crates/api_crud/src/comment/update.rs

   1 use crate::PerformCrud;
   2 use actix_web::web::Data;
   3 use lemmy_api_common::{
   4   comment::{CommentResponse, EditComment},
   5   context::LemmyContext,
   6   utils::{check_community_ban, get_local_user_view_from_jwt, local_site_to_slur_regex},
   7   websocket::UserOperationCrud,
   8 };
   9 use lemmy_db_schema::{
  10   source::{
  11     actor_language::CommunityLanguage,
  12     comment::{Comment, CommentUpdateForm},
  13     local_site::LocalSite,
  14   },
  15   traits::Crud,
  16   utils::naive_now,
  17 };
  18 use lemmy_db_views::structs::CommentView;
  19 use lemmy_utils::{
  20   error::LemmyError,
  21   utils::{mention::scrape_text_for_mentions, slurs::remove_slurs},
  22   ConnectionId,
  23 };
  24
  25 #[async_trait::async_trait(?Send)]
  26 impl PerformCrud for EditComment {
  27   type Response = CommentResponse;
  28
  29   #[tracing::instrument(skip(context, websocket_id))]
  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     let local_site = LocalSite::read(context.pool()).await?;
  39
  40     let comment_id = data.comment_id;
  41     let orig_comment = CommentView::read(context.pool(), comment_id, None).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(LemmyError::from_message("no_comment_edit_allowed"));
  53     }
  54
  55     let language_id = self.language_id;
  56     CommunityLanguage::is_allowed_community_language(
  57       context.pool(),
  58       language_id,
  59       orig_comment.community.id,
  60     )
  61     .await?;
  62
  63     // Update the Content
  64     let content_slurs_removed = data
  65       .content
  66       .as_ref()
  67       .map(|c| remove_slurs(c, &local_site_to_slur_regex(&local_site)));
  68     let comment_id = data.comment_id;
  69     let form = CommentUpdateForm::builder()
  70       .content(content_slurs_removed)
  71       .language_id(data.language_id)
  72       .updated(Some(Some(naive_now())))
  73       .build();
  74     let updated_comment = Comment::update(context.pool(), comment_id, &form)
  75       .await
  76       .map_err(|e| LemmyError::from_error_message(e, "couldnt_update_comment"))?;
  77
  78     // Do the mentions / recipients
  79     let updated_comment_content = updated_comment.content.clone();
  80     let mentions = scrape_text_for_mentions(&updated_comment_content);
  81     let recipient_ids = context
  82       .send_local_notifs(
  83         mentions,
  84         &updated_comment,
  85         &local_user_view.person,
  86         &orig_comment.post,
  87         false,
  88       )
  89       .await?;
  90
  91     context
  92       .send_comment_ws_message(
  93         &UserOperationCrud::EditComment,
  94         data.comment_id,
  95         websocket_id,
  96         data.form_id.clone(),
  97         None,
  98         recipient_ids,
  99       )
 100       .await
 101   }
 102 }