crates/api_crud/src/community/delete.rs

   1 use crate::{community::send_community_websocket, 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::CommunityType;
   5 use lemmy_db_queries::{source::community::Community_, Crud};
   6 use lemmy_db_schema::source::{
   7   community::*,
   8   moderator::{ModRemoveCommunity, ModRemoveCommunityForm},
   9 };
  10 use lemmy_db_views_actor::community_view::CommunityView;
  11 use lemmy_utils::{utils::naive_from_unix, ApiError, ConnectionId, LemmyError};
  12 use lemmy_websocket::{LemmyContext, UserOperationCrud};
  13
  14 #[async_trait::async_trait(?Send)]
  15 impl PerformCrud for DeleteCommunity {
  16   type Response = CommunityResponse;
  17
  18   async fn perform(
  19     &self,
  20     context: &Data<LemmyContext>,
  21     websocket_id: Option<ConnectionId>,
  22   ) -> Result<CommunityResponse, LemmyError> {
  23     let data: &DeleteCommunity = &self;
  24     let local_user_view = get_local_user_view_from_jwt(&data.auth, context.pool()).await?;
  25
  26     // Verify its the creator (only a creator can delete the community)
  27     let community_id = data.community_id;
  28     let read_community = blocking(context.pool(), move |conn| {
  29       Community::read(conn, community_id)
  30     })
  31     .await??;
  32     if read_community.creator_id != local_user_view.person.id {
  33       return Err(ApiError::err("no_community_edit_allowed").into());
  34     }
  35
  36     // Do the delete
  37     let community_id = data.community_id;
  38     let deleted = data.deleted;
  39     let updated_community = match blocking(context.pool(), move |conn| {
  40       Community::update_deleted(conn, community_id, deleted)
  41     })
  42     .await?
  43     {
  44       Ok(community) => community,
  45       Err(_e) => return Err(ApiError::err("couldnt_update_community").into()),
  46     };
  47
  48     // Send apub messages
  49     if deleted {
  50       updated_community.send_delete(context).await?;
  51     } else {
  52       updated_community.send_undo_delete(context).await?;
  53     }
  54
  55     let community_id = data.community_id;
  56     let person_id = local_user_view.person.id;
  57     let community_view = blocking(context.pool(), move |conn| {
  58       CommunityView::read(conn, community_id, Some(person_id))
  59     })
  60     .await??;
  61
  62     let res = CommunityResponse { community_view };
  63
  64     send_community_websocket(
  65       &res,
  66       context,
  67       websocket_id,
  68       UserOperationCrud::DeleteCommunity,
  69     );
  70
  71     Ok(res)
  72   }
  73 }
  74
  75 #[async_trait::async_trait(?Send)]
  76 impl PerformCrud for RemoveCommunity {
  77   type Response = CommunityResponse;
  78
  79   async fn perform(
  80     &self,
  81     context: &Data<LemmyContext>,
  82     websocket_id: Option<ConnectionId>,
  83   ) -> Result<CommunityResponse, LemmyError> {
  84     let data: &RemoveCommunity = &self;
  85     let local_user_view = get_local_user_view_from_jwt(&data.auth, context.pool()).await?;
  86
  87     // Verify its an admin (only an admin can remove a community)
  88     is_admin(&local_user_view)?;
  89
  90     // Do the remove
  91     let community_id = data.community_id;
  92     let removed = data.removed;
  93     let updated_community = match blocking(context.pool(), move |conn| {
  94       Community::update_removed(conn, community_id, removed)
  95     })
  96     .await?
  97     {
  98       Ok(community) => community,
  99       Err(_e) => return Err(ApiError::err("couldnt_update_community").into()),
 100     };
 101
 102     // Mod tables
 103     let expires = data.expires.map(naive_from_unix);
 104     let form = ModRemoveCommunityForm {
 105       mod_person_id: local_user_view.person.id,
 106       community_id: data.community_id,
 107       removed: Some(removed),
 108       reason: data.reason.to_owned(),
 109       expires,
 110     };
 111     blocking(context.pool(), move |conn| {
 112       ModRemoveCommunity::create(conn, &form)
 113     })
 114     .await??;
 115
 116     // Apub messages
 117     if removed {
 118       updated_community.send_remove(context).await?;
 119     } else {
 120       updated_community.send_undo_remove(context).await?;
 121     }
 122
 123     let community_id = data.community_id;
 124     let person_id = local_user_view.person.id;
 125     let community_view = blocking(context.pool(), move |conn| {
 126       CommunityView::read(conn, community_id, Some(person_id))
 127     })
 128     .await??;
 129
 130     let res = CommunityResponse { community_view };
 131
 132     send_community_websocket(
 133       &res,
 134       context,
 135       websocket_id,
 136       UserOperationCrud::RemoveCommunity,
 137     );
 138
 139     Ok(res)
 140   }
 141 }