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::{check_community_ban, get_local_user_view_from_jwt, local_site_to_slur_regex},
   7   websocket::{
   8     send::{send_comment_ws_message, send_local_notifs},
   9     UserOperationCrud,
  10   },
  11 };
  12 use lemmy_db_schema::{
  13   source::{
  14     actor_language::CommunityLanguage,
  15     comment::{Comment, CommentUpdateForm},
  16     local_site::LocalSite,
  17   },
  18   traits::Crud,
  19   utils::naive_now,
  20 };
  21 use lemmy_db_views::structs::CommentView;
  22 use lemmy_utils::{
  23   error::LemmyError,
  24   utils::{mention::scrape_text_for_mentions, slurs::remove_slurs},
  25   ConnectionId,
  26 };
  27
  28 #[async_trait::async_trait(?Send)]
  29 impl PerformCrud for EditComment {
  30   type Response = CommentResponse;
  31
  32   #[tracing::instrument(skip(context, websocket_id))]
  33   async fn perform(
  34     &self,
  35     context: &Data<LemmyContext>,
  36     websocket_id: Option<ConnectionId>,
  37   ) -> Result<CommentResponse, LemmyError> {
  38     let data: &EditComment = self;
  39     let local_user_view =
  40       get_local_user_view_from_jwt(&data.auth, context.pool(), context.secret()).await?;
  41     let local_site = LocalSite::read(context.pool()).await?;
  42
  43     let comment_id = data.comment_id;
  44     let orig_comment = CommentView::read(context.pool(), comment_id, None).await?;
  45
  46     check_community_ban(
  47       local_user_view.person.id,
  48       orig_comment.community.id,
  49       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(LemmyError::from_message("no_comment_edit_allowed"));
  56     }
  57
  58     let language_id = self.language_id;
  59     CommunityLanguage::is_allowed_community_language(
  60       context.pool(),
  61       language_id,
  62       orig_comment.community.id,
  63     )
  64     .await?;
  65
  66     // Update the Content
  67     let content_slurs_removed = data
  68       .content
  69       .as_ref()
  70       .map(|c| remove_slurs(c, &local_site_to_slur_regex(&local_site)));
  71     let comment_id = data.comment_id;
  72     let form = CommentUpdateForm::builder()
  73       .content(content_slurs_removed)
  74       .language_id(data.language_id)
  75       .updated(Some(Some(naive_now())))
  76       .build();
  77     let updated_comment = Comment::update(context.pool(), comment_id, &form)
  78       .await
  79       .map_err(|e| LemmyError::from_error_message(e, "couldnt_update_comment"))?;
  80
  81     // Do the mentions / recipients
  82     let updated_comment_content = updated_comment.content.clone();
  83     let mentions = scrape_text_for_mentions(&updated_comment_content);
  84     let recipient_ids = send_local_notifs(
  85       mentions,
  86       &updated_comment,
  87       &local_user_view.person,
  88       &orig_comment.post,
  89       false,
  90       context,
  91     )
  92     .await?;
  93
  94     send_comment_ws_message(
  95       data.comment_id,
  96       UserOperationCrud::EditComment,
  97       websocket_id,
  98       data.form_id.clone(),
  99       None,
 100       recipient_ids,
 101       context,
 102     )
 103     .await
 104   }
 105 }