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use crate::{
activities::{generate_activity_id, verify_activity, verify_person},
activity_queue::send_activity_new,
extensions::context::lemmy_context,
ActorType,
};
use activitystreams::{
activity::kind::DeleteType,
base::AnyBase,
primitives::OneOrMany,
unparsed::Unparsed,
};
use lemmy_api_common::blocking;
use lemmy_apub_lib::{verify_domains_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 DeletePrivateMessage {
actor: Url,
to: Url,
pub(in crate::activities::private_message) object: Url,
#[serde(rename = "type")]
kind: DeleteType,
id: Url,
#[serde(rename = "@context")]
context: OneOrMany<AnyBase>,
#[serde(flatten)]
unparsed: Unparsed,
}
impl DeletePrivateMessage {
pub(in crate::activities::private_message) fn new(
actor: &Person,
pm: &PrivateMessage,
) -> Result<DeletePrivateMessage, LemmyError> {
Ok(DeletePrivateMessage {
actor: actor.actor_id(),
to: actor.actor_id(),
object: pm.ap_id.clone().into(),
kind: DeleteType::Delete,
id: generate_activity_id(DeleteType::Delete)?,
context: lemmy_context(),
unparsed: Default::default(),
})
}
pub async fn send(
actor: &Person,
pm: &PrivateMessage,
context: &LemmyContext,
) -> Result<(), LemmyError> {
let delete = DeletePrivateMessage::new(actor, pm)?;
let delete_id = delete.id.clone();
let recipient_id = pm.recipient_id;
let recipient =
blocking(context.pool(), move |conn| Person::read(conn, recipient_id)).await??;
let inbox = vec![recipient.get_shared_inbox_or_inbox_url()];
send_activity_new(context, &delete, &delete_id, actor, inbox, true).await
}
}
#[async_trait::async_trait(?Send)]
impl ActivityHandler for DeletePrivateMessage {
async fn verify(
&self,
context: &LemmyContext,
request_counter: &mut i32,
) -> Result<(), LemmyError> {
verify_activity(self)?;
verify_person(&self.actor, context, request_counter).await?;
verify_domains_match(&self.actor, &self.object)?;
Ok(())
}
async fn receive(
self,
context: &LemmyContext,
_request_counter: &mut i32,
) -> Result<(), LemmyError> {
let ap_id = self.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, true)
})
.await??;
send_pm_ws_message(
deleted_private_message.id,
UserOperationCrud::DeletePrivateMessage,
None,
context,
)
.await?;
Ok(())
}
}