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::{
  14   source::{comment::Comment, community::Community},
  15   traits::{Crud, DeleteableOrRemoveable},
  16 };
  17 use lemmy_db_views::comment_view::CommentQueryBuilder;
  18 use lemmy_utils::{error::LemmyError, ConnectionId};
  19 use lemmy_websocket::LemmyContext;
  20
  21 #[async_trait::async_trait(?Send)]
  22 impl PerformCrud for GetComments {
  23   type Response = GetCommentsResponse;
  24
  25   #[tracing::instrument(skip(context, _websocket_id))]
  26   async fn perform(
  27     &self,
  28     context: &Data<LemmyContext>,
  29     _websocket_id: Option<ConnectionId>,
  30   ) -> Result<GetCommentsResponse, LemmyError> {
  31     let data: &GetComments = self;
  32     let local_user_view =
  33       get_local_user_view_from_jwt_opt(data.auth.as_ref(), context.pool(), context.secret())
  34         .await?;
  35
  36     check_private_instance(&local_user_view, context.pool()).await?;
  37
  38     let show_bot_accounts = local_user_view
  39       .as_ref()
  40       .map(|t| t.local_user.show_bot_accounts);
  41     let person_id = local_user_view.map(|u| u.person.id);
  42
  43     let community_id = data.community_id;
  44     let listing_type = listing_type_with_site_default(data.type_, context.pool()).await?;
  45
  46     let community_actor_id = if let Some(name) = &data.community_name {
  47       resolve_actor_identifier::<ApubCommunity, Community>(name, context)
  48         .await
  49         .ok()
  50         .map(|c| c.actor_id)
  51     } else {
  52       None
  53     };
  54     let sort = data.sort;
  55     let max_depth = data.max_depth;
  56     let saved_only = data.saved_only;
  57     let page = data.page;
  58     let limit = data.limit;
  59     let parent_id = data.parent_id;
  60
  61     // If a parent_id is given, fetch the comment to get the path
  62     let parent_path = if let Some(parent_id) = parent_id {
  63       Some(
  64         blocking(context.pool(), move |conn| Comment::read(conn, parent_id))
  65           .await??
  66           .path,
  67       )
  68     } else {
  69       None
  70     };
  71
  72     let post_id = data.post_id;
  73     let mut comments = blocking(context.pool(), move |conn| {
  74       CommentQueryBuilder::create(conn)
  75         .listing_type(listing_type)
  76         .sort(sort)
  77         .max_depth(max_depth)
  78         .saved_only(saved_only)
  79         .community_id(community_id)
  80         .community_actor_id(community_actor_id)
  81         .parent_path(parent_path)
  82         .post_id(post_id)
  83         .my_person_id(person_id)
  84         .show_bot_accounts(show_bot_accounts)
  85         .page(page)
  86         .limit(limit)
  87         .list()
  88     })
  89     .await?
  90     .map_err(|e| LemmyError::from_error_message(e, "couldnt_get_comments"))?;
  91
  92     // Blank out deleted or removed info
  93     for cv in comments
  94       .iter_mut()
  95       .filter(|cv| cv.comment.deleted || cv.comment.removed)
  96     {
  97       cv.comment = cv.to_owned().comment.blank_out_deleted_or_removed_info();
  98     }
  99
 100     Ok(GetCommentsResponse { comments })
 101   }
 102 }