crates/api_crud/src/community/list.rs

   1 use crate::PerformCrud;
   2 use actix_web::web::Data;
   3 use lemmy_api_common::{
   4   community::{ListCommunities, ListCommunitiesResponse},
   5   context::LemmyContext,
   6   utils::{check_private_instance, is_admin, local_user_view_from_jwt_opt},
   7 };
   8 use lemmy_db_schema::source::local_site::LocalSite;
   9 use lemmy_db_views_actor::community_view::CommunityQuery;
  10 use lemmy_utils::{error::LemmyError, ConnectionId};
  11
  12 #[async_trait::async_trait(?Send)]
  13 impl PerformCrud for ListCommunities {
  14   type Response = ListCommunitiesResponse;
  15
  16   #[tracing::instrument(skip(context, _websocket_id))]
  17   async fn perform(
  18     &self,
  19     context: &Data<LemmyContext>,
  20     _websocket_id: Option<ConnectionId>,
  21   ) -> Result<ListCommunitiesResponse, LemmyError> {
  22     let data: &ListCommunities = self;
  23     let local_user_view = local_user_view_from_jwt_opt(data.auth.as_ref(), context).await;
  24     let local_site = LocalSite::read(context.pool()).await?;
  25     let is_admin = local_user_view.as_ref().map(|luv| is_admin(luv).is_ok());
  26
  27     check_private_instance(&local_user_view, &local_site)?;
  28
  29     let sort = data.sort;
  30     let listing_type = data.type_;
  31     let page = data.page;
  32     let limit = data.limit;
  33     let local_user = local_user_view.map(|l| l.local_user);
  34     let communities = CommunityQuery::builder()
  35       .pool(context.pool())
  36       .listing_type(listing_type)
  37       .sort(sort)
  38       .local_user(local_user.as_ref())
  39       .page(page)
  40       .limit(limit)
  41       .is_mod_or_admin(is_admin)
  42       .build()
  43       .list()
  44       .await?;
  45
  46     // Return the jwt
  47     Ok(ListCommunitiesResponse { communities })
  48   }
  49 }