tildefriends/apps/ssb/tf-tab-news.js

159 lines
4.9 KiB
JavaScript

import {LitElement, html, unsafeHTML, until} from './lit-all.min.js';
import * as tfrpc from '/static/tfrpc.js';
import {styles} from './tf-styles.js';
class TfTabNewsElement extends LitElement {
static get properties() {
return {
whoami: {type: String},
users: {type: Object},
hash: {type: String},
unread: {type: Array},
following: {type: Array},
drafts: {type: Object},
expanded: {type: Object},
import_progress: {type: Object},
};
}
static styles = styles;
constructor() {
super();
let self = this;
this.whoami = null;
this.users = {};
this.hash = '#';
this.unread = [];
this.following = [];
this.cache = {};
this.drafts = {};
this.expanded = {};
this.import_progress = null;
tfrpc.rpc.localStorageGet('drafts').then(function(d) {
self.drafts = JSON.parse(d || '{}');
});
}
connectedCallback() {
super.connectedCallback();
document.body.addEventListener('keypress', this.on_keypress.bind(this));
}
disconnectedCallback() {
super.disconnectedCallback();
document.body.removeEventListener('keypress', this.on_keypress.bind(this));
}
show_more() {
let unread = this.unread;
let news = this.shadowRoot?.getElementById('news');
if (news) {
console.log('injecting messages', news.messages);
news.messages = Object.values(Object.fromEntries([...this.unread, ...news.messages].map(x => [x.id, x])));
this.dispatchEvent(new CustomEvent('refresh'));
}
}
new_messages_text() {
if (!this.unread?.length) {
return 'No new messages.';
}
let counts = {};
for (let message of this.unread) {
let type = 'private';
try {
type = JSON.parse(message.content).type || type;
} catch {
}
counts[type] = (counts[type] || 0) + 1;
}
return 'Show New: ' + Object.keys(counts).sort().map(x => (counts[x].toString() + ' ' + x + 's')).join(', ');
}
draft(event) {
let id = event.detail.id || '';
let previous = this.drafts[id];
if (event.detail.draft !== undefined) {
this.drafts[id] = event.detail.draft;
} else {
delete this.drafts[id];
}
/* Only trigger a re-render if we're creating a new draft or discarding an old one. */
if ((previous !== undefined) != (event.detail.draft !== undefined)) {
this.drafts = Object.assign({}, this.drafts);
}
tfrpc.rpc.localStorageSet('drafts', JSON.stringify(this.drafts));
}
on_expand(event) {
if (event.detail.expanded) {
let expand = {};
expand[event.detail.id] = true;
this.expanded = Object.assign({}, this.expanded, expand);
} else {
delete this.expanded[event.detail.id];
this.expanded = Object.assign({}, this.expanded);
}
}
on_keypress(event) {
if (event.target === document.body &&
event.key == '.') {
this.show_more();
}
}
import_data() {
let self = this;
let input = document.createElement('input');
input.type = 'file';
input.onchange = async function(event) {
self.import_progress = {name: 'loading'};
let zip = new JSZip();
let file = await zip.loadAsync(event.target.files[0]);
let progress = 0;
let messages = JSON.parse(await file.file('messages.txt').async('string'));
for (let message of messages) {
self.import_progress = {name: 'messages', value: progress++, max: messages.length};
await tfrpc.rpc.store_message(message);
}
let blobs = [];
file.forEach(function(path, entry) {
if (path != 'messages.txt' && !entry.dir) {
blobs.push(entry);
}
});
progress = 0;
for (let blob of blobs) {
self.import_progress = {name: 'blobs', value: progress++, max: blobs.length};
console.log(await tfrpc.rpc.store_blob(await blob.async('arraybuffer')));
}
self.import_progress = undefined;
};
input.click();
}
render() {
let profile = this.hash.startsWith('#@') ?
html`<tf-profile id=${this.hash.substring(1)} whoami=${this.whoami} .users=${this.users}></tf-profile>` : undefined;
let import_state = html`<input type="button" value="Import" @click=${this.import_data}></input>`;
if (this.import_progress) {
if (this.import_progress.max) {
import_state = html`${this.import_progress.name} <progress value=${this.import_progress.value} max=${this.import_progress.max}></progress>`;
} else {
import_state = html`${this.import_progress.name} <progress></progress>`;
}
}
return html`
<div><input type="button" value=${this.new_messages_text()} @click=${this.show_more}></input></div>
<a target="_top" href="#" ?hidden=${this.hash.length <= 1}>🏠Home</a> ${import_state}
<div>Welcome, <tf-user id=${this.whoami} .users=${this.users}></tf-user>!</div>
<div><tf-compose whoami=${this.whoami} .users=${this.users} .drafts=${this.drafts} @tf-draft=${this.draft}></tf-compose></div>
${profile}
<tf-tab-news-feed id="news" whoami=${this.whoami} .users=${this.users} .following=${this.following} hash=${this.hash} .drafts=${this.drafts} .expanded=${this.expanded} @tf-draft=${this.draft} @tf-expand=${this.on_expand}></tf-tab-news-feed>
`;
}
}
customElements.define('tf-tab-news', TfTabNewsElement);