admin.php
<?php
$servername = "localhost";
$username = "root";
$password = "";
$dbname = "WaterBills";
$conn = new mysqli($servername, $username, $password, $dbname);
if ($conn->connect_error) {
die("Connection failed: " . $conn->connect_error);
}
if ($_SERVER["REQUEST_METHOD"] == "POST") {
$id = $_POST['id'];
$range_start = $_POST['range_start'];
$range_end = $_POST['range_end'];
$energy_charge = $_POST['energy_charge'];
$fixed_charge = $_POST['fixed_charge'];
$sql = "UPDATE water_bill_units SET range_start='$range_start', range_end='$range_end', energy_charge='$energy_charge', fixed_charge='$fixed_charge' WHERE id='$id'";
if ($conn->query($sql) === TRUE) {
echo "<div class='alert alert-success'>Record updated successfully</div>";
} else {
echo "<div class='alert alert-danger'>Error: " . $sql . "<br>" . $conn->error . "</div>";
}
}
$result = $conn->query("SELECT * FROM water_bill_unit");
$conn->close();
?>
<!DOCTYPE html>
<html>
<head>
<title>Admin Panel</title>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css">
<style>
body {
background-color: #f8f9fa;
padding-top: 20px;
}
.table th, .table td {
vertical-align: middle;
text-align: center;
}
.form-control {
display: inline-block;
width: auto;
}
.btn-primary {
margin-top: 10px;
}
.card {
margin-top: 20px;
margin-bottom: 20px;
}
</style>
</head>
<body>
<div class="container">
<h2 class="text-center">Admin Panel</h2>
<table class="table table-sm table-bordered table-hover mt-4">
<thead class="thead-light">
<tr>
<th>ID</th>
<th>Range Start</th>
<th>Range End</th>
<th>Energy Charge</th>
<th>Fixed Charge</th>
<th>Action</th>
</tr>
</thead>
<tbody>
<?php while($row = $result->fetch_assoc()) { ?>
<tr>
<td><?php echo $row['id']; ?></td>
<td><?php echo $row['range_start']; ?></td>
<td><?php echo $row['range_end']; ?></td>
<td><?php echo $row['energy_charge']; ?></td>
<td><?php echo $row['fixed_charge']; ?></td>
<td>
<form method="post" class="form-inline">
<input type="hidden" name="id" value="<?php echo $row['id']; ?>">
<input type="text" name="range_start" class="form-control mb-2 mr-sm-2" value="<?php echo $row['range_start']; ?>">
<input type="text" name="range_end" class="form-control mb-2 mr-sm-2" value="<?php echo $row['range_end']; ?>">
<input type="text" name="energy_charge" class="form-control mb-2 mr-sm-2" value="<?php echo $row['energy_charge']; ?>">
<input type="text" name="fixed_charge" class="form-control mb-2 mr-sm-2" value="<?php echo $row['fixed_charge']; ?>">
<input type="submit" class="btn btn-primary mb-2" value="Update">
</form>
</td>
</tr>
<?php } ?>
</tbody>
</table>
<div class="card mx-auto w-50">
<div class="card-body">
<h5 class="card-title">New Admin Registration</h5>
<p class="card-text">Register a new admin for the system.</p>
<center>
<button class="btn btn-primary" onclick="location.href='adminregistration.php'">Register</button>
</center>
</div>
</div>
</div>
</body>
</html>
adminlogin.php
<!DOCTYPE html>
<html>
<head>
<title>ADMIN LOGIN</title>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css">
<style>
body {
background-color: #f8f9fa;
display: flex;
justify-content: center;
align-items: center;
height: 100vh;
margin: 0;
}
.login-container {
background-color: white;
padding: 30px;
border-radius: 10px;
box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
width: 100%;
max-width: 400px;
}
h2 {
margin-bottom: 20px;
}
.input-group {
margin-bottom: 15px;
}
.input-group label {
width: 100%;
}
.input-group input {
width: 100%;
}
button {
width: 100%;
}
</style>
</head>
<body>
<div class="login-container">
<h2 class="text-center">Login</h2>
<form method="post">
<div class="input-group">
<label for="username">Username:</label>
<input type="text" name="username" class="form-control" required>
</div>
<div class="input-group">
<label for="password">Password:</label>
<input type="password" name="password" class="form-control" required>
</div>
<button type="submit" class="btn btn-primary">Login</button>
</form>
</div>
<div>
<?php
session_start();
// Database configuration
$servername = "localhost";
$username = "root"; // Replace with your MySQL username
$password = ""; // Replace with your MySQL password
$dbname = "WaterBills"; // this is your database name
// Create connection
$conn = new mysqli($servername, $username, $password, $dbname);
// Check connection
if ($conn->connect_error) {
die("Connection failed: " . $conn->connect_error);
}
// Function to check login credentials
function check_login($conn, $username, $password) {
$stmt = $conn->prepare("SELECT password FROM admin WHERE username = ?");
$stmt->bind_param("s", $username);
$stmt->execute();
$stmt->store_result();
$hashed_password = $password;
if ($stmt->num_rows > 0) {
$stmt->bind_result($hashed_password);
$stmt->fetch();
if (password_verify($password, $hashed_password)) {
return true;
}
}
return false;
}
// Handle login form submission
if ($_SERVER["REQUEST_METHOD"] == "POST") {
$username = $_POST['username'];
$password = $_POST['password'];
// $password = password_hash($_POST['password'], PASSWORD_BCRYPT);
if (check_login($conn, $username, $password)) {
$_SESSION['username'] = $username;
header("Location: admin.php");
exit();
} else {
echo "<div class='alert alert-danger mt-3'>Invalid username or password.</div>";
}
}
$conn->close();
?>
</div>
</body>
</html>
adminregistration.php
<?php
$servername = "localhost";
$username = "root";
$password = "";
$dbname = "WaterBills";
// Create connection
$conn = new mysqli($servername, $username, $password, $dbname);
// Check connection
if ($conn->connect_error) {
die("Connection failed: " . $conn->connect_error);
}
if(isset($_POST['submit'])){
$username = $_POST['username'];
$password = password_hash($_POST['password'], PASSWORD_BCRYPT);
$sql = "INSERT INTO admin (username, password) VALUES ('$username', '$password')";
if ($conn->query($sql) === TRUE) {
header("Location: adminlogin.php");
} else {
echo "Error: " . $sql . "<br>" . $conn->error;
}
}
$conn->close();
?>
<!DOCTYPE html>
<html>
<head>
<title>Admin Register Form</title>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css">
<style>
body {
background-color: #f8f9fa;
display: flex;
justify-content: center;
align-items: center;
height: 100vh;
margin: 0;
}
.register-container {
background-color: white;
padding: 30px;
border-radius: 10px;
box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
width: 100%;
max-width: 500px;
}
h2 {
margin-bottom: 20px;
}
</style>
</head>
<body>
<div class="register-container">
<h2 class="text-center">Admin Register</h2>
<hr>
<form action="" method="post">
<div class="form-group row">
<label for="username" class="col-sm-3 col-form-label"><b>Username:</b></label>
<div class="col-sm-9">
<input type="text" class="form-control" name="username" required>
</div>
</div>
<div class="form-group row">
<label for="password" class="col-sm-3 col-form-label"><b>Password:</b></label>
<div class="col-sm-9">
<input type="password" class="form-control" name="password" required>
</div>
</div>
<button type="submit" class="btn btn-primary btn-block" name="submit">Register</button>
</form>
</div>
</body>
</html>
dashboard.php
<!DOCTYPE html>
<html>
<head>
<title>Dashboard</title>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css">
<style>
body {
background-color: #f8f9fa;
padding-top: 50px;
}
.container {
max-width: 600px;
background-color: white;
padding: 30px;
border-radius: 10px;
box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}
h1 {
margin-bottom: 20px;
}
footer {
margin-top: 30px;
}
footer .card {
margin: 10px 0;
padding: 10px;
box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}
.btn-primary {
width: 100%;
}
</style>
</head>
<body>
<div class="container">
<h1>Enter Water Usage</h1>
<form method="post">
<div class="form-group">
<label for="month">Month:</label>
<input type="month" class="form-control" name="month" required>
</div>
<div class="form-group">
<label for="units">Units:</label>
<input type="number" class="form-control" name="units" required>
</div>
<button type="submit" class="btn btn-primary" name="submit">Submit</button>
</form>
</div>
<div class="container mt-5">
<?php
$servername = "localhost";
$username = "root";
$password = "";
$dbname = "WaterBills";
// Create connection
$conn = new mysqli($servername, $username, $password, $dbname);
// Check connection
if ($conn->connect_error) {
die("Connection failed: " . $conn->connect_error);
}
session_start();
if ($_SERVER["REQUEST_METHOD"] == "POST" && isset($_POST['submit'])) {
$customer_id = $_SESSION['customer_id'];
$month = $_POST['month'];
$units = $_POST['units'];
// Calculate Bill
$sql = "SELECT * FROM water_bill_unit ORDER BY range_start ASC";
$result = $conn->query($sql);
$total_energy_charge = 0;
$fixed_charge = 0;
$remaining_units = $units;
while ($row = $result->fetch_assoc()) {
if ($row['range_end'] === NULL || $remaining_units <= ($row['range_end'] - $row['range_start'] + 1)) {
$total_energy_charge += $remaining_units * $row['energy_charge'];
$fixed_charge = $row['fixed_charge'];
break;
} else {
$units_in_range = $row['range_end'] - $row['range_start'] + 1;
$total_energy_charge += $units_in_range * $row['energy_charge'];
$fixed_charge = $row['fixed_charge'];
$remaining_units -= $units_in_range;
}
}
$total_charge = $total_energy_charge + $fixed_charge;
$vat = $total_charge * 0.18;
$final_bill = $total_charge + $vat;
// Insert water usage and total charge into database
$sql = "INSERT INTO water_usage (customer_id, month, units, total) VALUES ('$customer_id', '$month', '$units', '$final_bill')";
if ($conn->query($sql) === TRUE) {
echo "<div class='alert alert-success'>Usage and bill recorded successfully</div>";
} else {
echo "<div class='alert alert-danger'>Error: " . $sql . "<br>" . $conn->error . "</div>";
}
echo "<div class='alert alert-info'>";
echo "Total Charge: " . $total_charge . " LKR<br>";
echo "VAT (18%): " . $vat . " LKR<br>";
echo "Final Bill: " . $final_bill . " LKR<br>";
echo "</div>";
}
$conn->close();
?>
</div>
<footer>
<div class="container">
<div class="card text-center">
<p><b>Water Usage History:</b></p>
<button class="btn btn-secondary" onclick="location.href='history.php'">History</button>
</div>
<div class="card text-center">
<form method="get" action="logout.php">
<button class="btn btn-danger" type="submit">Logout</button>
</form>
</div>
</div>
</footer>
<script src="https://code.jquery.com/jquery-3.5.1.slim.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/@popperjs/core@2.9.2/dist/umd/popper.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.5.2/js/bootstrap.min.js"></script>
</body>
</html>
history.php
<?php
$servername = "localhost";
$username = "root";
$password = "";
$dbname = "WaterBills";
// Create connection
$conn = new mysqli($servername, $username, $password, $dbname);
// Check connection
if ($conn->connect_error) {
die("Connection failed: " . $conn->connect_error);
}
session_start();
if (!isset($_SESSION['customer_id'])) {
header("Location: login.php");
exit();
}
$customer_id = $_SESSION['customer_id'];
$sql = "SELECT * FROM water_usage WHERE customer_id = ?";
$stmt = $conn->prepare($sql);
$stmt->bind_param("i", $customer_id);
$stmt->execute();
$result = $stmt->get_result();
?>
<!DOCTYPE html>
<html>
<head>
<title>Usage History</title>
<!-- Bootstrap CSS -->
<link href="https://stackpath.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css" rel="stylesheet">
<!-- Custom CSS -->
<style>
body {
background-color: #f8f9fa;
margin: 20px;
}
h1 {
margin-bottom: 20px;
}
table {
width: 80%;
margin: 0 auto;
border-collapse: collapse;
}
th, td {
padding: 10px;
text-align: center;
border: 1px solid #dee2e6;
}
th {
background-color: #007bff;
color: white;
}
tr:nth-child(even) {
background-color: #f2f2f2;
}
.btn-secondary {
margin-top: 20px;
}
</style>
</head>
<body>
<div class="container">
<h1 class="text-center">Your Water Usage History</h1>
<hr>
<center>
<table class="table table-striped table-bordered">
<thead class="thead-dark">
<tr>
<th>Month</th>
<th>Units Used</th>
<th>Amount</th>
</tr>
</thead>
<tbody>
<?php while ($row = $result->fetch_assoc()) { ?>
<tr>
<td><?php echo htmlspecialchars($row['month']); ?></td>
<td><?php echo htmlspecialchars($row['units']); ?></td>
<td><?php echo htmlspecialchars($row['total']); ?></td>
</tr>
<?php } ?>
</tbody>
</table>
<form method="get" action="dashboard.php">
<button class="btn btn-secondary" type="submit">Back</button>
</form>
</center>
</div>
</body>
</html>
<?php
$stmt->close();
$conn->close();
?>
login.php
<!DOCTYPE html>
<html>
<head>
<title>LOGIN</title>
<!-- Bootstrap CSS -->
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css">
<style>
body {
background-color: #f8f9fa;
display: flex;
justify-content: center;
align-items: center;
height: 100vh;
}
.login-container {
background-color: white;
padding: 30px;
border-radius: 10px;
box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
width: 300px;
}
h2 {
text-align: center;
margin-bottom: 20px;
}
.input-group {
margin-bottom: 15px;
}
.input-group label {
width: 100%;
margin-bottom: 5px;
}
.btn {
width: 100%;
}
</style>
</head>
<body>
<div class="login-container">
<h2>Login</h2>
<form method="post">
<div class="input-group">
<label for="username">Username:</label>
<input type="text" class="form-control" name="username" required>
</div>
<div class="input-group">
<label for="password">Password:</label>
<input type="password" class="form-control" name="password" required>
</div>
<button type="submit" class="btn btn-primary">Login</button>
</form>
<div>
<?php
$servername = "localhost";
$username = "root";
$password = "";
$dbname = "WaterBills";
$conn = new mysqli($servername, $username, $password, $dbname);
if ($conn->connect_error) {
die("Connection failed: " . $conn->connect_error);
}
session_start();
if ($_SERVER["REQUEST_METHOD"] == "POST") {
$username = $_POST['username'];
$password = $_POST['password'];
$sql = "SELECT * FROM customers WHERE username='$username'";
$result = $conn->query($sql);
if ($result->num_rows > 0) {
$row = $result->fetch_assoc();
if (password_verify($password, $row['password'])) {
$_SESSION['customer_id'] = $row['id'];
header("Location: dashboard.php");
} else {
echo '<br><div class="alert alert-danger" role="alert">Invalid password</div>';
}
} else {
echo '<br><div class="alert alert-danger" role="alert">No user found with that username</div>';
}
}
$conn->close();
?>
</div>
</div>
<!-- Bootstrap JS and dependencies -->
<script src="https://code.jquery.com/jquery-3.5.1.slim.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/@popperjs/core@2.9.2/dist/umd/popper.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.5.2/js/bootstrap.min.js"></script>
</body>
</html>
logindashboard.php
<!DOCTYPE html>
<html>
<head>
<title>Login Dashboard</title>
<!-- Bootstrap CSS -->
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css">
<style>
body {
background-color: #f8f9fa;
display: flex;
justify-content: center;
align-items: center;
height: 100vh;
}
.row {
width: 80%;
}
.card {
margin-bottom: 20px;
}
.card-body {
text-align: center;
}
#center_button button {
width: 100%;
}
</style>
</head>
<body>
<div class="row">
<div class="col-md-6">
<div class="card">
<div class="card-body">
<h5 class="card-title">Admin Panel</h5>
<p class="card-text">Admin only Access - go to login page</p>
<div id="center_button"><button class="btn btn-primary" onclick="location.href='adminlogin.php'">Admin</button></div>
</div>
</div>
</div>
<div class="col-md-6">
<div class="card">
<div class="card-body">
<h5 class="card-title">Customer Registration</h5>
<p class="card-text">New Registration and login page</p>
<div id="center_button"><button class="btn btn-success" onclick="location.href='registration.php'">Register</button></div><br>
<p class="card-text">Login page</p>
<div id="center_button"><button class="btn btn-secondary" onclick="location.href='login.php'">Login</button></div>
</div>
</div>
</div>
</div>
<!-- Bootstrap JS and dependencies -->
<script src="https://code.jquery.com/jquery-3.5.1.slim.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/@popperjs/core@2.9.2/dist/umd/popper.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.5.2/js/bootstrap.min.js"></script>
</body>
</html>
logout.php
<?php
session_start();
session_unset();
session_destroy();
header("Location: login.php");
exit();
?>
registration.php
<?php
$servername = "localhost";
$username = "root";
$password = "";
$dbname = "WaterBills";
// Create connection
$conn = new mysqli($servername, $username, $password, $dbname);
// Check connection
if ($conn->connect_error) {
die("Connection failed: " . $conn->connect_error);
}
// if ($_SERVER["REQUEST_METHOD"] == "POST")
if(isset($_POST['submit'])){
$name = $_POST['name'];
$address = $_POST['address'];
$email = $_POST['email'];
$water_bill_number = $_POST['water_bill_number'];
$username = $_POST['username'];
$password = password_hash($_POST['password'], PASSWORD_BCRYPT);
$sql = "INSERT INTO customers (name, address, email, water_bill_number, username, password)
VALUES ('$name', '$address', '$email', '$water_bill_number', '$username', '$password')";
if ($conn->query($sql) === TRUE) {
header("Location: login.php");
// echo "New record created successfully";
//echo '<script> location.replace("login.php")</script>';
} else {
echo "Error: " . $sql . "<br>" . $conn->error;
}
}
$conn->close();
?>
<!DOCTYPE html>
<html>
<head>
<title>Register Form</title>
<!-- Bootstrap CSS -->
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css">
<style>
body {
background-color: #f8f9fa;
}
.form-container {
margin-top: 50px;
padding: 20px;
background-color: #fff;
box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
border-radius: 5px;
}
</style>
</head>
<body>
<div class="container">
<div class="row justify-content-center">
<div class="col-md-8">
<div class="form-container">
<h2 class="text-center mt-3">Register</h2>
<hr>
<form action="" method="post">
<div class="form-group">
<label for="name"><b>Name:</b></label>
<input type="text" name="name" required class="form-control">
</div>
<div class="form-group">
<label for="address"><b>Address:</b></label>
<input type="text" name="address" required class="form-control border-danger">
</div>
<div class="form-group">
<label for="email"><b>Email:</b></label>
<input type="email" name="email" required class="form-control border-danger">
</div>
<div class="form-group">
<label for="water_bill_number"><b>Water Bill Number:</b></label>
<input type="text" name="water_bill_number" required class="form-control border-danger">
</div>
<div class="form-group">
<label for="username"><b>Username:</b></label>
<input type="text" name="username" required class="form-control border-danger">
</div>
<div class="form-group">
<label for="password"><b>Password:</b></label>
<input type="password" name="password" required class="form-control border-danger">
</div>
<button type="submit" name="submit" class="btn btn-primary">Register</button>
<br><br>
<div id="center_button">
<button type="button" class="btn btn-secondary" onclick="location.href='login.php'">Login</button>
</div>
</form>
</div>
</div>
</div>
</div>
<!-- Bootstrap JS and dependencies -->
<script src="https://code.jquery.com/jquery-3.5.1.slim.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/@popperjs/core@2.9.2/dist/umd/popper.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.5.2/js/bootstrap.min.js"></script>
</body>
</html>
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