Files
3dtours/frontend/js/main_map.js
T
2026-06-07 16:55:00 +07:00

292 lines
8.5 KiB
JavaScript

const API_BASE_URL = 'http://localhost:5000/api';
let map;
let tempMarker = null;
// Initialize when DOM is ready
document.addEventListener('DOMContentLoaded', () => {
initMap();
checkAuthStatus();
loadScenes();
});
/**
* Initializes the full-screen Leaflet Map
*/
function initMap() {
// Center of map defaults to Hanoi
map = L.map('map').setView([21.0285, 105.8542], 13);
L.tileLayer('https://{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {
maxZoom: 19,
attribution: '© OpenStreetMap contributors'
}).addTo(map);
// Event listener for right-click on map to open modal
map.on('contextmenu', (e) => {
const { lat, lng } = e.latlng;
openCreateSceneModal(lat, lng);
});
}
/**
* Checks if user is logged in (via localStorage JWT) and updates UI
*/
function checkAuthStatus() {
const token = localStorage.getItem('jwt');
const username = localStorage.getItem('username');
const role = localStorage.getItem('role');
const authGuest = document.getElementById('auth-guest');
const authLoggedIn = document.getElementById('auth-logged-in');
if (token && username) {
authGuest.style.display = 'none';
authLoggedIn.style.display = 'block';
document.getElementById('logged-username').innerText = username;
document.getElementById('logged-role').innerText = role || 'Thành viên';
} else {
authGuest.style.display = 'block';
authLoggedIn.style.display = 'none';
}
}
/**
* Handles user login
*/
async function handleLogin() {
const username = document.getElementById('username-input').value.trim();
const password = document.getElementById('password-input').value.trim();
if (!username || !password) {
alert('Please fill in both fields');
return;
}
try {
const response = await fetch(`${API_BASE_URL}/auth/login`, {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({ username, password })
});
const data = await response.json();
if (!response.ok) throw new Error(data.message || 'Login failed');
localStorage.setItem('jwt', data.token);
localStorage.setItem('username', data.user.username);
localStorage.setItem('role', data.user.role);
checkAuthStatus();
loadScenes(); // Reload scenes to show member/private scenes
alert('Logged in successfully!');
} catch (error) {
alert(error.message);
}
}
/**
* Handles user registration
*/
async function handleRegister() {
const username = document.getElementById('username-input').value.trim();
const password = document.getElementById('password-input').value.trim();
if (!username || !password) {
alert('Please fill in both fields');
return;
}
try {
const response = await fetch(`${API_BASE_URL}/auth/register`, {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({ username, password, role: 'Thành viên' })
});
const data = await response.json();
if (!response.ok) throw new Error(data.message || 'Registration failed');
alert('Registration successful! You can now log in.');
} catch (error) {
alert(error.message);
}
}
/**
* Handles user logout
*/
function handleLogout() {
localStorage.removeItem('jwt');
localStorage.removeItem('username');
localStorage.removeItem('role');
checkAuthStatus();
loadScenes(); // Reload scenes to filter out private ones
alert('Logged out successfully');
}
/**
* Opens Modal for creating a Scene and sets lat/lng inputs
*/
function openCreateSceneModal(lat, lng) {
const token = localStorage.getItem('jwt');
if (!token) {
alert('Please log in first to create a 3D scene.');
return;
}
// Place a temporary marker on the map
if (tempMarker) map.removeLayer(tempMarker);
tempMarker = L.marker([lat, lng]).addTo(map);
document.getElementById('modal-lat').value = lat.toFixed(6);
document.getElementById('modal-lng').value = lng.toFixed(6);
document.getElementById('create-scene-modal').style.display = 'flex';
}
/**
* Closes the Create Scene Modal and removes temporary marker
*/
function closeModal() {
document.getElementById('create-scene-modal').style.display = 'none';
if (tempMarker) {
map.removeLayer(tempMarker);
tempMarker = null;
}
document.getElementById('create-scene-form').reset();
document.getElementById('shared-with-group').style.display = 'none';
}
/**
* Toggles visibility of the shared users input based on privacy selection
*/
function toggleSharedUsers() {
const privacy = document.getElementById('modal-privacy').value;
const group = document.getElementById('shared-with-group');
if (privacy === 'shared') {
group.style.display = 'block';
} else {
group.style.display = 'none';
}
}
/**
* Form submission for Scene creation (multipart/form-data)
*/
async function submitScene(e) {
e.preventDefault();
const form = document.getElementById('create-scene-form');
const formData = new FormData(form);
const token = localStorage.getItem('jwt');
if (!token) {
alert('Please log in to submit');
return;
}
try {
const response = await fetch(`${API_BASE_URL}/scenes`, {
method: 'POST',
headers: {
'Authorization': `Bearer ${token}`
},
body: formData
});
const data = await response.json();
if (!response.ok) throw new Error(data.message || 'Failed to save scene');
alert('Scene created successfully!');
closeModal();
loadScenes();
} catch (error) {
alert(error.message);
}
}
/**
* Loads and displays visible Scenes on the map
*/
async function loadScenes() {
try {
const token = localStorage.getItem('jwt');
const headers = {};
if (token) {
headers['Authorization'] = `Bearer ${token}`;
}
const response = await fetch(`${API_BASE_URL}/scenes`, {
method: 'GET',
headers
});
if (!response.ok) throw new Error('Failed to load scenes');
const scenes = await response.json();
// Clear existing markers (excluding tempMarker)
map.eachLayer((layer) => {
if (layer instanceof L.Marker && layer !== tempMarker) {
map.removeLayer(layer);
}
});
// Add Markers for each scene
scenes.forEach((scene) => {
const marker = L.marker([scene.lat, scene.lng]).addTo(map);
// Generate Popup content with a View button
let popupContent = `
<div class="popup-box">
<h4>${scene.title}</h4>
<p>Owner: <strong>${scene.owner ? scene.owner.username : 'Unknown'}</strong></p>
<p>Privacy: <span class="badge">${scene.privacy.toUpperCase()}</span></p>
<button class="view-btn" onclick="openScene('${scene._id}', '${scene.privacy}', '${scene.shareToken || ''}')">View 360° Panorama</button>
</div>
`;
marker.bindPopup(popupContent);
});
} catch (error) {
console.error('Error loading scenes:', error);
}
}
/**
* Fetches secure scene details and triggers the Panorama viewer
*/
async function openScene(sceneId, privacy, shareToken) {
try {
const token = localStorage.getItem('jwt');
const headers = {};
if (token) {
headers['Authorization'] = `Bearer ${token}`;
}
let url = `${API_BASE_URL}/scenes/${sceneId}`;
if (privacy === 'shared' && shareToken) {
url += `?token=${shareToken}`;
}
const response = await fetch(url, {
method: 'GET',
headers
});
const scene = await response.json();
if (!response.ok) throw new Error(scene.message || 'Failed to fetch scene details');
// Construct secure image URL passing shareToken if applicable
let secureImageUrl = `${API_BASE_URL}/assets/view/${scene.assetId._id}`;
if (privacy === 'shared' && scene.shareToken) {
secureImageUrl += `?token=${scene.shareToken}`;
}
// Initialize 3D Viewer with secure, referer-protected image stream
initPanoramaViewer(secureImageUrl);
} catch (error) {
alert(error.message);
}
}