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