crates/api_crud/src/comment/list.rs

   1 use crate::PerformCrud;
   2 use actix_web::web::Data;
   3 use lemmy_api_common::{
   4   comment::{GetComments, GetCommentsResponse},
   5   utils::{
   6     check_private_instance,
   7     get_local_user_view_from_jwt_opt,
   8     listing_type_with_site_default,
   9   },
  10 };
  11 use lemmy_apub::{fetcher::resolve_actor_identifier, objects::community::ApubCommunity};
  12 use lemmy_db_schema::{
  13   source::{comment::Comment, community::Community, local_site::LocalSite},
  14   traits::{Crud, DeleteableOrRemoveable},
  15 };
  16 use lemmy_db_views::comment_view::CommentQuery;
  17 use lemmy_utils::{error::LemmyError, ConnectionId};
  18 use lemmy_websocket::LemmyContext;
  19
  20 #[async_trait::async_trait(?Send)]
  21 impl PerformCrud for GetComments {
  22   type Response = GetCommentsResponse;
  23
  24   #[tracing::instrument(skip(context, _websocket_id))]
  25   async fn perform(
  26     &self,
  27     context: &Data<LemmyContext>,
  28     _websocket_id: Option<ConnectionId>,
  29   ) -> Result<GetCommentsResponse, LemmyError> {
  30     let data: &GetComments = self;
  31     let local_user_view =
  32       get_local_user_view_from_jwt_opt(data.auth.as_ref(), context.pool(), context.secret())
  33         .await?;
  34     let local_site = LocalSite::read(context.pool()).await?;
  35     check_private_instance(&local_user_view, &local_site)?;
  36
  37     let community_id = data.community_id;
  38     let listing_type = listing_type_with_site_default(data.type_, &local_site)?;
  39
  40     let community_actor_id = if let Some(name) = &data.community_name {
  41       resolve_actor_identifier::<ApubCommunity, Community>(name, context, true)
  42         .await
  43         .ok()
  44         .map(|c| c.actor_id)
  45     } else {
  46       None
  47     };
  48     let sort = data.sort;
  49     let max_depth = data.max_depth;
  50     let saved_only = data.saved_only;
  51     let page = data.page;
  52     let limit = data.limit;
  53     let parent_id = data.parent_id;
  54
  55     // If a parent_id is given, fetch the comment to get the path
  56     let parent_path = if let Some(parent_id) = parent_id {
  57       Some(Comment::read(context.pool(), parent_id).await?.path)
  58     } else {
  59       None
  60     };
  61
  62     let parent_path_cloned = parent_path.clone();
  63     let post_id = data.post_id;
  64     let local_user = local_user_view.map(|l| l.local_user);
  65     let mut comments = CommentQuery::builder()
  66       .pool(context.pool())
  67       .listing_type(Some(listing_type))
  68       .sort(sort)
  69       .max_depth(max_depth)
  70       .saved_only(saved_only)
  71       .community_id(community_id)
  72       .community_actor_id(community_actor_id)
  73       .parent_path(parent_path_cloned)
  74       .post_id(post_id)
  75       .local_user(local_user.as_ref())
  76       .page(page)
  77       .limit(limit)
  78       .build()
  79       .list()
  80       .await
  81       .map_err(|e| LemmyError::from_error_message(e, "couldnt_get_comments"))?;
  82
  83     // Blank out deleted or removed info
  84     for cv in comments
  85       .iter_mut()
  86       .filter(|cv| cv.comment.deleted || cv.comment.removed)
  87     {
  88       cv.comment = cv.clone().comment.blank_out_deleted_or_removed_info();
  89     }
  90
  91     Ok(GetCommentsResponse { comments })
  92   }
  93 }