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<script>
import { page } from '$app/stores';
import { goto } from '$app/navigation';
import { browser } from '$app/environment';
import { onMount, onDestroy, getContext } from 'svelte';
import TinyGesture from 'tinygesture';
import { boot, subscribeToEvents } from '$lib/apiServer';
import { currentUser, logins, channelsList, messages } from '$lib/store';
import ChannelList from '$lib/components/ChannelList.svelte';
import CreateChannelForm from '$lib/components/CreateChannelForm.svelte';
let events = null;
let gesture = null;
let pageContext = getContext('page');
let { children } = $props();
let loading = $state(true);
let channel = $derived($page.params.channel);
let rawChannels;
channelsList.subscribe((val) => {
rawChannels = val.channels;
});
let rawMessages;
messages.subscribe((val) => {
rawMessages = val;
});
let enrichedChannels = $derived.by(() => {
const channels = rawChannels;
const messages = rawMessages;
const enrichedChannels = [];
if (channels && messages) {
for (let ch of channels) {
let runs = messages.inChannel(ch.id);
let lastRun = runs?.slice(-1)[0];
let lastMessage = lastRun?.messages.slice(-1)[0];
let lastMessageAt = lastMessage?.at;
let hasUnreads = lastMessageAt > ch.lastReadAt;
enrichedChannels.push({
...ch,
hasUnreads,
});
}
}
return enrichedChannels;
});
function onBooted(boot) {
currentUser.set({
id: boot.login.id,
username: boot.login.name
});
logins.update((value) => value.setLogins(boot.logins));
channelsList.update((value) => value.setChannels(boot.channels));
messages.update((value) => value.setMessages(boot.messages));
}
function setUpGestures() {
if (!browser) {
// Meaningless if we're not in a browser, so...
return;
}
gesture = new TinyGesture(window);
gesture.on('swiperight', (event) => {
pageContext.showMenu = true;
});
gesture.on('swipeleft', (event) => {
pageContext.showMenu = false;
});
}
onMount(async () => {
let response = await boot();
switch (response.status) {
case 200:
onBooted(response.data);
events = subscribeToEvents(response.data.resume_point);
break;
case 401:
currentUser.set(null);
goto('/login');
break;
case 503:
currentUser.set(null);
goto('/setup');
break;
default:
// TODO: display error.
break;
}
setUpGestures();
loading = false;
});
onDestroy(async () => {
if (events !== null) {
events.close();
}
if (gesture !== null) {
gesture.destroy();
}
});
function beforeUnload(evt) {
evt.preventDefault();
if (events !== null) {
events.close();
}
// For some compat reasons?
evt.returnValue = '';
return '';
}
</script>
<svelte:window on:beforeunload={beforeUnload}/>
<svelte:head>
<!-- TODO: unread count? -->
<title>pilcrow</title>
</svelte:head>
{#if loading}
<h2>Loading…</h2>
{:else}
<div id="interface" class="p-2">
<nav id="sidebar" data-expanded={pageContext.showMenu}>
<div class="channel-list">
<ChannelList active={channel} channels={enrichedChannels} />
</div>
<div class="create-channel">
<CreateChannelForm />
</div>
</nav>
<main class="pl-4">
{@render children?.()}
</main>
</div>
{/if}
<style>
/* Just some global CSS variables, don't mind them.
*/
:root {
--app-bar-height: 48px;
--input-row-height: 2rem;
--interface-padding: 16px;
--nav-width: 21rem;
}
#interface {
margin: unset;
display: grid;
grid-template:
'side main' 1fr
/ auto 1fr;
height: calc(100vh - var(--app-bar-height));
@media (width > 640px) {
--overlay: static;
--translate: 0;
}
}
nav {
grid-area: side;
background-color: rgb(var(--color-surface-800));
inset: auto auto 0 0;
padding: 0.25rem;
position: var(--overlay, absolute);
transition: translate 300ms ease-out;
width: var(--nav-width);
height: 100vh;
@media (width > 640px) {
height: calc(100vh - var(--app-bar-height) - var(--interface-padding));
}
z-index: 10;
border-top-right-radius: 1.4rem;
border-bottom-right-radius: 1.4rem;
}
main {
grid-area: main;
height: calc(100vh - var(--app-bar-height) - var(--interface-padding));
}
.channel-list {
height: calc(100vh - var(--input-row-height));
@media (width > 640px) {
height: calc(100vh - var(--app-bar-height) - var(--input-row-height) - var(--interface-padding));
}
overflow: auto;
}
nav[data-expanded='false'] {
translate: var(--translate, -100% 0);
}
</style>
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