1 use crate::PerformCrud;
2 use actix_web::web::Data;
3 use lemmy_api_common::{
4 post::{GetPost, GetPostResponse},
5 utils::{blocking, check_private_instance, get_local_user_view_from_jwt_opt, mark_post_as_read},
8 source::comment::Comment,
9 traits::{Crud, DeleteableOrRemoveable},
11 use lemmy_db_views::structs::PostView;
12 use lemmy_db_views_actor::structs::{CommunityModeratorView, CommunityView};
13 use lemmy_utils::{error::LemmyError, ConnectionId};
14 use lemmy_websocket::{messages::GetPostUsersOnline, LemmyContext};
16 #[async_trait::async_trait(?Send)]
17 impl PerformCrud for GetPost {
18 type Response = GetPostResponse;
20 #[tracing::instrument(skip(context, _websocket_id))]
23 context: &Data<LemmyContext>,
24 _websocket_id: Option<ConnectionId>,
25 ) -> Result<GetPostResponse, LemmyError> {
26 let data: &GetPost = self;
28 get_local_user_view_from_jwt_opt(data.auth.as_ref(), context.pool(), context.secret())
31 check_private_instance(&local_user_view, context.pool()).await?;
33 let person_id = local_user_view.map(|u| u.person.id);
35 // I'd prefer fetching the post_view by a comment join, but it adds a lot of boilerplate
36 let post_id = if let Some(id) = data.id {
38 } else if let Some(comment_id) = data.comment_id {
39 blocking(context.pool(), move |conn| Comment::read(conn, comment_id))
41 .map_err(|e| LemmyError::from_error_message(e, "couldnt_find_post"))?
44 Err(LemmyError::from_message("couldnt_find_post"))?
47 let mut post_view = blocking(context.pool(), move |conn| {
48 PostView::read(conn, post_id, person_id)
51 .map_err(|e| LemmyError::from_error_message(e, "couldnt_find_post"))?;
53 // Mark the post as read
54 let post_id = post_view.post.id;
55 if let Some(person_id) = person_id {
56 mark_post_as_read(person_id, post_id, context.pool()).await?;
59 // Necessary for the sidebar subscribed
60 let community_id = post_view.community.id;
61 let mut community_view = blocking(context.pool(), move |conn| {
62 CommunityView::read(conn, community_id, person_id)
65 .map_err(|e| LemmyError::from_error_message(e, "couldnt_find_community"))?;
67 // Blank out deleted or removed info for non-logged in users
68 if person_id.is_none() {
69 if post_view.post.deleted || post_view.post.removed {
70 post_view.post = post_view.post.blank_out_deleted_or_removed_info();
73 if community_view.community.deleted || community_view.community.removed {
74 community_view.community = community_view.community.blank_out_deleted_or_removed_info();
78 let moderators = blocking(context.pool(), move |conn| {
79 CommunityModeratorView::for_community(conn, community_id)
85 .send(GetPostUsersOnline { post_id })