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users.php
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<?php
session_start();
if (!isset($_SESSION['user_type'])) {
header('location: login.php');
}
require_once('includes/showMessage.php');
require 'includes/functions.php';
displaySessionMessage();
?>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Managing Users</title>
<link rel="stylesheet" href="css/style.css" />
<!-- Fontawesome CDN Link -->
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css">
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.2.1/css/all.min.css" />
</head>
<body>
<?php include('includes/admin-nav.php'); ?>
<div class="container mt-5" style="max-width: 1024px;
margin-left: 275px;">
<h2>Admins</h2>
<table class="table table-striped">
<thead class="table-dark">
<tr>
<th >Name</th>
<th>Email</th>
<th class="text-center">Actions</th>
</tr>
</thead>
<tbody>
<?php
include("connection.php");
// user deletion code
if (isset($_POST["confirm_delete_user"])) {
$deleteUserEmail = $_POST["delete_user_email"];
// Initialize the user type variable
$userType = '';
// Define the SQL queries to check which table the email exists in
$checkAdminSql = "SELECT * FROM admin WHERE email = '$deleteUserEmail'";
$checkCustomerSql = "SELECT * FROM customer WHERE email = '$deleteUserEmail'";
$checkAirlineSql = "SELECT * FROM airline WHERE email = '$deleteUserEmail'";
// Check if the email exists in the admin table
$resultAdmin = $con->query($checkAdminSql);
if ($resultAdmin->num_rows > 0) {
$userType = 'admin';
// Check the total number of admins in the database
$totalAdminSql = "SELECT COUNT(*) AS admin_count FROM admin";
$resultTotalAdmin = $con->query($totalAdminSql);
if ($resultTotalAdmin->fetch_assoc()['admin_count'] <= 1) {
setSessionMessage("At least one admin required");
header('location: users.php');
exit;
}
}
// Check if the email exists in the customer table
$resultCustomer = $con->query($checkCustomerSql);
if ($resultCustomer->num_rows > 0) {
$userType = 'customer';
}
// Check if the email exists in the airline table
$resultAirline = $con->query($checkAirlineSql);
if ($resultAirline->num_rows > 0) {
$userType = 'airline';
}
// If the user type is identified, proceed with deletion
if (!empty($userType)) {
// Define the SQL query based on the user type
$deleteSql = "DELETE FROM $userType WHERE email = '$deleteUserEmail'";
// Execute the SQL query
if ($con->query($deleteSql) === TRUE) {
setSessionMessage("User deleted successfully");
} else {
setSessionMessage("Error deleting user: " . $con->error, "error");
}
} else {
setSessionMessage("User not found", "error");
}
// Redirect to the current page to refresh the user list
header('location: users.php');
}
// Displaying users from admin table
$sqlAdmins = "SELECT * FROM admin";
$resultAdmins = $con->query($sqlAdmins);
while ($rowAdmin = $resultAdmins->fetch_assoc()) {
echo "<tr>";
echo "<td class='text-wrap'>" . $rowAdmin["admin_name"] . "</td>";
echo "<td class='text-wrap'>" . $rowAdmin["email"] . "</td>";
echo "<td class='text-center' class='text-wrap'>";
echo "<button class='btn btn-danger btn-sm delete-user' data-email='" . $rowAdmin["email"] . "' data-toggle='modal' data-target='#deleteUserModal'>Delete</button>";
echo "</td>";
echo "</tr>";
}
?>
</tbody>
</table>
<!-- Delete User Form -->
<form action="" method="POST">
<input type="hidden" name="delete_user_email" id="delete_user_email" value="">
<div class="modal fade" id="deleteUserModal" tabindex="-1" role="dialog"
aria-labelledby="deleteUserModalLabel" aria-hidden="true">
<div class="modal-dialog" role="document">
<div class="modal-content">
<div class="modal-header">
<h5 class="modal-title" id="deleteUserModalLabel">Confirm Delete</h5>
<button type="button" class="close" data-dismiss="modal" aria-label="Close">
<span aria-hidden="true">×</span>
</button>
</div>
<div class="modal-body">
Are you sure you want to delete this admin?
</div>
<div class="modal-footer">
<button type="button" class="btn btn-secondary" data-dismiss="modal">Cancel</button>
<button type="submit" class="btn btn-danger" name="confirm_delete_user">Delete</button>
</div>
</div>
</div>
</div>
</form>
</div>
<div class="container mt-5" style=" max-width: 1024px;
margin-left: 275px;">
<h2>Customers</h2>
<table class="table table-striped">
<thead class="table-dark">
<tr>
<th>Name</th>
<th>Email</th>
<th class="text-center">Actions</th>
</tr>
</thead>
<tbody>
<?php
// Displaying users from customer table
$sqlCustomers = "SELECT * FROM customer";
$resultCustomers = $con->query($sqlCustomers);
while ($rowCustomer = $resultCustomers->fetch_assoc()) {
echo "<tr>";
echo "<td class='text-wrap'>" . $rowCustomer["customer_name"] . "</td>";
echo "<td class='text-wrap'>" . $rowCustomer["email"] . "</td>";
echo "<td class='text-center' class='text-wrap'>";
echo "<button class='btn btn-danger btn-sm delete-user' data-email='" . $rowCustomer["email"] . "' data-toggle='modal' data-target='#deleteUserModal'>Delete</button>";
echo "</td>";
echo "</tr>";
}
?>
</tbody>
</table>
</div>
<div class="container mt-5" style="max-width:1024px;
margin-left: 275px;";
<h2>Airlines</h2>
<table class="table table-striped">
<thead class="table-dark">
<tr>
<th>Name</th>
<th>Email</th>
<th class="text-center">Actions</th>
</tr>
</thead>
<tbody>
<?php
// Displaying users from airline table
$sqlAirlines = "SELECT * FROM airline";
$resultAirlines = $con->query($sqlAirlines);
while ($rowAirline = $resultAirlines->fetch_assoc()) {
echo "<tr>";
echo "<td class='text-wrap'>" . $rowAirline["airline_name"] . "</td>";
echo "<td class='text-wrap'>" . $rowAirline["email"] . "</td>";
echo "<td class='text-center' class='text-wrap'>";
echo "<button class='btn btn-danger btn-sm delete-user' data-email='" . $rowAirline["email"] . "' data-toggle='modal' data-target='#deleteUserModal'>Delete</button>";
echo "</td>";
echo "</tr>";
}
?>
</tbody>
</table>
</div>
<!-- Bootstrap and jQuery Scripts -->
<script src="https://code.jquery.com/jquery-3.5.1.slim.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/@popperjs/core@1.16.1/dist/umd/popper.min.js"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.5.2/js/bootstrap.min.js"></script>
<!-- JavaScript to handle modals -->
<script>
// Click event handler for delete buttons
$(document).on("click", ".delete-user", function () {
var deleteUserEmail = $(this).data('email');
$('#delete_user_email').val(deleteUserEmail);
});
</script>
</body>
</html>