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 use std::ops::Deref;
  33
  34 #[async_trait::async_trait(?Send)]
  35 impl PerformCrud for EditComment {
  36   type Response = CommentResponse;
  37
  38   #[tracing::instrument(skip(context))]
  39   async fn perform(&self, context: &Data<LemmyContext>) -> Result<CommentResponse, LemmyError> {
  40     let data: &EditComment = self;
  41     let local_user_view = local_user_view_from_jwt(&data.auth, context).await?;
  42     let local_site = LocalSite::read(&mut context.pool()).await?;
  43
  44     let comment_id = data.comment_id;
  45     let orig_comment = CommentView::read(&mut context.pool(), comment_id, None).await?;
  46
  47     check_community_ban(
  48       local_user_view.person.id,
  49       orig_comment.community.id,
  50       &mut context.pool(),
  51     )
  52     .await?;
  53
  54     // Verify that only the creator can edit
  55     if local_user_view.person.id != orig_comment.creator.id {
  56       return Err(LemmyErrorType::NoCommentEditAllowed)?;
  57     }
  58
  59     let language_id = self.language_id;
  60     CommunityLanguage::is_allowed_community_language(
  61       &mut context.pool(),
  62       language_id,
  63       orig_comment.community.id,
  64     )
  65     .await?;
  66
  67     // Update the Content
  68     let content = data
  69       .content
  70       .as_ref()
  71       .map(|c| remove_slurs(c, &local_site_to_slur_regex(&local_site)));
  72     is_valid_body_field(&content, false)?;
  73     let content = sanitize_html_opt(&content);
  74
  75     let comment_id = data.comment_id;
  76     let form = CommentUpdateForm::builder()
  77       .content(content)
  78       .language_id(data.language_id)
  79       .updated(Some(Some(naive_now())))
  80       .build();
  81     let updated_comment = Comment::update(&mut context.pool(), comment_id, &form)
  82       .await
  83       .with_lemmy_type(LemmyErrorType::CouldntUpdateComment)?;
  84
  85     // Do the mentions / recipients
  86     let updated_comment_content = updated_comment.content.clone();
  87     let mentions = scrape_text_for_mentions(&updated_comment_content);
  88     let recipient_ids = send_local_notifs(
  89       mentions,
  90       &updated_comment,
  91       &local_user_view.person,
  92       &orig_comment.post,
  93       false,
  94       context,
  95     )
  96     .await?;
  97
  98     build_comment_response(
  99       context.deref(),
 100       updated_comment.id,
 101       Some(local_user_view),
 102       self.form_id.clone(),
 103       recipient_ids,
 104     )
 105     .await
 106   }
 107 }