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