mirror of
https://github.com/CompeyDev/fxtwitter-docker.git
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269 lines
8.6 KiB
TypeScript
269 lines
8.6 KiB
TypeScript
import { Constants } from './constants';
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import { handleQuote } from './quote';
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import { sanitizeText } from './utils';
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import { Strings } from './strings';
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import { getAuthorText } from './author';
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import { statusAPI } from './api';
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export const returnError = (error: string): StatusResponse => {
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return {
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text: Strings.BASE_HTML.format({
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lang: '',
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headers: [
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`<meta content="${Constants.BRANDING_NAME}" property="og:title"/>`,
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`<meta content="${error}" property="og:description"/>`
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].join('')
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})
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};
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};
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export const handleStatus = async (
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status: string,
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mediaNumber?: number,
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userAgent?: string,
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flags?: InputFlags,
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language?: string
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): Promise<StatusResponse> => {
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console.log('Direct?', flags?.direct);
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const api = await statusAPI(status, language);
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const tweet = api?.tweet as APITweet;
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if (flags?.api) {
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return {
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response: new Response(JSON.stringify(api), {
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headers: { ...Constants.RESPONSE_HEADERS, 'content-type': 'application/json' },
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status: api.code
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})
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};
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}
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switch (api.code) {
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case 401:
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return returnError(Strings.ERROR_PRIVATE);
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case 404:
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return returnError(Strings.ERROR_TWEET_NOT_FOUND);
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case 500:
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return returnError(Strings.ERROR_API_FAIL);
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}
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if (flags?.direct && tweet.media) {
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let redirectUrl: string | null = null;
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if (tweet.media.video) {
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redirectUrl = tweet.media.video.url;
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} else if (tweet.media.photos) {
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const photos = tweet.media.photos;
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redirectUrl = (photos[(mediaNumber || 1) - 1] || photos[0]).url;
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}
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if (redirectUrl) {
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return { response: Response.redirect(redirectUrl, 302) };
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}
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}
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/* Use quote media if there is no media */
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if (!tweet.media && tweet.quote?.media) {
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tweet.media = tweet.quote.media;
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tweet.twitter_card = tweet.quote.twitter_card;
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}
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let authorText = getAuthorText(tweet) || Strings.DEFAULT_AUTHOR_TEXT;
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const engagementText = authorText.replace(/ {4}/g, ' ');
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const siteName = Constants.BRANDING_NAME;
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let newText = tweet.text;
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const headers = [
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`<meta content="${tweet.color}" property="theme-color"/>`,
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`<meta name="twitter:card" content="${tweet.twitter_card}"/>`,
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`<meta name="twitter:site" content="@${tweet.author.screen_name}"/>`,
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`<meta name="twitter:creator" content="@${tweet.author.screen_name}"/>`,
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`<meta name="twitter:title" content="${tweet.author.name} (@${tweet.author.screen_name})"/>`
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];
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if (userAgent?.indexOf('Telegram') === -1) {
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headers.push(
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`<meta http-equiv="refresh" content="0;url=https://twitter.com/${tweet.author.screen_name}/status/${tweet.id}"/>`
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);
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}
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if (tweet.translation) {
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const { translation } = tweet;
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const formatText =
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language === 'en'
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? Strings.TRANSLATE_TEXT.format({
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language: translation.source_lang_en
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})
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: Strings.TRANSLATE_TEXT_INTL.format({
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source: translation.source_lang.toUpperCase(),
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destination: translation.target_lang.toUpperCase()
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});
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newText = `${translation.text}\n\n` + `${formatText}\n\n` + `${newText}`;
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}
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/* Video renderer */
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if (tweet.media?.video) {
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authorText = newText || '';
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if (tweet?.translation) {
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authorText = tweet.translation?.text || '';
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}
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const { video } = tweet.media;
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/* Multiplying by 0.5 is an ugly hack to fix Discord
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disliking videos that are too large lol */
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let sizeMultiplier = 1;
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if (video.width > 1920 || video.height > 1920) {
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sizeMultiplier = 0.5;
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}
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if (video.width < 400 && video.height < 400) {
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sizeMultiplier = 2;
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}
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headers.push(
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`<meta name="twitter:player:stream:content_type" content="${video.format}"/>`,
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`<meta name="twitter:player:height" content="${video.height * sizeMultiplier}"/>`,
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`<meta name="twitter:player:width" content="${video.width * sizeMultiplier}"/>`,
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`<meta name="og:video" content="${video.url}"/>`,
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`<meta name="og:video:secure_url" content="${video.url}"/>`,
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`<meta name="og:video:height" content="${video.height * sizeMultiplier}"/>`,
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`<meta name="og:video:width" content="${video.width * sizeMultiplier}"/>`,
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`<meta name="og:video:type" content="${video.format}"/>`,
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`<meta name="twitter:image" content="0"/>`
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);
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}
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/* Photo renderer */
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if (tweet.media?.photos) {
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const { photos } = tweet.media;
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let photo = photos[(mediaNumber || 1) - 1];
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if (typeof mediaNumber !== 'number' && tweet.media.mosaic) {
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photo = {
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url:
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userAgent?.indexOf('Telegram') === -1
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? tweet.media.mosaic.formats.webp
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: tweet.media.mosaic.formats.jpeg,
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width: tweet.media.mosaic.width,
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height: tweet.media.mosaic.height,
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type: 'photo'
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};
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} else if (photos.length > 1) {
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const photoCounter = Strings.PHOTO_COUNT.format({
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number: String(photos.indexOf(photo) + 1),
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total: String(photos.length)
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});
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authorText =
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authorText === Strings.DEFAULT_AUTHOR_TEXT
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? photoCounter
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: `${authorText} ― ${photoCounter}`;
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let siteName = `${Constants.BRANDING_NAME} - ${photoCounter}`;
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if (engagementText) {
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siteName = `${Constants.BRANDING_NAME} - ${engagementText} - ${photoCounter}`;
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}
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headers.push(`<meta property="og:site_name" content="${siteName}"/>`);
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}
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headers.push(
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`<meta name="twitter:image" content="${photo.url}"/>`,
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`<meta name="twitter:image:width" content="${photo.width}"/>`,
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`<meta name="twitter:image:height" content="${photo.height}"/>`,
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`<meta name="og:image" content="${photo.url}"/>`,
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`<meta name="og:image:width" content="${photo.width}"/>`,
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`<meta name="og:image:height" content="${photo.height}"/>`
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);
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}
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/* External media renderer (i.e. YouTube) */
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if (tweet.media?.external) {
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const { external } = tweet.media;
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authorText = newText || '';
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headers.push(
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`<meta name="twitter:player" content="${external.url}">`,
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`<meta name="twitter:player:width" content="${external.width}">`,
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`<meta name="twitter:player:height" content="${external.height}">`,
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`<meta property="og:type" content="video.other">`,
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`<meta property="og:video:url" content="${external.url}">`,
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`<meta property="og:video:secure_url" content="${external.url}">`,
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`<meta property="og:video:width" content="${external.width}">`,
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`<meta property="og:video:height" content="${external.height}">`
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);
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}
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/* Poll renderer */
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if (tweet.poll) {
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const { poll } = tweet;
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let barLength = 36;
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let str = '';
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if (userAgent?.indexOf('Telegram') !== -1) {
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barLength = 24;
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}
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tweet.poll.choices.forEach(choice => {
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// render bar
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const bar = '█'.repeat((choice.percentage / 100) * barLength);
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// eslint-disable-next-line no-irregular-whitespace
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str += `${bar}\n${choice.label} (${choice.percentage}%)
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`;
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});
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str += `\n${poll.total_votes} votes · ${poll.time_left_en}`;
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newText += `\n\n${str}`;
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}
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if (!tweet.media?.video && !tweet.media?.photos) {
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headers.push(
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// Use a slightly higher resolution image for profile pics
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`<meta property="og:image" content="${tweet.author.avatar_url?.replace(
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'_normal',
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'_200x200'
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)}"/>`,
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`<meta name="twitter:image" content="0"/>`
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);
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}
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if (api.tweet?.quote) {
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const quoteText = handleQuote(api.tweet.quote);
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newText += `\n${quoteText}`;
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}
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headers.push(
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`<meta content="${tweet.author.name} (@${tweet.author.screen_name})" property="og:title"/>`,
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`<meta content="${sanitizeText(newText)}" property="og:description"/>`,
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`<meta content="${siteName}" property="og:site_name"/>`
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);
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/* Special reply handling if authorText is not overriden */
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if (tweet.replying_to && authorText === Strings.DEFAULT_AUTHOR_TEXT) {
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authorText = `↪ Replying to @${tweet.replying_to}`;
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}
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/* The additional oembed is pulled by Discord to enable improved embeds.
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Telegram does not use this. */
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headers.push(
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`<link rel="alternate" href="${Constants.HOST_URL}/owoembed?text=${encodeURIComponent(
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authorText.substring(0, 200)
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)}&status=${encodeURIComponent(status)}&author=${encodeURIComponent(
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tweet.author?.screen_name || ''
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)}" type="application/json+oembed" title="${tweet.author.name}">`
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);
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/* When dealing with a Tweet of unknown lang, fall back to en */
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const lang = tweet.lang === 'unk' ? 'en' : tweet.lang || 'en';
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return {
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text: Strings.BASE_HTML.format({
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lang: `lang="${lang}"`,
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headers: headers.join('')
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})
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};
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};
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