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

121 lines
3.9 KiB
Rust

use crate::Perform;
use actix_web::web::Data;
use lemmy_api_common::{
community::{AddModToCommunity, AddModToCommunityResponse},
utils::{blocking, get_local_user_view_from_jwt, is_mod_or_admin},
};
use lemmy_apub::{
objects::{community::ApubCommunity, person::ApubPerson},
protocol::activities::community::{add_mod::AddMod, remove_mod::RemoveMod},
};
use lemmy_db_schema::{
source::{
community::{Community, CommunityModerator, CommunityModeratorForm},
moderator::{ModAddCommunity, ModAddCommunityForm},
person::Person,
},
traits::{Crud, Joinable},
};
use lemmy_db_views_actor::structs::CommunityModeratorView;
use lemmy_utils::{ConnectionId, LemmyError};
use lemmy_websocket::{messages::SendCommunityRoomMessage, LemmyContext, UserOperation};
#[async_trait::async_trait(?Send)]
impl Perform for AddModToCommunity {
type Response = AddModToCommunityResponse;
#[tracing::instrument(skip(context, websocket_id))]
async fn perform(
&self,
context: &Data<LemmyContext>,
websocket_id: Option<ConnectionId>,
) -> Result<AddModToCommunityResponse, LemmyError> {
let data: &AddModToCommunity = self;
let local_user_view =
get_local_user_view_from_jwt(&data.auth, context.pool(), context.secret()).await?;
let community_id = data.community_id;
// Verify that only mods or admins can add mod
is_mod_or_admin(context.pool(), local_user_view.person.id, community_id).await?;
let community = blocking(context.pool(), move |conn| {
Community::read(conn, community_id)
})
.await??;
if local_user_view.person.admin && !community.local {
return Err(LemmyError::from_message("not_a_moderator"));
}
// Update in local database
let community_moderator_form = CommunityModeratorForm {
community_id: data.community_id,
person_id: data.person_id,
};
if data.added {
let join = move |conn: &'_ _| CommunityModerator::join(conn, &community_moderator_form);
blocking(context.pool(), join)
.await?
.map_err(|e| LemmyError::from_error_message(e, "community_moderator_already_exists"))?;
} else {
let leave = move |conn: &'_ _| CommunityModerator::leave(conn, &community_moderator_form);
blocking(context.pool(), leave)
.await?
.map_err(|e| LemmyError::from_error_message(e, "community_moderator_already_exists"))?;
}
// Mod tables
let form = ModAddCommunityForm {
mod_person_id: local_user_view.person.id,
other_person_id: data.person_id,
community_id: data.community_id,
removed: Some(!data.added),
};
blocking(context.pool(), move |conn| {
ModAddCommunity::create(conn, &form)
})
.await??;
// Send to federated instances
let updated_mod_id = data.person_id;
let updated_mod: ApubPerson = blocking(context.pool(), move |conn| {
Person::read(conn, updated_mod_id)
})
.await??
.into();
let community: ApubCommunity = community.into();
if data.added {
AddMod::send(
&community,
&updated_mod,
&local_user_view.person.into(),
context,
)
.await?;
} else {
RemoveMod::send(
&community,
&updated_mod,
&local_user_view.person.into(),
context,
)
.await?;
}
// Note: in case a remote mod is added, this returns the old moderators list, it will only get
// updated once we receive an activity from the community (like `Announce/Add/Moderator`)
let community_id = data.community_id;
let moderators = blocking(context.pool(), move |conn| {
CommunityModeratorView::for_community(conn, community_id)
})
.await??;
let res = AddModToCommunityResponse { moderators };
context.chat_server().do_send(SendCommunityRoomMessage {
op: UserOperation::AddModToCommunity,
response: res.clone(),
community_id,
websocket_id,
});
Ok(res)
}
}