crates/api_crud/src/comment/remove.rs

   1 use crate::PerformCrud;
   2 use actix_web::web::Data;
   3 use lemmy_api_common::{
   4   comment::{CommentResponse, RemoveComment},
   5   utils::{blocking, check_community_ban, get_local_user_view_from_jwt, is_mod_or_admin},
   6 };
   7 use lemmy_apub::activities::deletion::{send_apub_delete_in_community, DeletableObjects};
   8 use lemmy_db_schema::{
   9   source::{
  10     comment::{Comment, CommentUpdateForm},
  11     community::Community,
  12     moderator::{ModRemoveComment, ModRemoveCommentForm},
  13     post::Post,
  14   },
  15   traits::Crud,
  16 };
  17 use lemmy_db_views::structs::CommentView;
  18 use lemmy_utils::{error::LemmyError, ConnectionId};
  19 use lemmy_websocket::{
  20   send::{send_comment_ws_message, send_local_notifs},
  21   LemmyContext,
  22   UserOperationCrud,
  23 };
  24
  25 #[async_trait::async_trait(?Send)]
  26 impl PerformCrud for RemoveComment {
  27   type Response = CommentResponse;
  28
  29   #[tracing::instrument(skip(context, websocket_id))]
  30   async fn perform(
  31     &self,
  32     context: &Data<LemmyContext>,
  33     websocket_id: Option<ConnectionId>,
  34   ) -> Result<CommentResponse, LemmyError> {
  35     let data: &RemoveComment = self;
  36     let local_user_view =
  37       get_local_user_view_from_jwt(&data.auth, context.pool(), context.secret()).await?;
  38
  39     let comment_id = data.comment_id;
  40     let orig_comment = blocking(context.pool(), move |conn| {
  41       CommentView::read(conn, comment_id, None)
  42     })
  43     .await??;
  44
  45     check_community_ban(
  46       local_user_view.person.id,
  47       orig_comment.community.id,
  48       context.pool(),
  49     )
  50     .await?;
  51
  52     // Verify that only a mod or admin can remove
  53     is_mod_or_admin(
  54       context.pool(),
  55       local_user_view.person.id,
  56       orig_comment.community.id,
  57     )
  58     .await?;
  59
  60     // Do the remove
  61     let removed = data.removed;
  62     let updated_comment = blocking(context.pool(), move |conn| {
  63       Comment::update(
  64         conn,
  65         comment_id,
  66         &CommentUpdateForm::builder().removed(Some(removed)).build(),
  67       )
  68     })
  69     .await?
  70     .map_err(|e| LemmyError::from_error_message(e, "couldnt_update_comment"))?;
  71
  72     // Mod tables
  73     let form = ModRemoveCommentForm {
  74       mod_person_id: local_user_view.person.id,
  75       comment_id: data.comment_id,
  76       removed: Some(removed),
  77       reason: data.reason.to_owned(),
  78     };
  79     blocking(context.pool(), move |conn| {
  80       ModRemoveComment::create(conn, &form)
  81     })
  82     .await??;
  83
  84     let post_id = updated_comment.post_id;
  85     let post = blocking(context.pool(), move |conn| Post::read(conn, post_id)).await??;
  86     let recipient_ids = send_local_notifs(
  87       vec![],
  88       &updated_comment,
  89       &local_user_view.person.clone(),
  90       &post,
  91       false,
  92       context,
  93     )
  94     .await?;
  95
  96     let res = send_comment_ws_message(
  97       data.comment_id,
  98       UserOperationCrud::RemoveComment,
  99       websocket_id,
 100       None, // TODO maybe this might clear other forms
 101       Some(local_user_view.person.id),
 102       recipient_ids,
 103       context,
 104     )
 105     .await?;
 106
 107     // Send the apub message
 108     let community = blocking(context.pool(), move |conn| {
 109       Community::read(conn, orig_comment.post.community_id)
 110     })
 111     .await??;
 112     let deletable = DeletableObjects::Comment(Box::new(updated_comment.clone().into()));
 113     send_apub_delete_in_community(
 114       local_user_view.person,
 115       community,
 116       deletable,
 117       data.reason.clone().or_else(|| Some("".to_string())),
 118       removed,
 119       context,
 120     )
 121     .await?;
 122
 123     Ok(res)
 124   }
 125 }