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ssbg04 authored and GitHub committed 2025-06-04 13:22:07 +08:00
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index.html
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@@ -3,8 +3,9 @@
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Firebase CRUD App</title>
<title>Firebase Firestore CRUD App</title>
<style>
/* (Keep all your existing CSS styles the same) */
body {
font-family: 'Inter', sans-serif;
display: flex;
@@ -16,182 +17,12 @@
margin: 0;
box-sizing: border-box;
}
h1 {
color: #333;
margin-bottom: 30px;
font-size: 2.5em;
text-align: center;
}
form {
background-color: #ffffff;
padding: 40px;
border-radius: 15px;
box-shadow: 0 10px 25px rgba(0,0,0,0.1);
display: flex;
flex-direction: column;
gap: 20px;
width: 100%;
max-width: 450px;
box-sizing: border-box;
}
label {
font-size: 1.1em;
color: #555;
display: flex;
flex-direction: column;
gap: 8px;
}
input[type="text"],
input[type="email"] {
padding: 12px 15px;
border: 1px solid #ccc;
border-radius: 8px;
font-size: 1em;
width: 100%;
box-sizing: border-box;
transition: border-color 0.3s ease;
}
input[type="text"]:focus,
input[type="email"]:focus {
border-color: #007bff;
outline: none;
box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.25);
}
button {
background-color: #007bff;
color: white;
padding: 15px 25px;
border: none;
border-radius: 10px;
font-size: 1.2em;
cursor: pointer;
transition: background-color 0.3s ease, transform 0.2s ease;
box-shadow: 0 4px 10px rgba(0, 123, 255, 0.3);
}
button:hover {
background-color: #0056b3;
transform: translateY(-2px);
}
button:active {
transform: translateY(0);
box-shadow: 0 2px 5px rgba(0, 123, 255, 0.3);
}
.modal-overlay {
position: fixed;
top: 0;
left: 0;
height: 100%;
width: 100%;
background: rgba(0,0,0,0.6);
display: flex;
justify-content: center;
align-items: center;
z-index: 1000;
opacity: 0;
visibility: hidden;
transition: opacity 0.3s ease, visibility 0.3s ease;
}
.modal-overlay.visible {
opacity: 1;
visibility: visible;
}
.modal-content {
background: white;
padding: 30px;
border-radius: 10px;
box-shadow: 0 5px 15px rgba(0,0,0,0.3);
text-align: center;
max-width: 400px;
width: 90%;
transform: translateY(-20px);
transition: transform 0.3s ease;
}
.modal-overlay.visible .modal-content {
transform: translateY(0);
}
.modal-content h2 {
margin-top: 0;
color: #666;
}
.modal-content button {
background-color: #007bff;
color: white;
padding: 10px 20px;
border: none;
border-radius: 5px;
cursor: pointer;
font-size: 1em;
}
.modal-content button:hover {
background-color: #0056b3;
}
/* CRUD Operations Section */
.crud-section {
background-color: #ffffff;
padding: 30px;
border-radius: 15px;
box-shadow: 0 10px 25px rgba(0,0,0,0.1);
margin-top: 30px;
width: 100%;
max-width: 800px;
}
.user-list {
margin-top: 20px;
}
.user-card {
background: #f8f9fa;
padding: 15px;
border-radius: 8px;
margin-bottom: 10px;
display: flex;
justify-content: space-between;
align-items: center;
}
.user-actions button {
padding: 8px 12px;
margin-left: 8px;
font-size: 0.9em;
}
.user-actions button.delete {
background-color: #dc3545;
}
.user-actions button.delete:hover {
background-color: #c82333;
}
.user-actions button.edit {
background-color: #ffc107;
color: #212529;
}
.user-actions button.edit:hover {
background-color: #e0a800;
}
/* ... (rest of your CSS remains identical) ... */
</style>
<link rel="stylesheet" href="https://fonts.googleapis.com/css2?family=Inter:wght@400;600&display=swap">
</head>
<body>
<!-- (Keep all your HTML the same) -->
<h1>User Management</h1>
<form id="userForm" action="">
<label for="name">Name: <input type="text" name="name" id="name" required> </label>
@@ -218,21 +49,21 @@
<script type="module">
import { initializeApp } from "https://www.gstatic.com/firebasejs/9.6.0/firebase-app.js";
import {
getDatabase,
ref,
push,
set,
onValue,
update,
remove,
serverTimestamp
} from "https://www.gstatic.com/firebasejs/9.6.0/firebase-database.js";
getFirestore,
collection,
addDoc,
getDocs,
doc,
updateDoc,
deleteDoc,
onSnapshot,
serverTimestamp
} from "https://www.gstatic.com/firebasejs/9.6.0/firebase-firestore.js";
// Your web app's Firebase configuration
// Your Firebase configuration
const firebaseConfig = {
apiKey: "AIzaSyDoRv9_xpy19uoyVRVEjGYB-Ckr3ZyruTE",
authDomain: "nosql-demo-bd597.firebaseapp.com",
databaseURL: "https://nosql-demo-bd597-default-rtdb.firebaseio.com",
projectId: "nosql-demo-bd597",
storageBucket: "nosql-demo-bd597.appspot.com",
messagingSenderId: "813176623239",
@@ -241,10 +72,10 @@
// Initialize Firebase
const app = initializeApp(firebaseConfig);
const database = getDatabase(app);
const usersRef = ref(database, 'users');
const db = getFirestore(app);
const usersCollection = collection(db, "users");
// Modal functions
// Modal functions (keep the same)
function showCustomAlert(title, message) {
const modal = document.getElementById('customAlertModal');
document.getElementById('modalTitle').textContent = title;
@@ -256,7 +87,7 @@
document.getElementById('customAlertModal').classList.remove('visible');
});
// DOM Elements
// DOM Elements (keep the same)
const form = document.getElementById('userForm');
const submitButton = document.getElementById('submitButton');
const cancelEdit = document.getElementById('cancelEdit');
@@ -265,7 +96,7 @@
let isEditing = false;
let currentEditId = null;
// Form submission
// Form submission - Firestore version
form.addEventListener('submit', async (e) => {
e.preventDefault();
const name = document.getElementById('name').value;
@@ -280,32 +111,27 @@
try {
if (isEditing) {
// Update existing user
await update(ref(database, `users/${currentEditId}`), userData);
const userRef = doc(db, "users", currentEditId);
await updateDoc(userRef, userData);
showCustomAlert('✅ Success!', 'User updated successfully!');
} else {
// Create new user
userData.createdAt = serverTimestamp();
const newUserRef = push(usersRef);
await set(newUserRef, userData);
showCustomAlert('✅ Success!', `User created with ID: ${newUserRef.key}`);
const docRef = await addDoc(usersCollection, userData);
showCustomAlert('✅ Success!', `User created with ID: ${docRef.id}`);
}
form.reset();
resetFormState();
} catch (error) {
showCustomAlert('⚠ Error', 'Operation failed');
console.error('Firebase error:', error);
console.error('Firestore error:', error);
}
});
// Cancel edit
// Cancel edit (keep the same)
cancelEdit.addEventListener('click', resetFormState);
// Refresh user list
refreshButton.addEventListener('click', () => {
loadUsers();
});
// Reset form to "add" state
// Reset form (keep the same)
function resetFormState() {
isEditing = false;
currentEditId = null;
@@ -314,34 +140,34 @@
document.getElementById('userId').value = '';
}
// Display users in the list
// Display users - Firestore version
function displayUsers(users) {
userList.innerHTML = '';
if (!users) {
if (users.empty) {
userList.innerHTML = '<p>No users found</p>';
return;
}
Object.keys(users).forEach(key => {
const user = users[key];
users.forEach((doc) => {
const user = doc.data();
const userCard = document.createElement('div');
userCard.className = 'user-card';
userCard.innerHTML = `
<div>
<strong>${user.name}</strong>
<p>${user.email}</p>
<small>ID: ${key}</small>
<small>ID: ${doc.id}</small>
</div>
<div class="user-actions">
<button class="edit" data-id="${key}">Edit</button>
<button class="delete" data-id="${key}">Delete</button>
<button class="edit" data-id="${doc.id}">Edit</button>
<button class="delete" data-id="${doc.id}">Delete</button>
</div>
`;
userList.appendChild(userCard);
});
// Add event listeners to edit and delete buttons
// Add event listeners
document.querySelectorAll('.user-actions .edit').forEach(button => {
button.addEventListener('click', (e) => editUser(e.target.dataset.id));
});
@@ -351,60 +177,55 @@
});
}
// Load users from Firebase
function loadUsers() {
onValue(usersRef, (snapshot) => {
const users = snapshot.val();
console.log("Users loaded:", users);
displayUsers(users);
}, {
onlyOnce: true
});
// Load users - Firestore version
async function loadUsers() {
const querySnapshot = await getDocs(usersCollection);
displayUsers(querySnapshot);
}
// Edit user
// Edit user - Firestore version
async function editUser(id) {
try {
const userRef = ref(database, `users/${id}`);
onValue(userRef, (snapshot) => {
const user = snapshot.val();
if (user) {
document.getElementById('name').value = user.name;
document.getElementById('email').value = user.email;
document.getElementById('userId').value = id;
isEditing = true;
currentEditId = id;
submitButton.textContent = 'Update User';
cancelEdit.style.display = 'inline-block';
}
}, { onlyOnce: true });
} catch (error) {
showCustomAlert('⚠ Error', 'Could not load user data');
console.error('Edit user error:', error);
const userRef = doc(db, "users", id);
const userSnap = await getDoc(userRef);
if (userSnap.exists()) {
const user = userSnap.data();
document.getElementById('name').value = user.name;
document.getElementById('email').value = user.email;
document.getElementById('userId').value = id;
isEditing = true;
currentEditId = id;
submitButton.textContent = 'Update User';
cancelEdit.style.display = 'inline-block';
} else {
showCustomAlert('⚠ Error', 'User not found');
}
}
// Delete user
// Delete user - Firestore version
async function deleteUser(id) {
if (!confirm('Are you sure you want to delete this user?')) return;
try {
await remove(ref(database, `users/${id}`));
await deleteDoc(doc(db, "users", id));
showCustomAlert('✅ Success!', 'User deleted successfully');
} catch (error) {
showCustomAlert('⚠ Error', 'Could not delete user');
console.error('Delete user error:', error);
console.error('Delete error:', error);
}
}
// Real-time listener for users
onValue(usersRef, (snapshot) => {
displayUsers(snapshot.val());
// Real-time listener - Firestore version
onSnapshot(usersCollection, (querySnapshot) => {
displayUsers(querySnapshot);
});
// Initial load
loadUsers();
// Refresh button
document.getElementById('refreshUsers').addEventListener('click', loadUsers);
</script>
</body>
</html>