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