Sindbad~EG File Manager

<?php
require_once '../config/config.php';

header('Content-Type: application/json');

$db = Database::getInstance()->getConnection();

try {
    $eventId = $_GET['event_id'] ?? null;
    $lastId = $_GET['last_id'] ?? 0;
    
    if (!$eventId) {
        throw new Exception('Event ID is required');
    }
    
    // Get attendance records newer than lastId
    $stmt = $db->prepare("
        SELECT 
            ea.*,
            m.membershipcard_id,
            m.phone as member_phone,
            m.email as member_email
        FROM event_attendance ea
        LEFT JOIN members m ON ea.member_id = m.id
        WHERE ea.event_id = :event_id 
        AND ea.id > :last_id
        ORDER BY ea.check_in_time DESC
        LIMIT 50
    ");
    
    $stmt->execute([
        'event_id' => $eventId,
        'last_id' => $lastId
    ]);
    
    $newAttendance = $stmt->fetchAll(PDO::FETCH_ASSOC);
    
    // Get total count
    $countStmt = $db->prepare("SELECT COUNT(*) as total FROM event_attendance WHERE event_id = :event_id");
    $countStmt->execute(['event_id' => $eventId]);
    $count = $countStmt->fetch();
    
    // Get latest 20 for display
    $recentStmt = $db->prepare("
        SELECT 
            ea.*,
            m.membershipcard_id,
            m.phone as member_phone,
            m.email as member_email
        FROM event_attendance ea
        LEFT JOIN members m ON ea.member_id = m.id
        WHERE ea.event_id = :event_id
        ORDER BY ea.check_in_time DESC
        LIMIT 20
    ");
    
    $recentStmt->execute(['event_id' => $eventId]);
    $recentAttendance = $recentStmt->fetchAll(PDO::FETCH_ASSOC);
    
    echo json_encode([
        'success' => true,
        'new_attendance' => $newAttendance,
        'recent_attendance' => $recentAttendance,
        'total_count' => $count['total'],
        'last_id' => !empty($recentAttendance) ? $recentAttendance[0]['id'] : $lastId
    ]);
    
} catch (Exception $e) {
    echo json_encode([
        'success' => false,
        'message' => $e->getMessage()
    ]);
}
?>