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   utils::{
   6     blocking,
   7     check_community_ban,
   8     check_community_deleted_or_removed,
   9     check_post_deleted_or_removed,
  10     get_local_user_view_from_jwt,
  11     is_mod_or_admin,
  12     local_site_to_slur_regex,
  13   },
  14 };
  15 use lemmy_apub::protocol::activities::{
  16   create_or_update::comment::CreateOrUpdateComment,
  17   CreateOrUpdateType,
  18 };
  19 use lemmy_db_schema::{
  20   source::{
  21     actor_language::CommunityLanguage,
  22     comment::{Comment, CommentUpdateForm},
  23     local_site::LocalSite,
  24   },
  25   traits::Crud,
  26 };
  27 use lemmy_db_views::structs::CommentView;
  28 use lemmy_utils::{
  29   error::LemmyError,
  30   utils::{remove_slurs, scrape_text_for_mentions},
  31   ConnectionId,
  32 };
  33 use lemmy_websocket::{
  34   send::{send_comment_ws_message, send_local_notifs},
  35   LemmyContext,
  36   UserOperationCrud,
  37 };
  38
  39 #[async_trait::async_trait(?Send)]
  40 impl PerformCrud for EditComment {
  41   type Response = CommentResponse;
  42
  43   #[tracing::instrument(skip(context, websocket_id))]
  44   async fn perform(
  45     &self,
  46     context: &Data<LemmyContext>,
  47     websocket_id: Option<ConnectionId>,
  48   ) -> Result<CommentResponse, LemmyError> {
  49     let data: &EditComment = self;
  50     let local_user_view =
  51       get_local_user_view_from_jwt(&data.auth, context.pool(), context.secret()).await?;
  52     let local_site = blocking(context.pool(), LocalSite::read).await??;
  53
  54     let comment_id = data.comment_id;
  55     let orig_comment = blocking(context.pool(), move |conn| {
  56       CommentView::read(conn, comment_id, None)
  57     })
  58     .await??;
  59
  60     // TODO is this necessary? It should really only need to check on create
  61     check_community_ban(
  62       local_user_view.person.id,
  63       orig_comment.community.id,
  64       context.pool(),
  65     )
  66     .await?;
  67     check_community_deleted_or_removed(orig_comment.community.id, context.pool()).await?;
  68     check_post_deleted_or_removed(&orig_comment.post)?;
  69
  70     // Verify that only the creator can edit
  71     if local_user_view.person.id != orig_comment.creator.id {
  72       return Err(LemmyError::from_message("no_comment_edit_allowed"));
  73     }
  74
  75     if data.distinguished.is_some() {
  76       // Verify that only a mod or admin can distinguish a comment
  77       is_mod_or_admin(
  78         context.pool(),
  79         local_user_view.person.id,
  80         orig_comment.community.id,
  81       )
  82       .await?;
  83     }
  84
  85     let language_id = self.language_id;
  86     blocking(context.pool(), move |conn| {
  87       CommunityLanguage::is_allowed_community_language(conn, language_id, orig_comment.community.id)
  88     })
  89     .await??;
  90
  91     // Update the Content
  92     let content_slurs_removed = data
  93       .content
  94       .as_ref()
  95       .map(|c| remove_slurs(c, &local_site_to_slur_regex(&local_site)));
  96     let comment_id = data.comment_id;
  97     let form = CommentUpdateForm::builder()
  98       .content(content_slurs_removed)
  99       .distinguished(data.distinguished)
 100       .language_id(data.language_id)
 101       .build();
 102     let updated_comment = blocking(context.pool(), move |conn| {
 103       Comment::update(conn, comment_id, &form)
 104     })
 105     .await?
 106     .map_err(|e| LemmyError::from_error_message(e, "couldnt_update_comment"))?;
 107
 108     // Do the mentions / recipients
 109     let updated_comment_content = updated_comment.content.to_owned();
 110     let mentions = scrape_text_for_mentions(&updated_comment_content);
 111     let recipient_ids = send_local_notifs(
 112       mentions,
 113       &updated_comment,
 114       &local_user_view.person,
 115       &orig_comment.post,
 116       false,
 117       context,
 118     )
 119     .await?;
 120
 121     // Send the apub update
 122     CreateOrUpdateComment::send(
 123       updated_comment.into(),
 124       &local_user_view.person.into(),
 125       CreateOrUpdateType::Update,
 126       context,
 127       &mut 0,
 128     )
 129     .await?;
 130
 131     send_comment_ws_message(
 132       data.comment_id,
 133       UserOperationCrud::EditComment,
 134       websocket_id,
 135       data.form_id.to_owned(),
 136       None,
 137       recipient_ids,
 138       context,
 139     )
 140     .await
 141   }
 142 }