crates/api_crud/src/post/remove.rs

   1 use crate::PerformCrud;
   2 use actix_web::web::Data;
   3 use lemmy_api_common::{
   4   post::{PostResponse, RemovePost},
   5   utils::{blocking, check_community_ban, get_local_user_view_from_jwt, is_mod_or_admin},
   6 };
   7 use lemmy_apub::activities::deletion::{send_apub_delete_in_community, DeletableObjects};
   8 use lemmy_db_schema::{
   9   source::{
  10     community::Community,
  11     moderator::{ModRemovePost, ModRemovePostForm},
  12     post::{Post, PostUpdateForm},
  13   },
  14   traits::Crud,
  15 };
  16 use lemmy_utils::{error::LemmyError, ConnectionId};
  17 use lemmy_websocket::{send::send_post_ws_message, LemmyContext, UserOperationCrud};
  18
  19 #[async_trait::async_trait(?Send)]
  20 impl PerformCrud for RemovePost {
  21   type Response = PostResponse;
  22
  23   #[tracing::instrument(skip(context, websocket_id))]
  24   async fn perform(
  25     &self,
  26     context: &Data<LemmyContext>,
  27     websocket_id: Option<ConnectionId>,
  28   ) -> Result<PostResponse, LemmyError> {
  29     let data: &RemovePost = self;
  30     let local_user_view =
  31       get_local_user_view_from_jwt(&data.auth, context.pool(), context.secret()).await?;
  32
  33     let post_id = data.post_id;
  34     let orig_post = blocking(context.pool(), move |conn| Post::read(conn, post_id)).await??;
  35
  36     check_community_ban(
  37       local_user_view.person.id,
  38       orig_post.community_id,
  39       context.pool(),
  40     )
  41     .await?;
  42
  43     // Verify that only the mods can remove
  44     is_mod_or_admin(
  45       context.pool(),
  46       local_user_view.person.id,
  47       orig_post.community_id,
  48     )
  49     .await?;
  50
  51     // Update the post
  52     let post_id = data.post_id;
  53     let removed = data.removed;
  54     let updated_post = blocking(context.pool(), move |conn| {
  55       Post::update(
  56         conn,
  57         post_id,
  58         &PostUpdateForm::builder().removed(Some(removed)).build(),
  59       )
  60     })
  61     .await??;
  62
  63     // Mod tables
  64     let form = ModRemovePostForm {
  65       mod_person_id: local_user_view.person.id,
  66       post_id: data.post_id,
  67       removed: Some(removed),
  68       reason: data.reason.to_owned(),
  69     };
  70     blocking(context.pool(), move |conn| {
  71       ModRemovePost::create(conn, &form)
  72     })
  73     .await??;
  74
  75     let res = send_post_ws_message(
  76       data.post_id,
  77       UserOperationCrud::RemovePost,
  78       websocket_id,
  79       Some(local_user_view.person.id),
  80       context,
  81     )
  82     .await?;
  83
  84     // apub updates
  85     let community = blocking(context.pool(), move |conn| {
  86       Community::read(conn, orig_post.community_id)
  87     })
  88     .await??;
  89     let deletable = DeletableObjects::Post(Box::new(updated_post.into()));
  90     send_apub_delete_in_community(
  91       local_user_view.person,
  92       community,
  93       deletable,
  94       data.reason.clone().or_else(|| Some("".to_string())),
  95       removed,
  96       context,
  97     )
  98     .await?;
  99     Ok(res)
 100   }
 101 }