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admin.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<title>Admin - User Management</title>
<meta http-equiv="Cache-Control" content="no-store" />
<meta http-equiv="Pragma" content="no-cache" />
<meta http-equiv="Expires" content="0" />
<link href="https://stackpath.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css" rel="stylesheet" />
<style>
body {
padding: 20px;
}
</style>
</head>
<body>
<div class="container">
<h1 class="mb-4">Muzamil Khan GPT Admin Panel</h1>
<form id="userForm" class="mb-4">
<div class="form-row">
<div class="form-group col-md-4">
<label for="username">Username</label>
<input type="text" class="form-control" id="username" placeholder="Username" required />
</div>
<div class="form-group col-md-4">
<label for="password">Password</label>
<input type="password" class="form-control" id="password" placeholder="Password" required />
</div>
<div class="form-group col-md-4">
<label for="isAdmin">Admin</label>
<input type="checkbox" class="form-control" id="isAdmin" />
</div>
</div>
<button type="button" class="btn btn-success mr-2" id="addUserButton">Add User</button>
<button type="button" class="btn btn-danger" id="logoutButton">Logout</button>
</form>
<div id="messageBox" class="alert alert-success" role="alert" style="display: none;">
User added successfully!
</div>
<table class="table table-striped">
<thead>
<tr>
<th scope="col">#</th>
<th scope="col">User ID</th>
<th scope="col">Username</th>
<th scope="col">Password</th>
<th scope="col">Role</th>
<th scope="col">Actions</th>
</tr>
</thead>
<tbody id="userTableBody">
<!-- Users will be populated here -->
</tbody>
</table>
</div>
<script>
let db;
const request = indexedDB.open("UserDatabase", 1);
request.onupgradeneeded = function(event) {
db = event.target.result;
const objectStore = db.createObjectStore("users", { keyPath: "userID", autoIncrement: true });
objectStore.createIndex("username", "username", { unique: true });
};
request.onsuccess = function(event) {
db = event.target.result;
refreshUserTable();
};
request.onerror = function(event) {
console.error("Database error: " + event.target.errorCode);
};
function refreshUserTable() {
const transaction = db.transaction(["users"], "readonly");
const objectStore = transaction.objectStore("users");
const request = objectStore.getAll();
request.onsuccess = function(event) {
const users = event.target.result;
const tableBody = document.getElementById("userTableBody");
tableBody.innerHTML = "";
users.forEach((user, index) => {
const role = user.isAdmin ? 'Admin' : 'User';
const row = document.createElement("tr");
row.innerHTML = `
<td>${index + 1}</td>
<td>${user.userID}</td>
<td>${user.username}</td>
<td>${user.password}</td>
<td>${role}</td>
<td>
<button class="btn btn-primary btn-sm updateButton" data-userid="${user.userID}">Update</button>
<button class="btn btn-danger btn-sm deleteButton" data-userid="${user.userID}">Delete</button>
</td>`;
tableBody.appendChild(row);
});
document.querySelectorAll(".updateButton").forEach(button => {
button.addEventListener("click", function() {
const userId = parseInt(this.getAttribute("data-userid"));
const user = users.find(u => u.userID === userId);
document.getElementById("username").value = user.username;
document.getElementById("password").value = user.password;
document.getElementById("isAdmin").checked = user.isAdmin;
document.getElementById("addUserButton").textContent = "Update User";
document.getElementById("addUserButton").setAttribute("data-update", "true");
document.getElementById("addUserButton").setAttribute("data-userid", userId);
});
});
document.querySelectorAll(".deleteButton").forEach(button => {
button.addEventListener("click", function() {
const userId = parseInt(this.getAttribute("data-userid"));
if (confirm(`Are you sure you want to delete user ID: ${userId}?`)) {
const transaction = db.transaction(["users"], "readwrite");
const objectStore = transaction.objectStore("users");
objectStore.delete(userId);
transaction.oncomplete = function() {
refreshUserTable();
};
}
});
});
};
}
document.getElementById("addUserButton").addEventListener("click", function () {
const username = document.getElementById("username").value;
const password = document.getElementById("password").value;
const isAdmin = document.getElementById("isAdmin").checked;
if (username.trim() !== "" && password.trim() !== "") {
const updateMode = this.getAttribute("data-update") === "true";
if (updateMode) {
const userId = parseInt(this.getAttribute("data-userid"));
const transaction = db.transaction(["users"], "readwrite");
const objectStore = transaction.objectStore("users");
const request = objectStore.get(userId);
request.onsuccess = function(event) {
const user = event.target.result;
user.username = username;
user.password = password;
user.isAdmin = isAdmin;
objectStore.put(user);
transaction.oncomplete = function() {
document.getElementById("addUserButton").textContent = "Add User";
document.getElementById("addUserButton").removeAttribute("data-update");
document.getElementById("addUserButton").removeAttribute("data-userid");
refreshUserTable();
document.getElementById("userForm").reset();
};
};
} else {
const transaction = db.transaction(["users"], "readwrite");
const objectStore = transaction.objectStore("users");
const userExistsRequest = objectStore.index("username").get(username);
userExistsRequest.onsuccess = function(event) {
if (!event.target.result) {
const newUser = { username, password, isAdmin };
objectStore.add(newUser);
transaction.oncomplete = function() {
const messageBox = document.getElementById("messageBox");
messageBox.style.display = 'block';
setTimeout(() => {
messageBox.style.display = 'none';
}, 3000); // Hide after 3 seconds
refreshUserTable();
document.getElementById("userForm").reset();
};
} else {
alert("Username already exists.");
}
};
}
} else {
alert("Username and password cannot be empty.");
}
});
// Logout functionality
document.getElementById("logoutButton").addEventListener("click", function() {
localStorage.removeItem("userLoggedIn");
window.location.href = "/login.html"; // Redirect to login page
location.reload(true); // Force reload to prevent cached page from loading
});
// Check if the user is logged in on page load
document.addEventListener("DOMContentLoaded", function() {
if (!isLoggedIn()) {
redirectToLogin();
}
// Check if user navigates back to admin page
window.addEventListener("popstate", function() {
if (window.location.pathname === "/admin.html") {
redirectToLogin();
}
});
});
function isLoggedIn() {
return localStorage.getItem("userLoggedIn") === "true";
}
function redirectToLogin() {
localStorage.removeItem("userLoggedIn");
window.location.href = "/login.html";
}
</script>
</body>
</html>