use crate::{ extensions::context::lemmy_context, http::{create_apub_response, create_apub_tombstone_response}, objects::ToApub, ActorType, }; use activitystreams::{ base::{AnyBase, BaseExt}, collection::{CollectionExt, OrderedCollection, UnorderedCollection}, }; use actix_web::{body::Body, web, HttpResponse}; use lemmy_api_structs::blocking; use lemmy_db_queries::source::{activity::Activity_, community::Community_}; use lemmy_db_schema::source::{activity::Activity, community::Community}; use lemmy_db_views_actor::community_follower_view::CommunityFollowerView; 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.followers_url.into()) .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_actor_id = community.actor_id.to_owned(); let activities = blocking(context.pool(), move |conn| { Activity::read_community_outbox(conn, &community_actor_id) }) .await??; let activities = activities .iter() .map(AnyBase::from_arbitrary_json) .collect::, serde_json::Error>>()?; let len = activities.len(); let mut collection = OrderedCollection::new(); collection .set_many_items(activities) .set_many_contexts(lemmy_context()?) .set_id(community.get_outbox_url()?) .set_total_items(len as u64); Ok(create_apub_response(&collection)) } pub async fn get_apub_community_inbox( 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 mut collection = OrderedCollection::new(); collection .set_id(format!("{}/inbox", community.actor_id).parse()?) .set_many_contexts(lemmy_context()?); Ok(create_apub_response(&collection)) }