campfire/src/routes/[server]/[account]/[post]/+page.svelte

143 lines
3.9 KiB
Svelte

<script>
import * as api from '$lib/api.js';
import { server, createServer } from '$lib/client/server.js';
import { app } from '$lib/client/app.js';
import { parsePost } from '$lib/post.js';
import { goto, afterNavigate } from '$app/navigation';
import { base as previous_page } from '$app/paths'
import Post from '$lib/ui/post/Post.svelte';
import Button from '$lib/ui/Button.svelte';
export let data;
let post;
let error = false;
if (($server && $server.host === data.server_host) && $app) {
post = fetchPost(data.post_id, $app.token);
} else {
post = createServer(data.server_host).then(new_server => {
server.set(new_server);
if (!$server) {
error = `Failed to connect to <code>${data.server_host}</code>.`;
console.error(`Failed to connect to ${data.server_host}.`);
return;
}
return post = fetchPost(data.post_id, null);
});
}
afterNavigate(({from}) => {
previous_page = from?.url.pathname || previous_page
})
async function fetchPost(post_id, token) {
const post_data = await api.getPost($server.host, token, post_id);
if (!post_data || post_data.error) {
error = `Failed to retrieve post <code>${post_id}</code>.`;
console.error(`Failed to retrieve post ${post_id}.`);
return;
}
let post = await parsePost(post_data, 0);
const post_context = await api.getPostContext($server.host, token, post_id);
if (!post_context || !post_context.ancestors || !post_context.descendants)
return post;
// handle ancestors (above post)
let thread_top = post;
while (post_context.ancestors.length > 0) {
thread_top.reply = await parsePost(post_context.ancestors.pop(), 0);
thread_top = thread_top.reply;
}
// handle descendants (below post)
post.replies = [];
for (let i in post_context.descendants) {
post.replies.push(parsePost(post_context.descendants[i], 0));
}
return post;
}
</script>
{#await post}
<div class="loading throb">
<span>loading post...</span>
</div>
{:then post}
{#if error}
<p>{@html error}</p>
{:else}
<header>
{#if previous_page}
<nav>
<Button centered on:click={() => {goto(previous_page)}}>Back</Button>
</nav>
{/if}
<img src={post.account.avatar_url} type={post.account.avatar_type || "image/png"} alt="" width="40" height="40" class="header-avatar" loading="lazy" decoding="async">
<h1>
Post by {@html post.account.rich_name}
</h1>
</header>
<div id="feed" role="feed">
<Post post_data={post} focused />
<br>
{#each post.replies as reply}
{#await reply then reply}
<Post post_data={reply} />
{/await}
{/each}
</div>
{/if}
{/await}
<style>
header {
width: 100%;
height: 64px;
margin: 16px 0 8px 0;
display: flex;
flex-direction: row;
}
header .header-avatar {
width: 40px;
height: 40px;
margin: auto 0;
border-radius: 4px;
}
header h1 {
margin: auto auto auto 8px;
font-size: 1.5em;
text-overflow: ellipsis;
overflow: hidden;
white-space: nowrap;
}
header nav {
margin-right: 8px;
display: flex;
flex-direction: row;
align-items: center;
gap: 8px;
}
#feed {
margin-bottom: 20vh;
}
.loading {
width: 100%;
height: 80vh;
display: flex;
justify-content: center;
align-items: center;
font-size: 2em;
font-weight: bold;
}
</style>