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")
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 req_type: String = req.match_info().get("type").unwrap_or("none").parse()?;
134 let param: String = req.match_info().get("name").unwrap_or("none").parse()?;
136 let request_type = match req_type.as_str() {
137 "u" => RequestType::User,
138 "c" => RequestType::Community,
139 "front" => RequestType::Front,
140 "inbox" => RequestType::Inbox,
141 _ => return Err(ErrorBadRequest(LemmyError::from(anyhow!("wrong_type")))),
144 let builder = blocking(context.pool(), move |conn| match request_type {
145 RequestType::User => get_feed_user(conn, &sort_type, param),
146 RequestType::Community => get_feed_community(conn, &sort_type, param),
147 RequestType::Front => get_feed_front(conn, &sort_type, param),
148 RequestType::Inbox => get_feed_inbox(conn, param),
151 .map_err(ErrorBadRequest)?;
153 let rss = builder.build().map_err(ErrorBadRequest)?.to_string();
157 .content_type("application/rss+xml")
162 fn get_sort_type(info: web::Query<Params>) -> Result<SortType, ParseError> {
163 let sort_query = info
166 .unwrap_or_else(|| SortType::Hot.to_string());
167 SortType::from_str(&sort_query)
172 sort_type: &SortType,
174 ) -> Result<ChannelBuilder, LemmyError> {
175 let site_view = SiteView::read(conn)?;
176 let person = Person::find_by_name(conn, &user_name)?;
178 let posts = PostQueryBuilder::create(conn)
179 .listing_type(ListingType::All)
181 .creator_id(person.id)
184 let items = create_post_items(posts)?;
186 let mut channel_builder = ChannelBuilder::default();
188 .namespaces(RSS_NAMESPACE.to_owned())
189 .title(&format!("{} - {}", site_view.site.name, person.name))
190 .link(person.actor_id.to_string())
196 fn get_feed_community(
198 sort_type: &SortType,
199 community_name: String,
200 ) -> Result<ChannelBuilder, LemmyError> {
201 let site_view = SiteView::read(conn)?;
202 let community = Community::read_from_name(conn, &community_name)?;
204 let posts = PostQueryBuilder::create(conn)
205 .listing_type(ListingType::All)
207 .community_id(community.id)
210 let items = create_post_items(posts)?;
212 let mut channel_builder = ChannelBuilder::default();
214 .namespaces(RSS_NAMESPACE.to_owned())
215 .title(&format!("{} - {}", site_view.site.name, community.name))
216 .link(community.actor_id.to_string())
219 if let Some(community_desc) = community.description {
220 channel_builder.description(&community_desc);
228 sort_type: &SortType,
230 ) -> Result<ChannelBuilder, LemmyError> {
231 let site_view = SiteView::read(conn)?;
232 let local_user_id = LocalUserId(Claims::decode(&jwt)?.claims.sub);
233 let local_user = LocalUser::read(conn, local_user_id)?;
234 let person_id = local_user.person_id;
235 let show_bot_accounts = local_user.show_bot_accounts;
236 let show_read_posts = local_user.show_read_posts;
238 let posts = PostQueryBuilder::create(conn)
239 .listing_type(ListingType::Subscribed)
240 .my_person_id(person_id)
241 .show_bot_accounts(show_bot_accounts)
242 .show_read_posts(show_read_posts)
246 let items = create_post_items(posts)?;
248 let mut channel_builder = ChannelBuilder::default();
250 .namespaces(RSS_NAMESPACE.to_owned())
251 .title(&format!("{} - Subscribed", site_view.site.name))
252 .link(Settings::get().get_protocol_and_hostname())
255 if let Some(site_desc) = site_view.site.description {
256 channel_builder.description(&site_desc);
262 fn get_feed_inbox(conn: &PgConnection, jwt: String) -> Result<ChannelBuilder, LemmyError> {
263 let site_view = SiteView::read(conn)?;
264 let local_user_id = LocalUserId(Claims::decode(&jwt)?.claims.sub);
265 let local_user = LocalUser::read(conn, local_user_id)?;
266 let person_id = local_user.person_id;
267 let show_bot_accounts = local_user.show_bot_accounts;
269 let sort = SortType::New;
271 let replies = CommentQueryBuilder::create(conn)
272 .recipient_id(person_id)
273 .my_person_id(person_id)
274 .show_bot_accounts(show_bot_accounts)
278 let mentions = PersonMentionQueryBuilder::create(conn)
279 .recipient_id(person_id)
280 .my_person_id(person_id)
284 let items = create_reply_and_mention_items(replies, mentions)?;
286 let mut channel_builder = ChannelBuilder::default();
288 .namespaces(RSS_NAMESPACE.to_owned())
289 .title(&format!("{} - Inbox", site_view.site.name))
292 Settings::get().get_protocol_and_hostname()
296 if let Some(site_desc) = site_view.site.description {
297 channel_builder.description(&site_desc);
303 fn create_reply_and_mention_items(
304 replies: Vec<CommentView>,
305 mentions: Vec<PersonMentionView>,
306 ) -> Result<Vec<Item>, LemmyError> {
307 let mut reply_items: Vec<Item> = replies
310 let reply_url = format!(
311 "{}/post/{}/comment/{}",
312 Settings::get().get_protocol_and_hostname(),
318 &r.comment.published,
323 .collect::<Result<Vec<Item>, LemmyError>>()?;
325 let mut mention_items: Vec<Item> = mentions
328 let mention_url = format!(
329 "{}/post/{}/comment/{}",
330 Settings::get().get_protocol_and_hostname(),
336 &m.comment.published,
341 .collect::<Result<Vec<Item>, LemmyError>>()?;
343 reply_items.append(&mut mention_items);
349 published: &NaiveDateTime,
352 ) -> Result<Item, LemmyError> {
353 let mut i = ItemBuilder::default();
354 i.title(format!("Reply from {}", creator_name));
355 let author_url = format!(
357 Settings::get().get_protocol_and_hostname(),
361 "/u/{} <a href=\"{}\">(link)</a>",
362 creator_name, author_url
364 let dt = DateTime::<Utc>::from_utc(*published, Utc);
365 i.pub_date(dt.to_rfc2822());
366 i.comments(url.to_owned());
367 let guid = GuidBuilder::default()
371 .map_err(|e| anyhow!(e))?;
373 i.link(url.to_owned());
375 let html = markdown_to_html(&content.to_string());
377 Ok(i.build().map_err(|e| anyhow!(e))?)
380 fn create_post_items(posts: Vec<PostView>) -> Result<Vec<Item>, LemmyError> {
381 let mut items: Vec<Item> = Vec::new();
384 let mut i = ItemBuilder::default();
385 let mut dc_extension = DublinCoreExtensionBuilder::default();
387 i.title(p.post.name);
389 dc_extension.creators(vec![p.creator.actor_id.to_string()]);
391 let dt = DateTime::<Utc>::from_utc(p.post.published, Utc);
392 i.pub_date(dt.to_rfc2822());
394 let post_url = format!(
396 Settings::get().get_protocol_and_hostname(),
399 i.link(post_url.to_owned());
400 i.comments(post_url.to_owned());
401 let guid = GuidBuilder::default()
405 .map_err(|e| anyhow!(e))?;
408 let community_url = format!(
410 Settings::get().get_protocol_and_hostname(),
415 let mut description = format!("submitted by <a href=\"{}\">{}</a> to <a href=\"{}\">{}</a><br>{} points | <a href=\"{}\">{} comments</a>",
424 // If its a url post, add it to the description
425 if let Some(url) = p.post.url {
426 let link_html = format!("<br><a href=\"{url}\">{url}</a>", url = url);
427 description.push_str(&link_html);
430 if let Some(body) = p.post.body {
431 let html = markdown_to_html(&body);
432 description.push_str(&html);
435 i.description(description);
437 i.dublin_core_ext(dc_extension.build().map_err(|e| anyhow!(e))?);
438 items.push(i.build().map_err(|e| anyhow!(e))?);