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