crates/api_crud/src/comment/update.rs

   1 use actix_web::web::Data;
   2 use lemmy_api_common::{
   3   comment::{CommentResponse, EditComment},
   4   utils::{
   5     blocking,
   6     check_community_ban,
   7     check_community_deleted_or_removed,
   8     check_post_deleted_or_removed,
   9     get_local_user_view_from_jwt,
  10   },
  11 };
  12 use lemmy_apub::protocol::activities::{
  13   create_or_update::comment::CreateOrUpdateComment,
  14   CreateOrUpdateType,
  15 };
  16 use lemmy_db_schema::source::comment::Comment;
  17 use lemmy_db_views::structs::CommentView;
  18 use lemmy_utils::{
  19   error::LemmyError,
  20   utils::{remove_slurs, scrape_text_for_mentions},
  21   ConnectionId,
  22 };
  23 use lemmy_websocket::{
  24   send::{send_comment_ws_message, send_local_notifs},
  25   LemmyContext,
  26   UserOperationCrud,
  27 };
  28
  29 use crate::PerformCrud;
  30
  31 #[async_trait::async_trait(?Send)]
  32 impl PerformCrud for EditComment {
  33   type Response = CommentResponse;
  34
  35   #[tracing::instrument(skip(context, websocket_id))]
  36   async fn perform(
  37     &self,
  38     context: &Data<LemmyContext>,
  39     websocket_id: Option<ConnectionId>,
  40   ) -> Result<CommentResponse, LemmyError> {
  41     let data: &EditComment = self;
  42     let local_user_view =
  43       get_local_user_view_from_jwt(&data.auth, context.pool(), context.secret()).await?;
  44
  45     let comment_id = data.comment_id;
  46     let orig_comment = blocking(context.pool(), move |conn| {
  47       CommentView::read(conn, comment_id, None)
  48     })
  49     .await??;
  50
  51     // TODO is this necessary? It should really only need to check on create
  52     check_community_ban(
  53       local_user_view.person.id,
  54       orig_comment.community.id,
  55       context.pool(),
  56     )
  57     .await?;
  58     check_community_deleted_or_removed(orig_comment.community.id, context.pool()).await?;
  59     check_post_deleted_or_removed(&orig_comment.post)?;
  60
  61     // Verify that only the creator can edit
  62     if local_user_view.person.id != orig_comment.creator.id {
  63       return Err(LemmyError::from_message("no_comment_edit_allowed"));
  64     }
  65
  66     // Do the update
  67     let content_slurs_removed =
  68       remove_slurs(&data.content.to_owned(), &context.settings().slur_regex());
  69     let comment_id = data.comment_id;
  70     let updated_comment = blocking(context.pool(), move |conn| {
  71       Comment::update_content(conn, comment_id, &content_slurs_removed)
  72     })
  73     .await?
  74     .map_err(|e| LemmyError::from_error_message(e, "couldnt_update_comment"))?;
  75
  76     // Do the mentions / recipients
  77     let updated_comment_content = updated_comment.content.to_owned();
  78     let mentions = scrape_text_for_mentions(&updated_comment_content);
  79     let recipient_ids = send_local_notifs(
  80       mentions,
  81       &updated_comment,
  82       &local_user_view.person,
  83       &orig_comment.post,
  84       false,
  85       context,
  86     )
  87     .await?;
  88
  89     // Send the apub update
  90     CreateOrUpdateComment::send(
  91       updated_comment.into(),
  92       &local_user_view.person.into(),
  93       CreateOrUpdateType::Update,
  94       context,
  95       &mut 0,
  96     )
  97     .await?;
  98
  99     send_comment_ws_message(
 100       data.comment_id,
 101       UserOperationCrud::EditComment,
 102       websocket_id,
 103       data.form_id.to_owned(),
 104       None,
 105       recipient_ids,
 106       context,
 107     )
 108     .await
 109   }
 110 }