crates/api_crud/src/community/delete.rs

   1 use crate::PerformCrud;
   2 use actix_web::web::Data;
   3 use lemmy_api_common::{blocking, community::*, get_local_user_view_from_jwt, is_admin};
   4 use lemmy_apub::activities::deletion::{send_apub_delete, send_apub_remove, DeletableObjects};
   5 use lemmy_db_schema::{
   6   source::{
   7     community::Community,
   8     moderator::{ModRemoveCommunity, ModRemoveCommunityForm},
   9   },
  10   traits::Crud,
  11 };
  12 use lemmy_db_views_actor::community_moderator_view::CommunityModeratorView;
  13 use lemmy_utils::{utils::naive_from_unix, ApiError, ConnectionId, LemmyError};
  14 use lemmy_websocket::{send::send_community_ws_message, LemmyContext, UserOperationCrud};
  15
  16 #[async_trait::async_trait(?Send)]
  17 impl PerformCrud for DeleteCommunity {
  18   type Response = CommunityResponse;
  19
  20   async fn perform(
  21     &self,
  22     context: &Data<LemmyContext>,
  23     websocket_id: Option<ConnectionId>,
  24   ) -> Result<CommunityResponse, LemmyError> {
  25     let data: &DeleteCommunity = self;
  26     let local_user_view =
  27       get_local_user_view_from_jwt(&data.auth, context.pool(), context.secret()).await?;
  28
  29     // Fetch the community mods
  30     let community_id = data.community_id;
  31     let community_mods = blocking(context.pool(), move |conn| {
  32       CommunityModeratorView::for_community(conn, community_id)
  33     })
  34     .await??;
  35
  36     // Make sure deleter is the top mod
  37     if local_user_view.person.id != community_mods[0].moderator.id {
  38       return Err(ApiError::err_plain("no_community_edit_allowed").into());
  39     }
  40
  41     // Do the delete
  42     let community_id = data.community_id;
  43     let deleted = data.deleted;
  44     let updated_community = blocking(context.pool(), move |conn| {
  45       Community::update_deleted(conn, community_id, deleted)
  46     })
  47     .await?
  48     .map_err(|e| ApiError::err("couldnt_update_community", e))?;
  49
  50     // Send apub messages
  51     send_apub_delete(
  52       &local_user_view.person.clone().into(),
  53       &updated_community.clone().into(),
  54       DeletableObjects::Community(Box::new(updated_community.into())),
  55       deleted,
  56       context,
  57     )
  58     .await?;
  59
  60     send_community_ws_message(
  61       data.community_id,
  62       UserOperationCrud::DeleteCommunity,
  63       websocket_id,
  64       Some(local_user_view.person.id),
  65       context,
  66     )
  67     .await
  68   }
  69 }
  70
  71 #[async_trait::async_trait(?Send)]
  72 impl PerformCrud for RemoveCommunity {
  73   type Response = CommunityResponse;
  74
  75   async fn perform(
  76     &self,
  77     context: &Data<LemmyContext>,
  78     websocket_id: Option<ConnectionId>,
  79   ) -> Result<CommunityResponse, LemmyError> {
  80     let data: &RemoveCommunity = self;
  81     let local_user_view =
  82       get_local_user_view_from_jwt(&data.auth, context.pool(), context.secret()).await?;
  83
  84     // Verify its an admin (only an admin can remove a community)
  85     is_admin(&local_user_view)?;
  86
  87     // Do the remove
  88     let community_id = data.community_id;
  89     let removed = data.removed;
  90     let updated_community = blocking(context.pool(), move |conn| {
  91       Community::update_removed(conn, community_id, removed)
  92     })
  93     .await?
  94     .map_err(|e| ApiError::err("couldnt_update_community", e))?;
  95
  96     // Mod tables
  97     let expires = data.expires.map(naive_from_unix);
  98     let form = ModRemoveCommunityForm {
  99       mod_person_id: local_user_view.person.id,
 100       community_id: data.community_id,
 101       removed: Some(removed),
 102       reason: data.reason.to_owned(),
 103       expires,
 104     };
 105     blocking(context.pool(), move |conn| {
 106       ModRemoveCommunity::create(conn, &form)
 107     })
 108     .await??;
 109
 110     // Apub messages
 111     send_apub_remove(
 112       &local_user_view.person.clone().into(),
 113       &updated_community.clone().into(),
 114       DeletableObjects::Community(Box::new(updated_community.into())),
 115       data.reason.clone().unwrap_or_else(|| "".to_string()),
 116       removed,
 117       context,
 118     )
 119     .await?;
 120
 121     send_community_ws_message(
 122       data.community_id,
 123       UserOperationCrud::RemoveCommunity,
 124       websocket_id,
 125       Some(local_user_view.person.id),
 126       context,
 127     )
 128     .await
 129   }
 130 }