crates/apub/src/fetcher/post_or_comment.rs

   1 use crate::{
   2   objects::{comment::ApubComment, post::ApubPost},
   3   protocol::objects::{note::Note, page::Page},
   4 };
   5 use chrono::NaiveDateTime;
   6 use lemmy_apub_lib::traits::ApubObject;
   7 use lemmy_utils::LemmyError;
   8 use lemmy_websocket::LemmyContext;
   9 use serde::Deserialize;
  10 use url::Url;
  11
  12 #[derive(Clone, Debug)]
  13 pub enum PostOrComment {
  14   Post(Box<ApubPost>),
  15   Comment(Box<ApubComment>),
  16 }
  17
  18 #[derive(Deserialize)]
  19 #[serde(untagged)]
  20 pub enum PageOrNote {
  21   Page(Page),
  22   Note(Note),
  23 }
  24
  25 #[async_trait::async_trait(?Send)]
  26 impl ApubObject for PostOrComment {
  27   type DataType = LemmyContext;
  28   type ApubType = PageOrNote;
  29   type TombstoneType = ();
  30
  31   fn last_refreshed_at(&self) -> Option<NaiveDateTime> {
  32     None
  33   }
  34
  35   // TODO: this can probably be implemented using a single sql query
  36   #[tracing::instrument(skip_all)]
  37   async fn read_from_apub_id(
  38     object_id: Url,
  39     data: &Self::DataType,
  40   ) -> Result<Option<Self>, LemmyError> {
  41     let post = ApubPost::read_from_apub_id(object_id.clone(), data).await?;
  42     Ok(match post {
  43       Some(o) => Some(PostOrComment::Post(Box::new(o))),
  44       None => ApubComment::read_from_apub_id(object_id, data)
  45         .await?
  46         .map(|c| PostOrComment::Comment(Box::new(c))),
  47     })
  48   }
  49
  50   #[tracing::instrument(skip_all)]
  51   async fn delete(self, data: &Self::DataType) -> Result<(), LemmyError> {
  52     match self {
  53       PostOrComment::Post(p) => p.delete(data).await,
  54       PostOrComment::Comment(c) => c.delete(data).await,
  55     }
  56   }
  57
  58   async fn into_apub(self, _data: &Self::DataType) -> Result<Self::ApubType, LemmyError> {
  59     unimplemented!()
  60   }
  61
  62   fn to_tombstone(&self) -> Result<Self::TombstoneType, LemmyError> {
  63     unimplemented!()
  64   }
  65
  66   #[tracing::instrument(skip_all)]
  67   async fn verify(
  68     apub: &Self::ApubType,
  69     expected_domain: &Url,
  70     data: &Self::DataType,
  71     request_counter: &mut i32,
  72   ) -> Result<(), LemmyError> {
  73     match apub {
  74       PageOrNote::Page(a) => ApubPost::verify(a, expected_domain, data, request_counter).await,
  75       PageOrNote::Note(a) => ApubComment::verify(a, expected_domain, data, request_counter).await,
  76     }
  77   }
  78
  79   #[tracing::instrument(skip_all)]
  80   async fn from_apub(
  81     apub: PageOrNote,
  82     context: &LemmyContext,
  83     request_counter: &mut i32,
  84   ) -> Result<Self, LemmyError> {
  85     Ok(match apub {
  86       PageOrNote::Page(p) => PostOrComment::Post(Box::new(
  87         ApubPost::from_apub(p, context, request_counter).await?,
  88       )),
  89       PageOrNote::Note(n) => PostOrComment::Comment(Box::new(
  90         ApubComment::from_apub(n, context, request_counter).await?,
  91       )),
  92     })
  93   }
  94 }
  95
  96 impl PostOrComment {
  97   pub(crate) fn ap_id(&self) -> Url {
  98     match self {
  99       PostOrComment::Post(p) => p.ap_id.clone(),
 100       PostOrComment::Comment(c) => c.ap_id.clone(),
 101     }
 102     .into()
 103   }
 104 }