Library_Management_System/return_book.php at main · FAHIM2031/Library_Management_System · GitHub

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<?php
$conn = mysqli_connect("localhost","root","","project");
if (!$conn) {
    die("Connection failed: " . mysqli_connect_error());
}
$g=$_GET['cid'];
$query="select * from issue_books where issue_id='$g'";
$result=mysqli_query($conn,$query);
$row=mysqli_fetch_assoc($result);
$due_date=$row['due_date'];
$currentDate = date('Y-m-d');

$buk_id=$row['b_id'];

$due_date_time=new DateTime($due_date);
$currentDate_time=new DateTime($currentDate);

$fine_per_day=1.5;

$interval = $due_date_time->diff($currentDate_time);
$days_late = $interval->format('%r%a');
?>
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Library Book Management System</title>
    <style>
        * {
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }

        body {
            background-color: #f5f5f5;
            margin: 0;
            padding: 20px;
            color: #333;
        }

        .header {
            text-align: center;
            margin-bottom: 30px;
        }

        .header h1 {
            color: #2c3e50;
            font-size: 28px;
            margin-bottom: 5px;
        }

        .container {
            display: flex;
            flex-wrap: wrap;
            gap: 30px;
            justify-content: center;
        }

        .section {
            background-color: white;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            padding: 25px;
            width: 100%;
            max-width: 500px;
        }

        .section-title {
            font-size: 20px;
            color: #3498db;
            margin-top: 0;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 1px solid #eee;
        }

        .form-group {
            margin-bottom: 20px;
        }

        label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color:white;
        }

        input[type="text"],
        input[type="date"] {
            width: 100%;
            padding: 12px;
            border: 1px solid #ddd;
            border-radius: 4px;
            font-size: 16px;
            transition: border 0.3s;
        }

        input[type="text"]:focus,
        input[type="date"]:focus {
            border-color: #3498db;
            outline: none;
        }

        .book-info {
            background-color: #f9f9f9;
            padding: 15px;
            border-radius: 4px;
            margin-bottom: 20px;
            border-left: 4px solid #3498db;
        }

        .book-title {
            font-weight: bold;
            font-size: 18px;
            margin-bottom: 5px;
        }

        .btn {
            background-color: #3498db;
            color: white;
            border: none;
            padding: 12px 20px;
            border-radius: 4px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            width: 100%;
            transition: background-color 0.3s;
        }

        .btn:hover {
            background-color: #2980b9;
        }

        .time-display {
            text-align: center;
            margin-top: 30px;
            color: #777;
            font-size: 14px;
        }
    </style>
</head>
<body style="background-color:rgb(216, 232, 248) ">
    <br><br>
    <div class="header">
        <h1>Library Book Management System</h1>
    </div>

    <div class="container" style="color:white">


        <div class="section" style="background-color:rgb(130, 163, 188) ">
            <h2 class="section-title" style="color: white;">Return Book Details</h2>

            <div class="form-group">
                <label for="issueBookId">Book ID: </label>
                <input type="text" id="issueBookId" placeholder="Enter Book ID" value="<?php echo $row['b_id'] ?>" readonly>
            </div>

            <div class="form-group">
                <label for="studentId">Student ID: </label>
                <input type="text" id="studentId" placeholder="Enter Student ID" value="<?php echo $row['s_id'] ?>" readonly>
            </div>
            <div class="form-group">
                <label for="studentId">Issue Date </label>
                <input type="text" id="studentId" placeholder="Enter Issue Date" value="<?php echo $row['issue_date'] ?>" readonly>
            </div>
            <div class="form-group">
                <label for="studentId">Due Date </label>
                <input type="text" id="studentId" placeholder="Enter Due Date" value="<?php echo $row['due_date'] ?>" readonly>
            </div>
            <div class="form-group">
                <label for="studentId">Return Date</label>
                <input type="text" id="studentId" placeholder="Enter Return Date"value="<?php echo $currentDate ?>">
            </div>
            <?php
            if ($days_late > 0) {
    $fine = $days_late * $fine_per_day;
    echo "Book is $days_late days late. Fine: $fine Taka";
} else {
    echo "No fine. Book returned on time or early.";
}
            ?>

            <br><br>
            <div style="height: 15px;"><a href="return_book_h.php?n_id=<?php echo $g; ?>" style="color: #2c3e50;text-decoration: none;"><b>Return Book</b></a></div>
        </div>
    </div>


</body>
</html>