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use crate::{
activities::{
generate_activity_id,
private_message::delete::DeletePrivateMessage,
verify_activity,
verify_person,
},
activity_queue::send_activity_new,
extensions::context::lemmy_context,
ActorType,
};
use activitystreams::{
activity::kind::UndoType,
base::AnyBase,
primitives::OneOrMany,
unparsed::Unparsed,
};
use lemmy_api_common::blocking;
use lemmy_apub_lib::{verify_domains_match, verify_urls_match, ActivityFields, ActivityHandler};
use lemmy_db_queries::{source::private_message::PrivateMessage_, ApubObject, Crud};
use lemmy_db_schema::source::{person::Person, private_message::PrivateMessage};
use lemmy_utils::LemmyError;
use lemmy_websocket::{send::send_pm_ws_message, LemmyContext, UserOperationCrud};
use serde::{Deserialize, Serialize};
use url::Url;
#[derive(Clone, Debug, Deserialize, Serialize, ActivityFields)]
#[serde(rename_all = "camelCase")]
pub struct UndoDeletePrivateMessage {
actor: Url,
to: Url,
object: DeletePrivateMessage,
#[serde(rename = "type")]
kind: UndoType,
id: Url,
#[serde(rename = "@context")]
context: OneOrMany<AnyBase>,
#[serde(flatten)]
unparsed: Unparsed,
}
impl UndoDeletePrivateMessage {
pub async fn send(
actor: &Person,
pm: &PrivateMessage,
context: &LemmyContext,
) -> Result<(), LemmyError> {
let recipient_id = pm.recipient_id;
let recipient =
blocking(context.pool(), move |conn| Person::read(conn, recipient_id)).await??;
let object = DeletePrivateMessage::new(actor, pm)?;
let id = generate_activity_id(UndoType::Undo)?;
let undo = UndoDeletePrivateMessage {
actor: actor.actor_id(),
to: recipient.actor_id(),
object,
kind: UndoType::Undo,
id: id.clone(),
context: lemmy_context(),
unparsed: Default::default(),
};
let inbox = vec![recipient.get_shared_inbox_or_inbox_url()];
send_activity_new(context, &undo, &id, actor, inbox, true).await
}
}
#[async_trait::async_trait(?Send)]
impl ActivityHandler for UndoDeletePrivateMessage {
async fn verify(
&self,
context: &LemmyContext,
request_counter: &mut i32,
) -> Result<(), LemmyError> {
verify_activity(self)?;
verify_person(&self.actor, context, request_counter).await?;
verify_urls_match(&self.actor, self.object.actor())?;
verify_domains_match(&self.actor, &self.object.object)?;
self.object.verify(context, request_counter).await?;
Ok(())
}
async fn receive(
self,
context: &LemmyContext,
_request_counter: &mut i32,
) -> Result<(), LemmyError> {
let ap_id = self.object.object.clone();
let private_message = blocking(context.pool(), move |conn| {
PrivateMessage::read_from_apub_id(conn, &ap_id.into())
})
.await??;
let deleted_private_message = blocking(context.pool(), move |conn| {
PrivateMessage::update_deleted(conn, private_message.id, false)
})
.await??;
send_pm_ws_message(
deleted_private_message.id,
UserOperationCrud::EditPrivateMessage,
None,
context,
)
.await?;
Ok(())
}
}