WebProject/BookDetails.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
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
<?php
session_start();

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

// Database connection
$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 if BookID is provided
if (isset($_GET['BookID']) && is_numeric($_GET['BookID'])) {
    $bookID = $_GET['BookID'];

    // Fetch book details first
    $query = "SELECT * FROM book WHERE BookID = ?";
    $stmt = $conn->prepare($query);
    $result = null;

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

    if ($result && $result->num_rows > 0) {
        $row = $result->fetch_assoc();
        $is_available = $row['Quantity'] > 0;

        // Check if the user already has the book
        $hasBook = false;
        if ($is_logged_in) {
            $checkBookQuery = "SELECT COUNT(*) as count FROM (
                SELECT b.BookID
                FROM borrow b
                JOIN user u ON b.UserID = u.UserID
                WHERE b.BookID = ? AND u.UserName = ? AND (b.ReturnDate IS NULL OR b.ReturnDate > NOW())
                UNION
                SELECT pt.BookID
                FROM purchase_transaction pt
                JOIN user u ON pt.UserID = u.UserID
                WHERE pt.BookID = ? AND u.UserName = ?
            ) AS combined";

            $stmt = $conn->prepare($checkBookQuery);
            if ($stmt) {
                $stmt->bind_param("isis", $bookID, $userName, $bookID, $userName);
                $stmt->execute();
                $checkResult = $stmt->get_result();
                if ($checkRow = $checkResult->fetch_assoc()) {
                    $hasBook = $checkRow['count'] > 0;
                }
                $stmt->close();
            }
        }
?>

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Book Details</title>

    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.7.1/css/all.min.css" integrity="sha512-5Hs3dF2AEPkpNAR7UiOHba+lRSJNeM2ECkwxUIxC1Q/FLycGTbNapWXB4tP889k5T5Ju8fs4b1P5z/iB4nMfSQ==" crossorigin="anonymous" referrerpolicy="no-referrer" />
    <link rel="stylesheet" href="css/BookDetailsStyle.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-details-card">
        <div class="book-image">
            <img src="<?= $row['ImagePath'] ?? 'css/Image/Book2.jpg' ?>" alt="Book Cover">
        </div>
        <div class="book-info">
            <h1 class="book-title"><?= $row['Title'] ?></h1>
            <p><strong>Author:</strong> <?= $row['Author'] ?></p>
            <p><strong>Edition:</strong> <?= $row['Edition'] ?></p>
            <p><strong>Category:</strong> <?= $row['Category'] ?></p>
            <p><strong>Price:</strong> $<?= $row['Price'] ?></p>
            <p><strong>Description:</strong> <?= $row['Description'] ?></p>
            <p><strong>Quantity Available:</strong> <?= $row['Quantity'] ?></p>
            <div class="action-buttons">
                <?php if ($hasBook): ?>

                    <button class="account-btn" onclick="window.location.href='myAccount.php'">View in My Account</button>
                    <button class="account-btn" onclick="window.location.href='books.php'">Find Other Books</button>
                    <p style="color: #e6b17e; margin-bottom: 10px; display: block;">You already have this book.</p>
                <?php elseif ($is_available): ?>
                    <?php if ($userType === 'admin'): ?>
                        <button class="purchase-btn" onclick="window.location.href='Purchase.php?BookID=<?= $row['BookID'] ?>&admin=true'">Purchase</button>
                        <button class="borrow-btn" onclick="window.location.href='borrowBook.php?BookID=<?= $row['BookID'] ?>'">Borrow</button>
                    <?php elseif ($userType === 'user'): ?>
                        <button class="purchase-btn" onclick="window.location.href='purchaseBook.php?BookID=<?= $row['BookID'] ?>'">Purchase</button>
                        <button class="borrow-btn" onclick="window.location.href='BorrowDetails.php?BookID=<?= $bookID ?>&Title=<?= urlencode($row['Title']) ?>&UserName=<?= urlencode($userName) ?>&StartDate=<?= date('Y-m-d') ?>&ReturnDate=<?= date('Y-m-d', strtotime('+20 days')) ?>'">Borrow</button>
                    <?php endif; ?>
                <?php else: ?>
                    <button class="purchase-btn" style="background-color: #ff4444;" disabled>Out of Stock</button>
                <?php endif; ?>
            </div>
        </header>


<?php
    } else {
        echo "<p>Book not found!</p>";
    }
} else {
    echo "<p>Invalid Book ID!</p>";
}

$conn->close();
?>