lemmy/crates/api_crud/src/private_message/delete.rs

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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::ApubObjectType;
use lemmy_db_queries::{source::private_message::PrivateMessage_, Crud, DeleteableOrRemoveable};
use lemmy_db_schema::source::private_message::PrivateMessage;
use lemmy_db_views::{local_user_view::LocalUserView, private_message_view::PrivateMessageView};
use lemmy_utils::{ApiError, ConnectionId, LemmyError};
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use lemmy_websocket::{messages::SendUserRoomMessage, 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> {
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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 {
updated_private_message
.blank_out_deleted_or_removed_info()
.send_delete(&local_user_view.person, context)
.await?;
} else {
updated_private_message
.send_undo_delete(&local_user_view.person, context)
.await?;
}
let private_message_id = data.private_message_id;
let mut private_message_view = blocking(context.pool(), move |conn| {
PrivateMessageView::read(conn, private_message_id)
})
.await??;
// Blank out deleted or removed info
if deleted {
private_message_view.private_message = private_message_view
.private_message
.blank_out_deleted_or_removed_info();
}
let res = PrivateMessageResponse {
private_message_view,
};
// Send notifications to the local recipient, if one exists
let recipient_id = orig_private_message.recipient_id;
if let Ok(local_recipient) = blocking(context.pool(), move |conn| {
LocalUserView::read_person(conn, recipient_id)
})
.await?
{
let local_recipient_id = local_recipient.local_user.id;
context.chat_server().do_send(SendUserRoomMessage {
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op: UserOperationCrud::DeletePrivateMessage,
response: res.clone(),
local_recipient_id,
websocket_id,
});
}
Ok(res)
}
}