Neu: YouTube Playlist Analyzer
This commit is contained in:
Akamaru
214
yt_playlist/fetch_playlist.php
Normal file
214
yt_playlist/fetch_playlist.php
Normal file
@@ -0,0 +1,214 @@
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<?php
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// Fehlerberichterstattung für Debugging
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error_reporting(E_ALL);
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ini_set('display_errors', 0); // Keine Ausgabe, nur JSON
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header('Content-Type: application/json');
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header('Access-Control-Allow-Origin: *');
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header('Access-Control-Allow-Methods: POST');
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header('Access-Control-Allow-Headers: Content-Type');
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// Fehlerbehandlung
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set_error_handler(function($errno, $errstr, $errfile, $errline) {
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throw new ErrorException($errstr, 0, $errno, $errfile, $errline);
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});
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try {
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// Nur POST-Anfragen erlauben
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if ($_SERVER['REQUEST_METHOD'] !== 'POST') {
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http_response_code(405);
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echo json_encode(['error' => 'Nur POST-Anfragen erlaubt']);
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exit;
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}
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// Lese JSON-Input
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$rawInput = file_get_contents('php://input');
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$input = json_decode($rawInput, true);
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if (json_last_error() !== JSON_ERROR_NONE) {
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throw new Exception('Ungültiges JSON: ' . json_last_error_msg());
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}
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if (!isset($input['playlistId']) || !isset($input['apiKey'])) {
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http_response_code(400);
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echo json_encode(['error' => 'playlistId und apiKey sind erforderlich']);
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exit;
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}
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$playlistId = $input['playlistId'];
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$apiKey = $input['apiKey'];
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// Validierung
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if (empty($playlistId) || empty($apiKey)) {
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http_response_code(400);
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echo json_encode(['error' => 'playlistId und apiKey dürfen nicht leer sein']);
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exit;
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}
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$videos = [];
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$pageToken = '';
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$maxResults = 50;
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$playlistTitle = '';
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// Prüfe ob cURL verfügbar ist
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if (!function_exists('curl_init')) {
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throw new Exception('cURL ist nicht verfügbar. Bitte aktiviere die cURL-Extension in PHP.');
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}
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// Hole Playlist-Informationen (Titel)
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$playlistInfoUrl = "https://www.googleapis.com/youtube/v3/playlists?part=snippet&id=" . urlencode($playlistId) . "&key=" . urlencode($apiKey);
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$playlistInfoResponse = curlRequest($playlistInfoUrl);
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if ($playlistInfoResponse !== false) {
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$playlistInfoData = json_decode($playlistInfoResponse, true);
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if (isset($playlistInfoData['items'][0]['snippet']['title'])) {
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$playlistTitle = $playlistInfoData['items'][0]['snippet']['title'];
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}
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}
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// Hole alle Videos der Playlist (paginiert)
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do {
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$url = "https://www.googleapis.com/youtube/v3/playlistItems?part=contentDetails&playlistId=" . urlencode($playlistId) . "&maxResults=" . $maxResults . "&pageToken=" . urlencode($pageToken) . "&key=" . urlencode($apiKey);
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$response = curlRequest($url);
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if ($response === false) {
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throw new Exception('API-Anfrage fehlgeschlagen (Netzwerkfehler)');
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}
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$data = json_decode($response, true);
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if (json_last_error() !== JSON_ERROR_NONE) {
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throw new Exception('Ungültige JSON-Antwort von YouTube API');
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}
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if (isset($data['error'])) {
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$errorMsg = $data['error']['message'] ?? 'YouTube API Fehler';
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$errorCode = $data['error']['code'] ?? 'unbekannt';
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throw new Exception("YouTube API Fehler ($errorCode): $errorMsg");
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}
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if (!isset($data['items'])) {
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throw new Exception('Ungültige API-Antwort: items fehlt');
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}
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// Sammle Video-IDs
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$videoIds = array_map(function($item) {
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return $item['contentDetails']['videoId'];
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}, $data['items']);
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if (empty($videoIds)) {
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break; // Keine Videos mehr
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}
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// Hole Video-Details (inkl. Upload-Datum und Dauer)
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$videoDetailsUrl = "https://www.googleapis.com/youtube/v3/videos?part=snippet,contentDetails&id=" . implode(',', $videoIds) . "&key=" . urlencode($apiKey);
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$videoResponse = curlRequest($videoDetailsUrl);
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if ($videoResponse === false) {
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throw new Exception('Video-Details konnten nicht geladen werden');
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}
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$videoData = json_decode($videoResponse, true);
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if (json_last_error() !== JSON_ERROR_NONE) {
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throw new Exception('Ungültige JSON-Antwort bei Video-Details');
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}
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if (isset($videoData['error'])) {
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$errorMsg = $videoData['error']['message'] ?? 'YouTube API Fehler';
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throw new Exception("YouTube API Fehler bei Video-Details: $errorMsg");
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}
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// Extrahiere Upload-Daten und Dauer
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if (isset($videoData['items'])) {
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foreach ($videoData['items'] as $video) {
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$videos[] = [
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'publishedAt' => $video['snippet']['publishedAt'] ?? null,
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'duration' => $video['contentDetails']['duration'] ?? null
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];
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}
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}
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$pageToken = $data['nextPageToken'] ?? '';
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} while ($pageToken);
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// Berechne Gesamtdauer
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$totalMinutes = 0;
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foreach ($videos as $video) {
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if ($video['duration']) {
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$totalMinutes += parseDuration($video['duration']);
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}
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}
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// Finde ältestes und neuestes Datum
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$dates = array_filter(array_map(function($video) {
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return $video['publishedAt'];
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}, $videos));
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sort($dates);
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$oldestDate = count($dates) > 0 ? substr($dates[0], 0, 10) : null;
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$newestDate = count($dates) > 0 ? substr($dates[count($dates) - 1], 0, 10) : null;
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// Sende Ergebnis
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echo json_encode([
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'playlistTitle' => $playlistTitle,
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'videoCount' => count($videos),
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'totalMinutes' => $totalMinutes,
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'oldestDate' => $oldestDate,
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'newestDate' => $newestDate
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]);
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} catch (Exception $e) {
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http_response_code(500);
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echo json_encode([
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'error' => $e->getMessage(),
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'file' => basename($e->getFile()),
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'line' => $e->getLine()
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]);
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}
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/**
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* Macht HTTP-Anfrage mit cURL
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*/
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function curlRequest($url) {
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$ch = curl_init();
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curl_setopt($ch, CURLOPT_URL, $url);
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
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curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
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curl_setopt($ch, CURLOPT_TIMEOUT, 30);
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curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, true);
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curl_setopt($ch, CURLOPT_USERAGENT, 'YouTube Playlist Analyzer/1.0');
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$response = curl_exec($ch);
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$error = curl_error($ch);
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$httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
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curl_close($ch);
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if ($response === false) {
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throw new Exception('cURL-Fehler: ' . $error);
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}
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return $response;
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}
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/**
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* Konvertiert ISO 8601 Duration in Minuten
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* Format: PT#H#M#S
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*/
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function parseDuration($duration) {
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preg_match('/PT(?:(\d+)H)?(?:(\d+)M)?(?:(\d+)S)?/', $duration, $matches);
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$hours = isset($matches[1]) ? (int)$matches[1] : 0;
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$minutes = isset($matches[2]) ? (int)$matches[2] : 0;
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$seconds = isset($matches[3]) ? (int)$matches[3] : 0;
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// Auf volle Minuten aufrunden
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$totalMinutes = $hours * 60 + $minutes + ceil($seconds / 60);
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return $totalMinutes;
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}
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?>
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