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_schema::{
  13   source::private_message::PrivateMessage,
  14   traits::{Crud, DeleteableOrRemoveable},
  15 };
  16 use lemmy_utils::{ApiError, 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   async fn perform(
  24     &self,
  25     context: &Data<LemmyContext>,
  26     websocket_id: Option<ConnectionId>,
  27   ) -> Result<PrivateMessageResponse, LemmyError> {
  28     let data: &DeletePrivateMessage = self;
  29     let local_user_view =
  30       get_local_user_view_from_jwt(&data.auth, context.pool(), context.secret()).await?;
  31
  32     // Checking permissions
  33     let private_message_id = data.private_message_id;
  34     let orig_private_message = blocking(context.pool(), move |conn| {
  35       PrivateMessage::read(conn, private_message_id)
  36     })
  37     .await??;
  38     if local_user_view.person.id != orig_private_message.creator_id {
  39       return Err(ApiError::err_plain("no_private_message_edit_allowed").into());
  40     }
  41
  42     // Doing the update
  43     let private_message_id = data.private_message_id;
  44     let deleted = data.deleted;
  45     let updated_private_message = blocking(context.pool(), move |conn| {
  46       PrivateMessage::update_deleted(conn, private_message_id, deleted)
  47     })
  48     .await?
  49     .map_err(|e| ApiError::err("couldnt_update_private_message", e))?;
  50
  51     // Send the apub update
  52     if data.deleted {
  53       DeletePrivateMessageApub::send(
  54         &local_user_view.person,
  55         &updated_private_message.blank_out_deleted_or_removed_info(),
  56         context,
  57       )
  58       .await?;
  59     } else {
  60       UndoDeletePrivateMessage::send(&local_user_view.person, &updated_private_message, context)
  61         .await?;
  62     }
  63
  64     let op = UserOperationCrud::DeletePrivateMessage;
  65     send_pm_ws_message(data.private_message_id, op, websocket_id, context).await
  66   }
  67 }