Cory McWilliams
7da3244da2
All checks were successful
Build Tilde Friends / Build-All (push) Successful in 16m29s
583 lines
14 KiB
JavaScript
583 lines
14 KiB
JavaScript
import {LitElement, html, unsafeHTML, live} from './lit-all.min.js';
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import * as tfutils from './tf-utils.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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import Tribute from './tribute.esm.js';
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class TfComposeElement 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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users: {type: Object},
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root: {type: String},
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branch: {type: String},
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apps: {type: Object},
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drafts: {type: Object},
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author: {type: String},
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channel: {type: String},
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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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this.users = {};
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this.root = undefined;
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this.branch = undefined;
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this.apps = undefined;
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this.drafts = {};
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this.author = undefined;
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}
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process_text(text) {
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if (!text) {
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return '';
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}
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/* Update mentions. */
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let draft = this.get_draft();
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let updated = false;
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for (let match of text.matchAll(/\[([^\[]+)]\(([@&%][^\)]+)/g)) {
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let name = match[1];
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let link = match[2];
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let balance = 0;
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let bracket_end = match.index + match[1].length + '[]'.length - 1;
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for (let i = bracket_end; i >= 0; i--) {
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if (text.charAt(i) == ']') {
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balance++;
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} else if (text.charAt(i) == '[') {
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balance--;
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}
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if (balance <= 0) {
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name = text.substring(i + 1, bracket_end);
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break;
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}
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}
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if (!draft.mentions) {
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draft.mentions = {};
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}
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if (!draft.mentions[link]) {
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draft.mentions[link] = {
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link: link,
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};
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}
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draft.mentions[link].name = name.startsWith('@')
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? name.substring(1)
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: name;
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updated = true;
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}
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if (updated) {
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setTimeout(() => this.notify(draft), 0);
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}
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return tfutils.markdown(text);
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}
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input(event) {
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let edit = this.renderRoot.getElementById('edit');
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let preview = this.renderRoot.getElementById('preview');
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preview.innerHTML = this.process_text(edit.innerText);
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let content_warning = this.renderRoot.getElementById('content_warning');
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let draft = this.get_draft();
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draft.text = edit.innerText;
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draft.content_warning = content_warning?.value;
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setTimeout(() => this.notify(draft), 0);
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}
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notify(draft) {
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this.dispatchEvent(
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new CustomEvent('tf-draft', {
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bubbles: true,
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composed: true,
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detail: {
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id: this.branch,
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draft: draft,
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},
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})
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);
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}
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convert_to_format(buffer, type, mime_type) {
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return new Promise(function (resolve, reject) {
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let img = new Image();
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img.onload = function () {
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let canvas = document.createElement('canvas');
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let width_scale = Math.min(img.width, 1024) / img.width;
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let height_scale = Math.min(img.height, 1024) / img.height;
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let scale = Math.min(width_scale, height_scale);
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canvas.width = img.width * scale;
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canvas.height = img.height * scale;
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let context = canvas.getContext('2d');
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context.drawImage(img, 0, 0, canvas.width, canvas.height);
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let data_url = canvas.toDataURL(mime_type);
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let result = atob(data_url.split(',')[1])
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.split('')
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.map((x) => x.charCodeAt(0));
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resolve(result);
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};
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img.onerror = function (event) {
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reject(new Error('Failed to load image.'));
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};
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let raw = Array.from(new Uint8Array(buffer))
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.map((b) => String.fromCharCode(b))
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.join('');
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let original = `data:${type};base64,${btoa(raw)}`;
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img.src = original;
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});
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}
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async add_file(file) {
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try {
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let draft = this.get_draft();
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let self = this;
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let buffer = await file.arrayBuffer();
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let type = file.type;
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if (type.startsWith('image/')) {
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let best_buffer;
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let best_type;
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for (let format of ['image/png', 'image/jpeg', 'image/webp']) {
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let test_buffer = await self.convert_to_format(
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buffer,
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file.type,
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format
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);
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if (!best_buffer || test_buffer.length < best_buffer.length) {
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best_buffer = test_buffer;
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best_type = format;
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}
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}
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buffer = best_buffer;
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type = best_type;
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} else {
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buffer = Array.from(new Uint8Array(buffer));
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}
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let id = await tfrpc.rpc.store_blob(buffer);
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let name = type.split('/')[0] + ':' + file.name;
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if (!draft.mentions) {
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draft.mentions = {};
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}
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draft.mentions[id] = {
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link: id,
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name: name,
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type: type,
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size: buffer.length ?? buffer.byteLength,
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};
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let edit = self.renderRoot.getElementById('edit');
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edit.innerText += `\n`;
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self.input();
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} catch (e) {
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alert(e?.message);
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}
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}
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paste(event) {
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let self = this;
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for (let item of event.clipboardData.items) {
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if (item.type?.startsWith('image/')) {
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let file = item.getAsFile();
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if (!file) {
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continue;
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}
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self.add_file(file);
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break;
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}
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}
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event.preventDefault();
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document.execCommand(
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'insertText',
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false,
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event.clipboardData.getData('text/plain')
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);
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}
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async submit() {
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let self = this;
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let draft = this.get_draft();
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let edit = this.renderRoot.getElementById('edit');
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let message = {
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type: 'post',
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text: edit.innerText,
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channel: this.channel,
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};
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if (this.root || this.branch) {
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message.root = this.root;
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message.branch = this.branch;
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}
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if (Object.values(draft.mentions || {}).length) {
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message.mentions = Object.values(draft.mentions);
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}
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if (draft.content_warning !== undefined) {
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message.contentWarning = draft.content_warning;
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}
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console.log('Would post:', message);
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if (draft.encrypt_to) {
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let to = new Set(draft.encrypt_to);
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to.add(this.whoami);
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to = [...to];
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message.recps = to;
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console.log('message is now', message);
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message = await tfrpc.rpc.encrypt(
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this.whoami,
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to,
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JSON.stringify(message)
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);
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console.log('encrypted as', message);
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}
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try {
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await tfrpc.rpc.appendMessage(this.whoami, message);
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self.notify(undefined);
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} catch (error) {
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alert(error.message);
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}
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}
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discard() {
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this.notify(undefined);
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}
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attach() {
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let self = this;
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let input = document.createElement('input');
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input.type = 'file';
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input.onchange = function (event) {
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let file = event.target.files[0];
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self.add_file(file);
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};
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input.click();
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}
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async autocomplete(text, callback) {
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this.last_autocomplete = text;
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let results = [];
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try {
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let rows = await tfrpc.rpc.query(
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`
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SELECT json(messages.content) AS content FROM messages_fts(?)
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JOIN messages ON messages.rowid = messages_fts.rowid
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WHERE json(messages.content) LIKE ?
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ORDER BY timestamp DESC LIMIT 10
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`,
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['"' + text.replace('"', '""') + '"', `%%`]
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);
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for (let row of rows) {
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for (let match of row.content.matchAll(/!\[([^\]]*)\]\((&.*?)\)/g)) {
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if (match[1].toLowerCase().indexOf(text.toLowerCase()) != -1) {
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results.push({key: match[1], value: match[2]});
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}
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}
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}
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} finally {
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if (this.last_autocomplete === text) {
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callback(results);
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}
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}
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}
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firstUpdated() {
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let values = Object.entries(this.users).map((x) => ({
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key: x[1].name ?? x[0],
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value: x[0],
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}));
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if (this.author) {
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values = [].concat(
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[
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{
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key: this.users[this.author]?.name,
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value: this.author,
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},
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],
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values
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);
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}
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let tribute = new Tribute({
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iframe: this.shadowRoot,
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collection: [
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{
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values: values,
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selectTemplate: function (item) {
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return item
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? `[@${item.original.key}](${item.original.value})`
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: undefined;
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},
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},
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{
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trigger: '&',
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values: this.autocomplete,
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selectTemplate: function (item) {
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return item
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? ``
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: undefined;
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},
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},
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],
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});
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tribute.attach(this.renderRoot.getElementById('edit'));
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}
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updated() {
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super.updated();
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let edit = this.renderRoot.getElementById('edit');
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if (this.last_updated_text !== edit.innerText) {
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let preview = this.renderRoot.getElementById('preview');
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preview.innerHTML = this.process_text(edit.innerText);
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this.last_updated_text = edit.innerText;
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}
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let encrypt = this.renderRoot.getElementById('encrypt_to');
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if (encrypt) {
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let tribute = new Tribute({
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iframe: this.shadowRoot,
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values: Object.entries(this.users).map((x) => ({
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key: x[1].name,
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value: x[0],
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})),
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selectTemplate: function (item) {
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return item.original.value;
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},
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});
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tribute.attach(encrypt);
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}
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}
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remove_mention(id) {
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let draft = this.get_draft();
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delete draft.mentions[id];
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setTimeout(() => this.notify(), 0);
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}
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render_mention(mention) {
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let self = this;
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return html` <div style="display: flex; flex-direction: row">
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<div style="align-self: center; margin: 0.5em">
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<button
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class="w3-button w3-theme-d1"
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title="Remove ${mention.name} mention"
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@click=${() => self.remove_mention(mention.link)}
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>
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🚮
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</button>
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</div>
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<div style="display: flex; flex-direction: column">
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<h3>${mention.name}</h3>
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<div style="padding-left: 1em">
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${Object.entries(mention)
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.filter((x) => x[0] != 'name')
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.map(
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(x) =>
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html`<div>
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<span style="font-weight: bold">${x[0]}</span>: ${x[1]}
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</div>`
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)}
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</div>
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</div>
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</div>`;
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}
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render_attach_app() {
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let self = this;
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async function attach_selected_app() {
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let name = self.renderRoot.getElementById('select').value;
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let id = self.apps[name];
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let mentions = {};
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mentions[id] = {
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name: name,
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link: id,
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type: 'application/tildefriends',
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};
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if (name && id) {
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let app = JSON.parse(await tfrpc.rpc.get_blob(id));
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for (let entry of Object.entries(app.files)) {
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mentions[entry[1]] = {
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name: entry[0],
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link: entry[1],
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};
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}
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}
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let draft = self.get_draft();
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draft.mentions = Object.assign(draft.mentions || {}, mentions);
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self.requestUpdate();
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self.notify(draft);
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self.apps = null;
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}
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if (this.apps) {
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return html`
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<div class="w3-card-4 w3-margin w3-padding">
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<select id="select" class="w3-select w3-theme-d1">
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${Object.keys(self.apps).map(
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(app) => html`<option value=${app}>${app}</option>`
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)}
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</select>
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<button class="w3-button w3-theme-d1" @click=${attach_selected_app}>
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Attach
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</button>
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<button
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class="w3-button w3-theme-d1"
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@click=${() => (this.apps = null)}
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>
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Cancel
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</button>
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</div>
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`;
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}
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}
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render_attach_app_button() {
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let self = this;
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async function attach_app() {
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self.apps = await tfrpc.rpc.apps();
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}
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if (!this.apps) {
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return html`<button class="w3-button w3-theme-d1" @click=${attach_app}>
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Attach App
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</button>`;
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} else {
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return html`<button
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class="w3-button w3-theme-d1"
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@click=${() => (this.apps = null)}
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>
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Discard App
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</button>`;
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}
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}
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set_content_warning(value) {
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let draft = this.get_draft();
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draft.content_warning = value;
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this.notify(draft);
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this.requestUpdate();
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}
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render_content_warning() {
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let self = this;
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let draft = this.get_draft();
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if (draft.content_warning !== undefined) {
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return html`
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<div class="w3-container w3-padding">
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<p>
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<input type="checkbox" class="w3-check w3-theme-d1" id="cw" @change=${() => self.set_content_warning(undefined)} checked="checked"></input>
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<label for="cw">CW</label>
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</p>
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<input type="text" class="w3-input w3-border w3-theme-d1" id="content_warning" placeholder="Enter a content warning here." @input=${self.input} value=${draft.content_warning}></input>
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</div>
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`;
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} else {
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return html`
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<input type="checkbox" class="w3-check w3-theme-d1" id="cw" @change=${() => self.set_content_warning('')}></input>
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<label for="cw">CW</label>
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`;
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}
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}
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get_draft() {
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return this.drafts[this.branch || ''] || {};
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}
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update_encrypt(event) {
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let input = event.srcElement;
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let matches = input.value.match(/@.*?\.ed25519/g);
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if (matches) {
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let draft = this.get_draft();
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let to = [...new Set(matches.concat(draft.encrypt_to))];
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this.set_encrypt(to);
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input.value = '';
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}
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}
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render_encrypt() {
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let draft = this.get_draft();
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if (draft.encrypt_to === undefined) {
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return;
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}
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return html`
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<div style="display: flex; flex-direction: row; width: 100%">
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<label for="encrypt_to">🔐 To:</label>
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<input type="text" id="encrypt_to" style="display: flex; flex: 1 1" @input=${this.update_encrypt}></input>
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<button class="w3-button w3-theme-d1" @click=${() => this.set_encrypt(undefined)}>🚮</button>
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</div>
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<ul>
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${draft.encrypt_to.map(
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(x) => html`
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<li>
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<tf-user id=${x} .users=${this.users}></tf-user>
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<input type="button" class="w3-button w3-theme-d1" value="🚮" @click=${() => this.set_encrypt(draft.encrypt_to.filter((id) => id != x))}></input>
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</li>`
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)}
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</ul>
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`;
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}
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set_encrypt(encrypt) {
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let draft = this.get_draft();
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draft.encrypt_to = encrypt;
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this.notify(draft);
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this.requestUpdate();
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}
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render() {
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let self = this;
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let draft = self.get_draft();
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let content_warning =
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draft.content_warning !== undefined
|
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? html`<div class="w3-panel w3-round-xlarge w3-theme-d2">
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<p id="content_warning_preview">${draft.content_warning}</p>
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</div>`
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: undefined;
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let encrypt =
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draft.encrypt_to !== undefined
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? undefined
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: html`<button
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class="w3-button w3-theme-d1"
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@click=${() => this.set_encrypt([])}
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>
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🔐
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</button>`;
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let result = html`
|
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<div
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class="w3-card-4 w3-theme-d4 w3-padding-small"
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style="box-sizing: border-box"
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>
|
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${this.channel !== undefined
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? html`<p>To #${this.channel}:</p>`
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: undefined}
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${this.render_encrypt()}
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<div class="w3-container w3-padding-small">
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|
<div class="w3-half">
|
|
<span
|
|
class="w3-input w3-theme-d1 w3-border"
|
|
style="resize: vertical; width: 100%; overflow: hidden; white-space: pre-wrap"
|
|
placeholder="Write a post here."
|
|
id="edit"
|
|
@input=${this.input}
|
|
@paste=${this.paste}
|
|
contenteditable="plaintext-only"
|
|
.innerText=${live(draft.text ?? '')}
|
|
></span>
|
|
</div>
|
|
<div class="w3-half w3-padding">
|
|
${content_warning}
|
|
<div id="preview"></div>
|
|
</div>
|
|
</div>
|
|
${Object.values(draft.mentions || {}).map((x) =>
|
|
self.render_mention(x)
|
|
)}
|
|
${this.render_attach_app()} ${this.render_content_warning()}
|
|
<button class="w3-button w3-theme-d1" id="submit" @click=${this.submit}>
|
|
Submit
|
|
</button>
|
|
<button class="w3-button w3-theme-d1" @click=${this.attach}>
|
|
Attach
|
|
</button>
|
|
${this.render_attach_app_button()} ${encrypt}
|
|
<button class="w3-button w3-theme-d1" @click=${this.discard}>
|
|
Discard
|
|
</button>
|
|
</div>
|
|
`;
|
|
return result;
|
|
}
|
|
}
|
|
|
|
customElements.define('tf-compose', TfComposeElement);
|