const config = require('../config'); const { redisAsync } = require('./redis'); function returnRelevantKeys(json) { return { title: json.data.title, public_description_html: json.data.public_description_html, active_user_count: json.data.active_user_count, subscribers: json.data.subscribers, created_utc: json.data.created_utc, over18: json.data.over18, description_html: json.data.description_html, moderators: json.moderators, }; } async function processSubredditAbout(subreddit, redis, fetch, RedditAPI) { if (subreddit && !subreddit.includes('+') && subreddit !== 'all') { const key = `${subreddit}:sidebar`; try { const cached = await redisAsync.get(key); if (cached !== null) { return returnRelevantKeys(JSON.parse(cached)); } let url = `https://reddit.com/r/${subreddit}/about.json`; if (config.use_reddit_oauth) { url = `https://oauth.reddit.com/r/${subreddit}/about`; } const subredditAboutRequest = await fetch(url, redditApiGETHeaders()); if (subredditAboutRequest.ok) { let response = await subredditAboutRequest.json(); response.moderators = []; await redisAsync.setex( key, config.setexs.sidebar, JSON.stringify(response) ); console.log(`Fetched sidebar for ${subreddit} from reddit API`); return returnRelevantKeys(response); } else { console.error( `Something went wrong while fetching data from reddit API: ${subredditAboutRequest.status} – ${subredditAboutRequest.statusText}` ); console.error(config.reddit_api_error_text); return null; } } catch (error) { console.error('Error fetching the sidebar: ', error); return null; } } else { return null; } } module.exports = processSubredditAbout;