SWEN-Project/Student_remove.html at main · E2co/SWEN-Project · GitHub

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<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Remove Student</title>
    <link rel="icon" type="image/x-icon" href="">
    <link rel="stylesheet" href="Student_remove.css">
</head>

<body>
    <header>
        <div class="logo">
            <img src="logo-.png" alt="school-logo">
        </div>
        <nav class="navbar">
            <button type="button" class="logout-button" onclick="window.history.back();">Back</button>
        </nav>
    </header>

    <div class="select-container">
        <h2 class="title">Remove Student</h2>
        <form id="removeStudentForm">
            <input type="text" id="student_id" name="student_id" placeholder="Student ID Number" class="search-field" required>
            <button type="submit">Submit</button>
        </form>
        <div id="resultMessage"></div>
    </div>

<script>
    document.getElementById('removeStudentForm').addEventListener('submit', function(event) {
        event.preventDefault();
        const studentId = document.getElementById('student_id').value;
        const resultMessage = document.getElementById('resultMessage');

        const xhr = new XMLHttpRequest();
        xhr.open('POST', 'Student_remove.php', true);
        xhr.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');

        xhr.onload = function() {
            if (xhr.status === 200) {
                try {
                    const response = JSON.parse(xhr.responseText);
                    if (response.status === 'success') {
                        resultMessage.innerHTML = `<p style="color: green;">${response.message}</p>`;
                        document.getElementById('student_id').value = '';
                    } else {
                        resultMessage.innerHTML = `<p style="color: red;">${response.message}</p>`;
                    }
                } catch (e) {
                    resultMessage.innerHTML = '<p style="color: red;">Error parsing server response</p>';
                }
            } else {
                resultMessage.innerHTML = '<p style="color: red;">Error removing student</p>';
            }
        };

        xhr.onerror = function() {
            resultMessage.innerHTML = '<p style="color: red;">Network error. Please check your connection.</p>';
        };

        xhr.send(`student_id=${studentId}`);
    });
</script>
</body>

</html>