forked from cory/tildefriends
393 lines
10 KiB
JavaScript
393 lines
10 KiB
JavaScript
import {LitElement, html, css, guard, until} from './lit-all.min.js';
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import * as tfrpc from '/static/tfrpc.js';
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import {styles} from './tf-styles.js';
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class TfElement extends LitElement {
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static get properties() {
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return {
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whoami: {type: String},
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hash: {type: String},
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unread: {type: Array},
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tab: {type: String},
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broadcasts: {type: Array},
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connections: {type: Array},
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loading: {type: Boolean},
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loaded: {type: Boolean},
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following: {type: Array},
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users: {type: Object},
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ids: {type: Array},
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tags: {type: Array},
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};
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}
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static styles = styles;
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constructor() {
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super();
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let self = this;
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this.hash = '#';
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this.unread = [];
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this.tab = 'news';
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this.broadcasts = [];
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this.connections = [];
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this.following = [];
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this.users = {};
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this.loaded = false;
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this.tags = [];
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tfrpc.rpc.getBroadcasts().then((b) => {
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self.broadcasts = b || [];
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});
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tfrpc.rpc.getConnections().then((c) => {
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self.connections = c || [];
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});
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tfrpc.rpc.getHash().then((hash) => self.set_hash(hash));
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tfrpc.register(function hashChanged(hash) {
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self.set_hash(hash);
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});
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tfrpc.register(async function notifyNewMessage(id) {
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await self.fetch_new_message(id);
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});
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tfrpc.register(function set(name, value) {
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if (name === 'broadcasts') {
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self.broadcasts = value;
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} else if (name === 'connections') {
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self.connections = value;
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} else if (name === 'identity') {
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self.whoami = value;
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}
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});
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this.initial_load();
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}
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async initial_load() {
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let whoami = await tfrpc.rpc.getActiveIdentity();
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let ids = (await tfrpc.rpc.getIdentities()) || [];
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this.whoami = whoami ?? (ids.length ? ids[0] : undefined);
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this.ids = ids;
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}
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set_hash(hash) {
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this.hash = hash || '#';
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if (this.hash.startsWith('#q=')) {
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this.tab = 'search';
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} else if (this.hash === '#connections') {
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this.tab = 'connections';
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} else if (this.hash === '#mentions') {
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this.tab = 'mentions';
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} else if (this.hash.startsWith('#sql=')) {
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this.tab = 'query';
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} else {
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this.tab = 'news';
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}
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}
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async fetch_about(ids, users) {
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const k_cache_version = 1;
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let cache = await tfrpc.rpc.databaseGet('about');
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cache = cache ? JSON.parse(cache) : {};
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if (cache.version !== k_cache_version) {
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cache = {
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version: k_cache_version,
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about: {},
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last_row_id: 0,
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};
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}
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let max_row_id = (
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await tfrpc.rpc.query(
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`
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SELECT MAX(rowid) AS max_row_id FROM messages
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`,
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[]
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)
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)[0].max_row_id;
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for (let id of Object.keys(cache.about)) {
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if (ids.indexOf(id) == -1) {
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delete cache.about[id];
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}
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}
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let abouts = await tfrpc.rpc.query(
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`
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SELECT
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messages.id, messages.previous, messages.author, messages.sequence, messages.timestamp, messages.hash, json(messages.content) AS content, messages.signature
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FROM
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messages,
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json_each(?1) AS following
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WHERE
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messages.author = following.value AND
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messages.rowid > ?3 AND
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messages.rowid <= ?4 AND
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json_extract(messages.content, '$.type') = 'about'
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UNION
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SELECT
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messages.id, messages.previous, messages.author, messages.sequence, messages.timestamp, messages.hash, json(messages.content) AS content, messages.signature
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FROM
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messages,
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json_each(?2) AS following
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WHERE
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messages.author = following.value AND
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messages.rowid <= ?4 AND
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json_extract(messages.content, '$.type') = 'about'
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ORDER BY messages.author, messages.sequence
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`,
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[
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JSON.stringify(ids.filter((id) => cache.about[id])),
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JSON.stringify(ids.filter((id) => !cache.about[id])),
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cache.last_row_id,
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max_row_id,
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]
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);
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for (let about of abouts) {
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let content = JSON.parse(about.content);
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if (content.about === about.author) {
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delete content.type;
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delete content.about;
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cache.about[about.author] = Object.assign(
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cache.about[about.author] || {},
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content
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);
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}
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}
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cache.last_row_id = max_row_id;
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await tfrpc.rpc.databaseSet('about', JSON.stringify(cache));
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users = users || {};
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for (let id of Object.keys(cache.about)) {
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users[id] = Object.assign(users[id] || {}, cache.about[id]);
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}
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return Object.assign({}, users);
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}
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async fetch_new_message(id) {
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let messages = await tfrpc.rpc.query(
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`
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SELECT messages.id, previous, author, sequence, timestamp, hash, json(content) AS content, signature
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FROM messages
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JOIN json_each(?) AS following ON messages.author = following.value
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WHERE messages.id = ?
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`,
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[JSON.stringify(this.following), id]
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);
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if (messages && messages.length) {
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this.unread = [...this.unread, ...messages];
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this.unread = this.unread.slice(this.unread.length - 1024);
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}
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}
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async _handle_whoami_changed(event) {
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let old_id = this.whoami;
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let new_id = event.srcElement.selected;
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console.log('received', new_id);
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if (this.whoami !== new_id) {
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console.log(event);
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this.whoami = new_id;
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console.log(`whoami ${old_id} => ${new_id}`);
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await tfrpc.rpc.localStorageSet('whoami', new_id);
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}
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}
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async create_identity() {
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if (confirm('Are you sure you want to create a new identity?')) {
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await tfrpc.rpc.createIdentity();
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this.ids = (await tfrpc.rpc.getIdentities()) || [];
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if (this.ids && !this.whoami) {
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this.whoami = this.ids[0];
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}
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}
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}
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async load_recent_tags() {
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let start = new Date();
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this.tags = await tfrpc.rpc.query(
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`
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WITH
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recent AS (SELECT id, json(content) AS content FROM messages
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WHERE messages.timestamp > ? AND json_extract(content, '$.type') = 'post'
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ORDER BY timestamp DESC LIMIT 1024),
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recent_channels AS (SELECT recent.id, '#' || json_extract(content, '$.channel') AS tag
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FROM recent
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WHERE json_extract(content, '$.channel') IS NOT NULL),
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recent_mentions AS (SELECT recent.id, json_extract(mention.value, '$.link') AS tag
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FROM recent, json_each(recent.content, '$.mentions') AS mention
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WHERE json_valid(mention.value) AND tag LIKE '#%'),
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combined AS (SELECT id, tag FROM recent_channels UNION ALL SELECT id, tag FROM recent_mentions),
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by_message AS (SELECT DISTINCT id, tag FROM combined)
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SELECT tag, COUNT(*) AS count FROM by_message GROUP BY tag ORDER BY count DESC LIMIT 10
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`,
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[new Date() - 7 * 24 * 60 * 60 * 1000]
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);
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console.log('tags took', (new Date() - start) / 1000.0, 'seconds');
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}
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async load() {
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let whoami = this.whoami;
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let tags = this.load_recent_tags();
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let following = await tfrpc.rpc.following([whoami], 2);
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let users = {};
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let by_count = [];
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for (let [id, v] of Object.entries(following)) {
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users[id] = {
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following: v.of,
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blocking: v.ob,
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followed: v.if,
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blocked: v.ib,
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};
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by_count.push({count: v.of, id: id});
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}
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console.log(by_count.sort((x, y) => y.count - x.count).slice(0, 20));
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let start_time = new Date();
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users = await this.fetch_about(Object.keys(following).sort(), users);
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console.log(
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'about took',
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(new Date() - start_time) / 1000.0,
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'seconds for',
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Object.keys(users).length,
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'users'
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);
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this.following = Object.keys(following);
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this.users = users;
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await tags;
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console.log(`load finished ${whoami} => ${this.whoami}`);
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this.whoami = whoami;
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this.loaded = whoami;
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}
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render_tab() {
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let following = this.following;
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let users = this.users;
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if (this.tab === 'news') {
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return html`
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<tf-tab-news
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id="tf-tab-news"
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.following=${this.following}
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whoami=${this.whoami}
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.users=${this.users}
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hash=${this.hash}
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.unread=${this.unread}
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@refresh=${() => (this.unread = [])}
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></tf-tab-news>
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`;
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} else if (this.tab === 'connections') {
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return html`
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<tf-tab-connections
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.users=${this.users}
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.connections=${this.connections}
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.broadcasts=${this.broadcasts}
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></tf-tab-connections>
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`;
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} else if (this.tab === 'mentions') {
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return html`
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<tf-tab-mentions
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.following=${this.following}
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whoami=${this.whoami}
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.users="${this.users}}"
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></tf-tab-mentions>
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`;
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} else if (this.tab === 'search') {
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return html`
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<tf-tab-search
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.following=${this.following}
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whoami=${this.whoami}
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.users=${this.users}
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query=${this.hash?.startsWith('#q=')
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? decodeURIComponent(this.hash.substring(3))
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: null}
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></tf-tab-search>
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`;
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} else if (this.tab === 'query') {
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return html`
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<tf-tab-query
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.following=${this.following}
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whoami=${this.whoami}
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.users=${this.users}
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query=${this.hash?.startsWith('#sql=')
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? decodeURIComponent(this.hash.substring(5))
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: null}
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></tf-tab-query>
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`;
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}
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}
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async set_tab(tab) {
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this.tab = tab;
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if (tab === 'news') {
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await tfrpc.rpc.setHash('#');
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} else if (tab === 'connections') {
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await tfrpc.rpc.setHash('#connections');
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} else if (tab === 'mentions') {
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await tfrpc.rpc.setHash('#mentions');
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} else if (tab === 'query') {
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await tfrpc.rpc.setHash('#sql=');
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}
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}
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render() {
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let self = this;
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if (!this.loading && this.whoami && this.loaded !== this.whoami) {
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this.loading = true;
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this.load().finally(function () {
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self.loading = false;
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});
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}
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const k_tabs = {
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'📰': 'news',
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'📡': 'connections',
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'@': 'mentions',
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'🔍': 'search',
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'👩💻': 'query',
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};
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let tabs = html`
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<style>
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@media only screen and (max-width: 650px) {
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.hide-on-small-screens {
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display: none;
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}
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}
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</style>
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<div class="w3-bar w3-theme-l1">
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${Object.entries(k_tabs).map(
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([k, v]) => html`
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<button
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title=${v}
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class="w3-bar-item w3-padding-large w3-hover-theme tab ${self.tab ==
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v
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? 'w3-theme-l2'
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: 'w3-theme-l1'}"
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@click=${() => self.set_tab(v)}
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>
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${k}
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<span class="hide-on-small-screens">${v}</span>
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</button>
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`
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)}
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</div>
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`;
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let contents = !this.loaded
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? this.loading
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? html`<div class="w3-panel w3-theme-l5 w3-card-4 w3-padding-large w3-round-xlarge">
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Loading...
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</div>
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${this.render_tab()}`
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: html`<div>Select or create an identity.</div>`
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: this.render_tab();
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return html`
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<div
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style="width: 100vw; min-height: 100vh; height: 100%"
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class="w3-theme-dark"
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>
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${tabs}
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<div style="padding: 8px">
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${this.tags.map(
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(x) => html`<tf-tag tag=${x.tag} count=${x.count}></tf-tag>`
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)}
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${contents}
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</div>
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</div>
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`;
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}
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}
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customElements.define('tf-app', TfElement);
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