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