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::create_or_update::{
  11   CreateOrUpdateComment,
  12   CreateOrUpdateType,
  13 };
  14 use lemmy_db_queries::{source::comment::Comment_, DeleteableOrRemoveable};
  15 use lemmy_db_schema::source::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::{messages::SendComment, LemmyContext, UserOperationCrud};
  24
  25 #[async_trait::async_trait(?Send)]
  26 impl PerformCrud for EditComment {
  27   type Response = CommentResponse;
  28
  29   async fn perform(
  30     &self,
  31     context: &Data<LemmyContext>,
  32     websocket_id: Option<ConnectionId>,
  33   ) -> Result<CommentResponse, LemmyError> {
  34     let data: &EditComment = self;
  35     let local_user_view = get_local_user_view_from_jwt(&data.auth, context.pool()).await?;
  36
  37     let comment_id = data.comment_id;
  38     let orig_comment = blocking(context.pool(), move |conn| {
  39       CommentView::read(conn, comment_id, None)
  40     })
  41     .await??;
  42
  43     check_community_ban(
  44       local_user_view.person.id,
  45       orig_comment.community.id,
  46       context.pool(),
  47     )
  48     .await?;
  49
  50     // Verify that only the creator can edit
  51     if local_user_view.person.id != orig_comment.creator.id {
  52       return Err(ApiError::err("no_comment_edit_allowed").into());
  53     }
  54
  55     // Do the update
  56     let content_slurs_removed = remove_slurs(&data.content.to_owned());
  57     let comment_id = data.comment_id;
  58     let updated_comment = blocking(context.pool(), move |conn| {
  59       Comment::update_content(conn, comment_id, &content_slurs_removed)
  60     })
  61     .await?
  62     .map_err(|_| ApiError::err("couldnt_update_comment"))?;
  63
  64     CreateOrUpdateComment::send(
  65       &updated_comment,
  66       &local_user_view.person,
  67       CreateOrUpdateType::Update,
  68       context,
  69     )
  70     .await?;
  71
  72     // Do the mentions / recipients
  73     let updated_comment_content = updated_comment.content.to_owned();
  74     let mentions = scrape_text_for_mentions(&updated_comment_content);
  75     let recipient_ids = send_local_notifs(
  76       mentions,
  77       updated_comment,
  78       local_user_view.person.clone(),
  79       orig_comment.post,
  80       context.pool(),
  81       false,
  82     )
  83     .await?;
  84
  85     let comment_id = data.comment_id;
  86     let person_id = local_user_view.person.id;
  87     let mut comment_view = blocking(context.pool(), move |conn| {
  88       CommentView::read(conn, comment_id, Some(person_id))
  89     })
  90     .await??;
  91
  92     // Blank out deleted or removed info
  93     if comment_view.comment.deleted || comment_view.comment.removed {
  94       comment_view.comment = comment_view.comment.blank_out_deleted_or_removed_info();
  95     }
  96
  97     let res = CommentResponse {
  98       comment_view,
  99       recipient_ids,
 100       form_id: data.form_id.to_owned(),
 101     };
 102
 103     context.chat_server().do_send(SendComment {
 104       op: UserOperationCrud::EditComment,
 105       comment: res.clone(),
 106       websocket_id,
 107     });
 108
 109     Ok(res)
 110   }
 111 }