crates/api_crud/src/comment/update.rs

   1 use actix_web::web::Data;
   2 use lemmy_api_common::{
   3   comment::{CommentResponse, EditComment},
   4   utils::{
   5     blocking,
   6     check_community_ban,
   7     check_community_deleted_or_removed,
   8     check_post_deleted_or_removed,
   9     get_local_user_view_from_jwt,
  10     is_mod_or_admin,
  11   },
  12 };
  13 use lemmy_apub::protocol::activities::{
  14   create_or_update::comment::CreateOrUpdateComment,
  15   CreateOrUpdateType,
  16 };
  17 use lemmy_db_schema::{
  18   source::{
  19     actor_language::CommunityLanguage,
  20     comment::{Comment, CommentForm},
  21   },
  22   traits::Crud,
  23 };
  24 use lemmy_db_views::structs::CommentView;
  25 use lemmy_utils::{
  26   error::LemmyError,
  27   utils::{remove_slurs, scrape_text_for_mentions},
  28   ConnectionId,
  29 };
  30 use lemmy_websocket::{
  31   send::{send_comment_ws_message, send_local_notifs},
  32   LemmyContext,
  33   UserOperationCrud,
  34 };
  35
  36 use crate::PerformCrud;
  37
  38 #[async_trait::async_trait(?Send)]
  39 impl PerformCrud for EditComment {
  40   type Response = CommentResponse;
  41
  42   #[tracing::instrument(skip(context, websocket_id))]
  43   async fn perform(
  44     &self,
  45     context: &Data<LemmyContext>,
  46     websocket_id: Option<ConnectionId>,
  47   ) -> Result<CommentResponse, LemmyError> {
  48     let data: &EditComment = self;
  49     let local_user_view =
  50       get_local_user_view_from_jwt(&data.auth, context.pool(), context.secret()).await?;
  51
  52     let comment_id = data.comment_id;
  53     let orig_comment = blocking(context.pool(), move |conn| {
  54       CommentView::read(conn, comment_id, None)
  55     })
  56     .await??;
  57
  58     // TODO is this necessary? It should really only need to check on create
  59     check_community_ban(
  60       local_user_view.person.id,
  61       orig_comment.community.id,
  62       context.pool(),
  63     )
  64     .await?;
  65     check_community_deleted_or_removed(orig_comment.community.id, context.pool()).await?;
  66     check_post_deleted_or_removed(&orig_comment.post)?;
  67
  68     // Verify that only the creator can edit
  69     if local_user_view.person.id != orig_comment.creator.id {
  70       return Err(LemmyError::from_message("no_comment_edit_allowed"));
  71     }
  72
  73     if data.distinguished.is_some() {
  74       // Verify that only a mod or admin can distinguish a comment
  75       is_mod_or_admin(
  76         context.pool(),
  77         local_user_view.person.id,
  78         orig_comment.community.id,
  79       )
  80       .await?;
  81     }
  82
  83     let language_id = self.language_id;
  84     blocking(context.pool(), move |conn| {
  85       CommunityLanguage::is_allowed_community_language(conn, language_id, orig_comment.community.id)
  86     })
  87     .await??;
  88
  89     // Update the Content
  90     let content_slurs_removed = data
  91       .content
  92       .as_ref()
  93       .map(|c| remove_slurs(c, &context.settings().slur_regex()));
  94     let comment_id = data.comment_id;
  95     let form = CommentForm {
  96       creator_id: orig_comment.comment.creator_id,
  97       post_id: orig_comment.comment.post_id,
  98       content: content_slurs_removed.unwrap_or(orig_comment.comment.content),
  99       distinguished: data.distinguished,
 100       language_id: data.language_id,
 101       ..Default::default()
 102     };
 103     let updated_comment = blocking(context.pool(), move |conn| {
 104       Comment::update(conn, comment_id, &form)
 105     })
 106     .await?
 107     .map_err(|e| LemmyError::from_error_message(e, "couldnt_update_comment"))?;
 108
 109     // Do the mentions / recipients
 110     let updated_comment_content = updated_comment.content.to_owned();
 111     let mentions = scrape_text_for_mentions(&updated_comment_content);
 112     let recipient_ids = send_local_notifs(
 113       mentions,
 114       &updated_comment,
 115       &local_user_view.person,
 116       &orig_comment.post,
 117       false,
 118       context,
 119     )
 120     .await?;
 121
 122     // Send the apub update
 123     CreateOrUpdateComment::send(
 124       updated_comment.into(),
 125       &local_user_view.person.into(),
 126       CreateOrUpdateType::Update,
 127       context,
 128       &mut 0,
 129     )
 130     .await?;
 131
 132     send_comment_ws_message(
 133       data.comment_id,
 134       UserOperationCrud::EditComment,
 135       websocket_id,
 136       data.form_id.to_owned(),
 137       None,
 138       recipient_ids,
 139       context,
 140     )
 141     .await
 142   }
 143 }