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     blocking,
   7     check_private_instance,
   8     get_local_user_view_from_jwt_opt,
   9     listing_type_with_site_default,
  10   },
  11 };
  12 use lemmy_apub::{fetcher::resolve_actor_identifier, objects::community::ApubCommunity};
  13 use lemmy_db_schema::{source::community::Community, traits::DeleteableOrRemoveable};
  14 use lemmy_db_views::comment_view::CommentQueryBuilder;
  15 use lemmy_utils::{error::LemmyError, ConnectionId};
  16 use lemmy_websocket::LemmyContext;
  17
  18 #[async_trait::async_trait(?Send)]
  19 impl PerformCrud for GetComments {
  20   type Response = GetCommentsResponse;
  21
  22   #[tracing::instrument(skip(context, _websocket_id))]
  23   async fn perform(
  24     &self,
  25     context: &Data<LemmyContext>,
  26     _websocket_id: Option<ConnectionId>,
  27   ) -> Result<GetCommentsResponse, LemmyError> {
  28     let data: &GetComments = self;
  29     let local_user_view =
  30       get_local_user_view_from_jwt_opt(data.auth.as_ref(), context.pool(), context.secret())
  31         .await?;
  32
  33     check_private_instance(&local_user_view, context.pool()).await?;
  34
  35     let show_bot_accounts = local_user_view
  36       .as_ref()
  37       .map(|t| t.local_user.show_bot_accounts);
  38     let person_id = local_user_view.map(|u| u.person.id);
  39
  40     let community_id = data.community_id;
  41     let listing_type = listing_type_with_site_default(data.type_, context.pool()).await?;
  42
  43     let community_actor_id = if let Some(name) = &data.community_name {
  44       resolve_actor_identifier::<ApubCommunity, Community>(name, context)
  45         .await
  46         .ok()
  47         .map(|c| c.actor_id)
  48     } else {
  49       None
  50     };
  51     let sort = data.sort;
  52     let saved_only = data.saved_only;
  53     let page = data.page;
  54     let limit = data.limit;
  55     let mut comments = blocking(context.pool(), move |conn| {
  56       CommentQueryBuilder::create(conn)
  57         .listing_type(listing_type)
  58         .sort(sort)
  59         .saved_only(saved_only)
  60         .community_id(community_id)
  61         .community_actor_id(community_actor_id)
  62         .my_person_id(person_id)
  63         .show_bot_accounts(show_bot_accounts)
  64         .page(page)
  65         .limit(limit)
  66         .list()
  67     })
  68     .await?
  69     .map_err(|e| LemmyError::from_error_message(e, "couldnt_get_comments"))?;
  70
  71     // Blank out deleted or removed info
  72     for cv in comments
  73       .iter_mut()
  74       .filter(|cv| cv.comment.deleted || cv.comment.removed)
  75     {
  76       cv.comment = cv.to_owned().comment.blank_out_deleted_or_removed_info();
  77     }
  78
  79     Ok(GetCommentsResponse { comments })
  80   }
  81 }