crates/apub/src/api/list_posts.rs

   1 use crate::{
   2   api::listing_type_with_default,
   3   fetcher::resolve_actor_identifier,
   4   objects::community::ApubCommunity,
   5 };
   6 use activitypub_federation::config::Data;
   7 use actix_web::web::{Json, Query};
   8 use lemmy_api_common::{
   9   context::LemmyContext,
  10   post::{GetPosts, GetPostsResponse},
  11   utils::{check_private_instance, is_mod_or_admin_opt, local_user_view_from_jwt_opt},
  12 };
  13 use lemmy_db_schema::source::{community::Community, local_site::LocalSite};
  14 use lemmy_db_views::post_view::PostQuery;
  15 use lemmy_utils::error::LemmyError;
  16
  17 #[tracing::instrument(skip(context))]
  18 pub async fn list_posts(
  19   data: Query<GetPosts>,
  20   context: Data<LemmyContext>,
  21 ) -> Result<Json<GetPostsResponse>, LemmyError> {
  22   let local_user_view = local_user_view_from_jwt_opt(data.auth.as_ref(), &context).await;
  23   let local_site = LocalSite::read(context.pool()).await?;
  24
  25   check_private_instance(&local_user_view, &local_site)?;
  26
  27   let sort = data.sort;
  28
  29   let page = data.page;
  30   let limit = data.limit;
  31   let community_id = if let Some(name) = &data.community_name {
  32     resolve_actor_identifier::<ApubCommunity, Community>(name, &context, &None, true)
  33       .await
  34       .ok()
  35       .map(|c| c.id)
  36   } else {
  37     data.community_id
  38   };
  39   let saved_only = data.saved_only;
  40
  41   let listing_type = listing_type_with_default(data.type_, &local_site, community_id)?;
  42
  43   let is_mod_or_admin = is_mod_or_admin_opt(context.pool(), local_user_view.as_ref(), community_id)
  44     .await
  45     .is_ok();
  46
  47   let posts = PostQuery::builder()
  48     .pool(context.pool())
  49     .local_user(local_user_view.map(|l| l.local_user).as_ref())
  50     .listing_type(Some(listing_type))
  51     .sort(sort)
  52     .community_id(community_id)
  53     .saved_only(saved_only)
  54     .page(page)
  55     .limit(limit)
  56     .is_mod_or_admin(Some(is_mod_or_admin))
  57     .build()
  58     .list()
  59     .await
  60     .map_err(|e| LemmyError::from_error_message(e, "couldnt_get_posts"))?;
  61
  62   Ok(Json(GetPostsResponse { posts }))
  63 }