khoj/src/interface/web/chat.html

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<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0 maximum-scale=1.0">
<title>Khoj</title>
<link rel="icon" href="data:image/svg+xml,<svg xmlns=%22http://www.w3.org/2000/svg%22 viewBox=%220 0 144 144%22><text y=%22.86em%22 font-size=%22144%22>🦅</text></svg>">
<link rel="icon" type="image/png" sizes="144x144" href="/static/assets/icons/favicon-144x144.png">
<link rel="manifest" href="/static/khoj.webmanifest">
</head>
<script>
function setTypeFieldInUrl(type) {
let url = new URL(window.location.href);
url.searchParams.set("t", type.value);
window.history.pushState({}, "", url.href);
}
function setQueryFieldInUrl(query) {
let url = new URL(window.location.href);
url.searchParams.set("q", query);
window.history.pushState({}, "", url.href);
}
function formatDate(date) {
// Format date in HH:MM, DD MMM YYYY format
let time_string = date.toLocaleTimeString('en-IN', { hour: '2-digit', minute: '2-digit', hour12: false });
let date_string = date.toLocaleString('en-IN', { year: 'numeric', month: 'short', day: '2-digit'}).replaceAll('-', ' ');
return `${time_string}, ${date_string}`;
}
function renderMessage(message, by, dt=null) {
let message_time = formatDate(dt ?? new Date());
let by_name = by == "khoj" ? "🦅 Khoj" : "😲 You";
// Generate HTML for Chat Message and Append to Chat Body
document.getElementById("chat-body").innerHTML += `
<div data-meta="${by_name} at ${message_time}" class="chat-message ${by}">
<div class="chat-message-text ${by}">${message}</div>
</div>
`;
// Scroll to bottom of input-body element
document.getElementById("chat-body").scrollTop = document.getElementById("chat-body").scrollHeight;
}
function chat() {
// Extract required fields for search from form
query = document.getElementById("chat-input").value.trim();
type_ = document.getElementById("chat-type").value;
console.log(`Query: ${query}, Type: ${type_}`);
// Short circuit on empty query
if (query.length === 0)
return;
// Set query field in url query param
setQueryFieldInUrl(query);
// Add message by user to chat body
renderMessage(query, "you");
document.getElementById("chat-input").value = "";
// Generate backend API URL to execute query
url = type_ === "chat"
? `/api/beta/chat?q=${encodeURIComponent(query)}`
: `/api/beta/summarize?q=${encodeURIComponent(query)}`;
// Call specified Khoj API
fetch(url)
.then(response => response.json())
.then(data => data.response)
.then(response => {
// Render message by Khoj to chat body
console.log(response);
renderMessage(response, "khoj");
});
}
function incrementalChat(event) {
// Send chat message on 'Enter'
if (event.key === 'Enter') {
chat();
}
}
window.onload = function () {
// Fill type field with value passed in URL query parameters, if any.
var type_via_url = new URLSearchParams(window.location.search).get("t");
if (type_via_url)
document.getElementById("chat-type").value = type_via_url;
// Set welcome message on load
renderMessage("Hey, what's up?", "khoj");
// Fill query field with value passed in URL query parameters, if any.
var query_via_url = new URLSearchParams(window.location.search).get("q");
if (query_via_url) {
document.getElementById("chat-input").value = query_via_url;
chat();
}
}
</script>
<body>
<!-- Chat Header -->
<h1>Khoj</h1>
<!-- Chat Body -->
<div id="chat-body"></div>
<!-- Chat Footer -->
<div id="chat-footer">
<input type="text" id="chat-input" class="option" onkeyup=incrementalChat(event) autofocus="autofocus" placeholder="What is the meaning of life?">
<!--Select Chat Type from: Chat, Summarize -->
<select id="chat-type" class="option" onchange="setTypeFieldInUrl(this)">
<option value="chat">Chat</option>
<option value="summarize">Summarize</option>
</select>
</div>
</body>
<style>
html, body {
height: 100%;
width: 100%;
padding: 0px;
margin: 0px;
}
body {
display: grid;
background: #f8fafc;
color: #475569;
text-align: center;
font-family: roboto, karma, segoe ui, sans-serif;
font-size: 20px;
font-weight: 300;
line-height: 1.5em;
}
body > * {
padding: 10px;
margin: 10px;
}
h1 {
font-weight: 200;
color: #017eff;
}
#chat-body {
font-size: medium;
margin: 0px;
line-height: 20px;
overflow-y: scroll;
}
.chat-message::after {
content: attr(data-meta);
display: block;
font-size: x-small;
color: #475569;
margin: -12px 7px 0 -5px;
}
.chat-message.khoj {
margin-left: auto;
text-align: left;
}
.chat-message.you {
margin-right: auto;
text-align: right;
}
.chat-message-text {
margin: 10px;
border-radius: 10px;
padding: 10px;
position: relative;
display: inline-block;
max-width: 80%;
text-align: left;
}
.chat-message-text.khoj {
color: #f8fafc;
background: #017eff;
margin-left: auto;
}
.chat-message-text.khoj:after {
content: '';
position: absolute;
bottom: -2px;
left: -7px;
border: 10px solid transparent;
border-top-color: #017eff;
border-bottom: 0;
transform: rotate(-60deg);
}
.chat-message-text.you {
color: #f8fafc;
background: #475569;
margin-right: auto;
}
.chat-message-text.you:after {
content: '';
position: absolute;
top: 91%;
right: -2px;
border: 10px solid transparent;
border-left-color: #475569;
border-right: 0;
margin-top: -10px;
transform: rotate(-60deg)
}
#chat-footer {
padding: 0;
display: grid;
grid-template-columns: minmax(70px, 85%) auto;
grid-column-gap: 10px;
grid-row-gap: 10px;
}
#chat-footer > * {
padding: 15px;
border-radius: 5px;
border: 1px solid #475569;
background: #f9fafc
}
.option:hover {
box-shadow: 0 0 11px #aaa;
}
#chat-input {
font-size: medium;
}
@media only screen and (max-width: 600px) {
body {
grid-template-columns: 1fr;
grid-template-rows: auto minmax(80px, 100%) auto;
}
body > * {
grid-column: 1;
}
#chat-footer {
padding: 0;
margin: 4px;
grid-template-columns: auto;
}
}
@media only screen and (min-width: 600px) {
body {
grid-template-columns: auto min(70vw, 100%) auto;
grid-template-rows: auto minmax(80px, 100%) auto;
}
body > * {
grid-column: 2;
}
}
</style>
</html>