crates/api_crud/src/private_message/delete.rs

   1 use crate::PerformCrud;
   2 use actix_web::web::Data;
   3 use lemmy_api_common::{
   4   blocking,
   5   get_local_user_view_from_jwt,
   6   person::{DeletePrivateMessage, PrivateMessageResponse},
   7 };
   8 use lemmy_apub::protocol::activities::private_message::{
   9   delete::DeletePrivateMessage as DeletePrivateMessageApub,
  10   undo_delete::UndoDeletePrivateMessage,
  11 };
  12 use lemmy_db_schema::{
  13   source::private_message::PrivateMessage,
  14   traits::{Crud, DeleteableOrRemoveable},
  15 };
  16 use lemmy_utils::{ConnectionId, LemmyError};
  17 use lemmy_websocket::{send::send_pm_ws_message, LemmyContext, UserOperationCrud};
  18
  19 #[async_trait::async_trait(?Send)]
  20 impl PerformCrud for DeletePrivateMessage {
  21   type Response = PrivateMessageResponse;
  22
  23   #[tracing::instrument(skip(self, context, websocket_id))]
  24   async fn perform(
  25     &self,
  26     context: &Data<LemmyContext>,
  27     websocket_id: Option<ConnectionId>,
  28   ) -> Result<PrivateMessageResponse, LemmyError> {
  29     let data: &DeletePrivateMessage = self;
  30     let local_user_view =
  31       get_local_user_view_from_jwt(&data.auth, context.pool(), context.secret()).await?;
  32
  33     // Checking permissions
  34     let private_message_id = data.private_message_id;
  35     let orig_private_message = blocking(context.pool(), move |conn| {
  36       PrivateMessage::read(conn, private_message_id)
  37     })
  38     .await??;
  39     if local_user_view.person.id != orig_private_message.creator_id {
  40       return Err(LemmyError::from_message("no_private_message_edit_allowed"));
  41     }
  42
  43     // Doing the update
  44     let private_message_id = data.private_message_id;
  45     let deleted = data.deleted;
  46     let updated_private_message = blocking(context.pool(), move |conn| {
  47       PrivateMessage::update_deleted(conn, private_message_id, deleted)
  48     })
  49     .await?
  50     .map_err(LemmyError::from)
  51     .map_err(|e| e.with_message("couldnt_update_private_message"))?;
  52
  53     // Send the apub update
  54     if data.deleted {
  55       DeletePrivateMessageApub::send(
  56         &local_user_view.person.into(),
  57         &updated_private_message
  58           .blank_out_deleted_or_removed_info()
  59           .into(),
  60         context,
  61       )
  62       .await?;
  63     } else {
  64       UndoDeletePrivateMessage::send(
  65         &local_user_view.person.into(),
  66         &updated_private_message.into(),
  67         context,
  68       )
  69       .await?;
  70     }
  71
  72     let op = UserOperationCrud::DeletePrivateMessage;
  73     send_pm_ws_message(data.private_message_id, op, websocket_id, context).await
  74   }
  75 }