use crate::PerformCrud; use actix_web::web::Data; use lemmy_api_common::{ post::{DeletePost, PostResponse}, utils::{ blocking, check_community_ban, check_community_deleted_or_removed, get_local_user_view_from_jwt, }, }; use lemmy_apub::activities::deletion::{send_apub_delete_in_community, DeletableObjects}; use lemmy_db_schema::{ source::{community::Community, post::Post}, traits::Crud, }; use lemmy_utils::{ConnectionId, LemmyError}; use lemmy_websocket::{send::send_post_ws_message, LemmyContext, UserOperationCrud}; #[async_trait::async_trait(?Send)] impl PerformCrud for DeletePost { type Response = PostResponse; #[tracing::instrument(skip(context, websocket_id))] async fn perform( &self, context: &Data, websocket_id: Option, ) -> Result { let data: &DeletePost = self; let local_user_view = get_local_user_view_from_jwt(&data.auth, context.pool(), context.secret()).await?; let post_id = data.post_id; let orig_post = blocking(context.pool(), move |conn| Post::read(conn, post_id)).await??; // Dont delete it if its already been deleted. if orig_post.deleted == data.deleted { return Err(LemmyError::from_message("couldnt_update_post")); } check_community_ban( local_user_view.person.id, orig_post.community_id, context.pool(), ) .await?; check_community_deleted_or_removed(orig_post.community_id, context.pool()).await?; // Verify that only the creator can delete if !Post::is_post_creator(local_user_view.person.id, orig_post.creator_id) { return Err(LemmyError::from_message("no_post_edit_allowed")); } // Update the post let post_id = data.post_id; let deleted = data.deleted; let updated_post = blocking(context.pool(), move |conn| { Post::update_deleted(conn, post_id, deleted) }) .await??; let res = send_post_ws_message( data.post_id, UserOperationCrud::DeletePost, websocket_id, Some(local_user_view.person.id), context, ) .await?; // apub updates let community = blocking(context.pool(), move |conn| { Community::read(conn, orig_post.community_id) }) .await??; let deletable = DeletableObjects::Post(Box::new(updated_post.into())); send_apub_delete_in_community( local_user_view.person, community, deletable, None, deleted, context, ) .await?; Ok(res) } }