crates/api_crud/src/comment/update.rs

   1 use activitypub_federation::config::Data;
   2 use actix_web::web::Json;
   3 use lemmy_api_common::{
   4   build_response::{build_comment_response, send_local_notifs},
   5   comment::{CommentResponse, EditComment},
   6   context::LemmyContext,
   7   send_activity::{ActivityChannel, SendActivityData},
   8   utils::{
   9     check_community_ban,
  10     local_site_to_slur_regex,
  11     local_user_view_from_jwt,
  12     sanitize_html_opt,
  13   },
  14 };
  15 use lemmy_db_schema::{
  16   source::{
  17     actor_language::CommunityLanguage,
  18     comment::{Comment, CommentUpdateForm},
  19     local_site::LocalSite,
  20   },
  21   traits::Crud,
  22   utils::naive_now,
  23 };
  24 use lemmy_db_views::structs::CommentView;
  25 use lemmy_utils::{
  26   error::{LemmyError, LemmyErrorExt, LemmyErrorType},
  27   utils::{
  28     mention::scrape_text_for_mentions,
  29     slurs::remove_slurs,
  30     validation::is_valid_body_field,
  31   },
  32 };
  33
  34 #[tracing::instrument(skip(context))]
  35 pub async fn update_comment(
  36   data: Json<EditComment>,
  37   context: Data<LemmyContext>,
  38 ) -> Result<Json<CommentResponse>, LemmyError> {
  39   let local_user_view = local_user_view_from_jwt(&data.auth, &context).await?;
  40   let local_site = LocalSite::read(&mut context.pool()).await?;
  41
  42   let comment_id = data.comment_id;
  43   let orig_comment = CommentView::read(&mut context.pool(), comment_id, None).await?;
  44
  45   check_community_ban(
  46     local_user_view.person.id,
  47     orig_comment.community.id,
  48     &mut context.pool(),
  49   )
  50   .await?;
  51
  52   // Verify that only the creator can edit
  53   if local_user_view.person.id != orig_comment.creator.id {
  54     return Err(LemmyErrorType::NoCommentEditAllowed)?;
  55   }
  56
  57   let language_id = data.language_id;
  58   CommunityLanguage::is_allowed_community_language(
  59     &mut context.pool(),
  60     language_id,
  61     orig_comment.community.id,
  62   )
  63   .await?;
  64
  65   // Update the Content
  66   let content = data
  67     .content
  68     .as_ref()
  69     .map(|c| remove_slurs(c, &local_site_to_slur_regex(&local_site)));
  70   is_valid_body_field(&content, false)?;
  71   let content = sanitize_html_opt(&content);
  72
  73   let comment_id = data.comment_id;
  74   let form = CommentUpdateForm {
  75     content,
  76     language_id: data.language_id,
  77     updated: Some(Some(naive_now())),
  78     ..Default::default()
  79   };
  80   let updated_comment = Comment::update(&mut context.pool(), comment_id, &form)
  81     .await
  82     .with_lemmy_type(LemmyErrorType::CouldntUpdateComment)?;
  83
  84   // Do the mentions / recipients
  85   let updated_comment_content = updated_comment.content.clone();
  86   let mentions = scrape_text_for_mentions(&updated_comment_content);
  87   let recipient_ids = send_local_notifs(
  88     mentions,
  89     &updated_comment,
  90     &local_user_view.person,
  91     &orig_comment.post,
  92     false,
  93     &context,
  94   )
  95   .await?;
  96
  97   ActivityChannel::submit_activity(
  98     SendActivityData::UpdateComment(updated_comment.clone()),
  99     &context,
 100   )
 101   .await?;
 102
 103   Ok(Json(
 104     build_comment_response(
 105       &context,
 106       updated_comment.id,
 107       Some(local_user_view),
 108       recipient_ids,
 109     )
 110     .await?,
 111   ))
 112 }