Harwinder Sekhon
3ae6c1ae2e
Scans nested course folders for mp4s, tracks per-user resume position and per-folder progress. SPA frontend with hash routing over a JSON API; range-request streaming via stream.php.
65 lines
2.3 KiB
PHP
65 lines
2.3 KiB
PHP
<?php
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// GET api/progress.php?video_id=N -> saved progress for this user/video
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// POST api/progress.php -> save progress
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// JSON body: {video_id, position, duration}
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// (also accepts form-encoded fields; used by navigator.sendBeacon)
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require_once __DIR__ . '/../includes/auth.php';
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require_once __DIR__ . '/../includes/functions.php';
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header('Content-Type: application/json');
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$userId = requireLoginApi();
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if ($_SERVER['REQUEST_METHOD'] === 'GET') {
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$videoId = (int)($_GET['video_id'] ?? 0);
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$stmt = db()->prepare(
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'SELECT position_seconds, duration_seconds, completed
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FROM video_progress WHERE user_id = ? AND video_id = ?'
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);
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$stmt->execute([$userId, $videoId]);
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echo json_encode($stmt->fetch() ?: ['position_seconds' => 0, 'duration_seconds' => null, 'completed' => 0]);
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exit;
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}
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if ($_SERVER['REQUEST_METHOD'] !== 'POST') {
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http_response_code(405);
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echo json_encode(['error' => 'Method not allowed']);
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exit;
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}
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$raw = file_get_contents('php://input');
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$data = json_decode($raw, true);
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if (!is_array($data)) {
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parse_str($raw, $data); // sendBeacon posts form-encoded
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}
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$videoId = (int)($data['video_id'] ?? 0);
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$position = max(0, (float)($data['position'] ?? 0));
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$duration = (float)($data['duration'] ?? 0);
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if ($videoId <= 0 || !getVideo($videoId)) {
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http_response_code(400);
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echo json_encode(['error' => 'Unknown video']);
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exit;
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}
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$completed = ($duration > 0 && $position / $duration >= COMPLETE_THRESHOLD) ? 1 : 0;
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$db = db();
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$stmt = $db->prepare(
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'INSERT INTO video_progress (user_id, video_id, position_seconds, duration_seconds, completed)
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VALUES (?, ?, ?, ?, ?)
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ON DUPLICATE KEY UPDATE
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position_seconds = VALUES(position_seconds),
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duration_seconds = VALUES(duration_seconds),
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completed = GREATEST(completed, VALUES(completed))' // once complete, stays complete
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);
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$stmt->execute([$userId, $videoId, $position, $duration > 0 ? $duration : null, $completed]);
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// Cache the duration on the video row so listings can show it without ffprobe.
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if ($duration > 0) {
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$db->prepare('UPDATE videos SET duration_seconds = ? WHERE id = ? AND duration_seconds IS NULL')
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->execute([$duration, $videoId]);
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}
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echo json_encode(['ok' => true, 'completed' => (bool)$completed]);
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