lemmy/crates/apub/src/protocol/objects/note.rs
Nutomic 62663a9f2e
Implement separate mod activities for feature, lock post (#2716)
* Implement separate mod activities for feature, lock post

Also includes collection for featured posts. Later we also need
to do the same for Comment.distinguished

* some changes

---------

Co-authored-by: Dessalines <dessalines@users.noreply.github.com>
2023-02-18 09:50:28 -05:00

95 lines
3 KiB
Rust

use crate::{
activities::verify_community_matches,
fetcher::post_or_comment::PostOrComment,
local_instance,
mentions::MentionOrValue,
objects::{comment::ApubComment, community::ApubCommunity, person::ApubPerson, post::ApubPost},
protocol::{objects::LanguageTag, InCommunity, 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::context::LemmyContext;
use lemmy_db_schema::{
source::{community::Community, post::Post},
traits::Crud,
};
use lemmy_utils::error::LemmyError;
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>,
// lemmy extension
pub(crate) distinguished: Option<bool>,
pub(crate) language: Option<LanguageTag>,
pub(crate) audience: Option<ObjectId<ApubCommunity>>,
}
impl Note {
pub(crate) async fn get_parents(
&self,
context: &LemmyContext,
request_counter: &mut i32,
) -> Result<(ApubPost, Option<ApubComment>), 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).await, request_counter)
.await?,
);
match parent.deref() {
PostOrComment::Post(p) => Ok((p.clone(), None)),
PostOrComment::Comment(c) => {
let post_id = c.post_id;
let post = Post::read(context.pool(), post_id).await?;
Ok((post.into(), Some(c.clone())))
}
}
}
}
#[async_trait::async_trait(?Send)]
impl InCommunity for Note {
async fn community(
&self,
context: &LemmyContext,
request_counter: &mut i32,
) -> Result<ApubCommunity, LemmyError> {
let (post, _) = self.get_parents(context, request_counter).await?;
let community = Community::read(context.pool(), post.community_id).await?;
if let Some(audience) = &self.audience {
verify_community_matches(audience, community.actor_id.clone())?;
}
Ok(community.into())
}
}