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::{
   7     check_community_ban,
   8     check_community_deleted_or_removed,
   9     check_post_deleted_or_removed,
  10     get_local_user_view_from_jwt,
  11     is_mod_or_admin,
  12     local_site_to_slur_regex,
  13   },
  14   websocket::{
  15     send::{send_comment_ws_message, send_local_notifs},
  16     UserOperationCrud,
  17   },
  18 };
  19 use lemmy_db_schema::{
  20   source::{
  21     actor_language::CommunityLanguage,
  22     comment::{Comment, CommentUpdateForm},
  23     local_site::LocalSite,
  24   },
  25   traits::Crud,
  26 };
  27 use lemmy_db_views::structs::CommentView;
  28 use lemmy_utils::{
  29   error::LemmyError,
  30   utils::{remove_slurs, scrape_text_for_mentions},
  31   ConnectionId,
  32 };
  33
  34 #[async_trait::async_trait(?Send)]
  35 impl PerformCrud for EditComment {
  36   type Response = CommentResponse;
  37
  38   #[tracing::instrument(skip(context, websocket_id))]
  39   async fn perform(
  40     &self,
  41     context: &Data<LemmyContext>,
  42     websocket_id: Option<ConnectionId>,
  43   ) -> Result<CommentResponse, LemmyError> {
  44     let data: &EditComment = self;
  45     let local_user_view =
  46       get_local_user_view_from_jwt(&data.auth, context.pool(), context.secret()).await?;
  47     let local_site = LocalSite::read(context.pool()).await?;
  48
  49     let comment_id = data.comment_id;
  50     let orig_comment = CommentView::read(context.pool(), comment_id, None).await?;
  51
  52     // TODO is this necessary? It should really only need to check on create
  53     check_community_ban(
  54       local_user_view.person.id,
  55       orig_comment.community.id,
  56       context.pool(),
  57     )
  58     .await?;
  59     check_community_deleted_or_removed(orig_comment.community.id, context.pool()).await?;
  60     check_post_deleted_or_removed(&orig_comment.post)?;
  61
  62     // Verify that only the creator can edit
  63     if local_user_view.person.id != orig_comment.creator.id {
  64       return Err(LemmyError::from_message("no_comment_edit_allowed"));
  65     }
  66
  67     if data.distinguished.is_some() {
  68       // Verify that only a mod or admin can distinguish a comment
  69       is_mod_or_admin(
  70         context.pool(),
  71         local_user_view.person.id,
  72         orig_comment.community.id,
  73       )
  74       .await?;
  75     }
  76
  77     let language_id = self.language_id;
  78     CommunityLanguage::is_allowed_community_language(
  79       context.pool(),
  80       language_id,
  81       orig_comment.community.id,
  82     )
  83     .await?;
  84
  85     // Update the Content
  86     let content_slurs_removed = data
  87       .content
  88       .as_ref()
  89       .map(|c| remove_slurs(c, &local_site_to_slur_regex(&local_site)));
  90     let comment_id = data.comment_id;
  91     let form = CommentUpdateForm::builder()
  92       .content(content_slurs_removed)
  93       .distinguished(data.distinguished)
  94       .language_id(data.language_id)
  95       .build();
  96     let updated_comment = Comment::update(context.pool(), comment_id, &form)
  97       .await
  98       .map_err(|e| LemmyError::from_error_message(e, "couldnt_update_comment"))?;
  99
 100     // Do the mentions / recipients
 101     let updated_comment_content = updated_comment.content.clone();
 102     let mentions = scrape_text_for_mentions(&updated_comment_content);
 103     let recipient_ids = send_local_notifs(
 104       mentions,
 105       &updated_comment,
 106       &local_user_view.person,
 107       &orig_comment.post,
 108       false,
 109       context,
 110     )
 111     .await?;
 112
 113     send_comment_ws_message(
 114       data.comment_id,
 115       UserOperationCrud::EditComment,
 116       websocket_id,
 117       data.form_id.clone(),
 118       None,
 119       recipient_ids,
 120       context,
 121     )
 122     .await
 123   }
 124 }