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   utils::{
   6     check_community_ban,
   7     check_community_deleted_or_removed,
   8     check_post_deleted_or_removed,
   9     get_local_user_view_from_jwt,
  10     is_mod_or_admin,
  11     local_site_to_slur_regex,
  12   },
  13 };
  14 use lemmy_apub::protocol::activities::{
  15   create_or_update::note::CreateOrUpdateNote,
  16   CreateOrUpdateType,
  17 };
  18 use lemmy_db_schema::{
  19   source::{
  20     actor_language::CommunityLanguage,
  21     comment::{Comment, CommentUpdateForm},
  22     local_site::LocalSite,
  23   },
  24   traits::Crud,
  25 };
  26 use lemmy_db_views::structs::CommentView;
  27 use lemmy_utils::{
  28   error::LemmyError,
  29   utils::{remove_slurs, scrape_text_for_mentions},
  30   ConnectionId,
  31 };
  32 use lemmy_websocket::{
  33   send::{send_comment_ws_message, send_local_notifs},
  34   LemmyContext,
  35   UserOperationCrud,
  36 };
  37
  38 #[async_trait::async_trait(?Send)]
  39 impl PerformCrud for EditComment {
  40   type Response = CommentResponse;
  41
  42   #[tracing::instrument(skip(context, websocket_id))]
  43   async fn perform(
  44     &self,
  45     context: &Data<LemmyContext>,
  46     websocket_id: Option<ConnectionId>,
  47   ) -> Result<CommentResponse, LemmyError> {
  48     let data: &EditComment = self;
  49     let local_user_view =
  50       get_local_user_view_from_jwt(&data.auth, context.pool(), context.secret()).await?;
  51     let local_site = LocalSite::read(context.pool()).await?;
  52
  53     let comment_id = data.comment_id;
  54     let orig_comment = CommentView::read(context.pool(), comment_id, None).await?;
  55
  56     // TODO is this necessary? It should really only need to check on create
  57     check_community_ban(
  58       local_user_view.person.id,
  59       orig_comment.community.id,
  60       context.pool(),
  61     )
  62     .await?;
  63     check_community_deleted_or_removed(orig_comment.community.id, context.pool()).await?;
  64     check_post_deleted_or_removed(&orig_comment.post)?;
  65
  66     // Verify that only the creator can edit
  67     if local_user_view.person.id != orig_comment.creator.id {
  68       return Err(LemmyError::from_message("no_comment_edit_allowed"));
  69     }
  70
  71     if data.distinguished.is_some() {
  72       // Verify that only a mod or admin can distinguish a comment
  73       is_mod_or_admin(
  74         context.pool(),
  75         local_user_view.person.id,
  76         orig_comment.community.id,
  77       )
  78       .await?;
  79     }
  80
  81     let language_id = self.language_id;
  82     CommunityLanguage::is_allowed_community_language(
  83       context.pool(),
  84       language_id,
  85       orig_comment.community.id,
  86     )
  87     .await?;
  88
  89     // Update the Content
  90     let content_slurs_removed = data
  91       .content
  92       .as_ref()
  93       .map(|c| remove_slurs(c, &local_site_to_slur_regex(&local_site)));
  94     let comment_id = data.comment_id;
  95     let form = CommentUpdateForm::builder()
  96       .content(content_slurs_removed)
  97       .distinguished(data.distinguished)
  98       .language_id(data.language_id)
  99       .build();
 100     let updated_comment = Comment::update(context.pool(), comment_id, &form)
 101       .await
 102       .map_err(|e| LemmyError::from_error_message(e, "couldnt_update_comment"))?;
 103
 104     // Do the mentions / recipients
 105     let updated_comment_content = updated_comment.content.clone();
 106     let mentions = scrape_text_for_mentions(&updated_comment_content);
 107     let recipient_ids = send_local_notifs(
 108       mentions,
 109       &updated_comment,
 110       &local_user_view.person,
 111       &orig_comment.post,
 112       false,
 113       context,
 114     )
 115     .await?;
 116
 117     // Send the apub update
 118     CreateOrUpdateNote::send(
 119       updated_comment.into(),
 120       &local_user_view.person.into(),
 121       CreateOrUpdateType::Update,
 122       context,
 123       &mut 0,
 124     )
 125     .await?;
 126
 127     send_comment_ws_message(
 128       data.comment_id,
 129       UserOperationCrud::EditComment,
 130       websocket_id,
 131       data.form_id.clone(),
 132       None,
 133       recipient_ids,
 134       context,
 135     )
 136     .await
 137   }
 138 }