crates/api_crud/src/post/list.rs

   1 use crate::PerformCrud;
   2 use actix_web::web::Data;
   3 use lemmy_api_common::{
   4   blocking,
   5   check_private_instance,
   6   get_local_user_view_from_jwt_opt,
   7   post::*,
   8 };
   9 use lemmy_apub::{fetcher::resolve_actor_identifier, objects::community::ApubCommunity};
  10 use lemmy_db_schema::{
  11   from_opt_str_to_opt_enum,
  12   source::community::Community,
  13   traits::DeleteableOrRemoveable,
  14   ListingType,
  15   SortType,
  16 };
  17 use lemmy_db_views::post_view::PostQueryBuilder;
  18 use lemmy_utils::{ConnectionId, LemmyError};
  19 use lemmy_websocket::LemmyContext;
  20
  21 #[async_trait::async_trait(?Send)]
  22 impl PerformCrud 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
  36     check_private_instance(&local_user_view, context.pool()).await?;
  37
  38     let person_id = local_user_view.to_owned().map(|l| l.person.id);
  39
  40     let show_nsfw = local_user_view.as_ref().map(|t| t.local_user.show_nsfw);
  41     let show_bot_accounts = local_user_view
  42       .as_ref()
  43       .map(|t| t.local_user.show_bot_accounts);
  44     let show_read_posts = local_user_view
  45       .as_ref()
  46       .map(|t| t.local_user.show_read_posts);
  47
  48     let sort: Option<SortType> = from_opt_str_to_opt_enum(&data.sort);
  49     let listing_type: Option<ListingType> = from_opt_str_to_opt_enum(&data.type_);
  50
  51     let page = data.page;
  52     let limit = data.limit;
  53     let community_id = data.community_id;
  54     let community_actor_id = if let Some(name) = &data.community_name {
  55       resolve_actor_identifier::<ApubCommunity, Community>(name, context)
  56         .await
  57         .ok()
  58         .map(|c| c.actor_id)
  59     } else {
  60       None
  61     };
  62     let saved_only = data.saved_only;
  63
  64     let mut posts = blocking(context.pool(), move |conn| {
  65       PostQueryBuilder::create(conn)
  66         .listing_type(listing_type)
  67         .sort(sort)
  68         .show_nsfw(show_nsfw)
  69         .show_bot_accounts(show_bot_accounts)
  70         .show_read_posts(show_read_posts)
  71         .community_id(community_id)
  72         .community_actor_id(community_actor_id)
  73         .saved_only(saved_only)
  74         .my_person_id(person_id)
  75         .page(page)
  76         .limit(limit)
  77         .list()
  78     })
  79     .await?
  80     .map_err(|e| LemmyError::from_error_message(e, "couldnt_get_posts"))?;
  81
  82     // Blank out deleted or removed info for non-logged in users
  83     if person_id.is_none() {
  84       for pv in posts
  85         .iter_mut()
  86         .filter(|p| p.post.deleted || p.post.removed)
  87       {
  88         pv.post = pv.to_owned().post.blank_out_deleted_or_removed_info();
  89       }
  90
  91       for pv in posts
  92         .iter_mut()
  93         .filter(|p| p.community.deleted || p.community.removed)
  94       {
  95         pv.community = pv.to_owned().community.blank_out_deleted_or_removed_info();
  96       }
  97     }
  98
  99     Ok(GetPostsResponse { posts })
 100   }
 101 }