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::ApubObjectType;
   9 use lemmy_db_queries::{source::private_message::PrivateMessage_, Crud, DeleteableOrRemoveable};
  10 use lemmy_db_schema::source::private_message::PrivateMessage;
  11 use lemmy_db_views::{local_user_view::LocalUserView, private_message_view::PrivateMessageView};
  12 use lemmy_utils::{ApiError, ConnectionId, LemmyError};
  13 use lemmy_websocket::{messages::SendUserRoomMessage, LemmyContext, UserOperationCrud};
  14
  15 #[async_trait::async_trait(?Send)]
  16 impl PerformCrud for DeletePrivateMessage {
  17   type Response = PrivateMessageResponse;
  18
  19   async fn perform(
  20     &self,
  21     context: &Data<LemmyContext>,
  22     websocket_id: Option<ConnectionId>,
  23   ) -> Result<PrivateMessageResponse, LemmyError> {
  24     let data: &DeletePrivateMessage = self;
  25     let local_user_view = get_local_user_view_from_jwt(&data.auth, context.pool()).await?;
  26
  27     // Checking permissions
  28     let private_message_id = data.private_message_id;
  29     let orig_private_message = blocking(context.pool(), move |conn| {
  30       PrivateMessage::read(conn, private_message_id)
  31     })
  32     .await??;
  33     if local_user_view.person.id != orig_private_message.creator_id {
  34       return Err(ApiError::err("no_private_message_edit_allowed").into());
  35     }
  36
  37     // Doing the update
  38     let private_message_id = data.private_message_id;
  39     let deleted = data.deleted;
  40     let updated_private_message = blocking(context.pool(), move |conn| {
  41       PrivateMessage::update_deleted(conn, private_message_id, deleted)
  42     })
  43     .await?
  44     .map_err(|_| ApiError::err("couldnt_update_private_message"))?;
  45
  46     // Send the apub update
  47     if data.deleted {
  48       updated_private_message
  49         .blank_out_deleted_or_removed_info()
  50         .send_delete(&local_user_view.person, context)
  51         .await?;
  52     } else {
  53       updated_private_message
  54         .send_undo_delete(&local_user_view.person, context)
  55         .await?;
  56     }
  57
  58     let private_message_id = data.private_message_id;
  59     let mut private_message_view = blocking(context.pool(), move |conn| {
  60       PrivateMessageView::read(conn, private_message_id)
  61     })
  62     .await??;
  63
  64     // Blank out deleted or removed info
  65     if deleted {
  66       private_message_view.private_message = private_message_view
  67         .private_message
  68         .blank_out_deleted_or_removed_info();
  69     }
  70
  71     let res = PrivateMessageResponse {
  72       private_message_view,
  73     };
  74
  75     // Send notifications to the local recipient, if one exists
  76     let recipient_id = orig_private_message.recipient_id;
  77     if let Ok(local_recipient) = blocking(context.pool(), move |conn| {
  78       LocalUserView::read_person(conn, recipient_id)
  79     })
  80     .await?
  81     {
  82       let local_recipient_id = local_recipient.local_user.id;
  83       context.chat_server().do_send(SendUserRoomMessage {
  84         op: UserOperationCrud::DeletePrivateMessage,
  85         response: res.clone(),
  86         local_recipient_id,
  87         websocket_id,
  88       });
  89     }
  90
  91     Ok(res)
  92   }
  93 }