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feature: try to get chat to actually work

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Andy Burke 2025-07-11 18:33:32 -07:00
parent 51acbef35f
commit 013e30264f
13 changed files with 1203 additions and 631 deletions
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2
public/tabs/profile.html
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@ -65,7 +65,7 @@
<script>
{
const form = document.currentScript.closest("form");
form.on_response = (response) => {
form.on_reply = (response) => {
if (!response.deleted) {
alert("error logging out? please reload.");
return;

3
public/tabs/tabs.html
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@ -82,7 +82,6 @@
left: 0;
right: 0;
bottom: 0;
padding: 1rem 1rem 0 1rem;
opacity: 0;
transition: all 0.35s;
border-top: 1px solid var(--border-subtle);
@ -128,7 +127,7 @@
<div class="tabs">
<!-- #include file="./home.html" -->
<!-- #include file="./talk.html" -->
<!-- #include file="./talk/talk.html" -->
<!-- #include file="./exchange.html" -->
<!-- #include file="./work.html" -->
<!-- #include file="./resources.html" -->

547
public/tabs/talk.html
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@ -1,547 +0,0 @@
<div id="talk" class="tab">
<input
type="radio"
name="top-level-tabs"
id="talk-tab-input"
class="tab-switch"
data-hash="/talk"
/>
<label for="talk-tab-input" class="tab-label"
><div class="icon talk"></div>
<div class="label">Talk</div>
</label>
<div class="tab-content">
<style>
#talk .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);
}
#talk .sidebar {
position: relative;
min-width: 10rem;
}
#talk .sidebar .title {
text-transform: uppercase;
font-size: small;
font-weight: bold;
line-height: 2rem;
}
#talk #room-create {
position: absolute;
top: 0.5rem;
right: 0.5rem;
}
#talk #room-chat-container {
position: relative;
}
#talk #room-chat-content {
padding-bottom: 5rem;
}
#talk #room-chat-entry-container {
position: absolute;
bottom: 0;
left: 0;
right: 0;
height: 5rem;
padding: 1rem;
}
#talk #room-chat-entry-container form {
position: absolute;
top: 0;
left: 0;
right: 0;
bottom: 0;
display: flex;
flex-direction: row;
padding: 0.75rem;
}
#talk #room-chat-entry-container form button {
width: inherit;
padding: inherit;
margin: 0 1rem;
}
#talk #room-chat-entry-container form textarea {
flex-grow: 1;
background: inherit;
color: inherit;
}
#talk .message-container {
display: flex;
flex-direction: row;
transition: all 0.33s;
}
#talk .message-container.sending {
opacity: 0.75;
}
#talk .message-container .info-container {
width: 8rem;
}
#talk .message-container .info-container .avatar-container {
display: block;
margin: 0 auto;
width: 3rem;
height: 3rem;
border-radius: 16%;
overflow: hidden;
}
#talk .message-container .info-container .avatar-container img {
width: 100%;
}
#talk .message-container .info-container .datetime-container,
#talk .message-container .info-container .username-container {
text-align: center;
}
#talk .message-container .info-container .datetime-container .long {
visibility: hidden;
display: none;
}
#talk .message-container .info-container .datetime-container .short {
font-weight: bold;
font-size: x-small;
}
</style>
<script>
function render_text_event(event, creator) {
const event_datetime = datetime_to_local(event.timestamps.created);
return `<div id="${event.id}" class="message-container sending from-user-${creator.id}">
<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">${event.data.message}</div>
</div>`;
}
</script>
<div class="sidebar resizable">
<div id="room-create" class="clickable" data-requires-permission="rooms.create">
<div class="icon plus"></div>
<script>
async function get_new_room_element() {
const existing_new_room_element = document.getElementById("new-room");
if (existing_new_room_element) {
return existing_new_room_element;
}
const room_list = document.getElementById("room-list");
room_list.insertAdjacentHTML(
"beforeend",
`<li id="new-room" class="room"><a href="" contenteditable="true">new room</a></li>`,
);
await new Promise((resolve) => setTimeout(resolve, 1));
const new_room_element = document.getElementById("new-room");
return new_room_element;
}
const users = {};
async function append_room_events(events) {
const room_chat_content = document.getElementById("room-chat-content");
let last_message_id = undefined;
for (const event of events) {
// if the last message is undefined, it becomes this event, otherwise, if this event's id is newer,
// it becomes the latest message
last_message_id =
last_message_id === undefined
? event.id
: event.id > last_message_id
? event.id
: last_message_id;
// if the last message has been updated, update the content's dataset to reflect that
if (last_message_id !== room_chat_content.dataset.last_message_id) {
room_chat_content.dataset.last_message_id = last_message_id;
}
users[event.creator_id] =
users[event.creator_id] ??
(await (await api.fetch(`/api/users/${event.creator_id}`)).json());
console.dir({
users,
events,
});
room_chat_content.insertAdjacentHTML(
"beforeend",
render_text_event(event, users[event.creator_id]),
);
}
}
// 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=${last_message_id}` : ""}`;
room_polling_request_abort_controller =
room_polling_request_abort_controller || new AbortController();
api.fetch(message_polling_url, {
signal: room_polling_request_abort_controller.signal,
})
.then(async (new_events_response) => {
const new_events = await new_events_response.json();
console.dir({
room_id,
new_events_response,
new_events,
});
append_room_events(new_events);
poll_for_new_events(room_id);
})
.catch((error) => {
// TODO: poll again? back off?
console.error(error);
});
}
async function load_room(room_id) {
const room_chat_content = document.getElementById("room-chat-content");
if (room_polling_request_abort_controller) {
room_polling_request_abort_controller.abort();
room_polling_request_abort_controller = null;
delete room_chat_content.dataset.last_message_id;
}
const room_response = await api.fetch(`/api/rooms/${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();
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-${room.id}" class="room"><a href="#/talk/room/${room.id}">${room.name}</a></li>`,
);
}
last_room_update = now;
}
}
window.addEventListener("locationchange", update_chat_rooms);
function check_for_room_in_url() {
const user_json = document.body.dataset.user;
if (!user_json) {
return;
}
const hash = window.location.hash;
const talk_in_url = hash.indexOf("#/talk") === 0;
if (!talk_in_url) {
return;
}
const first_room_id = document.querySelector("li.room")?.id.substring(14);
// #/talk/room/{room_id}
// ^ 12
const room_id = hash.substring(12) || first_room_id;
if (!room_id) {
setTimeout(check_for_room_in_url, 100);
return;
}
const room_chat_container = document.getElementById("room-chat-container");
if (room_chat_container.dataset.room_id !== room_id) {
window.location.hash = `/talk/room/${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();
});
// TODO: this should be moved to be handled by a smartform
document.addEventListener("DOMContentLoaded", async () => {
const chat_input = document.getElementById("room-chat-input");
async function on_send_message(event) {
event.preventDefault();
chat_input.disabled = true;
const message = chat_input.value.trim();
if (!message) {
chat_input.disabled = false;
return;
}
const room_chat_container =
document.getElementById("room-chat-container");
const room_chat_content = document.getElementById("room-chat-content");
const room_id = room_chat_container.dataset.room_id;
if (!room_id) {
alert("Failed to get room_id!");
chat_input.disabled = false;
return;
}
const now = new Date().toISOString();
const message_event = {
id: `TEMP-${now}`,
type: "chat",
data: {
message,
},
timestamps: {
created: now,
updated: now,
},
};
const user = JSON.parse(document.body.dataset.user);
room_chat_content.insertAdjacentHTML(
"beforeend",
render_text_event(message_event, user),
);
const event_response = await api.fetch(`/api/rooms/${room_id}/events`, {
method: "POST",
json: message_event,
});
if (!event_response.ok) {
alert("FAIL");
chat_input.disabled = false;
return;
}
const authoritative_message_event = await event_response.json();
const temp_message = document.getElementById(message_event.id);
temp_message.remove();
// temp_message.id = authoritative_message_event.id;
// temp_message.classList.remove("sending");
// const local_datetime = datetime_to_local(
// authoritative_message_event.timestamps.created,
// );
// const long_time = temp_message.querySelector(
// ".datetime-container .long",
// );
// const short_time = temp_message.querySelector(
// ".datetime-container .short",
// );
// long_time.innerHTML = local_datetime.long;
// short_time.innerHTML = local_datetime.short;
append_room_events([authoritative_message_event]);
chat_input.value = "";
chat_input.disabled = false;
}
const send_button = document.getElementById("room-chat-send");
send_button.addEventListener("click", on_send_message);
chat_input.addEventListener("keypress", (event) => {
if (event.key === "Enter" && !event.shiftKey) {
on_send_message(event);
}
});
const room_create_button = document.getElementById("room-create");
room_create_button.addEventListener("click", async (event) => {
event.preventDefault();
const new_room_element = await get_new_room_element();
const editable = new_room_element.querySelector("[contenteditable]");
editable.focus();
if (document.body.createTextRange) {
const range = document.body.createTextRange();
range.moveToElementText(editable);
range.select();
} else if (window.getSelection) {
const selection = window.getSelection();
const range = document.createRange();
range.selectNodeContents(editable);
selection.removeAllRanges();
selection.addRange(range);
}
editable.addEventListener("keypress", (event) => {
if (event.keyCode !== 13) {
return;
}
event.preventDefault();
editable.blur();
});
editable.addEventListener("focusout", async () => {
const name = editable.textContent ?? editable.innerText;
const new_room_response = await api.fetch("/api/rooms", {
method: "POST",
json: {
name,
},
});
if (!new_room_response.ok) {
const error = await new_room_response.json();
console.dir({ error });
alert(error.message ?? "unknown error!");
return;
}
const new_room = await new_room_response.json();
new_room_element.remove();
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}">${new_room.name}</a></li>`,
);
window.location.hash = `/talk/room/${new_room.id}`;
});
});
check_for_room_in_url();
});
</script>
</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 action="">
<button aria-label="Attach file">
<i class="icon attachment"></i>
</button>
<textarea id="room-chat-input" class="room-chat-input" rows="1"></textarea>
<button id="room-chat-send" class="primary" aria-label="Send a message">
<i class="icon send"></i>
</button>
</form>
</div>
</div>
</div>
</div>

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public/tabs/talk/talk.css Normal file
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@ -0,0 +1,181 @@
#talk .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);
}
#talk .sidebar {
position: relative;
width: min-content;
min-width: 10rem;
max-width: 32rem;
overflow-x: scroll;
padding: 0.5rem;
}
#talk .sidebar .title {
text-transform: uppercase;
font-size: small;
font-weight: bold;
line-height: 2rem;
}
#talk #room-chat-container {
position: relative;
}
#talk #room-chat-content {
overflow-y: scroll;
position: absolute;
top: 0;
left: 0;
right: 0;
bottom: 5rem;
}
#talk #room-chat-entry-container {
position: absolute;
bottom: 0;
left: 0;
right: 0;
height: 5rem;
padding: 1rem;
}
#talk #room-chat-entry-container form {
position: absolute;
top: 0;
left: 0;
right: 0;
bottom: 0;
display: flex;
flex-direction: row;
padding: 0.75rem;
}
#talk #room-chat-entry-container form button {
width: inherit;
padding: inherit;
margin: 0 1rem;
}
#talk #room-chat-entry-container form textarea {
flex-grow: 1;
background: inherit;
color: inherit;
}
#talk .message-container {
transition: all 0.33s;
background: rgba(255, 255, 255, 0.03);
margin-top: 0.75rem;
padding: 2px;
border-radius: 4px;
}
#talk .message-container.user-tick.time-tick + .message-container.user-tick.time-tick,
#talk .message-container.user-tick.time-tock + .message-container.user-tick.time-tock,
#talk .message-container.user-tock.time-tick + .message-container.user-tock.time-tick,
#talk .message-container.user-tock.time-tock + .message-container.user-tock.time-tock {
margin-top: 0;
padding: 0 2px;
}
#talk
.message-container.user-tick.time-tick
+ .message-container.user-tick.time-tick
.info-container,
#talk
.message-container.user-tick.time-tock
+ .message-container.user-tick.time-tock
.info-container,
#talk
.message-container.user-tock.time-tick
+ .message-container.user-tock.time-tick
.info-container,
#talk
.message-container.user-tock.time-tock
+ .message-container.user-tock.time-tock
.info-container {
opacity: 0;
visibility: hidden;
height: 0;
margin: 0;
}
#talk .message-container.sending {
opacity: 0.75;
}
#talk .message-container .info-container {
display: flex;
margin-bottom: -1.5rem;
height: 3.75rem;
}
#talk .message-container .info-container .avatar-container {
display: inline-block;
margin: 0 4px;
width: 3rem;
height: 3rem;
border-radius: 16%;
overflow: hidden;
}
#talk .message-container .info-container .avatar-container img {
width: 100%;
}
#talk .message-container .info-container .username-container {
margin: 0 4px;
font-weight: bold;
}
#talk .message-container .info-container .datetime-container {
margin: 0 4px;
}
#talk .message-container .info-container .datetime-container .long {
font-size: x-small;
text-transform: uppercase;
}
#talk .message-container .info-container .datetime-container .short {
font-size: xx-small;
visibility: hidden;
display: none;
}
#talk .message-container .message-content-container {
padding-left: 8rem;
}

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public/tabs/talk/talk.html Normal file
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@ -0,0 +1,175 @@
<div id="talk" class="tab">
<input
type="radio"
name="top-level-tabs"
id="talk-tab-input"
class="tab-switch"
data-hash="/talk"
/>
<label for="talk-tab-input" class="tab-label"
><div class="icon talk"></div>
<div class="label">Talk</div>
</label>
<div class="tab-content">
<style>
<!-- #include file="./talk.css" -->
</style>
<script src="./js/external/punycode.js" type="text/javascript"></script>
<script>
<!-- #include file="./talk.js" -->
</script>
<div class="sidebar resizable">
<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}">${new_room.name}</a></li>`,
);
new_room_name_input.value = "";
window.location.hash = `/talk/room/${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">
<button aria-label="Attach file">
<i class="icon attachment"></i>
</button>
<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 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 = (event) => {
const message = chat_input.value.trim();
if (message.length === 0) {
return false;
}
const room_id = room_chat_container.dataset.room_id;
if (!room_id) {
alert("Failed to get room_id!");
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,
};
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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public/tabs/talk/talk.js Normal file
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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}))(?:\:(?<port>[0-9]{1,6}))?)\b(?<path>[-a-zA-Z0-9@:%_{}\[\]<>\(\)\+.~&\/="]*)(?:\?(?<query>[a-zA-Z0-9!$%&<>()*+,-\.\/\:\;\=\?\@_~"]+))?(?:#(?<hash>[a-zA-Z0-9!$&'()*+,-\.\/\:\;\=\?\@_~"]*?))?/gm;
const URL_MATCH_HANDLERS = [
(match) => {
// console.dir(match);
return;
},
// url
(match) => {
// TODO: punycoding if something has unicode?
// const punycode = get_punycode();
// const punycoded_url = punycode.encode(match[0]);
const groups = match.groups ?? {};
return `<a href="${groups.protocol ?? "http"}://${groups.host ?? ""}${groups.path ? `/${groups.path}` : ""}${groups.query ? `?${groups.query}` : ""}${groups.hash ? `#${groups.hash}` : ""}">${match[0]}</a>`;
},
];
function message_text_to_html(input) {
let html_message = input;
let match;
while ((match = URL_MATCHING_REGEX.exec(input)) !== null) {
for (const handler of URL_MATCH_HANDLERS) {
const result = handler(match);
if (typeof result === "string") {
html_message = html_message.replace(match[0], result);
}
}
}
return html_message;
}
const time_tick_tock_timeout = 60 * 1000; // 1 minute
let last_event_datetime_value = 0;
let time_tick_tock_class = "time-tock";
let last_creator_id = null;
let user_tick_tock_class = "user-tock";
function render_text_event(room_chat_content, event, creator, existing_element) {
const event_datetime = datetime_to_local(event.timestamps.created);
if (event_datetime.value - last_event_datetime_value > time_tick_tock_timeout) {
time_tick_tock_class = time_tick_tock_class === "time-tick" ? "time-tock" : "time-tick";
}
last_event_datetime_value = event_datetime.value;
if (last_creator_id !== creator.id) {
user_tick_tock_class = user_tick_tock_class === "user-tick" ? "user-tock" : "user-tick";
last_creator_id = creator.id;
}
const html_content = `<div id="chat-${event.id}" class="message-container ${user_tick_tock_class} ${time_tick_tock_class}" data-creator_id="${creator.id}">
<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-${event.id}`) ??
(event.meta?.temp_id
? document.getElementById(`chat-${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-${room.id}" class="room"><a href="#/talk/room/${room.id}">${room.name}</a></li>`,
);
}
last_room_update = now;
}
}
window.addEventListener("locationchange", update_chat_rooms);
function check_for_room_in_url() {
const user_json = document.body.dataset.user;
if (!user_json) {
return;
}
const hash = window.location.hash;
const talk_in_url = hash.indexOf("#/talk") === 0;
if (!talk_in_url) {
return;
}
const first_room_id = document.querySelector("li.room")?.id.substring(14);
// #/talk/room/{room_id}
// ^ 12
const room_id = hash.substring(12) || first_room_id;
if (!room_id) {
setTimeout(check_for_room_in_url, 100);
return;
}
const room_chat_container = document.getElementById("room-chat-container");
if (room_chat_container.dataset.room_id !== room_id) {
window.location.hash = `/talk/room/${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();
});