crates/apub/src/api/list_comments.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   comment::{GetComments, GetCommentsResponse},
   9   context::LemmyContext,
  10   utils::{check_private_instance, get_local_user_view_from_jwt_opt},
  11 };
  12 use lemmy_db_schema::{
  13   source::{comment::Comment, community::Community, local_site::LocalSite},
  14   traits::Crud,
  15 };
  16 use lemmy_db_views::comment_view::CommentQuery;
  17 use lemmy_utils::{error::LemmyError, ConnectionId};
  18
  19 #[async_trait::async_trait]
  20 impl PerformApub for GetComments {
  21   type Response = GetCommentsResponse;
  22
  23   #[tracing::instrument(skip(context, _websocket_id))]
  24   async fn perform(
  25     &self,
  26     context: &Data<LemmyContext>,
  27     _websocket_id: Option<ConnectionId>,
  28   ) -> Result<GetCommentsResponse, LemmyError> {
  29     let data: &GetComments = self;
  30     let local_user_view =
  31       get_local_user_view_from_jwt_opt(data.auth.as_ref(), context.pool(), context.secret())
  32         .await?;
  33     let local_site = LocalSite::read(context.pool()).await?;
  34     check_private_instance(&local_user_view, &local_site)?;
  35
  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 sort = data.sort;
  45     let max_depth = data.max_depth;
  46     let saved_only = data.saved_only;
  47     let page = data.page;
  48     let limit = data.limit;
  49     let parent_id = data.parent_id;
  50
  51     let listing_type = listing_type_with_default(data.type_, &local_site, community_id)?;
  52
  53     // If a parent_id is given, fetch the comment to get the path
  54     let parent_path = if let Some(parent_id) = parent_id {
  55       Some(Comment::read(context.pool(), parent_id).await?.path)
  56     } else {
  57       None
  58     };
  59
  60     let parent_path_cloned = parent_path.clone();
  61     let post_id = data.post_id;
  62     let local_user = local_user_view.map(|l| l.local_user);
  63     let comments = CommentQuery::builder()
  64       .pool(context.pool())
  65       .listing_type(Some(listing_type))
  66       .sort(sort)
  67       .max_depth(max_depth)
  68       .saved_only(saved_only)
  69       .community_id(community_id)
  70       .parent_path(parent_path_cloned)
  71       .post_id(post_id)
  72       .local_user(local_user.as_ref())
  73       .page(page)
  74       .limit(limit)
  75       .build()
  76       .list()
  77       .await
  78       .map_err(|e| LemmyError::from_error_message(e, "couldnt_get_comments"))?;
  79
  80     Ok(GetCommentsResponse { comments })
  81   }
  82 }