2020-10-25 21:25:59 +01:00
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// CRATES
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2021-03-12 05:15:26 +01:00
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use crate::esc;
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2021-03-17 23:30:33 +01:00
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use crate::utils::{cookie, error, format_num, format_url, param, redirect, rewrite_urls, template, val, Post, Preferences, Subreddit};
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use crate::{client::json, server::ResponseExt, RequestExt};
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2020-10-25 21:25:59 +01:00
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use askama::Template;
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2021-03-17 23:30:33 +01:00
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use cookie::Cookie;
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use hyper::{Body, Request, Response};
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2021-01-30 08:00:00 +01:00
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use time::{Duration, OffsetDateTime};
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2020-11-17 20:37:40 +01:00
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2020-10-25 21:25:59 +01:00
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// STRUCTS
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#[derive(Template)]
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#[template(path = "subreddit.html", escape = "none")]
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struct SubredditTemplate {
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sub: Subreddit,
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posts: Vec<Post>,
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2020-12-30 02:11:47 +01:00
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sort: (String, String),
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2020-11-30 03:50:29 +01:00
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ends: (String, String),
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2021-01-09 02:35:04 +01:00
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prefs: Preferences,
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2020-10-25 21:25:59 +01:00
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}
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2021-01-02 07:21:43 +01:00
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#[derive(Template)]
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#[template(path = "wiki.html", escape = "none")]
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struct WikiTemplate {
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sub: String,
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wiki: String,
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2021-01-02 19:58:21 +01:00
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page: String,
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2021-01-10 22:08:36 +01:00
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prefs: Preferences,
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2021-01-02 07:21:43 +01:00
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}
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2020-11-19 22:49:32 +01:00
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// SERVICES
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2021-03-17 23:30:33 +01:00
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pub async fn community(req: Request<Body>) -> Result<Response<Body>, String> {
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2021-02-09 18:38:52 +01:00
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// Build Reddit API path
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2021-01-31 05:18:57 +01:00
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let subscribed = cookie(&req, "subscriptions");
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let front_page = cookie(&req, "front_page");
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2021-03-27 04:00:47 +01:00
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let post_sort = req.cookie("post_sort").map_or_else(|| "hot".to_string(), |c| c.value().to_string());
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let sort = req.param("sort").unwrap_or_else(|| req.param("id").unwrap_or(post_sort));
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2021-01-31 05:18:57 +01:00
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2021-03-27 04:00:47 +01:00
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let sub = req.param("sub").map_or(
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if front_page == "default" || front_page.is_empty() {
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if subscribed.is_empty() {
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"popular".to_string()
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} else {
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subscribed.to_owned()
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}
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2021-01-31 05:18:57 +01:00
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} else {
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2021-03-27 04:00:47 +01:00
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front_page.to_owned()
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},
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String::from,
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);
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2021-01-31 05:18:57 +01:00
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2021-03-17 23:30:33 +01:00
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let path = format!("/r/{}/{}.json?{}&raw_json=1", sub, sort, req.uri().query().unwrap_or_default());
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2021-01-01 00:54:13 +01:00
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2021-02-25 06:29:23 +01:00
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match Post::fetch(&path, String::new()).await {
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2021-01-07 17:38:05 +01:00
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Ok((posts, after)) => {
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2021-01-16 00:05:55 +01:00
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// If you can get subreddit posts, also request subreddit metadata
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2021-01-31 05:18:57 +01:00
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let sub = if !sub.contains('+') && sub != subscribed && sub != "popular" && sub != "all" {
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// Regular subreddit
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2021-01-31 03:10:38 +01:00
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subreddit(&sub).await.unwrap_or_default()
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2021-01-31 05:18:57 +01:00
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} else if sub == subscribed {
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2021-01-31 05:24:09 +01:00
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// Subscription feed
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2021-03-17 23:30:33 +01:00
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if req.uri().path().starts_with("/r/") {
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2021-01-31 05:18:57 +01:00
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subreddit(&sub).await.unwrap_or_default()
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} else {
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Subreddit::default()
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}
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2021-01-31 05:24:09 +01:00
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} else if sub.contains('+') {
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// Multireddit
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Subreddit {
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name: sub,
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..Subreddit::default()
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}
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2021-01-16 00:05:55 +01:00
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} else {
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Subreddit::default()
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};
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2021-02-09 18:38:52 +01:00
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template(SubredditTemplate {
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2021-01-07 17:38:05 +01:00
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sub,
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posts,
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2021-01-02 00:28:13 +01:00
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sort: (sort, param(&path, "t")),
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2021-01-07 06:27:24 +01:00
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ends: (param(&path, "after"), after),
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2021-02-25 06:29:23 +01:00
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prefs: Preferences::new(req),
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2021-02-09 18:38:52 +01:00
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})
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2021-01-02 07:21:43 +01:00
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}
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2021-02-23 01:43:32 +01:00
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Err(msg) => match msg.as_str() {
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"quarantined" => error(req, format!("r/{} has been quarantined by Reddit", sub)).await,
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"private" => error(req, format!("r/{} is a private community", sub)).await,
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"banned" => error(req, format!("r/{} has been banned from Reddit", sub)).await,
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_ => error(req, msg).await,
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},
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2021-01-02 07:21:43 +01:00
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}
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}
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2021-01-30 08:18:53 +01:00
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// Sub or unsub by setting subscription cookie using response "Set-Cookie" header
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2021-03-17 23:30:33 +01:00
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pub async fn subscriptions(req: Request<Body>) -> Result<Response<Body>, String> {
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2021-03-27 04:00:47 +01:00
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let sub = req.param("sub").unwrap_or_default();
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2021-03-17 23:30:33 +01:00
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let query = req.uri().query().unwrap_or_default().to_string();
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let action: Vec<String> = req.uri().path().split('/').map(String::from).collect();
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2021-01-30 08:00:00 +01:00
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2021-02-25 06:29:23 +01:00
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let mut sub_list = Preferences::new(req).subscriptions;
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2021-01-30 08:00:00 +01:00
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2021-02-10 06:56:38 +01:00
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// Find each subreddit name (separated by '+') in sub parameter
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2021-02-13 05:47:54 +01:00
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for part in sub.split('+') {
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// Modify sub list based on action
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if action.contains(&"subscribe".to_string()) && !sub_list.contains(&part.to_owned()) {
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// Add each sub name to the subscribed list
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sub_list.push(part.to_owned());
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// Reorder sub names alphabettically
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sub_list.sort_by_key(|a| a.to_lowercase())
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} else if action.contains(&"unsubscribe".to_string()) {
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// Remove sub name from subscribed list
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sub_list.retain(|s| s != part);
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}
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2021-01-30 08:00:00 +01:00
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}
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2021-02-09 18:38:52 +01:00
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// Redirect back to subreddit
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// check for redirect parameter if unsubscribing from outside sidebar
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2021-02-20 22:59:16 +01:00
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let redirect_path = param(&format!("/?{}", query), "redirect");
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2021-03-09 03:49:06 +01:00
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let path = if redirect_path.is_empty() {
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2021-02-09 18:38:52 +01:00
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format!("/r/{}", sub)
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2021-03-09 03:49:06 +01:00
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} else {
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format!("/{}/", redirect_path)
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2021-02-09 18:38:52 +01:00
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};
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2021-02-14 00:02:38 +01:00
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let mut res = redirect(path);
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2021-02-09 18:38:52 +01:00
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2021-01-30 08:18:53 +01:00
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// Delete cookie if empty, else set
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if sub_list.is_empty() {
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2021-03-17 23:30:33 +01:00
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res.remove_cookie("subscriptions".to_string());
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2021-01-30 08:18:53 +01:00
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} else {
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2021-02-09 18:38:52 +01:00
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res.insert_cookie(
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2021-01-31 05:18:57 +01:00
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Cookie::build("subscriptions", sub_list.join("+"))
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.path("/")
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.http_only(true)
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.expires(OffsetDateTime::now_utc() + Duration::weeks(52))
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.finish(),
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);
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2021-01-30 08:18:53 +01:00
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}
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2021-01-30 08:00:00 +01:00
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2021-02-09 18:38:52 +01:00
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Ok(res)
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2021-01-30 08:00:00 +01:00
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}
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2021-03-17 23:30:33 +01:00
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pub async fn wiki(req: Request<Body>) -> Result<Response<Body>, String> {
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2021-03-27 04:00:47 +01:00
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let sub = req.param("sub").unwrap_or_else(|| "reddit.com".to_string());
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let page = req.param("page").unwrap_or_else(|| "index".to_string());
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2021-01-11 19:33:42 +01:00
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let path: String = format!("/r/{}/wiki/{}.json?raw_json=1", sub, page);
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2021-01-02 07:21:43 +01:00
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2021-03-17 23:30:33 +01:00
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match json(path).await {
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2021-03-09 03:49:06 +01:00
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Ok(response) => template(WikiTemplate {
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2021-02-09 18:38:52 +01:00
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sub,
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2021-03-09 03:49:06 +01:00
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wiki: rewrite_urls(response["data"]["content_html"].as_str().unwrap_or_default()),
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2021-02-09 18:38:52 +01:00
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page,
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2021-02-25 06:29:23 +01:00
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prefs: Preferences::new(req),
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2021-02-09 18:38:52 +01:00
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}),
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2021-02-21 03:36:30 +01:00
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Err(msg) => error(req, msg).await,
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2020-11-18 01:03:28 +01:00
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}
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2020-10-25 21:25:59 +01:00
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}
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2021-03-22 03:28:05 +01:00
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pub async fn sidebar(req: Request<Body>) -> Result<Response<Body>, String> {
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2021-03-27 04:00:47 +01:00
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let sub = req.param("sub").unwrap_or_else(|| "reddit.com".to_string());
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2021-03-22 03:28:05 +01:00
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// Build the Reddit JSON API url
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let path: String = format!("/r/{}/about.json?raw_json=1", sub);
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// Send a request to the url
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match json(path).await {
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// If success, receive JSON in response
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Ok(response) => template(WikiTemplate {
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sub,
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wiki: rewrite_urls(&val(&response, "description_html").replace("\\", "")),
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page: "Sidebar".to_string(),
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prefs: Preferences::new(req),
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}),
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Err(msg) => error(req, msg).await,
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}
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}
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2020-10-25 21:25:59 +01:00
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// SUBREDDIT
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2021-01-14 18:53:54 +01:00
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async fn subreddit(sub: &str) -> Result<Subreddit, String> {
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2020-11-19 03:50:59 +01:00
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// Build the Reddit JSON API url
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2021-01-12 01:44:31 +01:00
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let path: String = format!("/r/{}/about.json?raw_json=1", sub);
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2020-10-25 21:25:59 +01:00
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2021-01-02 00:28:13 +01:00
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// Send a request to the url
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2021-03-17 23:30:33 +01:00
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match json(path).await {
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2021-01-02 00:28:13 +01:00
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// If success, receive JSON in response
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2021-01-02 07:21:43 +01:00
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Ok(res) => {
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// Metadata regarding the subreddit
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2021-03-09 16:22:17 +01:00
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let members: i64 = res["data"]["subscribers"].as_u64().unwrap_or_default() as i64;
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let active: i64 = res["data"]["accounts_active"].as_u64().unwrap_or_default() as i64;
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2020-11-20 05:42:18 +01:00
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2021-01-02 07:21:43 +01:00
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// Fetch subreddit icon either from the community_icon or icon_img value
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2021-02-14 00:02:38 +01:00
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let community_icon: &str = res["data"]["community_icon"].as_str().map_or("", |s| s.split('?').collect::<Vec<&str>>()[0]);
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let icon = if community_icon.is_empty() { val(&res, "icon_img") } else { community_icon.to_string() };
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2020-10-25 21:25:59 +01:00
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2021-01-02 07:21:43 +01:00
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let sub = Subreddit {
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2021-03-12 05:15:26 +01:00
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name: esc!(&res, "display_name"),
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title: esc!(&res, "title"),
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description: esc!(&res, "public_description"),
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2021-02-10 06:56:38 +01:00
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info: rewrite_urls(&val(&res, "description_html").replace("\\", "")),
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2021-02-20 22:59:16 +01:00
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icon: format_url(&icon),
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2021-01-02 07:21:43 +01:00
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members: format_num(members),
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active: format_num(active),
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wiki: res["data"]["wiki_enabled"].as_bool().unwrap_or_default(),
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};
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2020-12-24 05:36:49 +01:00
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2021-01-02 07:21:43 +01:00
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Ok(sub)
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}
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// If the Reddit API returns an error, exit this function
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Err(msg) => return Err(msg),
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}
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2020-11-30 03:50:29 +01:00
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}
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