use crate::{ extensions::context::lemmy_context, http::{create_apub_response, create_apub_tombstone_response}, objects::ToApub, ActorType, }; use activitystreams::{ base::{AnyBase, BaseExt, ExtendsExt}, collection::{CollectionExt, OrderedCollection, UnorderedCollection}, }; use actix_web::{body::Body, web, HttpResponse}; use lemmy_db::{ source::{community::Community, post::Post}, views::community::community_follower_view::CommunityFollowerView, }; use lemmy_structs::blocking; use lemmy_utils::LemmyError; use lemmy_websocket::LemmyContext; use serde::Deserialize; #[derive(Deserialize)] pub struct CommunityQuery { community_name: String, } /// Return the ActivityPub json representation of a local community over HTTP. pub async fn get_apub_community_http( info: web::Path, context: web::Data, ) -> Result, LemmyError> { let community = blocking(context.pool(), move |conn| { Community::read_from_name(conn, &info.community_name) }) .await??; if !community.deleted { let apub = community.to_apub(context.pool()).await?; Ok(create_apub_response(&apub)) } else { Ok(create_apub_tombstone_response(&community.to_tombstone()?)) } } /// Returns an empty followers collection, only populating the size (for privacy). pub async fn get_apub_community_followers( info: web::Path, context: web::Data, ) -> Result, LemmyError> { let community = blocking(context.pool(), move |conn| { Community::read_from_name(&conn, &info.community_name) }) .await??; let community_id = community.id; let community_followers = blocking(context.pool(), move |conn| { CommunityFollowerView::for_community(&conn, community_id) }) .await??; let mut collection = UnorderedCollection::new(); collection .set_many_contexts(lemmy_context()?) .set_id(community.get_followers_url()?) .set_total_items(community_followers.len() as u64); Ok(create_apub_response(&collection)) } /// Returns the community outbox, which is populated by a maximum of 20 posts (but no other /// activites like votes or comments). pub async fn get_apub_community_outbox( info: web::Path, context: web::Data, ) -> Result, LemmyError> { let community = blocking(context.pool(), move |conn| { Community::read_from_name(&conn, &info.community_name) }) .await??; let community_id = community.id; let posts = blocking(context.pool(), move |conn| { Post::list_for_community(conn, community_id) }) .await??; let mut pages: Vec = vec![]; for p in posts { pages.push(p.to_apub(context.pool()).await?.into_any_base()?); } let len = pages.len(); let mut collection = OrderedCollection::new(); collection .set_many_items(pages) .set_many_contexts(lemmy_context()?) .set_id(community.get_outbox_url()?) .set_total_items(len as u64); Ok(create_apub_response(&collection)) }