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user1.php
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user1.php
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<?php
session_start();
include("config.php");
if ($_SESSION['role'] !== 'admin') {
header("Location: login.php");
exit();
}
$user_query = "SELECT user_id, username, name, role FROM users";
$user_result = mysqli_query($conn, $user_query);
$student_query = "SELECT user_id, username, role FROM users WHERE role = 'student'";
$student_result = mysqli_query($conn, $student_query);
if ($_SERVER["REQUEST_METHOD"] == "POST") {
if (isset($_POST["update_role"])) {
$user_id = mysqli_real_escape_string($conn, $_POST["user_id"]);
$new_role = mysqli_real_escape_string($conn, $_POST["new_role"]);
$update_query = "UPDATE users SET role = '$new_role' WHERE user_id = '$user_id'";
if (mysqli_query($conn, $update_query)) {
echo '<script>alert("User role updated successfully.");</script>';
header("Location: user1.php");
} else {
echo '<script>alert("Error updating user role.");</script>';
header("Location: user1.php");
}
} elseif (isset($_POST["delete_user"])) {
$user_id = mysqli_real_escape_string($conn, $_POST["user_id"]);
$delete_query = "DELETE FROM users WHERE user_id = '$user_id'";
if (mysqli_query($conn, $delete_query)) {
echo '<script>alert("User deleted successfully.");</script>';
header("Location: user1.php");
} else {
echo '<script>alert("Error deleting user.");</script>';
header("Location: user1.php");
}
} elseif (isset($_POST["delete_selected"])) {
if (isset($_POST["selected_users"]) && is_array($_POST["selected_users"])) {
$selected_users = implode("','", $_POST["selected_users"]);
$delete_query = "DELETE FROM users WHERE user_id IN ('$selected_users')";
if (mysqli_query($conn, $delete_query)) {
echo '<script>alert("Selected users deleted successfully.");</script>';
header("Location: user1.php");
} else {
echo '<script>alert("Error deleting selected users.");</script>';
header("Location: user1.php");
}
}
} elseif (isset($_POST["add_user"])) {
$new_username = mysqli_real_escape_string($conn, $_POST["new_username"]);
$new_password = mysqli_real_escape_string($conn, $_POST["new_password"]);
$new_role = mysqli_real_escape_string($conn, $_POST["new_role"]);
$new_name = mysqli_real_escape_string($conn, $_POST["new_name"]);
$insert_query = "INSERT INTO users (username, name, password, role) VALUES ('$new_username', '$new_name', '$new_password', '$new_role')";
if (mysqli_query($conn, $insert_query)) {
echo '<script>alert("User added successfully.");</script>';
header("Location: user1.php");
} else {
echo '<script>alert("Error adding user.");</script>';
header("Location: user1.php");
}
} elseif (isset($_POST["bulk_add_users"])) {
if (isset($_FILES["bulk_users_file"]) && $_FILES["bulk_users_file"]["error"] == UPLOAD_ERR_OK) {
$file_tmp = $_FILES["bulk_users_file"]["tmp_name"];
$csv_data = array_map('str_getcsv', file($file_tmp));
foreach ($csv_data as $user) {
$new_username = mysqli_real_escape_string($conn, $user[0]);
$new_name = mysqli_real_escape_string($conn, $user[1]);
$new_password = mysqli_real_escape_string($conn, $user[2]);
$new_role = mysqli_real_escape_string($conn, $user[3]);
$insert_query = "INSERT INTO users (username, name, password, role) VALUES ('$new_username', '$new_name', '$new_password', '$new_role')";
if (mysqli_query($conn, $insert_query)) {
// echo '<script>alert("Bulk users added successfully.");</script>';
header("Location: user1.php");
} else {
echo '<script>alert("Error adding bulk users.");</script>';
header("Location: user1.php");
}
}
} else {
echo '<script>alert("Error uploading file.");</script>';
header("Location: user1.php");
}
}
}
?>
<!DOCTYPE html>
<html lang="en">
<head>
<!-- Required meta tags -->
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
<!-- Bootstrap CSS -->
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T" crossorigin="anonymous">
<title>IIITR Mess</title>
</head>
<body>
<!-- Add your HTML for the user list page here -->
<?php include("admin_nav.php"); ?>
<br>
<div class="container">
<div class="row justify-content-center">
<div class="col-md-8">
<h2 class="text-center">Add New User</h2>
<form method="post" action="">
<div class="form-group">
<label for="new_username">Username:</label>
<input type="text" class="form-control" name="new_username" required>
</div>
<div class="form-group">
<label for="new_password">Password:</label>
<input type="password" class="form-control" name="new_password" required>
</div>
<div class="form-group">
<label for="new_role">Role:</label>
<select name="new_role" class="form-control">
<option value='student'>Student</option>
<option value='secretary'>Mess Secretary</option>
<option value='warden'>Chief Warden</option>
<option value='caterer'>Caterer</option>
<option value='admin'>Admin</option>
</select>
</div>
<button type="submit" name="add_user" class="btn btn-success">Add User</button>
</form>
<h2 class="text-center">Add Multiple Users</h2>
<form method="post" action="" enctype="multipart/form-data">
<div class="form-group">
<label for="bulk_users_file">Upload CSV File:</label>
<input type="file" class="form-control-file" name="bulk_users_file" accept=".csv" required>
</div>
<button type="submit" name="bulk_add_users" class="btn btn-success">Add Users</button>
</form>
<br>
<h2 class="text-center">Edit Registered Users</h2>
<br>
<form method="post" action="">
<table class="table table-dark table-striped">
<thead>
<tr>
<th scope="col" class="text-center">Select</th>
<th scope="col" class="text-center">User ID</th>
<th scope="col" class="text-center">Username</th>
<th scope="col" class="text-center">Role</th>
<th scope="col" class="text-center">Update Role</th>
</tr>
</thead>
<tbody>
<?php
while ($row = mysqli_fetch_assoc($user_result)) {
echo "<tr>";
echo "<td class='text-center'><input type='checkbox' name='selected_users[]' value='" . $row['user_id'] . "'></td>";
echo "<td class='text-center'>" . $row['user_id'] . "</td>";
echo "<td class='text-center'>" . $row['username'] . "</td>";
echo "<td class='text-center'>" . $row['role'] . "</td>";
echo "<td class='text-center'>";
echo "<form method='post' action=''>";
echo "<input type='hidden' name='user_id' value='" . $row['user_id'] . "'>";
echo "<select name='new_role' class='form-control'>";
echo "<option value='student'>Student</option>";
echo "<option value='secretary'>Mess Secretary</option>";
echo "<option value='warden'>Chief Warden</option>";
echo "<option value='caterer'>Caterer</option>";
echo "<option value='admin'>Admin</option>";
echo "</select>";
echo "<button type='submit' name='update_role' class='btn btn-primary btn-sm'>Update Role</button>";
echo "</form>";
echo "</td>";
echo "</tr>";
}
?>
</tbody>
</table>
<div class="text-center">
<button type="submit" name="delete_selected" class="btn btn-danger">Delete Selected</button>
</div>
</form>
<br>
<!-- Add form for adding new user -->
</div>
</div>
</div>
<script>
function changeRole() {
var selectedRole = document.getElementById("roleSelect").value;
window.location.href = "?role=" + selectedRole;
}
</script>
</body>
</html>