use crate::{fetcher::resolve_actor_identifier, objects::community::ApubCommunity}; use activitypub_federation::config::Data; use actix_web::web::{Json, Query}; use lemmy_api_common::{ community::{GetCommunity, GetCommunityResponse}, context::LemmyContext, utils::{check_private_instance, is_mod_or_admin_opt, local_user_view_from_jwt_opt}, }; use lemmy_db_schema::source::{ actor_language::CommunityLanguage, community::Community, local_site::LocalSite, site::Site, }; use lemmy_db_views_actor::structs::{CommunityModeratorView, CommunityView}; use lemmy_utils::error::{LemmyError, LemmyErrorExt, LemmyErrorExt2, LemmyErrorType}; #[tracing::instrument(skip(context))] pub async fn read_community( data: Query, context: Data, ) -> Result, LemmyError> { let local_user_view = local_user_view_from_jwt_opt(data.auth.as_ref(), &context).await; let local_site = LocalSite::read(&mut context.pool()).await?; if data.name.is_none() && data.id.is_none() { return Err(LemmyErrorType::NoIdGiven)?; } check_private_instance(&local_user_view, &local_site)?; let person_id = local_user_view.as_ref().map(|u| u.person.id); let community_id = match data.id { Some(id) => id, None => { let name = data.name.clone().unwrap_or_else(|| "main".to_string()); resolve_actor_identifier::(&name, &context, &local_user_view, true) .await .with_lemmy_type(LemmyErrorType::CouldntFindCommunity)? .id } }; let is_mod_or_admin = is_mod_or_admin_opt( &mut context.pool(), local_user_view.as_ref(), Some(community_id), ) .await .is_ok(); let community_view = CommunityView::read( &mut context.pool(), community_id, person_id, Some(is_mod_or_admin), ) .await .with_lemmy_type(LemmyErrorType::CouldntFindCommunity)?; let moderators = CommunityModeratorView::for_community(&mut context.pool(), community_id) .await .with_lemmy_type(LemmyErrorType::CouldntFindCommunity)?; let site_id = Site::instance_actor_id_from_url(community_view.community.actor_id.clone().into()); let mut site = Site::read_from_apub_id(&mut context.pool(), &site_id.into()).await?; // no need to include metadata for local site (its already available through other endpoints). // this also prevents us from leaking the federation private key. if let Some(s) = &site { if s.actor_id.domain() == Some(context.settings().hostname.as_ref()) { site = None; } } let community_id = community_view.community.id; let discussion_languages = CommunityLanguage::read(&mut context.pool(), community_id).await?; Ok(Json(GetCommunityResponse { community_view, site, moderators, discussion_languages, })) }