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::{check_community_ban, get_local_user_view_from_jwt, is_mod_or_admin},
   6   websocket::{
   7     send::{send_comment_ws_message, send_local_notifs},
   8     UserOperationCrud,
   9   },
  10   LemmyContext,
  11 };
  12 use lemmy_apub::activities::deletion::{send_apub_delete_in_community, DeletableObjects};
  13 use lemmy_db_schema::{
  14   source::{
  15     comment::{Comment, CommentUpdateForm},
  16     community::Community,
  17     moderator::{ModRemoveComment, ModRemoveCommentForm},
  18     post::Post,
  19   },
  20   traits::Crud,
  21 };
  22 use lemmy_db_views::structs::CommentView;
  23 use lemmy_utils::{error::LemmyError, ConnectionId};
  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 = CommentView::read(context.pool(), comment_id, None).await?;
  41
  42     check_community_ban(
  43       local_user_view.person.id,
  44       orig_comment.community.id,
  45       context.pool(),
  46     )
  47     .await?;
  48
  49     // Verify that only a mod or admin can remove
  50     is_mod_or_admin(
  51       context.pool(),
  52       local_user_view.person.id,
  53       orig_comment.community.id,
  54     )
  55     .await?;
  56
  57     // Do the remove
  58     let removed = data.removed;
  59     let updated_comment = Comment::update(
  60       context.pool(),
  61       comment_id,
  62       &CommentUpdateForm::builder().removed(Some(removed)).build(),
  63     )
  64     .await
  65     .map_err(|e| LemmyError::from_error_message(e, "couldnt_update_comment"))?;
  66
  67     // Mod tables
  68     let form = ModRemoveCommentForm {
  69       mod_person_id: local_user_view.person.id,
  70       comment_id: data.comment_id,
  71       removed: Some(removed),
  72       reason: data.reason.clone(),
  73     };
  74     ModRemoveComment::create(context.pool(), &form).await?;
  75
  76     let post_id = updated_comment.post_id;
  77     let post = Post::read(context.pool(), post_id).await?;
  78     let recipient_ids = send_local_notifs(
  79       vec![],
  80       &updated_comment,
  81       &local_user_view.person.clone(),
  82       &post,
  83       false,
  84       context,
  85     )
  86     .await?;
  87
  88     let res = send_comment_ws_message(
  89       data.comment_id,
  90       UserOperationCrud::RemoveComment,
  91       websocket_id,
  92       None, // TODO maybe this might clear other forms
  93       Some(local_user_view.person.id),
  94       recipient_ids,
  95       context,
  96     )
  97     .await?;
  98
  99     // Send the apub message
 100     let community = Community::read(context.pool(), orig_comment.post.community_id).await?;
 101     let deletable = DeletableObjects::Comment(Box::new(updated_comment.clone().into()));
 102     send_apub_delete_in_community(
 103       local_user_view.person,
 104       community,
 105       deletable,
 106       data.reason.clone().or_else(|| Some(String::new())),
 107       removed,
 108       context,
 109     )
 110     .await?;
 111
 112     Ok(res)
 113   }
 114 }