lemmy/crates/apub/src/protocol/objects/note.rs

77 lines
2.5 KiB
Rust

use crate::{
fetcher::post_or_comment::PostOrComment,
local_instance,
mentions::MentionOrValue,
objects::{comment::ApubComment, person::ApubPerson, post::ApubPost},
protocol::Source,
};
use activitypub_federation::{
core::object_id::ObjectId,
deser::{
helpers::{deserialize_one_or_many, deserialize_skip_error},
values::MediaTypeMarkdownOrHtml,
},
};
use activitystreams_kinds::object::NoteType;
use chrono::{DateTime, FixedOffset};
use lemmy_api_common::utils::blocking;
use lemmy_db_schema::{newtypes::CommentId, source::post::Post, traits::Crud};
use lemmy_utils::error::LemmyError;
use lemmy_websocket::LemmyContext;
use serde::{Deserialize, Serialize};
use serde_with::skip_serializing_none;
use std::ops::Deref;
use url::Url;
#[skip_serializing_none]
#[derive(Clone, Debug, Deserialize, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct Note {
pub(crate) r#type: NoteType,
pub(crate) id: ObjectId<ApubComment>,
pub(crate) attributed_to: ObjectId<ApubPerson>,
#[serde(deserialize_with = "deserialize_one_or_many")]
pub(crate) to: Vec<Url>,
#[serde(deserialize_with = "deserialize_one_or_many", default)]
pub(crate) cc: Vec<Url>,
pub(crate) content: String,
pub(crate) in_reply_to: ObjectId<PostOrComment>,
pub(crate) media_type: Option<MediaTypeMarkdownOrHtml>,
#[serde(deserialize_with = "deserialize_skip_error", default)]
pub(crate) source: Option<Source>,
pub(crate) published: Option<DateTime<FixedOffset>>,
pub(crate) updated: Option<DateTime<FixedOffset>>,
#[serde(default)]
pub(crate) tag: Vec<MentionOrValue>,
}
impl Note {
pub(crate) async fn get_parents(
&self,
context: &LemmyContext,
request_counter: &mut i32,
) -> Result<(ApubPost, Option<CommentId>), LemmyError> {
// Fetch parent comment chain in a box, otherwise it can cause a stack overflow.
let parent = Box::pin(
self
.in_reply_to
.dereference(context, local_instance(context), request_counter)
.await?,
);
match parent.deref() {
PostOrComment::Post(p) => {
// Workaround because I cant figure out how to get the post out of the box (and we dont
// want to stackoverflow in a deep comment hierarchy).
let post_id = p.id;
let post = blocking(context.pool(), move |conn| Post::read(conn, post_id)).await??;
Ok((post.into(), None))
}
PostOrComment::Comment(c) => {
let post_id = c.post_id;
let post = blocking(context.pool(), move |conn| Post::read(conn, post_id)).await??;
Ok((post.into(), Some(c.id)))
}
}
}
}