refactor: talk => chat

This commit is contained in:
Andy Burke 2025-09-05 11:03:53 -07:00
parent b6b4fefa34
commit 525568d368
8 changed files with 1675 additions and 83 deletions

390
public/tabs/chat/chat.css Normal file
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@ -0,0 +1,390 @@
#chat .tab-content {
display: grid;
grid-template-columns: auto 1fr;
}
.room-list {
margin: 1rem 0;
list-style-type: none;
}
.room-list > li.room a:before {
position: absolute;
left: -1.75rem;
top: 0;
font-weight: bold;
font-size: x-large;
content: "#";
color: var(--text);
}
.room-list > li.room a {
position: relative;
display: block;
width: 100%;
min-height: 1.5rem;
line-height: 1.5rem;
font-weight: bold;
font-size: large;
margin-left: 1.75rem;
text-decoration: none;
}
.room-list > li.room.active a {
color: var(--accent);
}
#chat .sidebar {
position: relative;
width: min-content;
min-width: 10rem;
max-width: 32rem;
overflow-x: scroll;
padding: 0.5rem;
}
#chat .sidebar #sidebar-toggle,
#chat .sidebar #sidebar-toggle-icon {
opacity: 0;
display: none;
}
#chat .sidebar .title {
text-transform: uppercase;
font-size: small;
font-weight: bold;
line-height: 2rem;
}
#chat #room-chat-container {
position: relative;
}
#chat #room-chat-content {
overflow-y: scroll;
position: absolute;
top: 0;
left: 0;
right: 0;
bottom: 5rem;
padding: 0.5rem;
}
#chat #room-chat-entry-container {
position: absolute;
bottom: 0;
left: 0;
right: 0;
height: 5rem;
padding: 1rem;
}
#chat #room-chat-entry-container form {
position: absolute;
top: 0;
left: 0;
right: 0;
bottom: 0;
display: flex;
flex-direction: row;
padding: 0.75rem;
}
#chat #room-chat-entry-container form input[type="file"] {
opacity: 0;
display: none;
}
#chat #room-chat-entry-container form button,
#chat #room-chat-entry-container form label {
position: relative;
top: inherit;
font-size: inherit;
transition: inherit;
width: 50px;
padding: inherit;
margin: 0 1rem;
cursor: pointer;
align-content: center;
border-radius: var(--border-radius);
border: 1px solid var(--text);
}
#chat #room-chat-entry-container form textarea {
width: 100%;
flex-grow: 1;
background: inherit;
color: inherit;
border-radius: var(--border-radius);
}
#chat .message-container {
position: relative;
transition: all 0.33s;
background: rgba(255, 255, 255, 0.03);
margin-top: 0.75rem;
padding: 2px;
border-radius: var(--border-radius);
}
#chat .message-container.user-tick.time-tick + .message-container.user-tick.time-tick,
#chat .message-container.user-tick.time-tock + .message-container.user-tick.time-tock,
#chat .message-container.user-tock.time-tick + .message-container.user-tock.time-tick,
#chat .message-container.user-tock.time-tock + .message-container.user-tock.time-tock {
margin-top: 0;
padding: 0 2px;
}
#chat
.message-container.user-tick.time-tick
+ .message-container.user-tick.time-tick
.info-container,
#chat
.message-container.user-tick.time-tock
+ .message-container.user-tick.time-tock
.info-container,
#chat
.message-container.user-tock.time-tick
+ .message-container.user-tock.time-tick
.info-container,
#chat
.message-container.user-tock.time-tock
+ .message-container.user-tock.time-tock
.info-container {
opacity: 0;
visibility: hidden;
height: 0;
margin: 0;
}
#chat .message-container.sending {
opacity: 0.75;
}
#chat .message-container .message-actions-container {
position: absolute;
top: 0.5rem;
right: 0.5rem;
display: none; /* flex; */
flex-direction: row;
}
#chat .message-container .message-actions-container .message-action {
opacity: 0;
transition: 0.2s ease-in-out;
width: 0;
height: 4rem;
overflow: hidden;
order: -1;
cursor: pointer;
margin-right: 1.25rem;
padding-top: 0.25rem;
text-align: center;
}
#chat .message-container .message-actions-container label {
cursor: pointer;
}
#chat .message-container .message-actions-container input[type="checkbox"] {
opacity: 0;
display: none;
}
#chat
.message-container
.message-actions-container
input[type="checkbox"]:checked
~ .message-action {
opacity: 1;
width: 4rem;
}
#chat .message-container .message-actions-container .message-action .action-name {
font-size: x-small;
}
#chat .message-container .info-container {
display: flex;
margin-bottom: -1.75rem;
height: 3.75rem;
}
#chat .message-container .info-container .avatar-container {
display: inline-block;
margin: 0 4px;
width: 3rem;
height: 3rem;
border-radius: 16%;
overflow: hidden;
}
#chat .message-container .info-container .avatar-container img {
width: 100%;
}
#chat .message-container .info-container .username-container {
margin: 0 4px;
font-weight: bold;
}
#chat .message-container .info-container .datetime-container {
margin: 0 4px;
}
#chat .message-container .info-container .datetime-container .long {
font-size: x-small;
text-transform: uppercase;
}
#chat .message-container .info-container .datetime-container .short {
font-size: xx-small;
visibility: hidden;
display: none;
}
#chat .message-container .message-content-container {
padding-left: 8rem;
}
#chat .embed-container {
position: relative;
width: 100%;
max-width: 640px;
}
#chat .embed-container .embed-actions-container {
position: absolute;
z-index: 100;
top: 0.25rem;
right: 0.25rem;
height: 2rem;
display: none;
visibility: hidden;
opacity: 0;
}
#chat .embed-container audio {
width: 100%;
}
#chat .embed-container.rounded {
border-radius: 6px;
}
#chat .embed-container.short {
height: 120px;
overflow: hidden;
overflow-y: auto;
}
#chat .embed-container.tidal {
border-radius: 12px;
}
#chat .embed-container.vertical {
max-width: 320px;
overflow: hidden;
aspect-ratio: 9 / 16 !important;
}
#chat .embed-container.letterbox {
/* height: 0; */
overflow: hidden;
overflow-y: auto;
/* padding-bottom: 33%; */
aspect-ratio: 16 / 9 !important;
}
#chat .embed-container.square {
overflow: hidden;
overflow-y: auto;
aspect-ratio: 1 / 1 !important;
}
#chat .embed-container iframe,
#chat .embed-container video {
position: absolute;
top: 0;
left: 0;
right: 0;
bottom: 0;
width: 100%;
height: 100%;
overflow: hidden;
border-style: none;
}
@media screen and (max-width: 768px) {
#chat .sidebar {
z-index: 100;
background: var(--bg);
position: absolute;
top: 0;
bottom: 0;
width: 100%;
left: -100%;
overflow-y: scroll;
overflow: visible;
transition: all ease-in-out 0.33s;
}
#chat .sidebar #sidebar-toggle-icon {
opacity: 1;
display: block;
position: absolute;
top: 1rem;
right: -2.5rem;
cursor: pointer;
transition: all ease-in-out 0.33s;
background: rgba(128, 128, 128, 0.5);
border-radius: 0 1rem 1rem 0;
padding: 0.5rem;
}
#chat .sidebar .icon {
transition: all ease-in-out 0.33s;
}
#chat .sidebar:has(#sidebar-toggle:checked) {
left: 0;
}
#chat .sidebar:has(#sidebar-toggle:checked) #sidebar-toggle-icon {
right: 0;
rotate: 180deg;
}
#chat #room-chat-container {
position: absolute;
top: 0;
left: 0;
right: 0;
bottom: 0;
}
#chat #room-chat-container #room-chat-entry-container,
#chat #room-chat-container #room-chat-entry-container form {
padding: 0.25rem;
}
#chat #room-chat-container #room-chat-entry-container form button,
#chat #room-chat-container #room-chat-entry-container form label {
margin: 0 0.5rem;
}
#chat .message-container .message-content-container {
padding-left: 4rem;
}
#chat .message-container .info-container .datetime-container .long {
display: none;
visibility: hidden;
}
#chat .message-container .info-container .datetime-container .short {
display: inline-block;
visibility: visible;
}
}

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public/tabs/chat/chat.html Normal file
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<div id="chat" class="tab">
<input
type="radio"
name="top-level-tabs"
id="chat-tab-input"
class="tab-switch"
data-hash="/chat"
/>
<label for="chat-tab-input" class="tab-label"
><div class="icon chat"></div>
<div class="label">Chat</div>
</label>
<div class="tab-content">
<style>
<!-- #include file="./chat.css" -->
</style>
<script src="/js/external/mimetypes.js" type="text/javascript"></script>
<script src="/js/external/punycode.js" type="text/javascript"></script>
<script src="/tabs/chat/chat.js" type="text/javascript"></script>
<div class="sidebar resizable">
<input type="checkbox" id="sidebar-toggle" />
<label id="sidebar-toggle-icon" for="sidebar-toggle">
<div class="icon right"></div>
</label>
<div id="room-creation-container" data-requires-permission="rooms.create">
<button
id="toggle-room-creation-form-button"
onclick="((event) => {
event.preventDefault();
const room_create_form = document.getElementById( 'room-create' );
room_create_form.style[ 'height' ] = room_create_form.style[ 'height' ] === '5rem' ? '0' : '5rem';
})(event)"
>
<div class="icon plus"></div>
</button>
<form
id="room-create"
data-smart="true"
action="/api/rooms"
method="POST"
style="
margin-top: 1rem;
width: 100%;
overflow: hidden;
height: 0;
overflow: hidden;
transition: all 0.5s;
"
>
<input
id="new-room-name-input"
type="text"
name="name"
value=""
placeholder="new room"
/>
<!-- <button class="primary" type="submit">
<div class="icon plus"></div>
</button> -->
<input type="submit" hidden />
<script>
{
const form = document.currentScript.closest("form");
const room_create_form = document.getElementById("room-create");
const new_room_name_input =
document.getElementById("new-room-name-input");
form.on_reply = (new_room) => {
const room_list = document.getElementById("room-list");
room_list.insertAdjacentHTML(
"beforeend",
`<li id="room-selector-${new_room.id}" class="room"><a href="#/room/${new_room.id}">${new_room.name}</a></li>`,
);
new_room_name_input.value = "";
window.location.hash = `/chat/room/${new_room.id}`;
room_create_form.style["height"] = "0";
};
}
</script>
</form>
</div>
<div>
<span class="title">chat rooms</span>
</div>
<ul id="room-list" class="room-list"></ul>
</div>
<div id="room-chat-container">
<div id="room-chat-content"></div>
<div id="room-chat-entry-container">
<form id="room-chat-entry" action="" data-smart="true" data-method="POST">
<input
id="file-upload-and-share-input"
aria-label="Upload and share file"
type="file"
name="file-upload-and-share"
multiple
/>
<label for="file-upload-and-share-input">
<div class="icon attachment"></div>
</label>
<textarea
id="room-chat-input"
class="room-chat-input"
rows="1"
name="data.message"
></textarea>
<button id="room-chat-send" class="primary" aria-label="Send a message">
<i class="icon send"></i>
</button>
<script>
{
const form = document.currentScript.closest("form");
const file_input = document.querySelector(
'input[name="file-upload-and-share"]',
);
const chat_input = document.getElementById("room-chat-input");
const room_chat_container =
document.getElementById("room-chat-container");
const room_chat_content = document.getElementById("room-chat-content");
let messages_in_flight = {};
chat_input.addEventListener("keypress", (event) => {
if (event.key === "Enter" && !event.shiftKey) {
form.requestSubmit();
}
});
form.on_submit = async (event) => {
const user = JSON.parse(document.body.dataset.user);
const room_id = room_chat_container.dataset.room_id;
if (!room_id) {
alert("Failed to get room_id!");
return false;
}
form.uploaded_urls = [];
form.errors = [];
for await (const file of file_input.files) {
const body = new FormData();
body.append("file", file, encodeURIComponent(file.name));
const file_path = `/files/users/${user.id}/${encodeURIComponent(file.name)}`;
const file_upload_response = await api.fetch(file_path, {
method: "PUT",
body,
});
if (!file_upload_response.ok) {
const error = await file_upload_response.json();
form.errors.push(error?.error?.message ?? "Unknown error.");
continue;
}
const file_url = `${window.location.protocol}//${window.location.host}${file_path}`;
form.uploaded_urls.push(file_url);
}
if (form.errors.length) {
const errors = form.errors.join("\n\n");
alert(errors);
return false;
}
const message = chat_input.value.trim();
if (form.uploaded_urls.length === 0 && message.length === 0) {
return false;
}
form.action = `/api/rooms/${room_id}/events`;
};
form.on_parsed = (json) => {
const now = new Date().toISOString();
const temp_id = `TEMP-${now}`;
json.id = temp_id;
json.type = "chat";
json.meta = {
temp_id,
};
json.timestamps = {
created: now,
updated: now,
};
if (form.uploaded_urls.length) {
json.data = json.data ?? {};
json.data.message =
(typeof json.data.message === "string" &&
json.data.message.trim().length
? json.data.message.trim() + "\n"
: "") + form.uploaded_urls.join("\n");
}
const user = JSON.parse(document.body.dataset.user);
render_text_event(room_chat_content, json, user);
document
.getElementById(`chat-${temp_id}`)
?.classList.add("sending");
};
form.on_error = (error) => {
// TODO: mark the temporary message element with the failed class?
alert(error);
chat_input.focus();
};
form.on_reply = (sent_message) => {
document
.getElementById(`chat-${sent_message.meta?.temp_id ?? ""}`)
?.classList.remove("sending");
append_room_events([sent_message]);
chat_input.value = "";
chat_input.focus();
};
}
</script>
</form>
</div>
</div>
</div>
</div>

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// wow https://stackoverflow.com/questions/3891641/regex-test-only-works-every-other-time
// watch out for places we need to set `lastIndex` ... :frown:
const URL_MATCHING_REGEX =
/(?:(?<protocol>[a-zA-Z]+):)?(?:\/\/)?(?:(?<auth>(?<username>\S.+)\:(?<password>.+))\@)?(?<host>(?:(?<hostname>[-a-zA-Z0-9\.]+)\.)?(?<domain>(?:[-a-zA-Z0-9]+?\.(?<tld>[-a-zA-Z0-9]{2,64}))|localhost)(?:\:(?<port>[0-9]{1,6}))?)\b(?<path>[-a-zA-Z0-9@:%_{}\[\]<>\(\)\+.~&\/="]*?(?<extension>\.[^\.?/#"\n<>]+)?)(?:\?(?<query>[a-zA-Z0-9!$%&<>()*+,-\.\/\:\;\=\?\@_~"]+))?(?:#(?<hash>[a-zA-Z0-9!$&'()*+,-\.\/\:\;\=\?\@_~"]*?))?(?:$|\s)/gim;
const VIDEO_ID_EXTRACTOR =
/(?<video_domain>vimeo\.com|youtu(?:be\.com|\.be|be\.googleapis\.com))(?:\/(?<action>video|embed|watch|shorts|v))?.*(?:(?:\/|v=)(?<video_id>[A-Za-z0-9._%-]*))\S*/gi;
const SPOTIFY_EXTRACTOR =
/^\/(?<item_type>(?:album|artist|episode|playlist|tracks?))\/?(?<item_id>[a-zA-Z0-9]{22})/gi;
const TIDAL_EXTRACTOR =
/^\/(?:(?<action>.*?)\/)?(?<item_type>(?:album|artist|episode|playlist|tracks?))\/(?<item_id>[0-9]+)/gi;
const URL_MATCH_HANDLERS = [
// Tidal
(link_info) => {
const is_tidal_link = ["tidal.com", "tidalhi.fi"].includes(link_info.domain?.toLowerCase());
if (!is_tidal_link) {
return;
}
TIDAL_EXTRACTOR.lastIndex = 0;
const {
groups: { action, item_type, item_id },
} = TIDAL_EXTRACTOR.exec(link_info.path ?? "") ?? { groups: {} };
if (!(item_type && item_id)) {
return;
}
return `
<div class="embed-container iframe ${item_type.toLowerCase().indexOf("track") === 0 ? "short" : "square"} tidal">
<div class="embed-actions-container">
<button class="icon plus" onclick="console.log(\"close\");"/>
<button class="icon pause" onclick="console.log(\"stop\");"/>
</div>
<iframe
src="https://embed.tidal.com/${item_type.at(-1) === "s" ? item_type : `${item_type}s`}/${item_id}"
allow="encrypted-media"
sandbox="allow-same-origin allow-scripts allow-forms allow-popups"
title="TIDAL Embed Player"
loading="lazy"
></iframe>
</div>`;
},
// Spotify
(link_info) => {
const is_spotify_link = ["spotify.com"].includes(link_info.domain?.toLowerCase());
if (!is_spotify_link) {
return;
}
SPOTIFY_EXTRACTOR.lastIndex = 0;
const {
groups: { item_type, item_id },
} = SPOTIFY_EXTRACTOR.exec(link_info.path ?? "") ?? { groups: {} };
if (!item_id) {
return;
}
return `
<div class="embed-container iframe ${!item_type || item_type.toLowerCase().indexOf("track") === 0 ? "short" : "square"} spotify rounded">
<div class="embed-actions-container">
<button class="icon plus" onclick="console.log(\"close\");"/>
<button class="icon pause" onclick="console.log(\"stop\");"/>
</div>
<iframe
src="https://open.spotify.com/embed/${item_type ?? "track"}/${item_id}"
allowfullscreen
allow="clipboard-write; encrypted-media; fullscreen; picture-in-picture"
loading="lazy"></iframe>
</div>`;
},
// YouTube
(link_info) => {
const is_youtube_link = ["youtube.com", "youtu.be", "youtube.googleapis.com"].includes(
link_info.domain?.toLowerCase(),
);
if (!is_youtube_link) {
return;
}
VIDEO_ID_EXTRACTOR.lastIndex = 0;
const {
groups: { video_domain, action, video_id },
} = VIDEO_ID_EXTRACTOR.exec(link_info.url) ?? { groups: {} };
if (!video_id) {
return;
}
return `
<div class="embed-container iframe ${action === "shorts" ? "vertical" : "letterbox"} youtube">
<div class="embed-actions-container">
<button class="icon plus" onclick="console.log(\"close\");"/>
<button class="icon pause" onclick="console.log(\"stop\");"/>
</div>
<iframe
src="https://www.youtube.com/embed/${video_id}"
title="YouTube video player"
allow="clipboard-write; encrypted-media; picture-in-picture; web-share;"
referrerpolicy="strict-origin-when-cross-origin"
allowfullscreen
loading="lazy"
></iframe>
</div>`;
},
// Vimeo
(link_info) => {
const is_vimeo_link = ["vimeo.com"].includes(link_info.domain?.toLowerCase());
if (!is_vimeo_link) {
return;
}
VIDEO_ID_EXTRACTOR.lastIndex = 0;
const {
groups: { video_domain, action, video_id },
} = VIDEO_ID_EXTRACTOR.exec(link_info.url) ?? { groups: {} };
if (!video_id) {
return;
}
return `
<div class="embed-container iframe letterbox vimeo">
<div class="embed-actions-container">
<button class="icon plus" onclick="console.log(\"close\");"/>
<button class="icon pause" onclick="console.log(\"stop\");"/>
</div>
<iframe
src="https://player.vimeo.com/video/${video_id}"
frameborder="0"
allow="fullscreen; picture-in-picture; clipboard-write; encrypted-media; web-share"
referrerpolicy="strict-origin-when-cross-origin"
title="Star Trek: Legacy"
loading="lazy"></iframe>
</div>`;
},
// linkify generic url
(link_info) => {
// TODO: punycoding if something has unicode?
// const punycode = get_punycode();
// const punycoded_url = punycode.encode(match[0]);
if (typeof link_info.extension === "string") {
const mime_types = get_mime_types(link_info.extension);
if (mime_types.length) {
if (mime_types.includes("image/gif")) {
return `<div class="embed-container image gif"><img src="${link_info.url}" alt="A gif from ${link_info.domain}" /></div>`;
}
if (mime_types.includes("video/mp4")) {
return `<div class="embed-container image gif letterbox"><video autoplay="true" muted="true" loop="true" playsinline="true"><source src="${link_info.url}" type="video/mp4"><a href="${link_info.url}">${link_info.url}</a></video></div>`;
}
if (mime_types[0].indexOf("image") === 0) {
return `<div class="embed-container image"><img src="${link_info.url}" alt="An image from ${link_info.domain}" /></div>`;
}
if (mime_types[0].indexOf("audio") === 0) {
return `
<div class="audio-container" tabindex="-1">
<audio controls>
<source src="${link_info.url}" type="${mime_types[0].indexOf("audio/mpeg") === 0 ? "audio/mpeg" : mime_types[0]}">
Your browser does not support the audio element.
</audio>
<div class="enhanced-audio-player-container">
<div class="audio-player-display-container">
<canvas class="audio-player-display"></canvas>
</div>
<div class="audio-controls-container">
<div class="progress-container">
<div class="time-container"><span class="current">00:00</span></div>
<div class="slider-container">
<input type="range" name="progress" title="" min="0" max="1000" step="1" value="0" />
<label class="time-container" for="progress"><span class="current">00:00</span></label>
</div>
<div class="time-container"><span class="duration">00:00</span></div>
</div>
<div class="buttons-container">
<div class="audio-control blank">
<a href="${link_info.url}" download>
<div class="icon download"></div>
</a>
</div>
<div class="audio-control skip-back"><div class="icon skip-back"></div></div>
<div class="audio-control play-pause-toggle"><div class="icon play"></div><div class="icon pause"></div></div>
<div class="audio-control skip-forward"><div class="icon skip-forward"></div></div>
<div class="audio-control volume">
<input type="range" name="volume" title="Volume" min="0" max="100" step="1" value="" />
</div>
</div>
</div>
</div>
</div>`;
}
}
}
return `<a href="${link_info.url}">${link_info.url}</a>`;
},
];
function message_text_to_html(input) {
let html_message = (input ?? "").replace(/\n/g, "<br/>");
let match;
URL_MATCHING_REGEX.lastIndex = 0;
while ((match = URL_MATCHING_REGEX.exec(input)) !== null) {
const url = match[0];
const {
groups: { protocol, host, hostname, domain, tld, path, extension, query, hash },
} = match;
for (const handler of URL_MATCH_HANDLERS) {
const result = handler({
url,
protocol,
host,
hostname,
domain,
tld,
path,
extension,
query,
hash,
});
if (typeof result === "string") {
html_message = html_message.replace(url, result);
break;
}
}
}
return html_message;
}
const time_tick_tock_timeout = 60 * 1000; // 1 minute
let last_event_datetime_value = 0;
let time_tick_tock_class = "time-tock";
let last_creator_id = null;
let user_tick_tock_class = "user-tock";
function render_text_event(room_chat_content, event, creator, existing_element) {
const event_datetime = datetime_to_local(event.timestamps.created);
if (event_datetime.value - last_event_datetime_value > time_tick_tock_timeout) {
time_tick_tock_class = time_tick_tock_class === "time-tick" ? "time-tock" : "time-tick";
}
last_event_datetime_value = event_datetime.value;
if (last_creator_id !== creator.id) {
user_tick_tock_class = user_tick_tock_class === "user-tick" ? "user-tock" : "user-tick";
last_creator_id = creator.id;
}
const message_id = event.id.substring(0, 49);
const html_content = `<div id="chat-${message_id}" class="message-container ${user_tick_tock_class} ${time_tick_tock_class}" data-creator_id="${creator.id}">
<div class="message-actions-container">
<input
type="checkbox"
id="show_message_actions-${message_id}"
class="message-actions-display-toggle"
/>
<label for="show_message_actions-${message_id}" class="message-actions-display-toggle-label"
><div class="icon more"></div>
</label>
<div class="message-action" data-action="reply"><i class="icon reply"></i><span class="action-name">Reply</span></div>
<div class="message-action" data-action="forward_copy"><i class="icon forward-copy"></i><span class="action-name">Forward (Copy Link)</span></div>
<div class="message-action" data-action="delete"><i class="icon trash"></i><span class="action-name">Delete</span></div>
</div>
<div class="info-container">
<div class="avatar-container">
<img src="${creator.meta?.avatar ?? "/images/default_avatar.gif"}" alt="user avatar" />
</div>
<div class="username-container">
<span class="username">${creator.username ?? "unknown"}</span>
</div>
<div class="datetime-container">
<span class="long">${event_datetime.long}</span>
<span class="short">${event_datetime.short}</span>
</div>
</div>
<div class="message-content-container">${message_text_to_html(event.data.message)}</div>
</div>`;
if (existing_element) {
const template = document.createElement("template");
template.innerHTML = html_content;
existing_element.replaceWith(template.content.firstChild);
} else {
room_chat_content.insertAdjacentHTML("beforeend", html_content);
}
}
async function get_new_room_element() {
const existing_new_room_element = document.getElementById("new-room");
if (existing_new_room_element) {
return existing_new_room_element;
}
const room_list = document.getElementById("room-list");
room_list.insertAdjacentHTML(
"beforeend",
`<li id="new-room" class="room"><a href="" contenteditable="true">new room</a></li>`,
);
await new Promise((resolve) => setTimeout(resolve, 1));
const new_room_element = document.getElementById("new-room");
return new_room_element;
}
const users = {};
async function append_room_events(events) {
const room_chat_content = document.getElementById("room-chat-content");
let last_message_id = room_chat_content.dataset.last_message_id ?? "";
for (const event of events) {
// if the last message is undefined, it becomes this event, otherwise, if this event's id is newer,
// it becomes the latest message
last_message_id =
event.id > last_message_id && event.id.indexOf("TEMP") !== 0
? event.id
: last_message_id;
// if the last message has been updated, update the content's dataset to reflect that
if (last_message_id !== room_chat_content.dataset.last_message_id) {
room_chat_content.dataset.last_message_id = last_message_id;
}
users[event.creator_id] =
users[event.creator_id] ??
(await (await api.fetch(`/api/users/${event.creator_id}`)).json());
const existing_element =
document.getElementById(`chat-${event.id.substring(0, 49)}`) ??
(event.meta?.temp_id
? document.getElementById(`chat-${event.meta.temp_id}`)
: undefined);
render_text_event(room_chat_content, event, users[event.creator_id], existing_element);
}
room_chat_content.scrollTop = room_chat_content.scrollHeight;
}
// TODO: we need some abortcontroller handling here or something
// similar for when we change rooms, this is the most basic
// first pass outline
let room_polling_request_abort_controller = null;
async function poll_for_new_events() {
const room_chat_content = document.getElementById("room-chat-content");
const room_id = room_chat_content.dataset.room_id;
const last_message_id = room_chat_content.dataset.last_message_id;
if (!room_id) {
return;
}
const message_polling_url = `/api/rooms/${room_id}/events?type=chat&limit=100&sort=newest&wait=true${last_message_id ? `&after_id=${last_message_id}` : ""}`;
room_polling_request_abort_controller =
room_polling_request_abort_controller || new AbortController();
api.fetch(message_polling_url, {
signal: room_polling_request_abort_controller.signal,
})
.then(async (new_events_response) => {
const new_events = ((await new_events_response.json()) ?? []).reverse();
await append_room_events(new_events.toReversed());
poll_for_new_events(room_id);
})
.catch((error) => {
// TODO: poll again? back off?
console.error(error);
});
}
async function load_room(room_id) {
const room_chat_content = document.getElementById("room-chat-content");
if (room_polling_request_abort_controller) {
room_polling_request_abort_controller.abort();
room_polling_request_abort_controller = null;
delete room_chat_content.dataset.last_message_id;
}
const room_response = await api.fetch(`/api/rooms/${room_id}`);
if (!room_response.ok) {
const error = await room_response.json();
alert(error.message ?? JSON.stringify(error));
return;
}
const room = await room_response.json();
room_chat_content.dataset.room_id = room.id;
room_chat_content.innerHTML = "";
const room_selectors = document.querySelectorAll("li.room");
for (const room_selector of room_selectors) {
room_selector.classList.remove("active");
if (room_selector.id === `room-selector-${room_id}`) {
room_selector.classList.add("active");
}
}
const events_response = await api.fetch(
`/api/rooms/${room_id}/events?type=chat&limit=100&sort=newest`,
);
if (!events_response.ok) {
const error = await events_response.json();
alert(error.message ?? JSON.stringify(error));
return;
}
const events = (await events_response.json()).reverse();
await append_room_events(events);
poll_for_new_events(room_id);
}
let last_room_update = undefined;
async function update_chat_rooms() {
const now = new Date();
const time_since_last_update = now - (last_room_update ?? 0);
if (time_since_last_update < 5_000) {
return;
}
const rooms_response = await api.fetch("/api/rooms");
if (rooms_response.ok) {
const room_list = document.getElementById("room-list");
room_list.innerHTML = "";
const rooms = await rooms_response.json();
for (const room of rooms) {
room_list.insertAdjacentHTML(
"beforeend",
`<li id="room-selector-${room.id}" class="room"><a href="#/chat/room/${room.id}">${room.name}</a></li>`,
);
}
last_room_update = now;
}
}
window.addEventListener("locationchange", update_chat_rooms);
function check_for_room_in_url() {
const user_json = document.body.dataset.user;
if (!user_json) {
return;
}
const hash = window.location.hash;
const chat_in_url = hash.indexOf("#/chat") === 0;
if (!chat_in_url) {
return;
}
const first_room_id = document.querySelector("li.room")?.id.substring(14);
// #/chat/room/{room_id}
// ^ 12
const room_id = hash.substring(12) || first_room_id;
if (!room_id) {
setTimeout(check_for_room_in_url, 100);
return;
}
const room_chat_container = document.getElementById("room-chat-container");
if (room_chat_container.dataset.room_id !== room_id) {
window.location.hash = `/chat/room/${room_id}`;
room_chat_container.dataset.room_id = room_id;
load_room(room_id);
}
}
window.addEventListener("locationchange", check_for_room_in_url);
document.addEventListener("DOMContentLoaded", async () => {
await update_chat_rooms();
check_for_room_in_url();
});

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