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chat.php
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<?php
session_start();
ob_start();
require_once "../head-chat.php";
ini_set('display_errors', 0);
if (!isset($_SESSION["email"])) {
include 'head.php';
echo "<p align='center'>PLEASE LOGIN</p>";
echo "<br />";
echo "<p align='center'>Redirecting in 3 seconds</p>";
header("refresh:3;url=../login.php?page=chat");
die();
}
?>
<!DOCTYPE html>
<html lang="en">
<head>
<title>G4O2 Chat</title>
<meta name="viewport" content="width=device-width, height=device-height, initial-scale=1.0, minimum-scale=1.0">
<link rel="stylesheet" href="./css/chat.css?v=<?php echo time(); ?>">
</head>
<body>
<div id="loading-screen">
<img src="../favicon.ico" alt="logo">
</div>
<p id="copy-right">© <span id="footer-year">2023</span> G4O2 Chat. All rights reserved.</p>
<main class="container" style="display:none">
<div class="box box-1">
<ul id="users"></ul>
</div>
<div class="box box-2">
<div id="messages"></div>
<button onclick="scrollBottom()" id="scrollBottom" title="Go to the bottom"><img src="../assets/images/up-arrow.svg" style="height: 20px;"></button>
<form id="message-form">
<input type="text" id="message-input" placeholder="Type your message...">
<input type="file" id="file-upload">
<button type="submit" id="submit">Send</button>
</form>
</div>
<div class="box box-3">
<ul>
<li>general</li>
</ul>
<!-- <p>© <span id="footer-year">2023</span> G4O2 Chat. All rights reserved.</p> -->
</div>
</main>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.6.1/jquery.min.js"></script>
<script src="../scripts/main.js"></script>
<script src="./node_modules/socket.io/client-dist/socket.io.js"></script>
<script src="./index.js"></script>
<script>
$('main').hide();
const url = "https://g4o2.idx.tw:4000";
// const url = "http://localhost:3000";
const chatURL = "https://g4o2.idx.tw";
// const chatURL = "http://localhost/php-sql-chat";
const socket = io(url);
const messages = document.getElementById('messages');
const form = document.getElementById('message-form');
const input = document.getElementById('message-input');
const fileUpload = document.getElementById('file-upload');
const submitBtn = document.getElementById('submit');
const user_id = '<?= $_SESSION['user_id'] ?>';
const user = '<?= $_SESSION['username'] ?>';
// const user_id = parseInt(sessionStorage.getItem("user_id"));
let msg_load_index = 1;
let first_load_messages = true;
let chat_entire_load = false;
let messagesLoaded = false;
let usersLoaded = false;
function waitUntilTrue(variable, callback) {
if (variable) {
callback();
} else {
setTimeout(function() {
waitUntilTrue(variable, callback);
}, 100);
}
}
window.addEventListener("load", function() {
new Promise(resolve => {
const interval = setInterval(() => {
if (messagesLoaded && usersLoaded) {
clearInterval(interval);
$("#loading-screen").hide();
$("#copy-right").hide();
$('main').show(1000);
$('body').css({
'background-color': 'rgba(41, 41, 41)',
// 'background': 'url(../assets/backgrounds/burj-khalifa.jpg)',
// 'background-repeat': 'no-repeat',
// 'background-attachment': 'fixed',
// 'background-size': '100% 100%'
});
// $('body').css({
// 'background': 'radial-gradient(circle at 30% 107%, #fdf497 0%, #fdf497 5%, #fd5949 45%, #d6249f 60%, #285AEB 90%)'
// });
chatScroll();
}
}, 100);
})
});
function chatScroll() {
messages.scrollTop = messages.scrollHeight;
}
function scrollBottom() {
messages.scrollTo({
top: messages.scrollHeight,
left: 0,
behavior: 'smooth'
});
}
function escapeHtml(text) {
return text
.replace(/&/g, "&")
.replace(/</g, "<")
.replace(/>/g, ">")
.replace(/'/g, "'")
.replace(/"/g, """);
}
fetch(url.concat('/db/users'))
.then((response) => response.text())
.then((body) => {
users = JSON.parse(body);
users = users['responce'];
// console.log(users)
for (let i = 0; i < users.length; i++) {
let pfp = '../assets/images/default-user-square.png';
if (users[i]['pfp']) {
pfp = users[i]['pfp'];
}
const user = new User(users[i]['username'], users[i]['user_id'], pfp, 0);
user.addUserToUsers();
}
usersLoaded ||= true;
});
socket.emit('load-message', msg_load_index);
socket.on('load-message', function(chatlog) {
// console.log(chatlog)
if (chatlog.length == 0 && chat_entire_load == false) {
const pTag = document.createElement("p");
pTag.innerText = "The conversation starts here.";
pTag.style.textAlign = "center";
pTag.style.color = "orange";
const firstChild = document.getElementById('messages').firstChild;
document.getElementById('messages').insertBefore(pTag, firstChild);
chat_entire_load = true
}
for (let i = 0; i < chatlog.length; i++) {
const message = new Message(chatlog[i]['message'], chatlog[i]['message_date'], chatlog[i]['user_id'], chatlog[i]['username'], chatlog[i]['pfp']);
message.appendMessageBefore();
}
if (first_load_messages) {
chatScroll()
messagesLoaded ||= true;
} else {
$(messages).scrollTop($(messages).scrollTop() + 60 * chatlog.length);
}
first_load_messages = false;
msg_load_index += 25;
})
socket.emit('user-connect', user_id);
socket.on('user-connect', function(user_id) {
fetch(url.concat(`/db/users/${user_id}`))
.then((response) => response.text())
.then((body) => {
data = JSON.parse(body);
let username = data['username']
let userconnect = `<p style=''>User ${username} connected</s>`;
});
})
socket.on('message-submit', function(messageDetails) {
const message = new Message(messageDetails['message'], messageDetails['message_date'], messageDetails['user_id'], messageDetails['username'], messageDetails['pfp']);
message.appendMessage();
chatScroll()
});
socket.on('image-submit', function(imageDetails) {
const image = new Message(imageDetails['message'], imageDetails['message_date'], imageDetails['user_id'], imageDetails['username'], imageDetails['pfp']);
image.appendMessage();
chatScroll()
});
socket.on('message-error', function(err) {
document.location.href = `https://http.cat/${err}`;
})
form.addEventListener('submit', function(e) {
e.preventDefault();
if (input.value) {
let date = new Date().toUTCString()
let message = input.value
messageDetails = {
message: message,
message_date: date,
user_id: user_id
}
socket.emit('message-submit', messageDetails);
input.value = '';
// let noMsgElement = document.getElementById('no-msg');
// if (noMsgElement && getComputedStyle(noMsgElement).display !== "none") {
// noMsgElement.style.display = "none";
// }
}
if (fileUpload.value) {
const formData = new FormData();
formData.append('image', fileUpload.files[0]);
fetch(url.concat(`/upload-image`), {
method: 'POST',
body: formData
})
.then(response => {
if (!response.ok) {
throw new Error('Network response was not ok');
}
return response.json();
})
.then(data => {
console.log('Image upload successful:', data);
let date = new Date().toUTCString()
let temp = url.concat('/uploads/')
let message = temp.concat(data['filename'])
imageDetails = {
message: message,
message_date: date,
user_id: user_id
}
socket.emit('image-submit', imageDetails);
})
.catch(error => {
console.error('Error uploading image:', error);
});
fileUpload.value = ''
}
});
window.addEventListener("keydown", event => {
if ((event.keyCode == 191)) {
if (input === document.activeElement) {
return;
} else {
input.focus();
input.select();
event.preventDefault();
}
}
if ((event.keyCode == 27)) {
if (input === document.activeElement) {
document.activeElement.blur();
window.focus();
event.preventDefault();
}
}
});
messages.addEventListener("scroll", function() {
if (messages.scrollTop === 0) {
socket.emit('load-message', msg_load_index);
}
});
</script>
</body>
</html>