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teddit-reddit-frontend-alternativa
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teddit-reddit-frontend-alte.../routes/subreddit.js

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separate subreddit routes
2021-09-02 20:56:37 +02:00
const config = require('../config');
const { redis, fetch, RedditAPI } = require('../app');
const subredditRoutes = require('express').Router();
convert processJsonPost to async functions
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const {
processJsonPost,
finalizeJsonPost,
} = require('../inc/processJsonPost.js');
convert processSubredditAbout to async function
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const processSubredditAbout = require('../inc/processSubredditAbout.js');
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const processSearchResults = require('../inc/processSearchResults.js');
convert processJsonSubreddit to async function
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const processJsonSubreddit = require('../inc/processJsonSubreddit.js');
require all route helper functions
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const tedditApiSubreddit = require('../inc/teddit_api/handleSubreddit.js')();
fix including processMoreComments()
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const processMoreComments = require('../inc/processMoreComments.js');
convert processJsonSubredditsExplore to async function
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const processJsonSubredditsExplore = require('../inc/processSubredditsExplore.js');
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subredditRoutes.get('/r/:subreddit/search', (req, res, next) => {
let subreddit = req.params.subreddit;
let q = req.query.q;
if (typeof q === 'undefined') {
return res.render('search', {
json: { posts: [] },
no_query: true,
q: '',
restrict_sr: undefined,
nsfw: undefined,
subreddit: subreddit,
sortby: undefined,
past: undefined,
user_preferences: req.cookies,
});
}
let restrict_sr = req.query.restrict_sr;
let nsfw = req.query.nsfw;
let sortby = req.query.sort;
let past = req.query.t;
let after = req.query.after;
let before = req.query.before;
if (!after) {
after = '';
}
if (!before) {
before = '';
}
let d = `&after=${after}`;
if (before) {
d = `&before=${before}`;
}
if (restrict_sr !== 'on') {
restrict_sr = 'off';
}
if (nsfw !== 'on') {
nsfw = 'off';
}
improve subreddit search, include sort and t params (#204)
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let count = '&count=25';
if (after == '') {
count = '';
}
separate subreddit routes
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let key = `search:${subreddit}:${q}:${restrict_sr}:${sortby}:${past}:${after}:${before}:${nsfw}`;
redis.get(key, (error, json) => {
if (error) {
console.error('Error getting the search key from redis.', error);
Rename index.pug to frontpage.pug
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return res.render('frontpage', {
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json: null,
user_preferences: req.cookies,
});
}
if (json) {
console.log('Got search key from redis.');
(async () => {
let processed_json = await processSearchResults(
json,
false,
after,
before,
req.cookies
);
return res.render('search', {
json: processed_json,
no_query: false,
q: q,
restrict_sr: restrict_sr,
nsfw: nsfw,
subreddit: subreddit,
sortby: sortby,
past: past,
user_preferences: req.cookies,
});
})();
} else {
let url = '';
if (config.use_reddit_oauth)
improve subreddit search, include sort and t params (#204)
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url = `https://oauth.reddit.com/r/${subreddit}/search?api_type=json&q=${q}&restrict_sr=${restrict_sr}&include_over_18=${nsfw}&sort=${sortby}&t=${past}${count}${d}`;
separate subreddit routes
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else
improve subreddit search, include sort and t params (#204)
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url = `https://reddit.com/r/${subreddit}/search.json?api_type=json&q=${q}&restrict_sr=${restrict_sr}&include_over_18=${nsfw}&sort=${sortby}&t=${past}${count}${d}`;
separate subreddit routes
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fetch(encodeURI(url), redditApiGETHeaders())
.then((result) => {
if (result.status === 200) {
result.json().then((json) => {
(async () => {
/**
* Fetch suggested subreddits when the restrict_sr option is
* turned off ("limit my search to") and we are on the first search
* page (just like in Reddit).
*/
json.suggested_subreddits = {};
if (restrict_sr === 'off' && before == '' && after == '') {
let url = `https://reddit.com/subreddits/search.json?q=${q}&include_over_18=${nsfw}&limit=3`;
const response = await fetch(encodeURI(url));
const data = await response.json();
json.suggested_subreddits = data;
}
redis.setex(
key,
config.setexs.searches,
JSON.stringify(json),
(error) => {
if (error) {
console.error(
'Error setting the searches key to redis.',
error
);
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return res.render('frontpage', {
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json: null,
user_preferences: req.cookies,
});
} else {
console.log('Fetched search results from Reddit.');
(async () => {
let processed_json = await processSearchResults(
json,
true,
after,
before,
req.cookies
);
return res.render('search', {
no_query: false,
json: processed_json,
q: q,
restrict_sr: restrict_sr,
nsfw: nsfw,
subreddit: subreddit,
sortby: sortby,
past: past,
user_preferences: req.cookies,
});
})();
}
}
);
})();
});
} else {
console.error(
`Something went wrong while fetching data from Reddit. ${result.status} – ${result.statusText}`
);
console.error(config.reddit_api_error_text);
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return res.render('frontpage', {
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json: null,
http_status_code: result.status,
user_preferences: req.cookies,
});
}
})
.catch((error) => {
console.error('Error fetching the frontpage JSON file.', error);
});
}
});
});
subredditRoutes.get(
'/r/:subreddit/wiki/:page?/:sub_page?',
(req, res, next) => {
let subreddit = req.params.subreddit;
let page = req.params.page;
let sub_page = req.params.sub_page || '';
if (!page) page = 'index';
if (sub_page != '') sub_page = `/${sub_page}`;
function formatWikipagelisting(json, subreddit) {
let html = '<ul class="wikipagelisting">';
if (json.kind === 'wikipagelisting' && json.data) {
for (var i = 0; i < json.data.length; i++) {
let d = json.data[i];
html += `<li><a href="/r/${subreddit}/wiki/${d}">${d}</a></li>`;
}
}
html += '</ul>';
return html;
}
let key = `${subreddit.toLowerCase()}:wiki:page:${page}:sub_page:${sub_page}`;
redis.get(key, (error, json) => {
if (error) {
console.error(
`Error getting the ${subreddit} wiki key from redis.`,
error
);
Rename index.pug to frontpage.pug
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return res.render('frontpage', {
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json: null,
user_preferences: req.cookies,
});
}
if (json) {
console.log(`Got /r/${subreddit} wiki key from redis.`);
json = JSON.parse(json);
return res.render('subreddit_wiki', {
content_html:
page !== 'pages'
? unescape(json.data.content_html)
: formatWikipagelisting(json, subreddit),
subreddit: subreddit,
user_preferences: req.cookies,
});
} else {
let url = '';
if (config.use_reddit_oauth)
url = `https://oauth.reddit.com/r/${subreddit}/wiki/${page}${sub_page}?api_type=json`;
else
url = `https://reddit.com/r/${subreddit}/wiki/${page}${sub_page}.json?api_type=json`;
fetch(encodeURI(url), redditApiGETHeaders())
.then((result) => {
if (result.status === 200) {
result.json().then((json) => {
redis.setex(
key,
config.setexs.wikis,
JSON.stringify(json),
(error) => {
if (error) {
console.error(
`Error setting the ${subreddit} wiki key to redis.`,
error
);
return res.render('subreddit', {
json: null,
user_preferences: req.cookies,
});
} else {
console.log(
`Fetched the JSON from reddit.com/r/${subreddit}/wiki.`
);
return res.render('subreddit_wiki', {
content_html:
page !== 'pages'
? unescape(json.data.content_html)
: formatWikipagelisting(json, subreddit),
subreddit: subreddit,
user_preferences: req.cookies,
});
}
}
);
});
} else {
if (result.status === 404) {
console.log('404 – Subreddit wiki not found');
} else {
console.error(
`Something went wrong while fetching data from Reddit. ${result.status} – ${result.statusText}`
);
console.error(config.reddit_api_error_text);
}
Rename index.pug to frontpage.pug
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return res.render('frontpage', {
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json: null,
http_status_code: result.status,
user_preferences: req.cookies,
});
}
})
.catch((error) => {
console.error(
`Error fetching the JSON file from reddit.com/r/${subreddit}/wiki.`,
error
);
});
}
});
}
);
subredditRoutes.get('/r/:subreddit/w/:page?/:sub_page?', (req, res, next) => {
/* "w" is a shorturl for wikis for example https://old.reddit.com/r/privacytoolsIO/w/index */
let subreddit = req.params.subreddit;
let page = req.params.page;
let sub_page = req.params.sub_page || '';
if (!page) page = 'index';
if (sub_page != '') sub_page = `/${sub_page}`;
return res.redirect(`/r/${subreddit}/wiki/${page}${sub_page}`);
});
subredditRoutes.get('/r/random', (req, res, next) => {
let url = '';
if (config.use_reddit_oauth)
url = `https://oauth.reddit.com/r/random?api_type=json&count=25&g=GLOBAL`;
else url = `https://reddit.com/r/random.json?api_type=json&count=25&g=GLOBAL`;
fetch(encodeURI(url), redditApiGETHeaders())
.then((result) => {
if (result.status === 200) {
result.json().then((json) => {
let subreddit = json.data.children[0].data.subreddit;
if (subreddit) {
let key = `${subreddit.toLowerCase()}:undefined:undefined:sort:hot:past:undefined`;
redis.setex(
key,
config.setexs.subreddit,
JSON.stringify(json),
(error) => {
if (error) {
console.error(
`Error setting the random subreddit key to redis.`,
error
);
return res.render('subreddit', {
json: null,
user_preferences: req.cookies,
});
} else {
console.log(
`Fetched the JSON from reddit.com/r/${subreddit}.`
);
return res.redirect(`/r/${subreddit}`);
}
}
);
} else {
console.error(`Fetching random subreddit failed.`, json);
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return res.render('frontpage', {
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json: null,
user_preferences: req.cookies,
});
}
});
} else {
if (result.status === 404) {
console.log('404 – Subreddit not found');
} else {
console.error(
`Something went wrong while fetching data from Reddit. ${result.status} – ${result.statusText}`
);
console.error(config.reddit_api_error_text);
}
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return res.render('frontpage', {
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json: null,
http_status_code: result.status,
user_preferences: req.cookies,
});
}
})
.catch((error) => {
console.error(
`Error fetching the JSON file from reddit.com/r/random.`,
error
);
});
});
subredditRoutes.get('/r/:subreddit/:sort?', (req, res, next) => {
let subreddit = req.params.subreddit;
let sortby = req.params.sort;
let past = req.query.t;
let before = req.query.before;
let after = req.query.after;
let api_req = req.query.api;
let api_type = req.query.type;
let api_target = req.query.target;
Update handleTedditApiSubreddit 'routes/subreddit.js'
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let api_mode = req.query.mode;
separate subreddit routes
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if (req.query.hasOwnProperty('api')) api_req = true;
else api_req = false;
let raw_json = api_req && req.query.raw_json == '1' ? 1 : 0;
let d = `&after=${after}`;
if (before) {
d = `&before=${before}`;
}
if (!sortby) {
sortby = 'hot';
}
if (
!['new', 'rising', 'controversial', 'top', 'gilded', 'hot'].includes(sortby)
) {
console.log(`Got invalid sort.`, req.originalUrl);
return res.redirect(`/r/${subreddit}`);
}
if (past) {
if (sortby === 'controversial' || sortby === 'top') {
if (!['hour', 'day', 'week', 'month', 'year', 'all'].includes(past)) {
console.error(`Got invalid past.`, req.originalUrl);
return res.redirect(`/r/${subreddit}/${sortby}`);
}
} else {
past = undefined;
}
} else {
if (sortby === 'controversial' || sortby === 'top') {
past = 'day';
}
}
let key = `${subreddit.toLowerCase()}:${after}:${before}:sort:${sortby}:past:${past}:raw_json:${raw_json}`;
redis.get(key, (error, json) => {
if (error) {
console.error(`Error getting the ${subreddit} key from redis.`, error);
Rename index.pug to frontpage.pug
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return res.render('frontpage', {
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json: null,
user_preferences: req.cookies,
});
}
if (json) {
console.log(`Got /r/${subreddit} key from redis.`);
(async () => {
if (api_req) {
return handleTedditApiSubreddit(
json,
req,
res,
'redis',
api_type,
api_target,
Update handleTedditApiSubreddit 'routes/subreddit.js'
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subreddit,
api_mode
separate subreddit routes
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);
} else {
let processed_json = await processJsonSubreddit(
json,
'redis',
null,
req.cookies
);
let subreddit_about = await processSubredditAbout(
subreddit,
redis,
fetch,
RedditAPI
);
if (!processed_json.error) {
return res.render('subreddit', {
json: processed_json,
subreddit: subreddit,
subreddit_about: subreddit_about,
subreddit_front: !before && !after ? true : false,
sortby: sortby,
past: past,
user_preferences: req.cookies,
instance_nsfw_enabled: config.nsfw_enabled,
redis_key: key,
after: req.query.after,
before: req.query.before,
});
} else {
return res.render('subreddit', {
json: null,
error: true,
data: processed_json,
user_preferences: req.cookies,
});
}
}
})();
} else {
let url = '';
if (config.use_reddit_oauth)
url = `https://oauth.reddit.com/r/${subreddit}/${sortby}?api_type=json&count=25&g=GLOBAL&t=${past}${d}&raw_json=${raw_json}`;
else
url = `https://reddit.com/r/${subreddit}/${sortby}.json?api_type=json&count=25&g=GLOBAL&t=${past}${d}&raw_json=${raw_json}`;
fetch(encodeURI(url), redditApiGETHeaders())
.then((result) => {
if (result.status === 200) {
result.json().then((json) => {
redis.setex(
key,
config.setexs.subreddit,
JSON.stringify(json),
(error) => {
if (error) {
console.error(
`Error setting the ${subreddit} key to redis.`,
error
);
return res.render('subreddit', {
json: null,
user_preferences: req.cookies,
});
} else {
console.log(
`Fetched the JSON from reddit.com/r/${subreddit}.`
);
(async () => {
if (api_req) {
return handleTedditApiSubreddit(
json,
req,
res,
'from_online',
api_type,
api_target,
Update handleTedditApiSubreddit 'routes/subreddit.js'
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subreddit,
api_mode
separate subreddit routes
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);
} else {
let processed_json = await processJsonSubreddit(
json,
'from_online',
null,
req.cookies
);
let subreddit_about = await processSubredditAbout(
subreddit,
redis,
fetch,
RedditAPI
);
return res.render('subreddit', {
json: processed_json,
subreddit: subreddit,
subreddit_about: subreddit_about,
subreddit_front: !before && !after ? true : false,
sortby: sortby,
past: past,
user_preferences: req.cookies,
instance_nsfw_enabled: config.nsfw_enabled,
redis_key: key,
after: req.query.after,
before: req.query.before,
});
}
})();
}
}
);
});
} else {
if (result.status === 404) {
console.log('404 – Subreddit not found');
} else {
console.error(
`Something went wrong while fetching data from Reddit. ${result.status} – ${result.statusText}`
);
console.error(config.reddit_api_error_text);
}
Rename index.pug to frontpage.pug
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return res.render('frontpage', {
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json: null,
http_status_code: result.status,
user_preferences: req.cookies,
});
}
})
.catch((error) => {
console.error(
`Error fetching the JSON file from reddit.com/r/${subreddit}.`,
error
);
});
}
});
});
subredditRoutes.get(
'/r/:subreddit/comments/:id/:snippet?/:comment_id?',
(req, res, next) => {
let subreddit = req.params.subreddit;
let id = req.params.id;
let snippet = encodeURIComponent(req.params.snippet);
let sortby = req.query.sort;
let comment_id = '';
let viewing_comment = false;
let comment_ids = req.query.comment_ids;
let context = parseInt(req.query.context);
if (req.params.comment_id) {
comment_id = `${req.params.comment_id}/`;
viewing_comment = true;
}
if (!sortby) {
sortby = config.post_comments_sort;
}
if (
![
'confidence',
'top',
'new',
'controversial',
'old',
'qa',
'random',
].includes(sortby)
) {
console.log(`Got invalid sort.`, req.originalUrl);
return res.redirect('/');
}
let comments_url = `/r/${subreddit}/comments/${id}/${snippet}/${comment_id}`;
let post_url = `/r/${subreddit}/comments/${id}/${snippet}/`;
let comments_key = `${comments_url}:sort:${sortby}`;
redis.get(comments_key, (error, json) => {
if (error) {
console.error(
`Error getting the ${comments_url} key from redis.`,
error
);
Rename index.pug to frontpage.pug
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return res.render('frontpage', {
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post: null,
user_preferences: req.cookies,
});
}
if (json) {
console.log(`Got ${comments_url} key from redis.`);
(async () => {
let parsed = false;
let more_comments = null;
if (comment_ids) {
let key = `${post_url}:morechildren:comment_ids:${comment_ids}`;
add missing await for processMoreComments
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more_comments = await processMoreComments(
separate subreddit routes
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fetch,
redis,
post_url,
comment_ids,
id
);
if (more_comments === false) {
return res.redirect(post_url);
} else {
json = JSON.parse(json);
json[1].data.children = more_comments;
parsed = true;
}
}
let processed_json = await processJsonPost(json, parsed, req.cookies);
let finalized_json = await finalizeJsonPost(
processed_json,
id,
post_url,
more_comments,
viewing_comment,
req.cookies
);
return res.render('post', {
post: finalized_json.post_data,
comments: finalized_json.comments,
viewing_comment: viewing_comment,
post_url: post_url,
subreddit: subreddit,
sortby: sortby,
user_preferences: req.cookies,
instance_nsfw_enabled: config.nsfw_enabled,
instance_videos_muted: config.videos_muted,
post_media_max_heights: config.post_media_max_heights,
redis_key: comments_key,
});
})();
} else {
let url = '';
if (config.use_reddit_oauth)
url = `https://oauth.reddit.com${comments_url}?api_type=json&sort=${sortby}&context=${context}`;
else
url = `https://reddit.com${comments_url}.json?api_type=json&sort=${sortby}&context=${context}`;
fetch(encodeURI(url), redditApiGETHeaders())
.then((result) => {
if (result.status === 200) {
result.json().then((json) => {
redis.setex(
comments_key,
config.setexs.posts,
JSON.stringify(json),
(error) => {
if (error) {
console.error(
`Error setting the ${comments_url} key to redis.`,
error
);
return res.render('post', {
post: null,
user_preferences: req.cookies,
});
} else {
console.log(
`Fetched the JSON from reddit.com${comments_url}.`
);
(async () => {
let more_comments = null;
if (comment_ids) {
let key = `${post_url}:morechildren:comment_ids:${comment_ids}`;
use async for processMoreComments
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more_comments = await processMoreComments(
separate subreddit routes
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fetch,
redis,
post_url,
comment_ids,
id
);
if (more_comments === false) {
return res.redirect(post_url);
} else {
json[1].data.children = more_comments;
}
}
let processed_json = await processJsonPost(
json,
true,
req.cookies
);
let finalized_json = await finalizeJsonPost(
processed_json,
id,
post_url,
more_comments,
viewing_comment
);
return res.render('post', {
post: finalized_json.post_data,
comments: finalized_json.comments,
viewing_comment: viewing_comment,
post_url: post_url,
subreddit: subreddit,
sortby: sortby,
user_preferences: req.cookies,
instance_nsfw_enabled: config.nsfw_enabled,
instance_videos_muted: config.videos_muted,
post_media_max_heights: config.post_media_max_heights,
redis_key: comments_key,
});
})();
}
}
);
});
} else {
if (result.status === 404) {
console.log('404 – Post not found');
} else {
console.error(
`Something went wrong while fetching data from Reddit. ${result.status} – ${result.statusText}`
);
console.error(config.reddit_api_error_text);
}
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return res.render('frontpage', {
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json: null,
http_status_code: result.status,
http_statustext: result.statusText,
user_preferences: req.cookies,
});
}
})
.catch((error) => {
console.error(
`Error fetching the JSON file from reddit.com${comments_url}.`,
error
);
});
}
});
}
);
subredditRoutes.post(
'/r/:subreddit/comments/:id/:snippet',
(req, res, next) => {
/**
* This is the "morechildren" route. This route is called when the
* "load more comments" button at the bottom of some post is clicked.
*/
if (!config.use_reddit_oauth)
return res.send(
`This instance is using Reddit's public API (non-OAuth), and therefore this endpoint is not supported. In other words, this feature is only available if the instance is using Reddit OAuth API.`
);
let subreddit = req.params.subreddit;
let id = req.params.id;
let snippet = encodeURIComponent(req.params.snippet);
let post_url = `/r/${subreddit}/comments/${id}/${snippet}/`;
let page = req.query.page;
let comment_ids = req.body.comment_ids;
return res.redirect(`${post_url}?comment_ids=${comment_ids}&page=1`);
}
);
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subredditRoutes.get('/subreddits/:sort?', (req, res, next) => {
let q = req.query.q;
let nsfw = req.query.nsfw;
let after = req.query.after;
let before = req.query.before;
let sortby = req.params.sort;
let searching = false;
if (!after) {
after = '';
}
if (!before) {
before = '';
}
let d = `&after=${after}`;
if (before) {
d = `&before=${before}`;
}
if (nsfw !== 'on') {
nsfw = 'off';
}
if (!sortby) {
sortby = '';
}
let key = `subreddits:sort:${sortby}${d}`;
if (sortby === 'search') {
if (typeof q == 'undefined' || q == '') return res.redirect('/subreddits');
key = `subreddits:search:q:${q}:nsfw:${nsfw}${d}`;
searching = true;
}
redis.get(key, (error, json) => {
if (error) {
console.error(`Error getting the subreddits key from redis.`, error);
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return res.render('frontpage', {
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json: null,
user_preferences: req.cookies,
});
}
if (json) {
console.log(`Got subreddits key from redis.`);
(async () => {
let processed_json = await processJsonSubredditsExplore(
json,
'redis',
null,
req.cookies
);
if (!processed_json.error) {
return res.render('subreddits_explore', {
json: processed_json,
sortby: sortby,
after: after,
before: before,
q: q,
nsfw: nsfw,
searching: searching,
subreddits_front: !before && !after ? true : false,
user_preferences: req.cookies,
instance_nsfw_enabled: config.nsfw_enabled,
});
} else {
return res.render('subreddits_explore', {
json: null,
error: true,
data: processed_json,
user_preferences: req.cookies,
});
}
})();
} else {
let url = '';
if (config.use_reddit_oauth) {
if (!searching)
url = `https://oauth.reddit.com/subreddits/${sortby}?api_type=json&count=25&g=GLOBAL&t=${d}`;
else
url = `https://oauth.reddit.com/subreddits/search?api_type=json&q=${q}&include_over_18=${nsfw}${d}`;
} else {
if (!searching)
url = `https://reddit.com/subreddits/${sortby}.json?api_type=json&count=25&g=GLOBAL&t=${d}`;
else
url = `https://reddit.com/subreddits/search.json?api_type=json&q=${q}&include_over_18=${nsfw}${d}`;
}
fetch(encodeURI(url), redditApiGETHeaders())
.then((result) => {
if (result.status === 200) {
result.json().then((json) => {
let ex = config.setexs.subreddits_explore.front;
if (sortby === 'new')
ex = config.setexs.subreddits_explore.new_page;
redis.setex(key, ex, JSON.stringify(json), (error) => {
if (error) {
console.error(
`Error setting the subreddits key to redis.`,
error
);
return res.render('subreddits_explore', {
json: null,
user_preferences: req.cookies,
});
} else {
console.log(`Fetched the JSON from reddit.com/subreddits.`);
(async () => {
let processed_json = await processJsonSubredditsExplore(
json,
'from_online',
null,
req.cookies
);
return res.render('subreddits_explore', {
json: processed_json,
sortby: sortby,
after: after,
before: before,
q: q,
nsfw: nsfw,
searching: searching,
subreddits_front: !before && !after ? true : false,
user_preferences: req.cookies,
instance_nsfw_enabled: config.nsfw_enabled,
});
})();
}
});
});
} else {
if (result.status === 404) {
console.log('404 – Subreddits not found');
} else {
console.error(
`Something went wrong while fetching data from Reddit. ${result.status} – ${result.statusText}`
);
console.error(config.reddit_api_error_text);
}
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return res.render('frontpage', {
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json: null,
http_status_code: result.status,
user_preferences: req.cookies,
});
}
})
.catch((error) => {
console.error(
`Error fetching the JSON file from reddit.com/subreddits.`,
error
);
});
}
});
});
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module.exports = subredditRoutes;