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