crates/api_crud/src/comment/update.rs

   1 use crate::PerformCrud;
   2 use actix_web::web::Data;
   3 use lemmy_api_common::{
   4   build_response::{build_comment_response, send_local_notifs},
   5   comment::{CommentResponse, EditComment},
   6   context::LemmyContext,
   7   utils::{
   8     check_community_ban,
   9     local_site_to_slur_regex,
  10     local_user_view_from_jwt,
  11     sanitize_html_opt,
  12   },
  13 };
  14 use lemmy_db_schema::{
  15   source::{
  16     actor_language::CommunityLanguage,
  17     comment::{Comment, CommentUpdateForm},
  18     local_site::LocalSite,
  19   },
  20   traits::Crud,
  21   utils::naive_now,
  22 };
  23 use lemmy_db_views::structs::CommentView;
  24 use lemmy_utils::{
  25   error::{LemmyError, LemmyErrorExt, LemmyErrorType},
  26   utils::{
  27     mention::scrape_text_for_mentions,
  28     slurs::remove_slurs,
  29     validation::is_valid_body_field,
  30   },
  31 };
  32
  33 #[async_trait::async_trait(?Send)]
  34 impl PerformCrud for EditComment {
  35   type Response = CommentResponse;
  36
  37   #[tracing::instrument(skip(context))]
  38   async fn perform(&self, context: &Data<LemmyContext>) -> Result<CommentResponse, LemmyError> {
  39     let data: &EditComment = self;
  40     let local_user_view = local_user_view_from_jwt(&data.auth, context).await?;
  41     let local_site = LocalSite::read(&mut context.pool()).await?;
  42
  43     let comment_id = data.comment_id;
  44     let orig_comment = CommentView::read(&mut context.pool(), comment_id, None).await?;
  45
  46     check_community_ban(
  47       local_user_view.person.id,
  48       orig_comment.community.id,
  49       &mut context.pool(),
  50     )
  51     .await?;
  52
  53     // Verify that only the creator can edit
  54     if local_user_view.person.id != orig_comment.creator.id {
  55       return Err(LemmyErrorType::NoCommentEditAllowed)?;
  56     }
  57
  58     let language_id = self.language_id;
  59     CommunityLanguage::is_allowed_community_language(
  60       &mut context.pool(),
  61       language_id,
  62       orig_comment.community.id,
  63     )
  64     .await?;
  65
  66     // Update the Content
  67     let content = data
  68       .content
  69       .as_ref()
  70       .map(|c| remove_slurs(c, &local_site_to_slur_regex(&local_site)));
  71     is_valid_body_field(&content, false)?;
  72     let content = sanitize_html_opt(&content);
  73
  74     let comment_id = data.comment_id;
  75     let form = CommentUpdateForm::builder()
  76       .content(content)
  77       .language_id(data.language_id)
  78       .updated(Some(Some(naive_now())))
  79       .build();
  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     build_comment_response(
  98       context,
  99       updated_comment.id,
 100       Some(local_user_view),
 101       self.form_id.clone(),
 102       recipient_ids,
 103     )
 104     .await
 105   }
 106 }