lemmy/crates/api_crud/src/private_message/delete.rs
Nutomic 28d6370c35
Rewrite delete activities (#1699)
* Limit type/method visibility in apub code

* Simplify db_queries traits by removing generics

* Simplify delete activity implementation

* Rewrite delete activities

* Implement helper functions for websocket message sending

* When receiving delete reason as empty string, change to none
2021-08-17 14:04:58 -04:00

64 lines
2.2 KiB
Rust

use crate::PerformCrud;
use actix_web::web::Data;
use lemmy_api_common::{
blocking,
get_local_user_view_from_jwt,
person::{DeletePrivateMessage, PrivateMessageResponse},
};
use lemmy_apub::activities::private_message::{
delete::DeletePrivateMessage as DeletePrivateMessageApub,
undo_delete::UndoDeletePrivateMessage,
};
use lemmy_db_queries::{source::private_message::PrivateMessage_, Crud, DeleteableOrRemoveable};
use lemmy_db_schema::source::private_message::PrivateMessage;
use lemmy_utils::{ApiError, ConnectionId, LemmyError};
use lemmy_websocket::{send::send_pm_ws_message, LemmyContext, UserOperationCrud};
#[async_trait::async_trait(?Send)]
impl PerformCrud for DeletePrivateMessage {
type Response = PrivateMessageResponse;
async fn perform(
&self,
context: &Data<LemmyContext>,
websocket_id: Option<ConnectionId>,
) -> Result<PrivateMessageResponse, LemmyError> {
let data: &DeletePrivateMessage = self;
let local_user_view = get_local_user_view_from_jwt(&data.auth, context.pool()).await?;
// Checking permissions
let private_message_id = data.private_message_id;
let orig_private_message = blocking(context.pool(), move |conn| {
PrivateMessage::read(conn, private_message_id)
})
.await??;
if local_user_view.person.id != orig_private_message.creator_id {
return Err(ApiError::err("no_private_message_edit_allowed").into());
}
// Doing the update
let private_message_id = data.private_message_id;
let deleted = data.deleted;
let updated_private_message = blocking(context.pool(), move |conn| {
PrivateMessage::update_deleted(conn, private_message_id, deleted)
})
.await?
.map_err(|_| ApiError::err("couldnt_update_private_message"))?;
// Send the apub update
if data.deleted {
DeletePrivateMessageApub::send(
&local_user_view.person,
&updated_private_message.blank_out_deleted_or_removed_info(),
context,
)
.await?;
} else {
UndoDeletePrivateMessage::send(&local_user_view.person, &updated_private_message, context)
.await?;
}
let op = UserOperationCrud::DeletePrivateMessage;
send_pm_ws_message(data.private_message_id, op, websocket_id, context).await
}
}