crates/api_crud/src/comment/update.rs

   1 use crate::PerformCrud;
   2 use actix_web::web::Data;
   3 use lemmy_api_common::{
   4   blocking,
   5   check_community_ban,
   6   comment::*,
   7   get_local_user_view_from_jwt,
   8   send_local_notifs,
   9 };
  10 use lemmy_apub::activities::comment::update::UpdateComment;
  11 use lemmy_db_queries::{source::comment::Comment_, DeleteableOrRemoveable};
  12 use lemmy_db_schema::source::comment::*;
  13 use lemmy_db_views::comment_view::CommentView;
  14 use lemmy_utils::{
  15   utils::{remove_slurs, scrape_text_for_mentions},
  16   ApiError,
  17   ConnectionId,
  18   LemmyError,
  19 };
  20 use lemmy_websocket::{messages::SendComment, LemmyContext, UserOperationCrud};
  21
  22 #[async_trait::async_trait(?Send)]
  23 impl PerformCrud for EditComment {
  24   type Response = CommentResponse;
  25
  26   async fn perform(
  27     &self,
  28     context: &Data<LemmyContext>,
  29     websocket_id: Option<ConnectionId>,
  30   ) -> Result<CommentResponse, LemmyError> {
  31     let data: &EditComment = self;
  32     let local_user_view = get_local_user_view_from_jwt(&data.auth, context.pool()).await?;
  33
  34     let comment_id = data.comment_id;
  35     let orig_comment = blocking(context.pool(), move |conn| {
  36       CommentView::read(conn, comment_id, None)
  37     })
  38     .await??;
  39
  40     check_community_ban(
  41       local_user_view.person.id,
  42       orig_comment.community.id,
  43       context.pool(),
  44     )
  45     .await?;
  46
  47     // Verify that only the creator can edit
  48     if local_user_view.person.id != orig_comment.creator.id {
  49       return Err(ApiError::err("no_comment_edit_allowed").into());
  50     }
  51
  52     // Do the update
  53     let content_slurs_removed = remove_slurs(&data.content.to_owned());
  54     let comment_id = data.comment_id;
  55     let updated_comment = blocking(context.pool(), move |conn| {
  56       Comment::update_content(conn, comment_id, &content_slurs_removed)
  57     })
  58     .await?
  59     .map_err(|_| ApiError::err("couldnt_update_comment"))?;
  60
  61     // Send the apub update
  62     UpdateComment::send(&updated_comment, &local_user_view.person, context).await?;
  63
  64     // Do the mentions / recipients
  65     let updated_comment_content = updated_comment.content.to_owned();
  66     let mentions = scrape_text_for_mentions(&updated_comment_content);
  67     let recipient_ids = send_local_notifs(
  68       mentions,
  69       updated_comment,
  70       local_user_view.person.clone(),
  71       orig_comment.post,
  72       context.pool(),
  73       false,
  74     )
  75     .await?;
  76
  77     let comment_id = data.comment_id;
  78     let person_id = local_user_view.person.id;
  79     let mut comment_view = blocking(context.pool(), move |conn| {
  80       CommentView::read(conn, comment_id, Some(person_id))
  81     })
  82     .await??;
  83
  84     // Blank out deleted or removed info
  85     if comment_view.comment.deleted || comment_view.comment.removed {
  86       comment_view.comment = comment_view.comment.blank_out_deleted_or_removed_info();
  87     }
  88
  89     let res = CommentResponse {
  90       comment_view,
  91       recipient_ids,
  92       form_id: data.form_id.to_owned(),
  93     };
  94
  95     context.chat_server().do_send(SendComment {
  96       op: UserOperationCrud::EditComment,
  97       comment: res.clone(),
  98       websocket_id,
  99     });
 100
 101     Ok(res)
 102   }
 103 }