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other sort options, sort by hot by default, adjust rss fields

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This commit is contained in:
Felix Ableitner 2019-11-23 21:36:48 +01:00
parent 45df3425d1
commit fd9fa27cd2
1 changed files with 28 additions and 16 deletions
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46
server/src/feeds.rs
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@ -3,33 +3,43 @@ extern crate htmlescape;
use super::*; use super::*;
use crate::Settings; use crate::Settings;
use crate::db::{establish_connection, ListingType, SortType, Crud}; use crate::db::{establish_connection, ListingType, SortType};
use crate::db::community_view::SiteView; use crate::db::community_view::SiteView;
use crate::db::post_view::PostView; use crate::db::post_view::PostView;
use crate::db::user::User_; use crate::db::user::User_;
use crate::db::community::Community; use crate::db::community::Community;
use actix_web::{HttpResponse, web, Result}; use actix_web::{HttpResponse, web, Result, HttpRequest};
use actix_web::body::Body; use actix_web::body::Body;
use rss::{ChannelBuilder, Item, ItemBuilder}; use rss::{ChannelBuilder, Item, ItemBuilder};
use diesel::result::Error; use diesel::result::Error;
use std::str::FromStr;
use self::rss::Guid;
pub fn get_feed(info: web::Path<(char, String)>) -> HttpResponse<Body> {
return match get_feed_internal(info) { pub fn get_feed(path: web::Path<(char, String)>, req: HttpRequest) -> HttpResponse<Body> {
let sort_query = match req.match_info().query("sort").parse() {
Ok(param) => param,
Err(_) => SortType::Hot.to_string(),
};
let sort_type = match SortType::from_str(&sort_query) {
Ok(sort) => sort,
Err(_) => return HttpResponse::BadRequest().finish(),
};
return match get_feed_internal(path, &sort_type) {
Ok(body) => HttpResponse::Ok() Ok(body) => HttpResponse::Ok()
.content_type("application/rss+xml") .content_type("application/rss+xml")
.body(body), .body(body),
// TODO: handle the specific type of error (403, 500, etc) // TODO: handle the specific type of error (403, 500, etc)
Err(e) => HttpResponse::InternalServerError().finish(), Err(_) => HttpResponse::InternalServerError().finish(),
}
} }
} fn get_feed_internal(info: web::Path<(char, String)>, sort_type: &SortType) -> Result<String, Error> {
fn get_feed_internal(info: web::Path<(char, String)>) -> Result<String, Error> {
let conn = establish_connection(); let conn = establish_connection();
let mut community_id: Option<i32> = None; let mut community_id: Option<i32> = None;
let mut creator_id: Option<i32> = None; let mut creator_id: Option<i32> = None;
// TODO: add a feed for /type/all
match info.0 { match info.0 {
'c' => community_id = Some(Community::read_from_name(&conn,info.1.clone())?.id), 'c' => community_id = Some(Community::read_from_name(&conn,info.1.clone())?.id),
'u' => creator_id = Some(User_::find_by_email_or_username(&conn,&info.1)?.id), 'u' => creator_id = Some(User_::find_by_email_or_username(&conn,&info.1)?.id),
@ -38,7 +48,7 @@ fn get_feed_internal(info: web::Path<(char, String)>) -> Result<String, Error> {
let post = PostView::list(&conn, let post = PostView::list(&conn,
ListingType::All, ListingType::All,
&SortType::New, sort_type,
community_id, community_id,
creator_id, creator_id,
None, None,
@ -52,21 +62,25 @@ fn get_feed_internal(info: web::Path<(char, String)>) -> Result<String, Error> {
let mut items: Vec<Item> = Vec::new(); let mut items: Vec<Item> = Vec::new();
for p in post { for p in post {
// TODO: this may cause a lot of db queries
let user = User_::read(&conn, p.creator_id)?;
let dt = DateTime::<Utc>::from_utc(p.published, Utc); let dt = DateTime::<Utc>::from_utc(p.published, Utc);
let mut i = ItemBuilder::default(); let mut i = ItemBuilder::default();
i.title(htmlescape::encode_minimal(&p.name)); i.title(htmlescape::encode_minimal(&p.name));
i.author(htmlescape::encode_minimal(&user.name));
i.pub_date(htmlescape::encode_minimal(&dt.to_rfc2822())); i.pub_date(htmlescape::encode_minimal(&dt.to_rfc2822()));
// TODO: there is probably a better way to get the lemmy post url
let post_url = format!("https://{}/post/{}", Settings::get().hostname, p.id);
let mut guid = Guid::default();
guid.set_permalink(true);
guid.set_value(&post_url);
i.guid(guid);
i.comments(post_url);
if p.url.is_some() { if p.url.is_some() {
i.link(p.url.unwrap()); i.link(p.url.unwrap());
} }
if p.body.is_some() { if p.body.is_some() {
i.content(p.body.unwrap()); i.content(p.body.unwrap());
} }
// TODO: any other fields?
// https://rust-syndication.github.io/rss/rss/struct.ItemBuilder.html
items.push(i.build().unwrap()); items.push(i.build().unwrap());
} }
@ -78,8 +92,6 @@ fn get_feed_internal(info: web::Path<(char, String)>) -> Result<String, Error> {
if site_view.description.is_some() { if site_view.description.is_some() {
channel_builder.description(htmlescape::encode_minimal(&site_view.description.unwrap())); channel_builder.description(htmlescape::encode_minimal(&site_view.description.unwrap()));
} }
// TODO: any other fields?
// https://rust-syndication.github.io/rss/rss/struct.ChannelBuilder.html
let channel = channel_builder.build().unwrap(); let channel = channel_builder.build().unwrap();
channel.write_to(::std::io::sink()).unwrap(); channel.write_to(::std::io::sink()).unwrap();