feature/refactor: smartfeeds to reduce the client complexity

This commit is contained in:
Andy Burke 2025-10-10 16:39:44 -07:00
parent 46090d944a
commit f6cd05beac
19 changed files with 782 additions and 800 deletions

View file

@ -150,158 +150,66 @@
<!-- #include file="./new_blurb.html" -->
<div id="blurbs-list"></div>
<script>
const blurbs_list = document.getElementById("blurbs-list");
<div
id="blurbs-list"
data-feed
data-precheck="!!document.body.dataset.user && document.body.dataset.user.indexOf( 'topics.blurbs.read' ) !== -1"
data-source="/api/topics/${ document.body.dataset.topic }/events?type=blurb&limit=100&sort=newest&wait=true&after_id=${ feed.__newest_id ?? 'blurb:able-able-able-able-able-able-able-able-able-able' }"
data-longpolling="true"
data-reverse="true"
data-insert="prepend"
data-autoscroll="true"
>
<script>
{
const feed = document.currentScript.closest("[data-feed]");
async function render_blurb(blurb, position = "afterbegin") {
const creator = await USERS.get(blurb.creator_id);
const existing_element =
document.getElementById(blurb.id) ??
document.getElementById(blurb.meta?.temp_id ?? "") ??
document.querySelector(`[data-temp_id="${blurb.meta?.temp_id ?? ""}"]`);
const blurb_datetime = datetime_to_local(blurb.timestamps.created);
document.addEventListener("topic_changed", () => { feed.__reset && feed.__reset(); });
document.addEventListener("user_logged_in", () => { feed.__reset && feed.__reset(); });
const html_content = `<div class="blurb-container" data-creator_id="${creator.id}" data-blurb_id="${blurb.id}" data-temp_id="${blurb.meta?.temp_id ?? ""}">
feed.__target_element = (item) => {
return (
document.querySelector(
`.blurb-container[data-blurb_id='${item.parent_id}'] > .replies-container`,
) ?? feed
);
};
feed.__context = async (item) => {
const blurb_datetime = datetime_to_local(item.timestamps.created);
return {
blurb: item,
creator: await USERS.get(item.creator_id),
blurb_datetime
};
};
}
</script>
<template>
<div id="${ context.blurb.id }" class="blurb-container" data-creator_id="${context.creator.id}" data-blurb_id="${context.blurb.id}" data-temp_id="${context.blurb.meta?.temp_id ?? ""}">
<div class="media-preview-container">
${blurb.data?.media?.length ? blurb.data.media.map((url) => `<img src="${url}" />`).join("\n") : ""}
${context.blurb.data?.media?.length ? context.blurb.data.media.map(function(url) { return `<img src='${url}' />`; }).join('\n') : ''}
</div>
<div class="info-container">
<div class="avatar-container">
<img src="${creator.meta?.avatar ?? "/images/default_avatar.gif"}" alt="user avatar" />
<img src="${context.creator.meta?.avatar ?? '/images/default_avatar.gif'}" alt="user avatar" />
</div>
<div class="username-container">
<span class="username">${creator.username}</span>
<span class="username">${context.creator.username}</span>
</div>
<div class="datetime-container">
<span class="long">${blurb_datetime.long}</span>
<span class="short">${blurb_datetime.short}</span>
<span class="long">${context.blurb_datetime.long}</span>
<span class="short">${context.blurb_datetime.short}</span>
</div>
</div>
<div class="content-container">${md_to_html(blurb.data.blurb)}</div>
<div class="content-container">${htmlify(md_to_html(context.blurb.data.blurb))}</div>
<!-- #include file="./new_blurb.html" -->
<div class="replies-container"></div>
</div>`;
if (existing_element) {
const template = document.createElement("template");
template.innerHTML = html_content;
existing_element.replaceWith(template.content.firstChild);
existing_element.classList.remove("sending");
} else {
const target_container =
document.querySelector(
`.blurb-container[data-blurb_id='${blurb.parent_id}'] > .replies-container`,
) ?? blurbs_list;
target_container.insertAdjacentHTML(position, html_content);
}
const new_blurb_forms = document.querySelectorAll(".blurb-creation-form");
for (const new_blurb_form of new_blurb_forms) {
new_blurb_form.action =
"/api/topics/" + document.body.dataset?.topic + "/events";
}
blurbs_list.scrollTop = 0;
}
// TODO: we need some abortcontroller handling here or something
// similar for when we change topics, this is the most basic
// first pass outline
let blurb_polling_abort_controller = null;
async function poll_for_new_blurbs() {
const blurbs_list = document.getElementById("blurbs-list");
const topic_id = document.body.dataset.topic;
const last_blurb_id = blurbs_list.dataset.last_blurb_id;
if (!topic_id) {
return;
}
const message_polling_url = `/api/topics/${topic_id}/events?type=blurb&limit=100&sort=newest&wait=true${last_blurb_id ? `&after_id=${last_blurb_id}` : ""}`;
blurb_polling_abort_controller =
blurb_polling_abort_controller || new AbortController();
api.fetch(message_polling_url, {
signal: blurb_polling_abort_controller.signal,
})
.then(async (new_events_response) => {
const new_events = (await new_events_response.json()) ?? [];
for await (const blurb of new_events.reverse()) {
await render_blurb(blurb);
}
const last_blurb_id = new_events.reduce((_last_blurb_id, blurb) => {
return blurb.id > _last_blurb_id && blurb.id.indexOf("TEMP") < 0
? blurb.id
: _last_blurb_id;
}, blurbs_list.dataset.last_blurb_id ?? "");
// if the last blurb has been updated, update the content's dataset to reflect that
if (last_blurb_id !== blurbs_list.dataset.last_blurb_id) {
blurbs_list.dataset.last_blurb_id = last_blurb_id;
}
poll_for_new_blurbs(topic_id);
})
.catch((error) => {
// TODO: poll again? back off?
console.error(error);
});
}
async function load_active_topic_for_blurbs(event) {
const topic_id = event?.detail?.topic_id ?? document.body.dataset.topic;
if (!topic_id) return;
const user = document.body.dataset.user
? JSON.parse(document.body.dataset.user)
: null;
if (!user) return;
const blurbs_list = document.getElementById("blurbs-list");
if (blurb_polling_abort_controller) {
blurb_polling_abort_controller.abort();
blurb_polling_abort_controller = null;
delete blurbs_list.dataset.last_blurb_id;
}
const topic_response = await api.fetch(`/api/topics/${topic_id}`);
if (!topic_response.ok) {
const error = await topic_response.json();
alert(error.message ?? JSON.stringify(error));
return;
}
const topic = await topic_response.json();
blurbs_list.innerHTML = "";
const events_response = await api.fetch(
`/api/topics/${topic_id}/events?type=blurb&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();
for await (const blurb of events.reverse()) {
await render_blurb(blurb, "afterbegin");
}
poll_for_new_blurbs();
}
document.addEventListener("topic_changed", load_active_topic_for_blurbs);
document.addEventListener("user_logged_in", load_active_topic_for_blurbs);
</script>
</div>
</template>
</div>
</div>
</div>
</div>

View file

@ -1,4 +1,8 @@
<style>
.new-blurb-container {
margin-bottom: 2rem;
}
.new-blurb-container input[type="file"] {
display: none;
visibility: hidden;
@ -36,8 +40,9 @@
width: 100%;
transition: all 0.5s;
"
on_reply="async (blurb) => { await render_blurb(blurb); }"
on_parsed="async (blurb) => { await render_blurb(blurb); document.getElementById(blurb.id)?.classList.add('sending'); }"
url="/api/topics/${ document.body.dataset.topic }/events"
on_reply="async (event) => { await document.getElementById( 'blurbs-list' ).__render(event); document.getElementById(event.id)?.classList.remove('sending'); }"
on_parsed="async (event) => { await document.getElementById( 'blurbs-list' ).__render(event); document.getElementById(event.id)?.classList.add('sending'); }"
>
<input type="hidden" name="type" value="blurb" />

View file

@ -73,6 +73,10 @@
border-radius: var(--border-radius);
}
#chat .message-container .html-from-markdown {
padding: 0;
}
#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,

View file

@ -1,175 +1,3 @@
<script>
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";
async function render_chat_event(event, position = "beforeend") {
const creator = await USERS.get(event.creator_id);
const existing_element =
document.getElementById(event.id) ??
document.getElementById(event.meta?.temp_id ?? "") ??
document.querySelector(`[data-temp_id="${event.meta?.temp_id ?? ""}" ]`);
const event_datetime = datetime_to_local(event.timestamps.created);
if (event_datetime.value - last_event_datetime_value > time_tick_tock_timeout) {
time_tick_tock_class = time_tick_tock_class === "time-tick" ? "time-tock" : "time-tick";
}
last_event_datetime_value = event_datetime.value;
if (last_creator_id !== creator.id) {
user_tick_tock_class = user_tick_tock_class === "user-tick" ? "user-tock" : "user-tick";
last_creator_id = creator.id;
}
const html_content = `<div id="${event.id}" class="message-container ${user_tick_tock_class} ${time_tick_tock_class}" data-creator_id="${creator.id}" data-temp_id="${event.meta?.temp_id ?? ""}">
<div class="message-actions-container">
<input
type="checkbox"
id="show_message_actions-${event.id}"
class="message-actions-display-toggle"
/>
<label class="message-actions-display-toggle-label" for="show_message_actions-${event.id}">
<div class="icon more-borderless"></div>
</label>
<button class="message-action mockup" data-action="react"><i class="icon circle"></i><span class="action-name">React</span></button>
<button class="message-action" data-action="reply" onclick="document.getElementById( 'parent-id' ).value = '${event.id}';"><i class="icon reply"></i><span class="action-name">Reply</span></button>
<button class="message-action mockup" data-action="forward_copy"><i class="icon forward-copy"></i><span class="action-name">Copy Link</span></button>
<button class="message-action mockup" data-action="delete"><i class="icon trash"></i><span class="action-name">Delete</span></button>
</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">${htmlify(event.data.content)}</div>
<div class="message-media-container">${htmlify(event.data.media?.join("\n") ?? "")}</div>
</div>`;
if (existing_element) {
const template = document.createElement("template");
template.innerHTML = html_content;
existing_element.replaceWith(template.content.firstChild);
} else {
// TODO: threading
document.getElementById("chat-content")?.insertAdjacentHTML(position, html_content);
}
}
async function handle_chat_events(events) {
if (!Array.isArray(events)) {
debugger;
console.warn("got unexpected value for handle_chat_events `events` argument.");
return;
}
const topic_chat_content = document.getElementById("chat-content");
const sorted = events.sort((lhs, rhs) => lhs.id.localeCompare(rhs.id));
for await (const event of sorted) {
await render_chat_event(event);
}
const last_message_id = sorted.reduce((_last_message_id, event) => {
return event.id > _last_message_id && event.id.indexOf("TEMP") < 0
? event.id
: _last_message_id;
}, topic_chat_content.dataset.last_message_id ?? "");
// if the last blurb has been updated, update the content's dataset to reflect that
if (last_message_id !== topic_chat_content.dataset.last_message_id) {
topic_chat_content.dataset.last_message_id = last_message_id;
}
setTimeout(() => {
topic_chat_content.scrollTop = topic_chat_content.scrollHeight;
}, 50);
}
// TODO: we need some abortcontroller handling here or something
// similar for when we change topics, this is the most basic
// first pass outline
let topic_polling_request_abort_controller = null;
async function poll_for_new_chat_events() {
const topic_chat_content = document.getElementById("chat-content");
const topic_id = document.body.dataset.topic;
const last_message_id = topic_chat_content.dataset.last_message_id;
if (!topic_id) {
return;
}
const message_polling_url = `/api/topics/${topic_id}/events?type=chat&limit=100&sort=newest&wait=true${last_message_id ? `&after_id=${last_message_id}` : ""}`;
topic_polling_request_abort_controller =
topic_polling_request_abort_controller || new AbortController();
api.fetch(message_polling_url, {
signal: topic_polling_request_abort_controller.signal,
})
.then(async (new_events_response) => {
const new_events = await new_events_response.json();
handle_chat_events(new_events);
poll_for_new_chat_events(topic_id);
})
.catch((error) => {
// TODO: poll again? back off?
console.error(error);
});
}
async function load_active_topic_for_chat(event) {
const topic_id = event?.detail?.topic_id ?? document.body.dataset.topic;
if (!topic_id) return;
const topic_chat_content = document.getElementById("chat-content");
topic_chat_content.innerHTML = "";
const user = document.body.dataset.user ? JSON.parse(document.body.dataset.user) : null;
if (!user) return;
if (topic_polling_request_abort_controller) {
topic_polling_request_abort_controller.abort();
topic_polling_request_abort_controller = null;
delete topic_chat_content.dataset.last_message_id;
}
const topic_response = await api.fetch(`/api/topics/${topic_id}`);
if (!topic_response.ok) {
const error = await topic_response.json();
alert(error.message ?? JSON.stringify(error));
return;
}
const topic = await topic_response.json();
const events_response = await api.fetch(
`/api/topics/${topic_id}/events?type=chat&limit=100&sort=newest`,
);
if (!events_response.ok) {
const error = await events_response.json();
alert(error.message ?? JSON.stringify(error));
return;
}
const events = await events_response.json();
handle_chat_events(events);
poll_for_new_chat_events();
}
document.addEventListener("topic_changed", load_active_topic_for_chat);
document.addEventListener("user_logged_in", load_active_topic_for_chat);
</script>
<div id="chat" class="tab">
<input
type="radio"
@ -190,7 +18,131 @@
<script src="/js/external/punycode.js" type="text/javascript"></script>
<div id="chat-container">
<div id="chat-content"></div>
<div
id="chat-content"
data-feed
data-precheck="!!document.body.dataset.user && document.body.dataset.user.indexOf( 'topics.chat.read' ) !== -1"
data-source="/api/topics/${ document.body.dataset.topic }/events?type=chat&limit=100&sort=newest&wait=true&after_id=${ feed.__newest_id ?? 'chat:able-able-able-able-able-able-able-able-able-able' }"
data-longpolling="true"
data-reverse="true"
data-insert="append"
data-autoscroll="true"
>
<script>
{
const feed = document.currentScript.closest("[data-feed]");
document.addEventListener("topic_changed", () => {
feed.__reset && feed.__reset();
});
document.addEventListener("user_logged_in", () => {
feed.__reset && feed.__reset();
});
const time_tick_tock_timeout = 60_000;
let last_event_datetime_value = 0;
let time_tick_tock_class = "time-tock";
let last_creator_id = "";
let user_tick_tock_class = "user-tock";
feed.__context = async (item) => {
const event_datetime = datetime_to_local(item.timestamps.created);
if (
event_datetime.value - last_event_datetime_value >
time_tick_tock_timeout
) {
time_tick_tock_class =
time_tick_tock_class === "time-tick"
? "time-tock"
: "time-tick";
}
last_event_datetime_value = event_datetime.value;
if (last_creator_id !== item.creator_id) {
user_tick_tock_class =
user_tick_tock_class === "user-tick"
? "user-tock"
: "user-tick";
last_creator_id = item.creator_id;
}
return {
event: item,
creator: await USERS.get(item.creator_id),
event_datetime,
time_tick_tock_class,
user_tick_tock_class,
};
};
}
</script>
<template>
<div
id="${context.event.id}"
class="message-container ${context.user_tick_tock_class} ${context.time_tick_tock_class}"
data-creator_id="${context.creator.id}"
data-temp_id="${context.event.meta?.temp_id ?? ''}"
>
<div class="message-actions-container">
<input
type="checkbox"
id="show_message_actions-${context.event.id}"
class="message-actions-display-toggle"
/>
<label
class="message-actions-display-toggle-label"
for="show_message_actions-${context.event.id}"
>
<div class="icon more-borderless"></div>
</label>
<button class="message-action mockup" data-action="react">
<i class="icon circle"></i><span class="action-name">React</span>
</button>
<button
class="message-action"
data-action="reply"
onclick="document.getElementById( 'parent-id' ).value = '${context.event.id}';"
>
<i class="icon reply"></i><span class="action-name">Reply</span>
</button>
<button class="message-action mockup" data-action="forward_copy">
<i class="icon forward-copy"></i
><span class="action-name">Copy Link</span>
</button>
<button class="message-action mockup" data-action="delete">
<i class="icon trash"></i><span class="action-name">Delete</span>
</button>
</div>
<div class="info-container">
<div class="avatar-container">
<img
src="${context.creator.meta?.avatar ?? '/images/default_avatar.gif'}"
alt="user avatar"
/>
</div>
<div class="username-container">
<span class="username"
>${context.creator.username ?? 'unknown'}</span
>
</div>
<div class="datetime-container">
<span class="long">${context.event_datetime.long}</span>
<span class="short">${context.event_datetime.short}</span>
</div>
</div>
<div class="message-content-container">
${htmlify(md_to_html(context.event.data.content))}
</div>
<div class="message-media-container">
${htmlify(context.event.data.media?.join("\n") ?? "")}
</div>
</div>
</template>
</div>
<div id="chat-entry-container">
<form
id="chat-entry"
@ -203,23 +155,12 @@
width: 100%;
transition: all 0.5s;
"
on_reply="async (event) => { await render_chat_event(event); document.getElementById(event.id)?.classList.remove('sending'); document.getElementById( 'chat-input' ).value = ''; document.getElementById( 'chat-input' ).focus(); }"
on_parsed="async (event) => { await render_chat_event(event); document.getElementById(event.id)?.classList.add('sending'); }"
on_reply="async (event) => { await document.getElementById( 'chat-content' ).__render(event); document.getElementById(event.id)?.classList.remove('sending'); }"
on_parsed="async (event) => { await document.getElementById( 'chat-content' ).__render(event); document.getElementById(event.id)?.classList.add('sending'); }"
>
<script>
{
const form = document.currentScript.closest("form");
document.addEventListener("DOMContentLoaded", () => {
const chat_input = form.querySelector(
'textarea[name="data.content"]',
);
chat_input.addEventListener("keypress", (event) => {
if (event.key === "Enter" && !event.shiftKey) {
form.requestSubmit();
}
});
});
document.addEventListener(
"topic_changed",
({ detail: { topic_id } }) => {
@ -283,6 +224,8 @@
rows="1"
name="data.content"
reset-on-submit
focus-on-submit
enter-key-submits
></textarea>
<button id="chat-send" class="primary" aria-label="Send a message">

View file

@ -119,157 +119,83 @@
<!-- #include file="./README.md" -->
<!-- #include file="./new_essay.html" -->
<div id="essays-list"></div>
<script>
const essays_list = document.getElementById("essays-list");
<div
id="essays-list"
data-feed
data-precheck="!!document.body.dataset.user && document.body.dataset.user.indexOf( 'topics.essays.read' ) !== -1"
data-source="/api/topics/${ document.body.dataset.topic }/events?type=essay&limit=100&sort=newest&wait=true&after_id=${ feed.__newest_id ?? 'essay:able-able-able-able-able-able-able-able-able-able' }"
data-longpolling="true"
data-reverse="true"
data-insert="prepend"
data-autoscroll="true"
>
<script>
{
const feed = document.currentScript.closest("[data-feed]");
async function render_essay(essay, position = "beforeend") {
const creator = await USERS.get(essay.creator_id);
const existing_element =
document.getElementById(essay.id) ??
document.getElementById(essay.meta?.temp_id ?? "") ??
document.querySelector(`[data-temp_id="${essay.meta?.temp_id ?? ""}"]`);
const essay_datetime = datetime_to_local(essay.timestamps.created);
document.addEventListener("topic_changed", () => {
feed.__reset && feed.__reset();
});
document.addEventListener("user_logged_in", () => {
feed.__reset && feed.__reset();
});
const html_content = `<div class="essay-container" data-creator_id="${creator.id}" data-essay_id="${essay.id}" data-temp_id="${essay.meta?.temp_id ?? ""}">
feed.__target_element = (item) => {
return (
document.querySelector(
`.essay-container[data-essay_id='${item.parent_id}'] > .replies-container`,
) ?? feed
);
};
feed.__context = async (item) => {
const essay_datetime = datetime_to_local(item.timestamps.created);
return {
essay: item,
creator: await USERS.get(item.creator_id),
essay_datetime,
};
};
}
</script>
<template>
<div
id="${context.essay.id}"
class="essay-container"
data-creator_id="${context.creator.id}"
data-essay_id="${context.essay.id}"
data-temp_id="${context.essay.meta?.temp_id ?? ''}"
>
<div class="media-preview-container">
${essay.data?.media?.length ? essay.data.media.map((url) => `<img src="${url}" />`).join("\n") : ""}
${context.essay.data?.media?.length ?
context.essay.data.media.map(function(url) { return `<img
src="${url}"
/>` }).join('\n') : ''}
</div>
<div class="info-container">
<div class="avatar-container">
<img src="${creator.meta?.avatar ?? "/images/default_avatar.gif"}" alt="user avatar" />
<img
src="${context.creator.meta?.avatar ?? '/images/default_avatar.gif'}"
alt="user avatar"
/>
</div>
<div class="username-container">
<span class="username">${creator.username}</span>
<span class="username">${context.creator.username}</span>
</div>
<div class="datetime-container">
<span class="long">${essay_datetime.long}</span>
<span class="short">${essay_datetime.short}</span>
<span class="long">${context.essay_datetime.long}</span>
<span class="short">${context.essay_datetime.short}</span>
</div>
</div>
<div class="title-container">${essay.data.title}</div>
<div class="content-container">${htmlify(md_to_html(essay.data.essay))}</div>
</div>`;
if (existing_element) {
const template = document.createElement("template");
template.innerHTML = html_content;
existing_element.replaceWith(template.content.firstChild);
existing_element.classList.remove("sending");
} else {
const target_container =
document.querySelector(
`.essay-container[data-essay_id='${essay.parent_id}'] > .replies-container`,
) ?? essays_list;
target_container.insertAdjacentHTML(position, html_content);
}
}
async function append_essays(essays) {
let last_essay_id = essays_list.dataset.last_essay_id ?? "";
for await (const essay of essays) {
// if the last essay is undefined, it becomes this event, otherwise, if this event's id is newer,
// it becomes the latest essay
last_essay_id =
essay.id > last_essay_id && essay.id.indexOf("TEMP") !== 0
? essay.id
: last_essay_id;
// if the last essay has been updated, update the content's dataset to reflect that
if (last_essay_id !== essays_list.dataset.last_essay_id) {
essays_list.dataset.last_essay_id = last_essay_id;
}
await render_essay(essay);
}
const new_essay_forms = document.querySelectorAll(".essay-creation-form");
for (const new_essay_form of new_essay_forms) {
new_essay_form.action =
"/api/topics/" + document.body.dataset?.topic + "/events";
}
essays_list.scrollTop = 0;
}
// TODO: we need some abortcontroller handling here or something
// similar for when we change topics, this is the most basic
// first pass outline
let essay_polling_abort_controller = null;
async function poll_for_new_essays() {
const essays_list = document.getElementById("essays-list");
const topic_id = document.body.dataset.topic;
const last_essay_id = essays_list.dataset.last_essay_id;
if (!topic_id) {
return;
}
const message_polling_url = `/api/topics/${topic_id}/events?type=essay&limit=100&sort=newest&wait=true${last_essay_id ? `&after_id=${last_essay_id}` : ""}`;
essay_polling_abort_controller =
essay_polling_abort_controller || new AbortController();
api.fetch(message_polling_url, {
signal: essay_polling_abort_controller.signal,
})
.then(async (new_events_response) => {
const new_events = (await new_events_response.json()) ?? [];
await append_essays(new_events.reverse(), "afterbegin");
poll_for_new_essays(topic_id);
})
.catch((error) => {
// TODO: poll again? back off?
console.error(error);
});
}
async function load_active_topic_for_essays() {
const topic_id = document.body.dataset.topic;
if (!topic_id) return;
const user = document.body.dataset.user
? JSON.parse(document.body.dataset.user)
: null;
if (!user) return;
const essays_list = document.getElementById("essays-list");
if (essay_polling_abort_controller) {
essay_polling_abort_controller.abort();
essay_polling_abort_controller = null;
delete essays_list.dataset.last_essay_id;
}
const topic_response = await api.fetch(`/api/topics/${topic_id}`);
if (!topic_response.ok) {
const error = await topic_response.json();
alert(error.message ?? JSON.stringify(error));
return;
}
const topic = await topic_response.json();
essays_list.innerHTML = "";
const events_response = await api.fetch(
`/api/topics/${topic_id}/events?type=essay&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();
await append_essays(events);
poll_for_new_essays();
}
document.addEventListener("topic_changed", load_active_topic_for_essays);
document.addEventListener("user_logged_in", load_active_topic_for_essays);
</script>
<div class="title-container">${context.essay.data.title}</div>
<div class="content-container">
${htmlify(md_to_html(context.essay.data.essay))}
</div>
</div>
</template>
</div>
</div>
</div>
</div>

View file

@ -32,13 +32,14 @@
data-smart="true"
method="POST"
class="essay-creation-form collapsible"
url="/api/topics/${ document.body.dataset.topic }/events"
style="
margin-top: 1rem
width: 100%;
transition: all 0.5s;
"
on_reply="async (essay) => { await render_essay(essay, 'afterbegin'); document.getElementById(essay.id)?.classList.remove('sending'); }"
on_parsed="async (essay) => { await render_essay(essay, 'afterbegin'); document.getElementById(essay.id)?.classList.add('sending'); }"
on_reply="async (event) => { await document.getElementById( 'essays-list' ).__render(event); document.getElementById(event.id)?.classList.remove('sending'); }"
on_parsed="async (event) => { await document.getElementById( 'essays-list' ).__render(event); document.getElementById(event.id)?.classList.add('sending'); }"
>
<input type="hidden" name="type" value="essay" />

View file

@ -103,12 +103,12 @@
.post-container .info-container .datetime-container .long {
font-size: x-small;
text-transform: uppercase;
visibility: hidden;
display: none;
}
.post-container .info-container .datetime-container .short {
font-size: xx-small;
visibility: hidden;
display: none;
}
.post-container .subject-container {
@ -149,165 +149,89 @@
<div class="tab-content forum-container">
<!-- #include file="./README.md" -->
<div id="forum-posts" class="container">
<div id="forum-posts-list"></div>
<div
id="posts-list"
data-feed
data-precheck="!!document.body.dataset.user && document.body.dataset.user.indexOf( 'topics.essays.read' ) !== -1"
data-source="/api/topics/${ document.body.dataset.topic }/events?type=post&limit=100&sort=newest&wait=true&after_id=${ feed.__newest_id ?? 'post:able-able-able-able-able-able-able-able-able-able' }"
data-longpolling="true"
data-reverse="true"
data-insert="prepend"
data-autoscroll="true"
>
<script>
const forum_posts_list = document.getElementById("forum-posts-list");
{
const feed = document.currentScript.closest("[data-feed]");
async function render_post(post) {
const creator = await USERS.get(post.creator_id);
const existing_element =
document.getElementById(`post-${post.id.substring(0, 49)}`) ??
document.getElementById(`post-${post.meta?.temp_id}`);
const post_datetime = datetime_to_local(post.timestamps.created);
document.addEventListener("topic_changed", () => {
feed.__reset && feed.__reset();
});
document.addEventListener("user_logged_in", () => {
feed.__reset && feed.__reset();
});
const html_content = `<div class="post-container" data-creator_id="${creator.id}" data-post_id="${post.id}">
<div class="expand-toggle-container">
<label>
<input type="checkbox" name="expanded"/><i class="icon plus"></i><i class="icon minus"></i>
</label>
</div>
<div class="media-preview-container">
<img src="/images/placeholders/${String(post_datetime.ms % 10).padStart(2, "0")}.svg" />
</div>
<div class="info-container">
<div class="avatar-container">
<img src="${creator.meta?.avatar ?? "/images/default_avatar.gif"}" alt="user avatar" />
</div>
<div class="username-container">
<span class="username">${creator.username}</span>
</div>
<div class="datetime-container">
<span class="long">${post_datetime.long}</span>
<span class="short">${post_datetime.short}</span>
</div>
</div>
<div class="subject-container">${post.data.subject}</div>
<div class="content-container">${htmlify(post.data.content)}</div>
<!-- #include file="./new_post.html" -->
<div class="replies-container"></div>
</div>`;
if (existing_element) {
const template = document.createElement("template");
template.innerHTML = html_content;
existing_element.replaceWith(template.content.firstChild);
existing_element.classList.remove("sending");
} else {
const target_container =
feed.__target_element = (item) => {
return (
document.querySelector(
`.post-container[data-post_id='${post.parent_id}'] > .replies-container`,
) ?? forum_posts_list;
target_container.insertAdjacentHTML("beforeend", html_content);
}
`.post-container[data-post_id='${item.parent_id}'] > .replies-container`,
) ?? feed
);
};
feed.__context = async (item) => {
const post_datetime = datetime_to_local(item.timestamps.created);
return {
post: item,
creator: await USERS.get(item.creator_id),
post_datetime,
};
};
}
async function append_posts(posts) {
let last_post_id = forum_posts_list.dataset.last_post_id ?? "";
for await (const post of posts) {
// if the last post is undefined, it becomes this event, otherwise, if this event's id is newer,
// it becomes the latest post
last_post_id =
post.id > last_post_id && post.id.indexOf("TEMP") !== 0
? post.id
: last_post_id;
// if the last post has been updated, update the content's dataset to reflect that
if (last_post_id !== forum_posts_list.dataset.last_post_id) {
forum_posts_list.dataset.last_post_id = last_post_id;
}
await render_post(post);
}
const new_post_forms = document.querySelectorAll(".post-creation-form");
for (const new_post_form of new_post_forms) {
new_post_form.action =
"/api/topics/" + document.body.dataset?.topic + "/events";
}
forum_posts_list.scrollTop = 0;
}
// TODO: we need some abortcontroller handling here or something
// similar for when we change topics, this is the most basic
// first pass outline
let post_polling_abort_controller = null;
async function poll_for_new_posts() {
const forum_posts_list = document.getElementById("forum-posts-list");
const topic_id = document.body.dataset.topic;
const last_post_id = forum_posts_list.dataset.last_post_id;
if (!topic_id) {
return;
}
const message_polling_url = `/api/topics/${topic_id}/events?type=post&limit=100&sort=newest&wait=true${last_post_id ? `&after_id=${last_post_id}` : ""}`;
post_polling_abort_controller =
post_polling_abort_controller || new AbortController();
api.fetch(message_polling_url, {
signal: post_polling_abort_controller.signal,
})
.then(async (new_events_response) => {
const new_events = (await new_events_response.json()) ?? [];
await append_posts(new_events.reverse());
poll_for_new_posts(topic_id);
})
.catch((error) => {
// TODO: poll again? back off?
console.error(error);
});
}
async function load_active_topic_for_forum() {
const topic_id = document.body.dataset.topic;
if (!topic_id) return;
const user = document.body.dataset.user
? JSON.parse(document.body.dataset.user)
: null;
if (!user) return;
const forum_posts_list = document.getElementById("forum-posts-list");
if (post_polling_abort_controller) {
post_polling_abort_controller.abort();
post_polling_abort_controller = null;
delete forum_posts_list.dataset.last_post_id;
}
const topic_response = await api.fetch(`/api/topics/${topic_id}`);
if (!topic_response.ok) {
const error = await topic_response.json();
alert(error.message ?? JSON.stringify(error));
return;
}
const topic = await topic_response.json();
forum_posts_list.innerHTML = "";
const events_response = await api.fetch(
`/api/topics/${topic_id}/events?type=post&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();
await append_posts(events.reverse());
poll_for_new_posts();
}
document.addEventListener("topic_changed", load_active_topic_for_forum);
document.addEventListener("user_logged_in", load_active_topic_for_forum);
</script>
<template>
<div
id="${context.post.id}"
class="post-container"
data-creator_id="${context.creator.id}"
data-post_id="${context.post.id}"
>
<div class="expand-toggle-container">
<label>
<input type="checkbox" name="expanded" /><i class="icon plus"></i
><i class="icon minus"></i>
</label>
</div>
<div class="media-preview-container">
<img
src="/images/placeholders/${String((context.post_datetime.ms % 9) + 1).padStart(2, '0')}.svg"
/>
</div>
<div class="info-container">
<div class="avatar-container">
<img
src="${context.creator.meta?.avatar ?? '/images/default_avatar.gif'}"
alt="user avatar"
/>
</div>
<div class="username-container">
<span class="username">${context.creator.username}</span>
</div>
<div class="datetime-container">
<span class="long">${context.post_datetime.long}</span>
<span class="short">${context.post_datetime.short}</span>
</div>
</div>
<div class="subject-container">${context.post.data.subject}</div>
<div class="content-container">
${htmlify(md_to_html(context.post.data.content))}
</div>
<!-- #include file="./new_post.html" -->
<div class="replies-container"></div>
</div>
</template>
</div>
<!-- #include file="./new_post.html" -->

View file

@ -14,8 +14,9 @@
width: 100%;
transition: all 0.5s;
"
on_reply="async (post) => { await append_posts([post]); }"
on_parsed="async (post) => { await render_post(post); document.getElementById('post-' + post.id)?.classList.add('sending'); }"
url="/api/topics/${ document.body.dataset.topic }/events"
on_reply="async (event) => { await document.getElementById( 'posts-list' ).__render(event); document.getElementById(event.id)?.classList.remove('sending'); }"
on_parsed="async (event) => { await document.getElementById( 'posts-list' ).__render(event); document.getElementById(event.id)?.classList.add('sending'); }"
>
<input type="hidden" name="type" value="post" />