-use actix_web::{error::ErrorBadRequest, *};
+use actix_web::{error::ErrorBadRequest, web, Error, HttpRequest, HttpResponse, Result};
use anyhow::anyhow;
use chrono::{DateTime, NaiveDateTime, Utc};
-use diesel::PgConnection;
-use lemmy_api_common::blocking;
-use lemmy_db_queries::{
- source::{community::Community_, person::Person_},
- Crud,
- ListingType,
- SortType,
-};
+use lemmy_api_common::context::LemmyContext;
use lemmy_db_schema::{
+ newtypes::LocalUserId,
source::{community::Community, local_user::LocalUser, person::Person},
- LocalUserId,
+ traits::{ApubActor, Crud},
+ utils::DbPool,
+ CommentSortType,
+ ListingType,
+ SortType,
};
use lemmy_db_views::{
- comment_view::{CommentQueryBuilder, CommentView},
- post_view::{PostQueryBuilder, PostView},
- site_view::SiteView,
+ post_view::PostQuery,
+ structs::{LocalUserView, PostView, SiteView},
+};
+use lemmy_db_views_actor::{
+ comment_reply_view::CommentReplyQuery,
+ person_mention_view::PersonMentionQuery,
+ structs::{CommentReplyView, PersonMentionView},
};
-use lemmy_db_views_actor::person_mention_view::{PersonMentionQueryBuilder, PersonMentionView};
-use lemmy_utils::{claims::Claims, utils::markdown_to_html, LemmyError};
-use lemmy_websocket::LemmyContext;
+use lemmy_utils::{
+ cache_header::cache_1hour,
+ claims::Claims,
+ error::LemmyError,
+ utils::markdown::markdown_to_html,
+};
+use once_cell::sync::Lazy;
use rss::{
extension::dublincore::DublinCoreExtensionBuilder,
ChannelBuilder,
ItemBuilder,
};
use serde::Deserialize;
-use std::{collections::HashMap, str::FromStr};
-use strum::ParseError;
+use std::{collections::BTreeMap, str::FromStr};
+
+const RSS_FETCH_LIMIT: i64 = 20;
#[derive(Deserialize)]
struct Params {
sort: Option<String>,
+ limit: Option<i64>,
+ page: Option<i64>,
+}
+
+impl Params {
+ fn sort_type(&self) -> Result<SortType, Error> {
+ let sort_query = self
+ .sort
+ .clone()
+ .unwrap_or_else(|| SortType::Hot.to_string());
+ SortType::from_str(&sort_query).map_err(ErrorBadRequest)
+ }
+ fn get_limit(&self) -> i64 {
+ self.limit.unwrap_or(RSS_FETCH_LIMIT)
+ }
+ fn get_page(&self) -> i64 {
+ self.page.unwrap_or(1)
+ }
}
enum RequestType {
}
pub fn config(cfg: &mut web::ServiceConfig) {
- cfg
- .route("/feeds/{type}/{name}.xml", web::get().to(get_feed))
- .route("/feeds/all.xml", web::get().to(get_all_feed))
- .route("/feeds/local.xml", web::get().to(get_local_feed));
+ cfg.service(
+ web::scope("/feeds")
+ .route("/{type}/{name}.xml", web::get().to(get_feed))
+ .route("/all.xml", web::get().to(get_all_feed).wrap(cache_1hour()))
+ .route(
+ "/local.xml",
+ web::get().to(get_local_feed).wrap(cache_1hour()),
+ ),
+ );
}
-lazy_static! {
- static ref RSS_NAMESPACE: HashMap<String, String> = {
- let mut h = HashMap::new();
- h.insert(
- "dc".to_string(),
- rss::extension::dublincore::NAMESPACE.to_string(),
- );
- h
- };
-}
+static RSS_NAMESPACE: Lazy<BTreeMap<String, String>> = Lazy::new(|| {
+ let mut h = BTreeMap::new();
+ h.insert(
+ "dc".to_string(),
+ rss::extension::dublincore::NAMESPACE.to_string(),
+ );
+ h
+});
+#[tracing::instrument(skip_all)]
async fn get_all_feed(
info: web::Query<Params>,
context: web::Data<LemmyContext>,
) -> Result<HttpResponse, Error> {
- let sort_type = get_sort_type(info).map_err(ErrorBadRequest)?;
- Ok(get_feed_data(&context, ListingType::All, sort_type).await?)
+ Ok(
+ get_feed_data(
+ &context,
+ ListingType::All,
+ info.sort_type()?,
+ info.get_limit(),
+ info.get_page(),
+ )
+ .await?,
+ )
}
+#[tracing::instrument(skip_all)]
async fn get_local_feed(
info: web::Query<Params>,
context: web::Data<LemmyContext>,
) -> Result<HttpResponse, Error> {
- let sort_type = get_sort_type(info).map_err(ErrorBadRequest)?;
- Ok(get_feed_data(&context, ListingType::Local, sort_type).await?)
+ Ok(
+ get_feed_data(
+ &context,
+ ListingType::Local,
+ info.sort_type()?,
+ info.get_limit(),
+ info.get_page(),
+ )
+ .await?,
+ )
}
+#[tracing::instrument(skip_all)]
async fn get_feed_data(
context: &LemmyContext,
listing_type: ListingType,
sort_type: SortType,
+ limit: i64,
+ page: i64,
) -> Result<HttpResponse, LemmyError> {
- let site_view = blocking(context.pool(), SiteView::read).await??;
-
- let posts = blocking(context.pool(), move |conn| {
- PostQueryBuilder::create(conn)
- .listing_type(listing_type)
- .sort(sort_type)
- .list()
- })
- .await??;
+ let site_view = SiteView::read_local(&mut context.pool()).await?;
+
+ let posts = PostQuery {
+ listing_type: (Some(listing_type)),
+ sort: (Some(sort_type)),
+ limit: (Some(limit)),
+ page: (Some(page)),
+ ..Default::default()
+ }
+ .list(&mut context.pool())
+ .await?;
let items = create_post_items(posts, &context.settings().get_protocol_and_hostname())?;
let mut channel_builder = ChannelBuilder::default();
channel_builder
- .namespaces(RSS_NAMESPACE.to_owned())
- .title(&format!(
- "{} - {}",
- site_view.site.name,
- listing_type.to_string()
- ))
+ .namespaces(RSS_NAMESPACE.clone())
+ .title(&format!("{} - {}", site_view.site.name, listing_type))
.link(context.settings().get_protocol_and_hostname())
.items(items);
channel_builder.description(&site_desc);
}
- let rss = channel_builder.build().map_err(|e| anyhow!(e))?.to_string();
+ let rss = channel_builder.build().to_string();
Ok(
HttpResponse::Ok()
.content_type("application/rss+xml")
)
}
+#[tracing::instrument(skip_all)]
async fn get_feed(
req: HttpRequest,
info: web::Query<Params>,
context: web::Data<LemmyContext>,
) -> Result<HttpResponse, Error> {
- let sort_type = get_sort_type(info).map_err(ErrorBadRequest)?;
-
let req_type: String = req.match_info().get("type").unwrap_or("none").parse()?;
let param: String = req.match_info().get("name").unwrap_or("none").parse()?;
_ => return Err(ErrorBadRequest(LemmyError::from(anyhow!("wrong_type")))),
};
- let jwt_secret = context.secret().jwt_secret.to_owned();
+ let jwt_secret = context.secret().jwt_secret.clone();
let protocol_and_hostname = context.settings().get_protocol_and_hostname();
- let builder = blocking(context.pool(), move |conn| match request_type {
- RequestType::User => get_feed_user(conn, &sort_type, ¶m, &protocol_and_hostname),
- RequestType::Community => get_feed_community(conn, &sort_type, ¶m, &protocol_and_hostname),
- RequestType::Front => get_feed_front(
- conn,
- &jwt_secret,
- &sort_type,
- ¶m,
- &protocol_and_hostname,
- ),
- RequestType::Inbox => get_feed_inbox(conn, &jwt_secret, ¶m, &protocol_and_hostname),
- })
- .await?
+ let builder = match request_type {
+ RequestType::User => {
+ get_feed_user(
+ &mut context.pool(),
+ &info.sort_type()?,
+ &info.get_limit(),
+ &info.get_page(),
+ ¶m,
+ &protocol_and_hostname,
+ )
+ .await
+ }
+ RequestType::Community => {
+ get_feed_community(
+ &mut context.pool(),
+ &info.sort_type()?,
+ &info.get_limit(),
+ &info.get_page(),
+ ¶m,
+ &protocol_and_hostname,
+ )
+ .await
+ }
+ RequestType::Front => {
+ get_feed_front(
+ &mut context.pool(),
+ &jwt_secret,
+ &info.sort_type()?,
+ &info.get_limit(),
+ &info.get_page(),
+ ¶m,
+ &protocol_and_hostname,
+ )
+ .await
+ }
+ RequestType::Inbox => {
+ get_feed_inbox(
+ &mut context.pool(),
+ &jwt_secret,
+ ¶m,
+ &protocol_and_hostname,
+ )
+ .await
+ }
+ }
.map_err(ErrorBadRequest)?;
- let rss = builder.build().map_err(ErrorBadRequest)?.to_string();
+ let rss = builder.build().to_string();
Ok(
HttpResponse::Ok()
)
}
-fn get_sort_type(info: web::Query<Params>) -> Result<SortType, ParseError> {
- let sort_query = info
- .sort
- .to_owned()
- .unwrap_or_else(|| SortType::Hot.to_string());
- SortType::from_str(&sort_query)
-}
-
-fn get_feed_user(
- conn: &PgConnection,
+#[tracing::instrument(skip_all)]
+async fn get_feed_user(
+ pool: &mut DbPool<'_>,
sort_type: &SortType,
+ limit: &i64,
+ page: &i64,
user_name: &str,
protocol_and_hostname: &str,
) -> Result<ChannelBuilder, LemmyError> {
- let site_view = SiteView::read(conn)?;
- let person = Person::find_by_name(conn, user_name)?;
-
- let posts = PostQueryBuilder::create(conn)
- .listing_type(ListingType::All)
- .sort(*sort_type)
- .creator_id(person.id)
- .list()?;
+ let site_view = SiteView::read_local(pool).await?;
+ let person = Person::read_from_name(pool, user_name, false).await?;
+
+ let posts = PostQuery {
+ listing_type: (Some(ListingType::All)),
+ sort: (Some(*sort_type)),
+ creator_id: (Some(person.id)),
+ limit: (Some(*limit)),
+ page: (Some(*page)),
+ ..Default::default()
+ }
+ .list(pool)
+ .await?;
let items = create_post_items(posts, protocol_and_hostname)?;
let mut channel_builder = ChannelBuilder::default();
channel_builder
- .namespaces(RSS_NAMESPACE.to_owned())
+ .namespaces(RSS_NAMESPACE.clone())
.title(&format!("{} - {}", site_view.site.name, person.name))
.link(person.actor_id.to_string())
.items(items);
Ok(channel_builder)
}
-fn get_feed_community(
- conn: &PgConnection,
+#[tracing::instrument(skip_all)]
+async fn get_feed_community(
+ pool: &mut DbPool<'_>,
sort_type: &SortType,
+ limit: &i64,
+ page: &i64,
community_name: &str,
protocol_and_hostname: &str,
) -> Result<ChannelBuilder, LemmyError> {
- let site_view = SiteView::read(conn)?;
- let community = Community::read_from_name(conn, community_name)?;
-
- let posts = PostQueryBuilder::create(conn)
- .listing_type(ListingType::All)
- .sort(*sort_type)
- .community_id(community.id)
- .list()?;
+ let site_view = SiteView::read_local(pool).await?;
+ let community = Community::read_from_name(pool, community_name, false).await?;
+
+ let posts = PostQuery {
+ sort: (Some(*sort_type)),
+ community_id: (Some(community.id)),
+ limit: (Some(*limit)),
+ page: (Some(*page)),
+ ..Default::default()
+ }
+ .list(pool)
+ .await?;
let items = create_post_items(posts, protocol_and_hostname)?;
let mut channel_builder = ChannelBuilder::default();
channel_builder
- .namespaces(RSS_NAMESPACE.to_owned())
+ .namespaces(RSS_NAMESPACE.clone())
.title(&format!("{} - {}", site_view.site.name, community.name))
.link(community.actor_id.to_string())
.items(items);
Ok(channel_builder)
}
-fn get_feed_front(
- conn: &PgConnection,
+#[tracing::instrument(skip_all)]
+async fn get_feed_front(
+ pool: &mut DbPool<'_>,
jwt_secret: &str,
sort_type: &SortType,
+ limit: &i64,
+ page: &i64,
jwt: &str,
protocol_and_hostname: &str,
) -> Result<ChannelBuilder, LemmyError> {
- let site_view = SiteView::read(conn)?;
+ let site_view = SiteView::read_local(pool).await?;
let local_user_id = LocalUserId(Claims::decode(jwt, jwt_secret)?.claims.sub);
- let local_user = LocalUser::read(conn, local_user_id)?;
-
- let posts = PostQueryBuilder::create(conn)
- .listing_type(ListingType::Subscribed)
- .my_person_id(local_user.person_id)
- .show_bot_accounts(local_user.show_bot_accounts)
- .show_read_posts(local_user.show_read_posts)
- .sort(*sort_type)
- .list()?;
+ let local_user = LocalUserView::read(pool, local_user_id).await?;
+
+ let posts = PostQuery {
+ listing_type: (Some(ListingType::Subscribed)),
+ local_user: (Some(&local_user)),
+ sort: (Some(*sort_type)),
+ limit: (Some(*limit)),
+ page: (Some(*page)),
+ ..Default::default()
+ }
+ .list(pool)
+ .await?;
let items = create_post_items(posts, protocol_and_hostname)?;
let mut channel_builder = ChannelBuilder::default();
channel_builder
- .namespaces(RSS_NAMESPACE.to_owned())
+ .namespaces(RSS_NAMESPACE.clone())
.title(&format!("{} - Subscribed", site_view.site.name))
.link(protocol_and_hostname)
.items(items);
Ok(channel_builder)
}
-fn get_feed_inbox(
- conn: &PgConnection,
+#[tracing::instrument(skip_all)]
+async fn get_feed_inbox(
+ pool: &mut DbPool<'_>,
jwt_secret: &str,
jwt: &str,
protocol_and_hostname: &str,
) -> Result<ChannelBuilder, LemmyError> {
- let site_view = SiteView::read(conn)?;
+ let site_view = SiteView::read_local(pool).await?;
let local_user_id = LocalUserId(Claims::decode(jwt, jwt_secret)?.claims.sub);
- let local_user = LocalUser::read(conn, local_user_id)?;
+ let local_user = LocalUser::read(pool, local_user_id).await?;
let person_id = local_user.person_id;
let show_bot_accounts = local_user.show_bot_accounts;
- let sort = SortType::New;
-
- let replies = CommentQueryBuilder::create(conn)
- .recipient_id(person_id)
- .my_person_id(person_id)
- .show_bot_accounts(show_bot_accounts)
- .sort(sort)
- .list()?;
+ let sort = CommentSortType::New;
- let mentions = PersonMentionQueryBuilder::create(conn)
- .recipient_id(person_id)
- .my_person_id(person_id)
- .sort(sort)
- .list()?;
+ let replies = CommentReplyQuery {
+ recipient_id: (Some(person_id)),
+ my_person_id: (Some(person_id)),
+ show_bot_accounts: (show_bot_accounts),
+ sort: (Some(sort)),
+ limit: (Some(RSS_FETCH_LIMIT)),
+ ..Default::default()
+ }
+ .list(pool)
+ .await?;
+
+ let mentions = PersonMentionQuery {
+ recipient_id: (Some(person_id)),
+ my_person_id: (Some(person_id)),
+ show_bot_accounts: (show_bot_accounts),
+ sort: (Some(sort)),
+ limit: (Some(RSS_FETCH_LIMIT)),
+ ..Default::default()
+ }
+ .list(pool)
+ .await?;
let items = create_reply_and_mention_items(replies, mentions, protocol_and_hostname)?;
let mut channel_builder = ChannelBuilder::default();
channel_builder
- .namespaces(RSS_NAMESPACE.to_owned())
+ .namespaces(RSS_NAMESPACE.clone())
.title(&format!("{} - Inbox", site_view.site.name))
- .link(format!("{}/inbox", protocol_and_hostname,))
+ .link(format!("{protocol_and_hostname}/inbox",))
.items(items);
if let Some(site_desc) = site_view.site.description {
Ok(channel_builder)
}
+#[tracing::instrument(skip_all)]
fn create_reply_and_mention_items(
- replies: Vec<CommentView>,
+ replies: Vec<CommentReplyView>,
mentions: Vec<PersonMentionView>,
protocol_and_hostname: &str,
) -> Result<Vec<Item>, LemmyError> {
let mut reply_items: Vec<Item> = replies
.iter()
.map(|r| {
- let reply_url = format!(
- "{}/post/{}/comment/{}",
- protocol_and_hostname, r.post.id, r.comment.id
- );
+ let reply_url = format!("{}/comment/{}", protocol_and_hostname, r.comment.id);
build_item(
&r.creator.name,
&r.comment.published,
let mut mention_items: Vec<Item> = mentions
.iter()
.map(|m| {
- let mention_url = format!(
- "{}/post/{}/comment/{}",
- protocol_and_hostname, m.post.id, m.comment.id
- );
+ let mention_url = format!("{}/comment/{}", protocol_and_hostname, m.comment.id);
build_item(
&m.creator.name,
&m.comment.published,
Ok(reply_items)
}
+#[tracing::instrument(skip_all)]
fn build_item(
creator_name: &str,
published: &NaiveDateTime,
protocol_and_hostname: &str,
) -> Result<Item, LemmyError> {
let mut i = ItemBuilder::default();
- i.title(format!("Reply from {}", creator_name));
- let author_url = format!("{}/u/{}", protocol_and_hostname, creator_name);
+ i.title(format!("Reply from {creator_name}"));
+ let author_url = format!("{protocol_and_hostname}/u/{creator_name}");
i.author(format!(
- "/u/{} <a href=\"{}\">(link)</a>",
- creator_name, author_url
+ "/u/{creator_name} <a href=\"{author_url}\">(link)</a>"
));
let dt = DateTime::<Utc>::from_utc(*published, Utc);
i.pub_date(dt.to_rfc2822());
i.comments(url.to_owned());
- let guid = GuidBuilder::default()
- .permalink(true)
- .value(url)
- .build()
- .map_err(|e| anyhow!(e))?;
+ let guid = GuidBuilder::default().permalink(true).value(url).build();
i.guid(guid);
i.link(url.to_owned());
// TODO add images
- let html = markdown_to_html(&content.to_string());
+ let html = markdown_to_html(content);
i.description(html);
- Ok(i.build().map_err(|e| anyhow!(e))?)
+ Ok(i.build())
}
+#[tracing::instrument(skip_all)]
fn create_post_items(
posts: Vec<PostView>,
protocol_and_hostname: &str,
i.pub_date(dt.to_rfc2822());
let post_url = format!("{}/post/{}", protocol_and_hostname, p.post.id);
- i.link(post_url.to_owned());
- i.comments(post_url.to_owned());
+ i.comments(post_url.clone());
let guid = GuidBuilder::default()
.permalink(true)
.value(&post_url)
- .build()
- .map_err(|e| anyhow!(e))?;
+ .build();
i.guid(guid);
let community_url = format!("{}/c/{}", protocol_and_hostname, p.community.name);
// If its a url post, add it to the description
if let Some(url) = p.post.url {
- let link_html = format!("<br><a href=\"{url}\">{url}</a>", url = url);
+ let link_html = format!("<br><a href=\"{url}\">{url}</a>");
description.push_str(&link_html);
+ i.link(url.to_string());
+ } else {
+ i.link(post_url.clone());
}
if let Some(body) = p.post.body {
i.description(description);
- i.dublin_core_ext(dc_extension.build().map_err(|e| anyhow!(e))?);
- items.push(i.build().map_err(|e| anyhow!(e))?);
+ i.dublin_core_ext(dc_extension.build());
+ items.push(i.build());
}
Ok(items)