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Avoid using database views in federation code

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This commit is contained in:
Felix Ableitner 2020-04-03 11:00:24 +02:00
parent 6f4ba8be26
commit 75dbfeef4f
5 changed files with 36 additions and 26 deletions
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2
docker/federation-test/nginx.conf vendored
View file

@ -45,7 +45,7 @@ http {
client_max_body_size 50M;
location / {
proxy_pass http://lemmy_beta:8540;
proxy_pass http://lemmy_beta:8550;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header Host $host;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;

30
server/src/apub/community.rs
View file

@ -1,5 +1,3 @@
use crate::api::community::ListCommunities;
use crate::api::{Oper, Perform};
use crate::apub::puller::{fetch_remote_object, format_community_name};
use crate::apub::{
create_apub_response, get_apub_protocol_string, make_apub_endpoint, EndpointType, GroupExt,
@ -8,7 +6,7 @@ use crate::convert_datetime;
use crate::db::community::Community;
use crate::db::community_view::{CommunityFollowerView, CommunityView};
use crate::db::establish_unpooled_connection;
use crate::db::post_view::{PostQueryBuilder, PostView};
use crate::db::post::Post;
use crate::settings::Settings;
use activitystreams::actor::properties::ApActorProperties;
use activitystreams::collection::OrderedCollection;
@ -34,20 +32,10 @@ pub async fn get_apub_community_list(
db: web::Data<Pool<ConnectionManager<PgConnection>>>,
) -> Result<HttpResponse<Body>, Error> {
// TODO: implement pagination
let query = ListCommunities {
sort: "Hot".to_string(),
page: None,
limit: None,
auth: None,
local_only: Some(true),
};
let communities = Oper::new(query)
.perform(&db.get().unwrap())
.unwrap()
.communities
let communities = Community::list(&db.get().unwrap())?
.iter()
.map(|c| c.as_group())
.collect::<Result<Vec<GroupExt>, failure::Error>>()?;
.collect::<Result<Vec<GroupExt>, Error>>()?;
let mut collection = UnorderedCollection::default();
let oprops: &mut ObjectProperties = collection.as_mut();
oprops.set_context_xsd_any_uri(context())?.set_id(format!(
@ -63,7 +51,7 @@ pub async fn get_apub_community_list(
Ok(create_apub_response(&collection))
}
impl CommunityView {
impl Community {
fn as_group(&self) -> Result<GroupExt, Error> {
let base_url = make_apub_endpoint(EndpointType::Community, &self.name);
@ -97,7 +85,9 @@ impl CommunityView {
Ok(group.extend(actor_props))
}
}
impl CommunityView {
pub fn from_group(group: &GroupExt, domain: &str) -> Result<CommunityView, Error> {
let followers_uri = &group.extension.get_followers().unwrap().to_string();
let outbox_uri = &group.extension.get_outbox().to_string();
@ -147,8 +137,7 @@ pub async fn get_apub_community_http(
db: web::Data<Pool<ConnectionManager<PgConnection>>>,
) -> Result<HttpResponse<Body>, Error> {
let community = Community::read_from_name(&&db.get()?, info.community_name.to_owned())?;
let community_view = CommunityView::read(&&db.get()?, community.id, None)?;
let c = community_view.as_group()?;
let c = community.as_group()?;
Ok(create_apub_response(&c))
}
@ -184,10 +173,7 @@ pub async fn get_apub_community_outbox(
let connection = establish_unpooled_connection();
//As we are an object, we validated that the community id was valid
let community_posts: Vec<PostView> = PostQueryBuilder::create(&connection)
.for_community_id(community.id)
.list()
.unwrap();
let community_posts: Vec<Post> = Post::list_for_community(&connection, community.id)?;
let mut collection = OrderedCollection::default();
let oprops: &mut ObjectProperties = collection.as_mut();

8
server/src/apub/post.rs
View file

@ -1,4 +1,5 @@
use crate::apub::{create_apub_response, make_apub_endpoint, EndpointType};
use crate::db::post::Post;
use crate::db::post_view::PostView;
use crate::{convert_datetime, naive_now};
use activitystreams::{object::properties::ObjectProperties, object::Page};
@ -20,12 +21,11 @@ pub async fn get_apub_post(
db: web::Data<Pool<ConnectionManager<PgConnection>>>,
) -> Result<HttpResponse<Body>, Error> {
let id = info.post_id.parse::<i32>()?;
// TODO: shows error: missing field `user_name`
let post = PostView::read(&&db.get()?, id, None)?;
let post = Post::read(&&db.get()?, id)?;
Ok(create_apub_response(&post.as_page()?))
}
impl PostView {
impl Post {
pub fn as_page(&self) -> Result<Page, Error> {
let base_url = make_apub_endpoint(EndpointType::Post, &self.id.to_string());
let mut page = Page::default();
@ -59,7 +59,9 @@ impl PostView {
Ok(page)
}
}
impl PostView {
pub fn from_page(page: &Page) -> Result<PostView, Error> {
let oprops = &page.object_props;
Ok(PostView {

5
server/src/db/community.rs
View file

@ -79,6 +79,11 @@ impl Community {
.first::<Self>(conn)
}
pub fn list(conn: &PgConnection) -> Result<Vec<Self>, Error> {
use crate::schema::community::dsl::*;
community.load::<Community>(conn)
}
pub fn get_url(&self) -> String {
format!("https://{}/c/{}", Settings::get().hostname, self.name)
}

17
server/src/db/post.rs
View file

@ -43,6 +43,23 @@ pub struct PostForm {
pub thumbnail_url: Option<String>,
}
impl Post {
pub fn read(conn: &PgConnection, post_id: i32) -> Result<Self, Error> {
use crate::schema::post::dsl::*;
post.filter(id.eq(post_id)).first::<Self>(conn)
}
pub fn list_for_community(
conn: &PgConnection,
the_community_id: i32,
) -> Result<Vec<Self>, Error> {
use crate::schema::post::dsl::*;
post
.filter(community_id.eq(the_community_id))
.load::<Self>(conn)
}
}
impl Crud<PostForm> for Post {
fn read(conn: &PgConnection, post_id: i32) -> Result<Self, Error> {
use crate::schema::post::dsl::*;