['extension']) !== 'pdf') continue;
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$pdfText = extract_pdf_text($userdataDir . '/' . $file['filename']);
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if (strlen($pdfText) > 50) {
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$label = $file['description'] ?: basename($file['filename']);
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$parts[] = 'Anhang "' . $label . '": ' . mb_substr($pdfText, 0, 800);
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break; // ein PDF reicht
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}
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}
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}
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if (empty($parts)) {
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return null;
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}
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$prompt = "Fasse in 2-3 deutschen Sätzen zusammen. Nur Zusammenfassung.\nTitel: $title\n\n"
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. implode("\n\n", $parts);
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logmsg(" PROMPT (" . strlen($prompt) . " Zeichen)", 'PROMPT');
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$payload = json_encode([
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'contents' => [['parts' => [['text' => $prompt]]]],
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'generationConfig' => [
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'maxOutputTokens' => 150,
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'temperature' => 0.2,
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'thinkingConfig' => ['thinkingBudget' => 0],
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],
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]);
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$url = 'https://generativelanguage.googleapis.com/v1beta/models/gemini-2.5-flash:generateContent?key=' . urlencode($apiKey);
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$resp = '';
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$httpCode = 0;
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$attempts = [[0, null], [5, 503], [15, 503], [30, 429], [60, 429]];
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foreach ($attempts as [$wait, $label]) {
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if ($wait > 0) {
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logmsg(" Gemini $httpCode – warte {$wait}s (retry) ...", 'WARN');
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sleep($wait);
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}
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$ch = curl_init($url);
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curl_setopt_array($ch, [
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CURLOPT_POST => true,
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CURLOPT_RETURNTRANSFER => true,
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CURLOPT_TIMEOUT => 30,
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CURLOPT_HTTPHEADER => ['Content-Type: application/json'],
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CURLOPT_POSTFIELDS => $payload,
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]);
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$resp = curl_exec($ch);
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$httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
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curl_close($ch);
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if ($httpCode !== 503 && $httpCode !== 429) break;
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}
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if ($httpCode !== 200) {
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logmsg("Gemini API Fehler HTTP $httpCode: " . substr($resp, 0, 200), 'WARN');
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return null;
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}
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$data = json_decode($resp, true);
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$summary = trim($data['candidates'][0]['content']['parts'][0]['text'] ?? '');
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if (strlen($summary) < 30) {
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logmsg(" Gemini Roh-Antwort: " . substr($resp, 0, 500), 'WARN');
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}
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return $summary;
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}
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// ------- Permissions aus main_collection auf Post übertragen -------
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function copy_permissions_to_post(int $postId, int $collectionId): void {
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$maps = [
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['src' => 'main_collection_mandant_link', 'src_col' => 'main_mandant_id', 'dst' => 'knowledgecenter_post_mandant', 'dst_col' => 'mandant_id'],
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['src' => 'main_collection_department_link', 'src_col' => 'main_department_id', 'dst' => 'knowledgecenter_post_department', 'dst_col' => 'department_id'],
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['src' => 'main_collection_role_link', 'src_col' => 'main_role_id', 'dst' => 'knowledgecenter_post_role', 'dst_col' => 'role_id'],
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['src' => 'main_collection_einricht_link', 'src_col' => 'main_einricht_id', 'dst' => 'knowledgecenter_post_einricht', 'dst_col' => 'einricht_id'],
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['src' => 'main_collection_fachbereich_link', 'src_col' => 'main_fachbereich_id', 'dst' => 'knowledgecenter_post_fachbereich', 'dst_col' => 'fachbereich_id'],
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];
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foreach ($maps as $m) {
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$sql = "INSERT IGNORE INTO {$m['dst']} (post_id, {$m['dst_col']})
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SELECT $postId, {$m['src_col']} FROM {$m['src']} WHERE main_collection_id = $collectionId";
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mysqli_query($GLOBALS['mysql_con'], $sql);
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}
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}
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// ------- Artikel laden -------
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$whereClause = "mc.main_collection_setup_id = 3 AND mc.is_archived = 0 AND mc.active = 1 AND mc.description != ''";
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if ($opts['collection-id'] !== null) {
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$whereClause .= " AND mc.id = " . (int)$opts['collection-id'];
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}
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// ------- Summaries-only Modus: fehlende Summaries für bereits migrierte Posts nachfüllen -------
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if ($opts['summaries-only']) {
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if (!$apiKey) { fwrite(STDERR, "--summaries-only benötigt --api-key\n"); exit(2); }
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$sumSql = "SELECT p.id as post_id, p.legacy_collection_id, pv.id as version_id, pv.title,
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pv.teaser, pv.content
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FROM knowledgecenter_posts p
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JOIN knowledgecenter_post_versions pv ON pv.post_id = p.id AND pv.version_number = 1
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WHERE (pv.summary IS NULL OR pv.summary = '')
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AND p.legacy_collection_id IS NOT NULL";
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if ($opts['collection-id'] !== null) {
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$sumSql .= " AND p.legacy_collection_id = " . (int)$opts['collection-id'];
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}
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if ($opts['limit'] !== null) {
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$sumSql .= " LIMIT " . (int)$opts['limit'];
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}
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$sumResult = mysqli_query($GLOBALS['mysql_con'], $sumSql);
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$sumTotal = mysqli_num_rows($sumResult);
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logmsg("Summaries-only: $sumTotal Posts ohne Summary", 'HEAD');
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$sumStats = ['ok' => 0, 'fail' => 0];
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while ($sumRow = mysqli_fetch_assoc($sumResult)) {
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$postId = (int)$sumRow['post_id'];
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$collId = (int)$sumRow['legacy_collection_id'];
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$versionId = (int)$sumRow['version_id'];
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$title = $sumRow['title'];
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$files = get_article_files($collId);
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$teaser = $sumRow['teaser'] ?? '';
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$summary = generate_summary($sumRow['content'], $files, $userdataDir, $apiKey, $title, $teaser) ?? '';
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if ($summary === '') {
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logmsg(" [FAIL] Post $postId \"$title\": leere Summary", 'WARN');
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$sumStats['fail']++;
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} else {
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$sumEsc = mysqli_real_escape_string($GLOBALS['mysql_con'], $summary);
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mysqli_query($GLOBALS['mysql_con'],
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"UPDATE knowledgecenter_post_versions SET summary = '$sumEsc' WHERE id = $versionId");
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logmsg("[OK ] Post $postId \"$title\": " . mb_substr($summary, 0, 80), 'OK');
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$sumStats['ok']++;
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}
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sleep(4); // 15 RPM Free-Tier: mind. 4 Sek. zwischen Requests
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}
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logmsg(sprintf("Summaries fertig. ok=%d fail=%d", $sumStats['ok'], $sumStats['fail']), 'HEAD');
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logmsg("Log-Datei: $logFile", 'HEAD');
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fclose($logFp);
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exit(0);
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}
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$sql = "SELECT mc.id, mc.description, mc.creation_date, mc.modified_date,
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mc.validity_from, mc.validity_to
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FROM main_collection mc
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WHERE $whereClause
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ORDER BY mc.id";
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if ($opts['limit'] !== null) {
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$sql .= " LIMIT " . (int)$opts['limit'];
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}
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$result = mysqli_query($GLOBALS['mysql_con'], $sql);
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$total = mysqli_num_rows($result);
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logmsg("Modus=" . ($dryRun ? 'DRY-RUN' : 'APPLY') . " Artikel=$total Limit=" .
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($opts['limit'] ?? 'alle') . " API=" . ($apiKey && !$skipSummary ? 'ja' : 'nein'), 'HEAD');
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$stats = ['ok' => 0, 'skipped' => 0, 'fail' => 0];
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while ($row = mysqli_fetch_assoc($result)) {
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$cid = (int)$row['id'];
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$title = $row['description'];
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// Idempotenz-Check
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$already = mysqli_query($GLOBALS['mysql_con'],
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"SELECT id FROM knowledgecenter_posts WHERE legacy_collection_id = $cid LIMIT 1");
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if ($already && mysqli_num_rows($already) > 0) {
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logmsg("Artikel $cid \"$title\" – bereits migriert, überspringe.", 'SKIP');
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$stats['skipped']++;
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continue;
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}
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$parts = assemble_content($cid);
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$teaserHtml = $parts['teaser'];
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$htmlContent = $parts['content'];
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$files = get_article_files($cid);
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$htmlLen = strlen($htmlContent);
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$catRes = mysqli_query($GLOBALS['mysql_con'],
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"SELECT knowledgecenter_category_id FROM knowledgecenter_collection_link WHERE main_collection_id = $cid");
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$catIds = [];
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while ($cr = mysqli_fetch_assoc($catRes)) {
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$catIds[] = (int)$cr['knowledgecenter_category_id'];
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}
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logmsg("Artikel $cid \"$title\" | Teaser=" . strlen($teaserHtml) . "B | HTML=" . $htmlLen . "B | Dateien=" . count($files) .
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" | Kategorien=[" . implode(',', $catIds) . "]");
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if ($dryRun) {
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$stats['ok']++;
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continue;
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}
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// Summary generieren (vor der Transaktion, API-Call außerhalb)
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$summary = '';
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if (!$skipSummary && $apiKey) {
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$fullContent = $teaserHtml . $htmlContent;
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$generated = generate_summary($fullContent, $files, $userdataDir, $apiKey, $title);
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$summary = $generated ?? '';
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logmsg(" Summary: " . (strlen($summary) > 0 ? '"' . mb_substr($summary, 0, 100) . '"' : '(leer)'));
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sleep(4); // 15 RPM Free-Tier: mind. 4 Sek. zwischen Requests
|
||
}
|
||
|
||
// HTML-Entities dekodieren für saubere UTF-8 Speicherung
|
||
$cleanHtml = html_entity_decode($htmlContent, ENT_HTML5 | ENT_QUOTES, 'UTF-8');
|
||
|
||
mysqli_query($GLOBALS['mysql_con'], 'START TRANSACTION');
|
||
try {
|
||
$titleEsc = mysqli_real_escape_string($GLOBALS['mysql_con'], $title);
|
||
$summaryEsc = mysqli_real_escape_string($GLOBALS['mysql_con'], $summary);
|
||
$teaserEsc = mysqli_real_escape_string($GLOBALS['mysql_con'], $teaserHtml);
|
||
$contentEsc = mysqli_real_escape_string($GLOBALS['mysql_con'], $cleanHtml);
|
||
$createdAt = date('Y-m-d H:i:s', (int)$row['creation_date']);
|
||
$modifiedAt = date('Y-m-d H:i:s', (int)$row['modified_date']);
|
||
$validFrom = $row['validity_from'] ? "'" . $row['validity_from'] . "'" : 'NULL';
|
||
$validUntil = $row['validity_to'] ? "'" . $row['validity_to'] . "'" : 'NULL';
|
||
|
||
// knowledgecenter_posts
|
||
$sqlPost = "INSERT INTO knowledgecenter_posts (legacy_collection_id, created_at, modified_at)
|
||
VALUES ($cid, '$createdAt', '$modifiedAt')";
|
||
if (!mysqli_query($GLOBALS['mysql_con'], $sqlPost)) {
|
||
throw new RuntimeException("Post-Insert: " . mysqli_error($GLOBALS['mysql_con']));
|
||
}
|
||
$postId = (int)mysqli_insert_id($GLOBALS['mysql_con']);
|
||
|
||
// knowledgecenter_post_versions
|
||
$sqlVer = "INSERT INTO knowledgecenter_post_versions
|
||
(post_id, version_number, language_id, title, teaser, content, summary, state, modified_at, valid_from, valid_until)
|
||
VALUES
|
||
($postId, 1, 1, '$titleEsc', '$teaserEsc', '$contentEsc', '$summaryEsc', 1, '$modifiedAt', $validFrom, $validUntil)";
|
||
if (!mysqli_query($GLOBALS['mysql_con'], $sqlVer)) {
|
||
throw new RuntimeException("Version-Insert: " . mysqli_error($GLOBALS['mysql_con']));
|
||
}
|
||
|
||
// Kategorie-Links
|
||
foreach ($catIds as $catId) {
|
||
mysqli_query($GLOBALS['mysql_con'],
|
||
"INSERT IGNORE INTO knowledgecenter_category_post (category_id, post_id) VALUES ($catId, $postId)");
|
||
}
|
||
|
||
// Permissions aus main_collection auf Post übertragen
|
||
copy_permissions_to_post($postId, $cid);
|
||
|
||
// Dateiverknüpfungen: Original-Pfad beibehalten, keine Kopie
|
||
foreach ($files as $file) {
|
||
$srcPath = $userdataDir . '/' . $file['filename'];
|
||
if (!file_exists($srcPath)) {
|
||
logmsg(" Quelldatei nicht gefunden: " . $file['filename'], 'WARN');
|
||
continue;
|
||
}
|
||
$relPath = '/userdata/' . $file['filename'];
|
||
$descEsc = mysqli_real_escape_string($GLOBALS['mysql_con'], $file['description'] ?: basename($file['filename']));
|
||
$pathEsc = mysqli_real_escape_string($GLOBALS['mysql_con'], $relPath);
|
||
mysqli_query($GLOBALS['mysql_con'],
|
||
"INSERT INTO knowledgecenter_post_files (post_id, description, path)
|
||
VALUES ($postId, '$descEsc', '$pathEsc')");
|
||
logmsg(" Datei verknüpft: " . $file['filename']);
|
||
}
|
||
|
||
mysqli_query($GLOBALS['mysql_con'], 'COMMIT');
|
||
logmsg("[OK ] Artikel $cid → Post $postId \"$title\"", 'OK');
|
||
$stats['ok']++;
|
||
|
||
} catch (\Throwable $e) {
|
||
mysqli_query($GLOBALS['mysql_con'], 'ROLLBACK');
|
||
logmsg("[FAIL] Artikel $cid \"$title\": " . $e->getMessage(), 'FAIL');
|
||
$stats['fail']++;
|
||
}
|
||
}
|
||
|
||
logmsg(sprintf("Fertig. ok=%d skipped=%d fail=%d modus=%s",
|
||
$stats['ok'], $stats['skipped'], $stats['fail'],
|
||
$dryRun ? 'DRY-RUN' : 'APPLY'), 'HEAD');
|
||
logmsg("Log-Datei: $logFile", 'HEAD');
|
||
fclose($logFp);
|