WebProject/purchaseBook.php at main · sanaelsayedd/WebProject · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
<?php
session_start();

// Check if the user is logged in
$is_logged_in = isset($_SESSION['username']);
$userType = $is_logged_in ? $_SESSION['userType'] : null;


if (!$is_logged_in) {
    header("Location: login.php");
    exit();
}

// Handle logout
if (isset($_GET['logout'])) {
    session_unset();
    session_destroy();
    header("Location: index.php");
    exit();
}


$servername = "localhost";
$username = "root";
$password = "";
$database = "library";

$conn = new mysqli($servername, $username, $password, $database);

if ($conn->connect_error) {
    die("Connection failed: " . $conn->connect_error);
}

// Fetch book details
$book = null;
if (isset($_GET['BookID']) && is_numeric($_GET['BookID'])) {
    $bookID = $_GET['BookID'];

    $query = "SELECT * FROM book WHERE BookID = ?";
    $stmt = $conn->prepare($query);

    if ($stmt === false) {
        die('MySQL prepare error: ' . $conn->error);
    }

    $stmt->bind_param("i", $bookID);
    $stmt->execute();
    $result = $stmt->get_result();

    if ($result->num_rows > 0) {
        $book = $result->fetch_assoc();
    }
}
?>

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Purchase Book</title>
    <link rel="stylesheet" href="css/purchaseBookStyle.css">
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.7.1/css/all.min.css">

</head>
<body>
<header class="header">
    <div class="logo">
        <a href="index.php"><i class="fa-solid fa-book"></i> Knowledge Nest</a>
    </div>
    <nav class="nav-bar">
        <ul class="nav__links">
            <li><a href="index.php">Home</a></li>
            <li><a href="#CSection">Contact</a></li>
            <li><a href="books.php">Books</a></li>
            <?php if ($is_logged_in): ?>
                <?php if ($userType === 'user'): ?>
                    <li><a href="myAccount.php">My Account</a></li>
                <?php elseif ($userType === 'admin'): ?>
                    <li><a href="dashboard.php">Admin Dashboard</a></li>
                <?php endif; ?>
            <?php endif; ?>
        </ul>
    </nav>
    <div class="login">
        <?php if ($is_logged_in): ?>
            <form method="GET" action="index.php">
                <button type="submit" name="logout">
                    <i class="fa-solid fa-sign-out-alt"></i><b class="logout-text">Logout</b>
                </button>
            </form>
        <?php else: ?>
            <a href="login.php" class="login-icon">
                <button><i class="fa-solid fa-user"></i><b class="login-text">Login</b></button>
            </a>
        <?php endif; ?>
    </div>
</header>

<main>
    <div class="book-container">
        <?php if ($book): ?>
            <h3 class="book-title"><?php echo htmlspecialchars($book['Title']); ?></h3>
            <p class="book-info">Price: $<span id="book-price"><?php echo htmlspecialchars($book['Price']); ?></span></p>
            <p class="book-info">Available Quantity: <?php echo htmlspecialchars($book['Quantity']); ?></p>

            <form id="purchase-form" action="confirmPurchase.php" method="POST">
                <div class="form-group">
                    <label for="quantity" class="form-label">Select Quantity</label>
                    <input type="number" class="form-control" id="quantity" name="quantity" value="1" min="1" max="<?php echo htmlspecialchars($book['Quantity']); ?>" required>
                </div>
                <p class="total-price">Total Price: $<span id="total-price"><?php echo htmlspecialchars($book['Price']); ?></span></p>

                <input type="hidden" name="BookID" value="<?php echo htmlspecialchars($bookID); ?>">
                <input type="hidden" name="Price" value="<?php echo htmlspecialchars($book['Price']); ?>">

                <button type="submit" class="btn-purchase">Confirm Purchase</button>
            </form>
        <?php else: ?>
            <p class="book-info text-center">Book not found!</p>
        <?php endif; ?>
    </div>
    <div class="dashboard-container">
<a href="javascript:history.back()" class="back-button" >
                        <i class="fa-solid fa-arrow-left"></i> Back
                    </a>
</main>

<script>
    document.addEventListener('DOMContentLoaded', () => {
        const price = parseFloat(document.getElementById('book-price').textContent);
        const quantityInput = document.getElementById('quantity');
        const totalPriceElement = document.getElementById('total-price');

        quantityInput.addEventListener('input', () => {
            const quantity = parseInt(quantityInput.value) || 1;
            const totalPrice = (price * quantity).toFixed(2);
            totalPriceElement.textContent = totalPrice;
        });
    });
</script>

</body>
</html>

<?php
$conn->close();
?>