crates/apub/src/api/list_posts.rs

   1 use crate::{
   2   api::PerformApub,
   3   fetcher::resolve_actor_identifier,
   4   objects::community::ApubCommunity,
   5 };
   6 use activitypub_federation::config::Data;
   7 use lemmy_api_common::{
   8   context::LemmyContext,
   9   post::{GetPosts, GetPostsResponse},
  10   utils::{
  11     check_private_instance,
  12     get_local_user_view_from_jwt_opt,
  13     is_mod_or_admin_opt,
  14     listing_type_with_site_default,
  15   },
  16 };
  17 use lemmy_db_schema::source::{community::Community, local_site::LocalSite};
  18 use lemmy_db_views::post_view::PostQuery;
  19 use lemmy_utils::{error::LemmyError, ConnectionId};
  20
  21 #[async_trait::async_trait]
  22 impl PerformApub for GetPosts {
  23   type Response = GetPostsResponse;
  24
  25   #[tracing::instrument(skip(context, _websocket_id))]
  26   async fn perform(
  27     &self,
  28     context: &Data<LemmyContext>,
  29     _websocket_id: Option<ConnectionId>,
  30   ) -> Result<GetPostsResponse, LemmyError> {
  31     let data: &GetPosts = self;
  32     let local_user_view =
  33       get_local_user_view_from_jwt_opt(data.auth.as_ref(), context.pool(), context.secret())
  34         .await?;
  35     let local_site = LocalSite::read(context.pool()).await?;
  36
  37     check_private_instance(&local_user_view, &local_site)?;
  38
  39     let sort = data.sort;
  40     let listing_type = listing_type_with_site_default(data.type_, &local_site)?;
  41
  42     let page = data.page;
  43     let limit = data.limit;
  44     let community_id = data.community_id;
  45     let community_actor_id = if let Some(name) = &data.community_name {
  46       resolve_actor_identifier::<ApubCommunity, Community>(name, context, &None, true)
  47         .await
  48         .ok()
  49         .map(|c| c.actor_id.clone())
  50     } else {
  51       None
  52     };
  53     let saved_only = data.saved_only;
  54
  55     let is_mod_or_admin =
  56       is_mod_or_admin_opt(context.pool(), local_user_view.as_ref(), community_id)
  57         .await
  58         .is_ok();
  59
  60     let posts = PostQuery::builder()
  61       .pool(context.pool())
  62       .local_user(local_user_view.map(|l| l.local_user).as_ref())
  63       .listing_type(Some(listing_type))
  64       .sort(sort)
  65       .community_id(community_id)
  66       .community_actor_id(community_actor_id)
  67       .saved_only(saved_only)
  68       .page(page)
  69       .limit(limit)
  70       .is_mod_or_admin(Some(is_mod_or_admin))
  71       .build()
  72       .list()
  73       .await
  74       .map_err(|e| LemmyError::from_error_message(e, "couldnt_get_posts"))?;
  75
  76     Ok(GetPostsResponse { posts })
  77   }
  78 }