96 lines
4.4 KiB
JavaScript
96 lines
4.4 KiB
JavaScript
module.exports = function() {
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const config = require('../config')
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this.processSubredditAbout = (subreddit, redis, fetch, RedditAPI) => {
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return new Promise(resolve => {
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(async () => {
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if(subreddit && !subreddit.includes('+') && subreddit !== 'all') {
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function returnRelevantKeys(json) {
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return {
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title: json.data.title,
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public_description_html: json.data.public_description_html,
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active_user_count: json.data.active_user_count,
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subscribers: json.data.subscribers,
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created_utc: json.data.created_utc,
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over18: json.data.over18,
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description_html: json.data.description_html,
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moderators: json.moderators
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}
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}
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let key = `${subreddit}:sidebar`
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redis.get(key, (error, json) => {
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if(error) {
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console.error(`Error getting the ${subreddit}:sidebar key from redis.`, error)
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resolve(null)
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}
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if(json) {
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json = JSON.parse(json)
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resolve(returnRelevantKeys(json))
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} else {
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let url = `https://reddit.com/r/${subreddit}/about.json`
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if(config.use_reddit_oauth) {
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url = `https://oauth.reddit.com/r/${subreddit}/about`
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}
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fetch(encodeURI(url), redditApiGETHeaders())
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.then(result => {
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if(result.status === 200) {
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result.json()
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.then(json => {
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json.moderators = []
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redis.setex(key, config.setexs.sidebar, JSON.stringify(json), (error) => {
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if(error) {
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console.error('Error setting the sidebar key to redis.', error)
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return res.render('index', { json: null, user_preferences: req.cookies })
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} else {
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console.log('Fetched the sidebar from reddit API.')
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let moderators_url = `https://reddit.com/r/${subreddit}/about/moderators.json`
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if(config.use_reddit_oauth) {
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moderators_url = `https://oauth.reddit.com/r/${subreddit}/about/moderators`
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}
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fetch(encodeURI(moderators_url), redditApiGETHeaders())
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.then(mod_result => {
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if(mod_result.status === 200) {
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mod_result.json()
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.then(mod_json => {
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json.moderators = mod_json
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redis.setex(key, config.setexs.sidebar, JSON.stringify(json), (error) => {
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if(error) {
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console.error('Error setting the sidebar with moderators key to redis.', error)
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return res.render('index', { json: null, user_preferences: req.cookies })
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} else {
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console.log('Fetched the moderators from reddit API.')
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resolve(returnRelevantKeys(json))
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}
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})
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})
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} else {
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console.error(`Something went wrong while fetching moderators data from reddit API. ${mod_result.status} – ${mod_result.statusText}`)
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console.error(config.reddit_api_error_text)
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resolve(returnRelevantKeys(json))
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}
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}).catch(error => {
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console.error('Error fetching moderators.', error)
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resolve(returnRelevantKeys(json))
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})
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}
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})
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})
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} else {
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console.error(`Something went wrong while fetching data from reddit API. ${result.status} – ${result.statusText}`)
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console.error(config.reddit_api_error_text)
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resolve(null)
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}
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}).catch(error => {
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console.error('Error fetching the sidebar.', error)
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resolve(null)
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})
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}
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})
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} else {
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resolve(null)
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}
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})()
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})
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}
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}
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