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check-dues.php
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<!DOCTYPE html>
<html lang="en">
<head>
<title>Library</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="assets/css/bootstrap.min.css">
<link rel="stylesheet" href="assets/css/style1.css">
<script src="assets/js/bootstrap.min.js"></script>
<script src="assets/js/jquery-3.2.1.min.js"></script>
</head>
<script>
function checkduespay(fine,card,loanid)
{
var p = confirm("Are you sure you want to Check in and Pay fine of "+fine+"$ for the Card ID "+card+" ?");
if(p==true)
{
var xmlhttp="";
if (window.XMLHttpRequest)
{
xmlhttp=new XMLHttpRequest();
}
else
{
xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
}
xmlhttp.onreadystatechange=function()
{
if (xmlhttp.readyState==4 && xmlhttp.status==200)
{
confirm(xmlhttp.responseText);
}
}
xmlhttp.open("GET","check_dues_query.php?loan_id="+loanid,true);
xmlhttp.send();
}
}
</script>
<div class="container-fluid">
<div class="row title-row">
<div class="col-md-12">
<p class="page-title">My Library</p>
</div>
</div>
</div>
<div class="row">
<div class="col-md-12">
<nav class="navbar navbar-default">
<div class="container-fluid">
<ul class="nav navbar-nav">
<li><a href="index.php">Home</a></li>
<li class="active"><a href="check-dues.php">Check For Dues</a></li> <!-- Add page link in href -->
<!--- <li><a href="book-issue.php">Issue a book</a></li> -->
<li><a href="checkin.php">Checkin a book</a></li>
<li><a href="newborrower.php">Register new borrower</a></li>
</ul>
</div>
</nav>
<div class="row content-row">
<div class="col-md-12">
<p class="content-title">Check If You Have Any Dues</p>
</div>
<div class="col-md-12">
<form method="post" class="dues">
<p align="center">
<label>Enter your Card ID: </label>
<input type="text" name="id">
<input type="submit" name="search" value="Check"></p>
<p align="center">
<input type="submit" name="fine-update" value="Update Fines"></p>
</form>
</div>
<?php
include 'assets/connect.php';
if(isset($_POST['fine-update']))
{
$l='';
$d='';
$sql1 = "select loan_id,due_date from book_loans where due_date<curdate() and date_in is null";
$result1 = mysqli_query($db,$sql1);
if ($result1->num_rows > 0)
{
while($row1 = $result1->fetch_assoc())
{
$l=$row1['loan_id'];
$d=$row1['due_date'];
$sql2 = "select loan_id from fines where loan_id=$l and paid=0";
$result2 = mysqli_query($db,$sql2);
if($result2->num_rows > 0)
{
$sql4="update fines set fine_amt=((SELECT DATEDIFF(curdate(),'$d'))*0.25) where loan_id=$l";
$res4 = mysqli_query($db,$sql4);
if($res4)
{
echo "Update Successfull.";
}
}
else
{
$sql3="insert into fines values($l,((SELECT DATEDIFF(curdate(),'$d'))*0.25),FALSE)";
$res3 = mysqli_query($db,$sql3);
if($res3)
{
echo "Insert Update Successfull.";
}
}
}
}
}
if(isset($_POST['search']))
{
$cardno = $_POST['id'];
if(!empty($_POST['id']))
{
echo "<div class=\"col-md-12 search-res\">
<table id=\"showhide\" style=\"table-layout:fixed;\">
<thead>
<tr>
<th>LOAN ID</th>
<th>CARD ID</th>
<th>ISBN</th>
<th>FINE AMOUNT</th>
<th>PAY FINE</th>
</tr>
</thead>";
echo "<tbody>";
$sql44 = "select * from book_loans INNER JOIN fines on book_loans.loan_id = fines.loan_id and book_loans.card_id='$cardno'
AND book_loans.date_in is null";
$res44 = mysqli_query($db,$sql44);
if($res44)
{
while($row44 = mysqli_fetch_array($res44))
{
echo "<tr>";
echo "<td>" . $row44['loan_id'] . "</td>";
echo "<td>" . $row44['card_id'] . "</td>";
echo "<td>" . $row44['isbn'] . "</td>";
echo "<td>" . $row44['fine_amt'] . "</td>";
if($row44['fine_amt'] > 0)
{
echo "<td> <input type='button' name='payb' value='Pay' onclick=checkduespay('$row44[fine_amt]','$cardno','$row44[loan_id]'); ></td>";
}
echo "</tr>";
}
}
}
$sql11="select sum(fine_amt) from fines natural join book_loans where card_id='$cardno' and paid=0 group by card_id";
$result11 = mysqli_query($db,$sql11);
$row11 = $result11->fetch_assoc();
$i11 = $row11['sum(fine_amt)'];
if($i11>0)
echo "<div align='center' style ='font:30px/21px Arial,tahoma,sans-serif;color:#ff0000'>Total due = $i11 $.</div>";
else
echo "<div align='center' style ='font:30px/21px Arial,tahoma,sans-serif;color:#ff0000'>No Dues!!!</div>";
}
?>
<div class"col-md-12">
</div>
</div>
</div>
</div>
</body>
</html>