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Current Path : /var/www/html/venkat/aviral/aviral/
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Current File : //var/www/html/venkat/aviral/aviral/reg_submit.php

<?php
include('db1.php');
include('session.php');
?>
<head>
	<link rel="stylesheet" href="styles.css">
</head>
<center>

<?php
$id = addslashes($_SESSION['key']);
$_backButton = '<div class="container"><form action="register.php"><button type="submit">Go Back</button></form></div>';

if (!isset($_POST['sel'])) {
    echo '<h4>No choices selected.</h4>';
    echo $_backButton;
    exit;
}

$courses = $_POST['sel'];
$totalcredits = 0;

// print_r($courses);

foreach ($courses as $courseid) {
	$id = addslashes($_SESSION['key']);
	$q = $conn->prepare("select course_id from aviral_registered where student_id = :id");
	$q->bindValue(":id", $id);
	$q->execute();

	$flag = 0;

	while ($row = $q->fetch(PDO::FETCH_ASSOC)) {
		$course_id = $row['course_id'];
		//if (in_array($course_id, $courses)) {A
		if ($course_id == $courseid) {
			$flag = 1;
		}
		$qi = $conn->prepare("select * from aviral_courses where id = :courseid");
		$qi->bindValue(":courseid", $courseid);
		$qi->execute();
		$course = $qi->fetch(PDO::FETCH_ASSOC);

		if (!$course) {
			echo 'ERR: Course id ' . $courseid . ' not found. Please report this to the developer.';
			die();
		} else {
			$course_code = $course['course_code'];
			$course_name = $course['course_name'];
			$semester = $course['semester'];
			$L = $course['L'];
			$T = $course['T'];
			$P = $course['P'];

			$total_credits += ($L + $T + $P); 
		}
	}
	$qi = $conn->prepare("select * from aviral_courses where id = :courseid");
	$qi->bindValue(":courseid", $courseid);
	$qi->execute();
	$course = $qi->fetch(PDO::FETCH_ASSOC);

	if (!$course) {
		echo 'ERR: Course id ' . $courseid . ' not found. Please report this to the developer.';
		die();
	} else {
		$course_code = $course['course_code'];
		$course_name = $course['course_name'];
		$semester = $course['semester'];
		$L = $course['L'];
		$T = $course['T'];
		$P = $course['P'];

		if (($L + $T + $P + $totalcredits) < 12) {
			if ($flag === 1) {
				echo 'Already registered course: ' . $course_name . '<br>';
				$flag = 0;
				continue;
			}
			$qi = $conn->prepare("insert into aviral_registered (student_id, course_id) values (:id, :courseid)");
			$qi->bindValue(":id", $id);
			$qi->bindValue(":courseid", $courseid);
			$qi->execute();
			if ($qi->rowCount() == -1) {
				echo 'ERR: Unable to add course: ' . $courseid . '!<br>';
			} else {
				echo 'Registered course: ' . $course_name . '<br>';
			}
			$totalcredits += ($L + $T + $P);
		} else {
			echo 'Unable to add course: ' . $course_name . ' due to excess credits. Consider removing a course to add this course.';
		}
	}
}

echo $_backButton;
?>