crates/apub/src/api/list_posts.rs

   1 use crate::{
   2   api::{listing_type_with_default, PerformApub},
   3   fetcher::resolve_actor_identifier,
   4   objects::community::ApubCommunity,
   5 };
   6 use activitypub_federation::config::Data;
   7 use lemmy_api_common::{
   8   context::LemmyContext,
   9   post::{GetPosts, GetPostsResponse},
  10   utils::{check_private_instance, is_mod_or_admin_opt, local_user_view_from_jwt_opt},
  11 };
  12 use lemmy_db_schema::source::{community::Community, local_site::LocalSite};
  13 use lemmy_db_views::post_view::PostQuery;
  14 use lemmy_utils::{error::LemmyError, ConnectionId};
  15
  16 #[async_trait::async_trait]
  17 impl PerformApub for GetPosts {
  18   type Response = GetPostsResponse;
  19
  20   #[tracing::instrument(skip(context, _websocket_id))]
  21   async fn perform(
  22     &self,
  23     context: &Data<LemmyContext>,
  24     _websocket_id: Option<ConnectionId>,
  25   ) -> Result<GetPostsResponse, LemmyError> {
  26     let data: &GetPosts = self;
  27     let local_user_view = local_user_view_from_jwt_opt(data.auth.as_ref(), context).await;
  28     let local_site = LocalSite::read(context.pool()).await?;
  29
  30     check_private_instance(&local_user_view, &local_site)?;
  31
  32     let sort = data.sort;
  33
  34     let page = data.page;
  35     let limit = data.limit;
  36     let community_id = if let Some(name) = &data.community_name {
  37       resolve_actor_identifier::<ApubCommunity, Community>(name, context, &None, true)
  38         .await
  39         .ok()
  40         .map(|c| c.id)
  41     } else {
  42       data.community_id
  43     };
  44     let saved_only = data.saved_only;
  45
  46     let listing_type = listing_type_with_default(data.type_, &local_site, community_id)?;
  47
  48     let is_mod_or_admin =
  49       is_mod_or_admin_opt(context.pool(), local_user_view.as_ref(), community_id)
  50         .await
  51         .is_ok();
  52
  53     let posts = PostQuery::builder()
  54       .pool(context.pool())
  55       .local_user(local_user_view.map(|l| l.local_user).as_ref())
  56       .listing_type(Some(listing_type))
  57       .sort(sort)
  58       .community_id(community_id)
  59       .saved_only(saved_only)
  60       .page(page)
  61       .limit(limit)
  62       .is_mod_or_admin(Some(is_mod_or_admin))
  63       .build()
  64       .list()
  65       .await
  66       .map_err(|e| LemmyError::from_error_message(e, "couldnt_get_posts"))?;
  67
  68     Ok(GetPostsResponse { posts })
  69   }
  70 }