43 lines
1.6 KiB
PHP
43 lines
1.6 KiB
PHP
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<?php
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include('includes/header.php');
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if ($_SERVER['REQUEST_METHOD'] == 'POST') {
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$student_id = $studentInfos['data']['id'];
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$courses = [
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'di_vo' => validate($_POST['di_vo']),
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'di_na' => validate($_POST['di_na']),
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'do_vo' => validate($_POST['do_vo']),
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'do_na' => validate($_POST['do_na'])
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];
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// Löschen aller vorhandenen Kursanmeldungen für diesen Schüler
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$deleteQuery = "DELETE FROM tbl_assign_students_courses WHERE student_id = '$student_id'";
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mysqli_query($conn, $deleteQuery);
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// Einfügen der neuen Kursanmeldungen, nur wenn genügend Platz vorhanden ist
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foreach ($courses as $course_id) {
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if (!empty($course_id)) {
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// Überprüfen, ob der Kurs noch Platz hat
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$checkQuery = "SELECT COUNT(ascs.course_id) as current_students, c.maxstudents
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FROM tbl_courses c
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LEFT JOIN tbl_assign_students_courses ascs ON c.id = ascs.course_id
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WHERE c.id = '$course_id'
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GROUP BY c.id";
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$result = mysqli_query($conn, $checkQuery);
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$row = mysqli_fetch_assoc($result);
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if ($row && $row['current_students'] < $row['maxstudents']) {
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// Wenn der Kurs Platz hat, speichern
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$insertQuery = "INSERT INTO tbl_assign_students_courses (student_id, course_id, status)
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VALUES ('$student_id', '$course_id', 'Ausgewählt')";
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mysqli_query($conn, $insertQuery);
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}
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}
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}
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// Weiterleitung nach register.php
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header("Location: register.php");
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exit();
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}
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?>
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