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enroll_course.php
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<?php
session_start();
include("connection.php");
include("student_function.php");
$s_data = check_s_login($con);
?>
<!DOCTYPE html>
<html>
<head>
<title>E_Learning | Course Enroll</title>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<!-- CSS only -->
<link href="https://cdn.jsdelivr.net/npm/[email protected]/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-+0n0xVW2eSR5OomGNYDnhzAbDsOXxcvSN1TPprVMTNDbiYZCxYbOOl7+AMvyTG2x" crossorigin="anonymous">
<style>
body{
background: #2E4053;
color: white;
}
.forp{
align-content: center;
margin-top: 70px;
margin-left: 70px;
margin-right: 70px;
}
.b{
color: #DE3163;
margin-top: 10px;
font-style: italic;
}
</style>
</head>
<body>
<nav class="navbar navbar-expand-lg navbar-dark bg-dark">
<div class="container-fluid">
<nav class="navbar navbar-expand-lg navbar-dark bg-dark">
<div class="container-fluid">
<a style="color: white; font-style: bold;" class="navbar-brand" href="course_dashboard.php"><big><h1 align=center>Course Enrollment</h1></big></a>
<a class="nav-link active" aria-current="page" href="#"> </a>
<a class="nav-link active" aria-current="page" href="#"> </a>
<a class="nav-link active" aria-current="page" href="#"> </a>
<a class="nav-link active" aria-current="page" href="#"> </a>
<a class="nav-link active" aria-current="page" href="#"> </a>
<a class="nav-link active" aria-current="page" href="#"> </a>
<a class="nav-link active" aria-current="page" href="#"> </a>
<a class="nav-link active" aria-current="page" href="#"> </a>
<a class="nav-link active" aria-current="page" href="#"> </a>
<a class="nav-link active" aria-current="page" href="#"> </a>
<a class="nav-link active" aria-current="page" href="#"> </a>
<a class="nav-link active" aria-current="page" href="#"> </a>
<a class="nav-link active" aria-current="page" href="#"> </a>
<button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
<span class="navbar-toggler-icon"></span>
</button>
<div class="collapse navbar-collapse" id="navbarSupportedContent">
<ul class="navbar-nav me-auto mb-2 mb-lg-0">
<li class="nav-item">
<a style="float: left; margin-left: 350px ; " class="nav-link active" aria-current="page" tabindex="-1" href="index.php">Home</a>
</li>
<li class="nav-item">
<a style="float: right;" class="nav-link active" aria-current="page" href="student_logout.php">Log-out</a>
</li>
<li class="nav-item">
<a class="nav-link active" aria-current="page" href="#"> </a>
</li>
<li class="nav-item">
<a class="nav-link active" aria-current="page" href="#"> </a>
</li>
</ul>
</div>
</div>
</nav>
</div>
</nav>
<h3 class="b" align="center">Please Enter the following information of your course<br> & <br>Click on the "Submit" button to enroll the course:</h3>
<form class = "forp" method="post">
<div class="mb-3">
<label for="cc" class="form-label">Course Code</label>
<input type="text" class="form-control" id="cc" aria-describedby="cc" name="cc" required>
</div>
<div class="mb-3">
<label for="tid" class="form-label">Transaction Id</label>
<input type="text" class="form-control" id="tid" name="tid" required>
</div>
<div>
<?php
if($_SERVER['REQUEST_METHOD'] == "POST")
{
//STUDENT ID in id
$id = $s_data['STUDENT_ID'];
$cc = $_POST['cc'];
// $tid = $_POST['tid'];
if(!empty($cc))
{
//
$pay_query = "SELECT `COURSE_ID`,`COURSE_PRICE` FROM `course` WHERE `COURSE_CODE` = '$cc' limit 1";
$pay_result = mysqli_query($con, $pay_query);
if(mysqli_num_rows($pay_result)>0)
{
$course = mysqli_fetch_assoc($pay_result);
$c_id = $course['COURSE_ID'];
$query = "SELECT * FROM `payment` WHERE `STUDENT_ID`= '$id' AND `COURSE_ID`='$c_id'";
$result = mysqli_query($con, $query);
if(mysqli_num_rows($result) < 1)
{
//Storing payment information
$query = "INSERT INTO `payment`(`STUDENT_ID`,`COURSE_ID`) VALUES ('$id','$c_id')";
mysqli_query($con, $query);
//Geting payment information
$query = "SELECT * FROM `payment` WHERE `STUDENT_ID`= '$id' AND `COURSE_ID`='$c_id' limit 1";
$result = mysqli_query($con, $query);
$pay_info = mysqli_fetch_assoc($result);
$p_id = $pay_info['PAYMENT_ID'];
//Storing enrollment information
$query = "INSERT INTO `enroll`(`STUDENT_ID`,`COURSE_ID`,`PAYMENT_ID`) VALUES ('$id','$c_id','$p_id')";
mysqli_query($con, $query);
header("Location: student_home.php");
die();
}
else
{
echo "<p>Already enrolled</p>";
}
}
else
{
echo "<p>Enter valid input</p>";
}
}
else
{
echo "<p>Fill with valid information</p>";
}
}
?>
</div>
<input class="btn btn-primary" type="submit">
</form>
<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/js/bootstrap.bundle.min.js" integrity="sha384-gtEjrD/SeCtmISkJkNUaaKMoLD0//ElJ19smozuHV6z3Iehds+3Ulb9Bn9Plx0x4" crossorigin="anonymous"></script>
<div class="footer">
<!-- <h4>©E_Learning Officials 2021</h4> -->
</div>
</body>
</html>