1 use actix_web::{error::ErrorBadRequest, *};
3 use chrono::{DateTime, NaiveDateTime, Utc};
4 use diesel::PgConnection;
5 use lemmy_api_common::blocking;
6 use lemmy_db_queries::{
7 source::{community::Community_, person::Person_},
12 use lemmy_db_schema::{
13 source::{community::Community, local_user::LocalUser, person::Person},
17 comment_view::{CommentQueryBuilder, CommentView},
18 post_view::{PostQueryBuilder, PostView},
21 use lemmy_db_views_actor::person_mention_view::{PersonMentionQueryBuilder, PersonMentionView};
24 settings::structs::Settings,
25 utils::markdown_to_html,
28 use lemmy_websocket::LemmyContext;
30 extension::dublincore::DublinCoreExtensionBuilder,
36 use serde::Deserialize;
37 use std::{collections::HashMap, str::FromStr};
38 use strum::ParseError;
40 #[derive(Deserialize)]
52 pub fn config(cfg: &mut web::ServiceConfig) {
54 .route("/feeds/{type}/{name}.xml", web::get().to(get_feed))
55 .route("/feeds/all.xml", web::get().to(get_all_feed))
56 .route("/feeds/local.xml", web::get().to(get_local_feed));
60 static ref RSS_NAMESPACE: HashMap<String, String> = {
61 let mut h = HashMap::new();
64 rss::extension::dublincore::NAMESPACE.to_string(),
70 async fn get_all_feed(
71 info: web::Query<Params>,
72 context: web::Data<LemmyContext>,
73 ) -> Result<HttpResponse, Error> {
74 let sort_type = get_sort_type(info).map_err(ErrorBadRequest)?;
75 Ok(get_feed_data(&context, ListingType::All, sort_type).await?)
78 async fn get_local_feed(
79 info: web::Query<Params>,
80 context: web::Data<LemmyContext>,
81 ) -> Result<HttpResponse, Error> {
82 let sort_type = get_sort_type(info).map_err(ErrorBadRequest)?;
83 Ok(get_feed_data(&context, ListingType::Local, sort_type).await?)
86 async fn get_feed_data(
87 context: &LemmyContext,
88 listing_type: ListingType,
90 ) -> Result<HttpResponse, LemmyError> {
91 let site_view = blocking(context.pool(), move |conn| SiteView::read(&conn)).await??;
93 let posts = blocking(context.pool(), move |conn| {
94 PostQueryBuilder::create(&conn)
95 .listing_type(listing_type)
101 let items = create_post_items(posts)?;
103 let mut channel_builder = ChannelBuilder::default();
105 .namespaces(RSS_NAMESPACE.to_owned())
109 listing_type.to_string()
111 .link(Settings::get().get_protocol_and_hostname())
114 if let Some(site_desc) = site_view.site.description {
115 channel_builder.description(&site_desc);
118 let rss = channel_builder.build().map_err(|e| anyhow!(e))?.to_string();
121 .content_type("application/rss+xml")
127 web::Path((req_type, param)): web::Path<(String, String)>,
128 info: web::Query<Params>,
129 context: web::Data<LemmyContext>,
130 ) -> Result<HttpResponse, Error> {
131 let sort_type = get_sort_type(info).map_err(ErrorBadRequest)?;
133 let request_type = match req_type.as_str() {
134 "u" => RequestType::User,
135 "c" => RequestType::Community,
136 "front" => RequestType::Front,
137 "inbox" => RequestType::Inbox,
138 _ => return Err(ErrorBadRequest(LemmyError::from(anyhow!("wrong_type")))),
141 let builder = blocking(context.pool(), move |conn| match request_type {
142 RequestType::User => get_feed_user(conn, &sort_type, param),
143 RequestType::Community => get_feed_community(conn, &sort_type, param),
144 RequestType::Front => get_feed_front(conn, &sort_type, param),
145 RequestType::Inbox => get_feed_inbox(conn, param),
148 .map_err(ErrorBadRequest)?;
150 let rss = builder.build().map_err(ErrorBadRequest)?.to_string();
154 .content_type("application/rss+xml")
159 fn get_sort_type(info: web::Query<Params>) -> Result<SortType, ParseError> {
160 let sort_query = info
163 .unwrap_or_else(|| SortType::Hot.to_string());
164 SortType::from_str(&sort_query)
169 sort_type: &SortType,
171 ) -> Result<ChannelBuilder, LemmyError> {
172 let site_view = SiteView::read(&conn)?;
173 let person = Person::find_by_name(&conn, &user_name)?;
175 let posts = PostQueryBuilder::create(&conn)
176 .listing_type(ListingType::All)
178 .creator_id(person.id)
181 let items = create_post_items(posts)?;
183 let mut channel_builder = ChannelBuilder::default();
185 .namespaces(RSS_NAMESPACE.to_owned())
186 .title(&format!("{} - {}", site_view.site.name, person.name))
187 .link(person.actor_id.to_string())
193 fn get_feed_community(
195 sort_type: &SortType,
196 community_name: String,
197 ) -> Result<ChannelBuilder, LemmyError> {
198 let site_view = SiteView::read(&conn)?;
199 let community = Community::read_from_name(&conn, &community_name)?;
201 let posts = PostQueryBuilder::create(&conn)
202 .listing_type(ListingType::All)
204 .community_id(community.id)
207 let items = create_post_items(posts)?;
209 let mut channel_builder = ChannelBuilder::default();
211 .namespaces(RSS_NAMESPACE.to_owned())
212 .title(&format!("{} - {}", site_view.site.name, community.name))
213 .link(community.actor_id.to_string())
216 if let Some(community_desc) = community.description {
217 channel_builder.description(&community_desc);
225 sort_type: &SortType,
227 ) -> Result<ChannelBuilder, LemmyError> {
228 let site_view = SiteView::read(&conn)?;
229 let local_user_id = LocalUserId(Claims::decode(&jwt)?.claims.sub);
230 let local_user = LocalUser::read(&conn, local_user_id)?;
231 let person_id = local_user.person_id;
232 let show_bot_accounts = local_user.show_bot_accounts;
233 let show_read_posts = local_user.show_read_posts;
235 let posts = PostQueryBuilder::create(&conn)
236 .listing_type(ListingType::Subscribed)
237 .my_person_id(person_id)
238 .show_bot_accounts(show_bot_accounts)
239 .show_read_posts(show_read_posts)
243 let items = create_post_items(posts)?;
245 let mut channel_builder = ChannelBuilder::default();
247 .namespaces(RSS_NAMESPACE.to_owned())
248 .title(&format!("{} - Subscribed", site_view.site.name))
249 .link(Settings::get().get_protocol_and_hostname())
252 if let Some(site_desc) = site_view.site.description {
253 channel_builder.description(&site_desc);
259 fn get_feed_inbox(conn: &PgConnection, jwt: String) -> Result<ChannelBuilder, LemmyError> {
260 let site_view = SiteView::read(&conn)?;
261 let local_user_id = LocalUserId(Claims::decode(&jwt)?.claims.sub);
262 let local_user = LocalUser::read(&conn, local_user_id)?;
263 let person_id = local_user.person_id;
264 let show_bot_accounts = local_user.show_bot_accounts;
266 let sort = SortType::New;
268 let replies = CommentQueryBuilder::create(&conn)
269 .recipient_id(person_id)
270 .my_person_id(person_id)
271 .show_bot_accounts(show_bot_accounts)
275 let mentions = PersonMentionQueryBuilder::create(&conn)
276 .recipient_id(person_id)
277 .my_person_id(person_id)
281 let items = create_reply_and_mention_items(replies, mentions)?;
283 let mut channel_builder = ChannelBuilder::default();
285 .namespaces(RSS_NAMESPACE.to_owned())
286 .title(&format!("{} - Inbox", site_view.site.name))
289 Settings::get().get_protocol_and_hostname()
293 if let Some(site_desc) = site_view.site.description {
294 channel_builder.description(&site_desc);
300 fn create_reply_and_mention_items(
301 replies: Vec<CommentView>,
302 mentions: Vec<PersonMentionView>,
303 ) -> Result<Vec<Item>, LemmyError> {
304 let mut reply_items: Vec<Item> = replies
307 let reply_url = format!(
308 "{}/post/{}/comment/{}",
309 Settings::get().get_protocol_and_hostname(),
315 &r.comment.published,
320 .collect::<Result<Vec<Item>, LemmyError>>()?;
322 let mut mention_items: Vec<Item> = mentions
325 let mention_url = format!(
326 "{}/post/{}/comment/{}",
327 Settings::get().get_protocol_and_hostname(),
333 &m.comment.published,
338 .collect::<Result<Vec<Item>, LemmyError>>()?;
340 reply_items.append(&mut mention_items);
346 published: &NaiveDateTime,
349 ) -> Result<Item, LemmyError> {
350 let mut i = ItemBuilder::default();
351 i.title(format!("Reply from {}", creator_name));
352 let author_url = format!(
354 Settings::get().get_protocol_and_hostname(),
358 "/u/{} <a href=\"{}\">(link)</a>",
359 creator_name, author_url
361 let dt = DateTime::<Utc>::from_utc(*published, Utc);
362 i.pub_date(dt.to_rfc2822());
363 i.comments(url.to_owned());
364 let guid = GuidBuilder::default()
368 .map_err(|e| anyhow!(e))?;
370 i.link(url.to_owned());
372 let html = markdown_to_html(&content.to_string());
374 Ok(i.build().map_err(|e| anyhow!(e))?)
377 fn create_post_items(posts: Vec<PostView>) -> Result<Vec<Item>, LemmyError> {
378 let mut items: Vec<Item> = Vec::new();
381 let mut i = ItemBuilder::default();
382 let mut dc_extension = DublinCoreExtensionBuilder::default();
384 i.title(p.post.name);
386 dc_extension.creators(vec![p.creator.actor_id.to_string()]);
388 let dt = DateTime::<Utc>::from_utc(p.post.published, Utc);
389 i.pub_date(dt.to_rfc2822());
391 let post_url = format!(
393 Settings::get().get_protocol_and_hostname(),
396 i.link(post_url.to_owned());
397 i.comments(post_url.to_owned());
398 let guid = GuidBuilder::default()
402 .map_err(|e| anyhow!(e))?;
405 let community_url = format!(
407 Settings::get().get_protocol_and_hostname(),
412 let mut description = format!("submitted by <a href=\"{}\">{}</a> to <a href=\"{}\">{}</a><br>{} points | <a href=\"{}\">{} comments</a>",
421 // If its a url post, add it to the description
422 if let Some(url) = p.post.url {
423 let link_html = format!("<br><a href=\"{url}\">{url}</a>", url = url);
424 description.push_str(&link_html);
427 if let Some(body) = p.post.body {
428 let html = markdown_to_html(&body);
429 description.push_str(&html);
432 i.description(description);
434 i.dublin_core_ext(dc_extension.build().map_err(|e| anyhow!(e))?);
435 items.push(i.build().map_err(|e| anyhow!(e))?);