lemmy/crates/api/src/community/block.rs

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2022-04-13 18:12:25 +00:00
use crate::Perform;
use actix_web::web::Data;
use lemmy_api_common::{
blocking,
community::{BlockCommunity, BlockCommunityResponse},
get_local_user_view_from_jwt,
};
use lemmy_apub::protocol::activities::following::undo_follow::UndoFollowCommunity;
use lemmy_db_schema::{
source::{
community::{Community, CommunityFollower, CommunityFollowerForm},
community_block::{CommunityBlock, CommunityBlockForm},
},
traits::{Blockable, Crud, Followable},
};
use lemmy_db_views_actor::community_view::CommunityView;
use lemmy_utils::{ConnectionId, LemmyError};
use lemmy_websocket::LemmyContext;
#[async_trait::async_trait(?Send)]
impl Perform for BlockCommunity {
type Response = BlockCommunityResponse;
#[tracing::instrument(skip(context, _websocket_id))]
async fn perform(
&self,
context: &Data<LemmyContext>,
_websocket_id: Option<ConnectionId>,
) -> Result<BlockCommunityResponse, LemmyError> {
let data: &BlockCommunity = self;
let local_user_view =
get_local_user_view_from_jwt(&data.auth, context.pool(), context.secret()).await?;
let community_id = data.community_id;
let person_id = local_user_view.person.id;
let community_block_form = CommunityBlockForm {
person_id,
community_id,
};
if data.block {
let block = move |conn: &'_ _| CommunityBlock::block(conn, &community_block_form);
blocking(context.pool(), block)
.await?
.map_err(|e| LemmyError::from_error_message(e, "community_block_already_exists"))?;
// Also, unfollow the community, and send a federated unfollow
let community_follower_form = CommunityFollowerForm {
community_id: data.community_id,
person_id,
pending: false,
};
blocking(context.pool(), move |conn: &'_ _| {
CommunityFollower::unfollow(conn, &community_follower_form)
})
.await?
.ok();
let community = blocking(context.pool(), move |conn| {
Community::read(conn, community_id)
})
.await??;
UndoFollowCommunity::send(&local_user_view.person.into(), &community.into(), context).await?;
} else {
let unblock = move |conn: &'_ _| CommunityBlock::unblock(conn, &community_block_form);
blocking(context.pool(), unblock)
.await?
.map_err(|e| LemmyError::from_error_message(e, "community_block_already_exists"))?;
}
let community_view = blocking(context.pool(), move |conn| {
CommunityView::read(conn, community_id, Some(person_id))
})
.await??;
Ok(BlockCommunityResponse {
blocked: data.block,
community_view,
})
}
}