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page.html
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<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Chat me</title>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.6.0/jquery.min.js"></script>
<style>
html, body {
height: 100%;
margin: 0px;
padding: 0px;
font-size: 14px;
}
*{
font-family: Verdana, sans-serif;
color: black;
}
#controlPanel {
background-color: #d4a373;
height: 100%;
float: left;
line-height: 2;
}
#display {
padding-top: 10px;
padding-left: 10px;
height: 100%;
background-color: #faedcd;
line-height: 1;
overflow-x: auto;
overflow-y: auto;
}
.panelTitle {
padding: 0;
margin: 0;
text-align: center;
font-size: 15px;
font-weight: 700;
}
#checkMessagesPanel, #newUserPanel, #newMessagePanel, #showUsersPanel, #liveChatPanel{
position: relative;
background-color: #faedcd;
margin: 5px;
margin-top: 0px;
margin-bottom: 0px;
}
#checkMessagesPanel {
margin-top: 5px;
}
textarea{
resize: none;
position: relative;
padding-right: 10px;
padding-left: 10px;
padding-top: 5px;
padding-bottom: 5px;
border: 0px;
border-bottom: 2px solid #d4a373;
}
input[type=text] {
width: 125px;
position: absolute;
right: 0px;
}
input[type=password] {
width: 125px;
position: absolute;
right: 0px;
}
#responseTextHere{
font-size: 24px;
text-align: center;
}
#displayMessagesHeader{
font-size: 36px;
position: relative;
left: 10px;
}
#displayMessagesHeader > span{
position: absolute;
font-size: 24px;
left: 10px;
}
.messageElement{
border: 0.5mm ridge rgba(211, 220, 50, .6);
width: fit-content;
height: fit-content;
background-color: #e9edc9;
font-size: 20px;
line-height: 1.5;
}
.userElement{
border: 0.5mm ridge rgba(211, 220, 50, .6);
width: fit-content;
height: fit-content;
background-color: #e9edc9;
font-size: 20px;
line-height: 1.5;
}
#sessionInfo{
position: absolute;
bottom: 1em;
padding: 5px;
margin-left: 2.5%;
margin-right: 2.5%;
width: 25%;
border-radius: 25px;
height: fit-content;
text-align: center;
background-color: #faedcd;
}
input[type=text] {
position: relative;
width: 100%;
padding-right: 10px;
padding-left: 10px;
padding-top: 5px;
padding-bottom: 5px;
border: 0px;
border-bottom: 2px solid #d4a373;
}
input[type=password] {
position: relative;
width: 100%;
padding-right: 10px;
padding-left: 10px;
padding-top: 5px;
padding-bottom: 5px;
border: 0px;
border-bottom: 2px solid #d4a373;
}
#input{
position: relative;
width: 100%;
padding-right: 10px;
padding-left: 10px;
padding-top: 5px;
padding-bottom: 5px;
border: 0px;
border-bottom: 2px solid #d4a373;
}
.indiv {
padding: 5px;
font-family: Verdana;
display: flex;
align-items: center;
justify-content: center;
}
.indivChat {
padding: 5px;
font-family: Verdana;
}
#liveChatPanelOutput {
height: 20em;;
overflow-x: auto;
overflow-y: auto;
}
</style>
</head>
<body>
<div id="controlPanel">
<div id="checkMessagesPanel">
<div class="indiv">
<button onClick="checkMessagesTo()">Check Your Messages</button>
</div>
<div class="indiv">
<button onClick="checkMessagesFrom()">Check Messages You Have Sent</button>
</div>
</div>
<p class="panelTitle"><b>Send a Message</b></p>
<div id="newMessagePanel">
<div class="indiv">
<input autocomplete="off" type="text" id="newMessageTo" placeholder="To user1, user2, user3"></input><br>
</div>
<div class="indiv">
<textarea rows=6 cols=30 id="newMessageMessage"></textarea><br>
</div>
<div class="indiv">
<button onClick="createMessage()">Submit Message</button>
</div>
</div>
<p class="panelTitle"><b>Log In/Sign up</b></p>
<div id="newUserPanel">
<div class="indiv">
<input autocomplete="off" type="text" id="createUserUsername" placeholder="Username"></input><br>
</div>
<div class="indiv">
<input autocomplete="off" type="password" id="createUserPassword" placeholder="Password"></input><br>
</div>
<div class="indiv">
<button onClick="logIn()">Log in</button>
</div>
<div class="indiv">
<button onClick="createUser()">Create New User</button>
</div>
</div>
<div id="showUsersPanel">
<div class="indiv">
<button type="button" id="suButton">Show all users</button>
</div>
</div>
<p class="panelTitle"><b>Live Chat Panel</b></p>
<div id="liveChatPanel">
<div id="liveChatPanelOutput">
</div>
<div class="indiv">
<input type="text" id="input" placeholder="Type message here...">
</div>
</div>
<div id="sessionInfo">
You are not logged in!
</div>
</div>
<div id="display">
<div id="responseTextHere"><div id="displayMessagesHeader">Start by creating a user or clicking the <i>Show all users</i> button.</div></div>
</div>
<script src="/socket.io/socket.io.js"></script>
<script>
var socket = io();
document.querySelector('#input').addEventListener('keypress', function (e) {
if (e.key === 'Enter') {
socket.emit('sendMessage',{"message":document.getElementById("input").value});
document.getElementById("input").value = "";
}
});
socket.on('sendMessage',function(data){
liveChatPanelOutput.innerHTML += "<div class='indivChat'><div>"+data["username"]+": "+data["message"]+"</div></div>";
});
socket.on('listAllUsers',function(response){
var responseText = "<div id='displayMessagesHeader'>Here are all of the users in the database:<br><span>Click on a user to automatically put them in the \"To\" field.</span></div><br><br>";
for(var i=0; i<response.length; i++){
responseText+= "<div class='userElement' onclick='changeTo(\"" + response[i]["username"]+"\")'> ➼ " + response[i]["username"] + "</div><br>";
}
responseTextHere.innerHTML = responseText;
});
socket.on('userAlreadyExists',function(username){
responseTextHere.innerHTML = "The user <i>"+username+"</i> already exists. If that is you, log in with your password. Otherwise, try another username.";
});
socket.on('createUser',function(response){
responseTextHere.innerHTML = response["response"];
sessionInfo.innerHTML = "You are signed in as <i>"+response["username"]+"</i>.";
});
socket.on('logIn',function(response){
responseTextHere.innerHTML = response["response"];
sessionInfo.innerHTML = "You are signed in as <i>"+response["username"]+"</i>.";
});
socket.on('incorrectPassword',function(response){
responseTextHere.innerHTML = "Password for user <i>"+response["username"]+"</i> does not match database. Try another password.";
});
socket.on('createMessage',function(response){
responseTextHere.innerHTML = response["response"];
});
socket.on('userDNE',function(response){
responseTextHere.innerHTML = "User <i>"+response+"</i> does not exist.";
});
socket.on('noMessages',function(response){
if(response["type"] == "from"){
responseTextHere.innerHTML = "User <i>" + response["username"]+"</i> has not sent any messages!";
} else if(response["type"] == "to"){
responseTextHere.innerHTML = "User <i>" + response["username"]+"</i> has not received any messages!";
}
});
socket.on('checkMessagesFrom',function(response){
var responseText = "<div id='displayMessagesHeader'>Here are the messages that you have sent, <i>" + response[0]["from"] +"</i>:</div><br>";
for(let i=response.length-1; i>=0; i--){
responseText += "<div class=\"messageElement\"><strong> ➼ To "+response[i]["to"]+":</strong> "+response[i]["body"]+"</div><br>";
}
responseTextHere.innerHTML = responseText;
});
socket.on('checkMessagesTo',function(response){
var responseText = "<div id='displayMessagesHeader'>Here are your messages, <i>" + response[0]["to"] +"</i>:</div><br>";
for(let i=response.length-1; i>=0; i--){
responseText += "<div class=\"messageElement\"><strong> ➼ From "+response[i]["from"]+":</strong> "+response[i]["body"]+"</div><br>";
}
responseTextHere.innerHTML = responseText;
});
socket.on('notLoggedIn',function(){
responseTextHere.innerHTML = "You aren't logged in yet. Try creating a user first!";
});
$(document).ready(function(){
let display = document.getElementById('display');
$("#suButton").click(function(){
socket.emit('listAllUsers');
});
$('input, textarea, select')
.not(':input[type=button], :input[type=submit], :input[type=reset]').focus(function(){
$(this).css("background-color","#cccccc");
});
$('input, textarea, select')
.not(':input[type=button], :input[type=submit], :input[type=reset]').blur(function(){
$(this).css("background-color","#ffffff");
});
});
function checkMessagesTo() {
socket.emit('checkMessagesTo');
}
function checkMessagesFrom() {
socket.emit('checkMessagesFrom');
}
function createMessage(){
var to = document.getElementById("newMessageTo").value;
var message = document.getElementById("newMessageMessage").value;
if(message=="") document.getElementById("responseTextHere").innerHTML = "Oops! Your message is empty.";
else if(to=="") document.getElementById("responseTextHere").innerHTML =
"Make sure you enter who the message is to!";
else {
socket.emit('createMessage',{"to":to,"body":message});
document.getElementById("newMessageTo").value = "";
document.getElementById("newMessageMessage").value = "";
}
}
function createUser(){
var username = document.getElementById("createUserUsername").value;
var password = document.getElementById("createUserPassword").value;
if(username=="") document.getElementById("responseTextHere").innerHTML = "Make sure you enter a username.";
else if(password=="") document.getElementById("responseTextHere").innerHTML = "Make sure you enter a password.";
else{
socket.emit('createUser',{"username":username,"password":password});
document.getElementById("createUserUsername").value = "";
document.getElementById("createUserPassword").value = "";
}
}
function logIn(){
var username = document.getElementById("createUserUsername").value;
var password = document.getElementById("createUserPassword").value;
if(username=="") document.getElementById("responseTextHere").innerHTML = "Make sure you enter a username.";
else if(password=="") document.getElementById("responseTextHere").innerHTML = "Make sure you enter a password.";
else{
socket.emit('logIn',{"username":username,"password":password});
document.getElementById("createUserUsername").value = "";
document.getElementById("createUserPassword").value = "";
}
}
function changeTo(user){
document.getElementById("newMessageTo").value = user;
}
</script>
</body>
</html>