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Some RSS work.

Browse Source 
- Display rss buttons on front end for user, /c/all, and community
pages. Fixes #348.
- Some clean up and additions to RSS feeds.
This commit is contained in:
Dessalines 2019-12-01 17:21:19 -08:00
parent dd1c9227f8
commit c2303db1aa
8 changed files with 177 additions and 68 deletions
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11
docker/dev/dev_deploy.sh vendored Executable file
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@ -0,0 +1,11 @@
#!/bin/sh
# Building from the dev branch for dev servers
git checkout dev
# Rebuilding dev docker
docker-compose build
docker tag dev_lemmy:latest dessalines/lemmy:dev
docker push dessalines/lemmy:dev
git checkout master

191
server/src/feeds.rs
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@ -1,20 +1,19 @@
extern crate rss;
extern crate htmlescape; extern crate htmlescape;
extern crate rss;
use super::*; use super::*;
use crate::Settings; use crate::db::community::Community;
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::{establish_connection, ListingType, SortType};
use actix_web::{HttpResponse, web, Result}; use crate::Settings;
use actix_web::body::Body; use actix_web::body::Body;
use rss::{ChannelBuilder, Item, ItemBuilder}; use actix_web::{web, HttpResponse, Result};
use diesel::result::Error; use diesel::result::Error;
use std::str::FromStr; use rss::{CategoryBuilder, ChannelBuilder, GuidBuilder, Item, ItemBuilder};
use self::rss::Guid;
use serde::Deserialize; use serde::Deserialize;
use std::str::FromStr;
use strum::ParseError; use strum::ParseError;
#[derive(Deserialize)] #[derive(Deserialize)]
@ -29,25 +28,24 @@ enum RequestType {
} }
pub fn get_all_feed(info: web::Query<Params>) -> HttpResponse<Body> { pub fn get_all_feed(info: web::Query<Params>) -> HttpResponse<Body> {
let sort_type = get_sort_type(info); let sort_type = match get_sort_type(info) {
if sort_type.is_err() { Ok(sort_type) => sort_type,
return HttpResponse::BadRequest().finish(); Err(_) => return HttpResponse::BadRequest().finish(),
} };
let result = get_feed_internal(&sort_type.unwrap(), RequestType::All, None); match get_feed_internal(&sort_type, RequestType::All, None) {
return match result {
Ok(rss) => HttpResponse::Ok() Ok(rss) => HttpResponse::Ok()
.content_type("application/rss+xml") .content_type("application/rss+xml")
.body(rss), .body(rss),
Err(_) => HttpResponse::InternalServerError().finish(), Err(_) => HttpResponse::InternalServerError().finish(),
}; }
} }
pub fn get_feed(path: web::Path<(char, String)>, info: web::Query<Params>) -> HttpResponse<Body> { pub fn get_feed(path: web::Path<(char, String)>, info: web::Query<Params>) -> HttpResponse<Body> {
let sort_type = get_sort_type(info); let sort_type = match get_sort_type(info) {
if sort_type.is_err() { Ok(sort_type) => sort_type,
return HttpResponse::BadRequest().finish(); Err(_) => return HttpResponse::BadRequest().finish(),
} };
let request_type = match path.0 { let request_type = match path.0 {
'u' => RequestType::User, 'u' => RequestType::User,
@ -55,39 +53,79 @@ pub fn get_feed(path: web::Path<(char, String)>, info: web::Query<Params>) -> Ht
_ => return HttpResponse::NotFound().finish(), _ => return HttpResponse::NotFound().finish(),
}; };
let result = get_feed_internal(&sort_type.unwrap(), request_type, Some(path.1.clone())); match get_feed_internal(&sort_type, request_type, Some(path.1.to_owned())) {
if result.is_ok() { Ok(rss) => HttpResponse::Ok()
let rss = result.unwrap();
return HttpResponse::Ok()
.content_type("application/rss+xml") .content_type("application/rss+xml")
.body(rss); .body(rss),
} else { Err(_) => HttpResponse::NotFound().finish(),
let error = result.err().unwrap();
return match error {
Error::NotFound => HttpResponse::NotFound().finish(),
_ => HttpResponse::InternalServerError().finish(),
}
} }
} }
fn get_sort_type(info: web::Query<Params>) -> Result<SortType, ParseError> { fn get_sort_type(info: web::Query<Params>) -> Result<SortType, ParseError> {
let sort_query = info.sort.clone().unwrap_or(SortType::Hot.to_string()); let sort_query = info.sort.to_owned().unwrap_or(SortType::Hot.to_string());
return SortType::from_str(&sort_query); SortType::from_str(&sort_query)
} }
fn get_feed_internal(sort_type: &SortType, request_type: RequestType, name: Option<String>) fn get_feed_internal(
-> Result<String, Error> { sort_type: &SortType,
request_type: RequestType,
name: Option<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;
let site_view = SiteView::read(&conn)?;
let mut channel_builder = ChannelBuilder::default();
// TODO do channel image, need to externalize
match request_type { match request_type {
RequestType::All =>(), RequestType::All => {
RequestType::Community => community_id = Some(Community::read_from_name(&conn,name.unwrap())?.id), channel_builder
RequestType::User => creator_id = Some(User_::find_by_email_or_username(&conn,&name.unwrap())?.id), .title(htmlescape::encode_minimal(&site_view.name))
.link(format!("https://{}", Settings::get().hostname));
if let Some(site_desc) = site_view.description {
channel_builder.description(htmlescape::encode_minimal(&site_desc));
}
}
RequestType::Community => {
let community = Community::read_from_name(&conn, name.unwrap())?;
community_id = Some(community.id);
let community_url = format!("https://{}/c/{}", Settings::get().hostname, community.name);
channel_builder
.title(htmlescape::encode_minimal(&format!(
"{} - {}",
site_view.name, community.name
)))
.link(community_url);
if let Some(community_desc) = community.description {
channel_builder.description(htmlescape::encode_minimal(&community_desc));
}
}
RequestType::User => {
let creator = User_::find_by_email_or_username(&conn, &name.unwrap())?;
creator_id = Some(creator.id);
let creator_url = format!("https://{}/u/{}", Settings::get().hostname, creator.name);
channel_builder
.title(htmlescape::encode_minimal(&format!(
"{} - {}",
site_view.name, creator.name
)))
.link(creator_url);
}
} }
let post = PostView::list(&conn, let posts = PostView::list(
&conn,
ListingType::All, ListingType::All,
sort_type, sort_type,
community_id, community_id,
@ -99,41 +137,76 @@ fn get_feed_internal(sort_type: &SortType, request_type: RequestType, name: Opti
false, false,
false, false,
None, None,
None,)?; None,
)?;
let mut items: Vec<Item> = Vec::new(); let mut items: Vec<Item> = Vec::new();
for p in post {
let dt = DateTime::<Utc>::from_utc(p.published, Utc); for p in posts {
let mut i = ItemBuilder::default(); let mut i = ItemBuilder::default();
i.title(htmlescape::encode_minimal(&p.name)); i.title(htmlescape::encode_minimal(&p.name));
let author_url = format!("https://{}/u/{}", Settings::get().hostname, p.creator_name);
i.author(format!(
"/u/{} <a href=\"{}\">(link)</a>",
p.creator_name, author_url
));
let dt = DateTime::<Utc>::from_utc(p.published, Utc);
i.pub_date(htmlescape::encode_minimal(&dt.to_rfc2822())); i.pub_date(htmlescape::encode_minimal(&dt.to_rfc2822()));
let post_url = format!("https://{}/post/{}", Settings::get().hostname, p.id); let post_url = format!("https://{}/post/{}", Settings::get().hostname, p.id);
let mut guid = Guid::default(); i.comments(post_url.to_owned());
guid.set_permalink(true); let guid = GuidBuilder::default()
guid.set_value(&post_url); .permalink(true)
i.guid(guid); .value(&post_url)
i.comments(post_url); .build();
i.guid(guid.unwrap());
if p.url.is_some() { let community_url = format!(
i.link(p.url.unwrap()); "https://{}/c/{}",
Settings::get().hostname,
p.community_name
);
let category = CategoryBuilder::default()
.name(format!(
"/c/{} <a href=\"{}\">(link)</a>",
p.community_name, community_url
))
.domain(Settings::get().hostname)
.build();
i.categories(vec![category.unwrap()]);
if let Some(url) = p.url {
i.link(url);
} }
if p.body.is_some() {
i.content(p.body.unwrap()); // TODO find a markdown to html parser here, do images, etc
let mut description = format!("
submitted by <a href=\"{}\">{}</a> to <a href=\"{}\">{}</a><br>{} points | <a href=\"{}\">{} comments</a>",
author_url,
p.creator_name,
community_url,
p.community_name,
p.score,
post_url,
p.number_of_comments);
if let Some(body) = p.body {
description.push_str(&format!("<br><br>{}", body));
} }
i.description(description);
items.push(i.build().unwrap()); items.push(i.build().unwrap());
} }
let site_view = SiteView::read(&conn)?; channel_builder.items(items);
let mut channel_builder = ChannelBuilder::default();
channel_builder.title(htmlescape::encode_minimal(&site_view.name))
.link(format!("https://{}", Settings::get().hostname))
.items(items);
if site_view.description.is_some() {
channel_builder.description(htmlescape::encode_minimal(&site_view.description.unwrap()));
}
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();
return Ok(channel.to_string()); Ok(channel.to_string())
} }

2
server/src/lib.rs
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@ -25,11 +25,11 @@ pub extern crate strum;
pub mod api; pub mod api;
pub mod apub; pub mod apub;
pub mod db; pub mod db;
pub mod feeds;
pub mod nodeinfo; pub mod nodeinfo;
pub mod schema; pub mod schema;
pub mod version; pub mod version;
pub mod websocket; pub mod websocket;
pub mod feeds;
use chrono::{DateTime, NaiveDateTime, Utc}; use chrono::{DateTime, NaiveDateTime, Utc};
use dotenv::dotenv; use dotenv::dotenv;

2
server/src/main.rs
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@ -7,8 +7,8 @@ use actix_files::NamedFile;
use actix_web::*; use actix_web::*;
use actix_web_actors::ws; use actix_web_actors::ws;
use lemmy_server::db::establish_connection; use lemmy_server::db::establish_connection;
use lemmy_server::nodeinfo;
use lemmy_server::feeds; use lemmy_server::feeds;
use lemmy_server::nodeinfo;
use lemmy_server::websocket::server::*; use lemmy_server::websocket::server::*;
use std::env; use std::env;
use std::time::{Duration, Instant}; use std::time::{Duration, Instant};

7
ui/src/components/community.tsx vendored
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@ -174,6 +174,13 @@ export class Community extends Component<any, State> {
return ( return (
<div class="mb-2"> <div class="mb-2">
<SortSelect sort={this.state.sort} onChange={this.handleSortChange} /> <SortSelect sort={this.state.sort} onChange={this.handleSortChange} />
<a
href={`${document.location.origin}/feeds/c/${this.state.communityName}.xml`}
>
<svg class="icon mx-2 text-muted small">
<use xlinkHref="#icon-rss">#</use>
</svg>
</a>
</div> </div>
); );
} }

9
ui/src/components/main.tsx vendored
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@ -431,9 +431,16 @@ export class Main extends Component<any, MainState> {
type_={this.state.type_} type_={this.state.type_}
onChange={this.handleTypeChange} onChange={this.handleTypeChange}
/> />
<span class="ml-2"> <span class="mx-2">
<SortSelect sort={this.state.sort} onChange={this.handleSortChange} /> <SortSelect sort={this.state.sort} onChange={this.handleSortChange} />
</span> </span>
{this.state.type_ == ListingType.All && (
<a href={`${document.location.origin}/feeds/all.xml`}>
<svg class="icon mx-1 text-muted small">
<use xlinkHref="#icon-rss">#</use>
</svg>
</a>
)}
</div> </div>
); );
} }

4
ui/src/components/symbols.tsx vendored
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@ -15,6 +15,10 @@ export class Symbols extends Component<any, any> {
xmlnsXlink="http://www.w3.org/1999/xlink" xmlnsXlink="http://www.w3.org/1999/xlink"
> >
<defs> <defs>
<symbol id="icon-rss" viewBox="0 0 32 32">
<title>rss</title>
<path d="M4.259 23.467c-2.35 0-4.259 1.917-4.259 4.252 0 2.349 1.909 4.244 4.259 4.244 2.358 0 4.265-1.895 4.265-4.244-0-2.336-1.907-4.252-4.265-4.252zM0.005 10.873v6.133c3.993 0 7.749 1.562 10.577 4.391 2.825 2.822 4.384 6.595 4.384 10.603h6.16c-0-11.651-9.478-21.127-21.121-21.127zM0.012 0v6.136c14.243 0 25.836 11.604 25.836 25.864h6.152c0-17.64-14.352-32-31.988-32z"></path>
</symbol>
<symbol id="icon-arrow-down" viewBox="0 0 26 28"> <symbol id="icon-arrow-down" viewBox="0 0 26 28">
<title>arrow-down</title> <title>arrow-down</title>
<path d="M25.172 13c0 0.531-0.219 1.047-0.578 1.406l-10.172 10.187c-0.375 0.359-0.891 0.578-1.422 0.578s-1.047-0.219-1.406-0.578l-10.172-10.187c-0.375-0.359-0.594-0.875-0.594-1.406s0.219-1.047 0.594-1.422l1.156-1.172c0.375-0.359 0.891-0.578 1.422-0.578s1.047 0.219 1.406 0.578l4.594 4.594v-11c0-1.094 0.906-2 2-2h2c1.094 0 2 0.906 2 2v11l4.594-4.594c0.359-0.359 0.875-0.578 1.406-0.578s1.047 0.219 1.422 0.578l1.172 1.172c0.359 0.375 0.578 0.891 0.578 1.422z"></path> <path d="M25.172 13c0 0.531-0.219 1.047-0.578 1.406l-10.172 10.187c-0.375 0.359-0.891 0.578-1.422 0.578s-1.047-0.219-1.406-0.578l-10.172-10.187c-0.375-0.359-0.594-0.875-0.594-1.406s0.219-1.047 0.594-1.422l1.156-1.172c0.375-0.359 0.891-0.578 1.422-0.578s1.047 0.219 1.406 0.578l4.594 4.594v-11c0-1.094 0.906-2 2-2h2c1.094 0 2 0.906 2 2v11l4.594-4.594c0.359-0.359 0.875-0.578 1.406-0.578s1.047 0.219 1.422 0.578l1.172 1.172c0.359 0.375 0.578 0.891 0.578 1.422z"></path>

7
ui/src/components/user.tsx vendored
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@ -249,6 +249,13 @@ export class User extends Component<any, UserState> {
hideHot hideHot
/> />
</span> </span>
<a
href={`${document.location.origin}/feeds/u/${this.state.username}.xml`}
>
<svg class="icon mx-2 text-muted small">
<use xlinkHref="#icon-rss">#</use>
</svg>
</a>
</div> </div>
); );
} }