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

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use crate::Perform;
use actix_web::web::Data;
use lemmy_api_common::{
community::{AddModToCommunity, AddModToCommunityResponse},
context::LemmyContext,
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utils::{get_local_user_view_from_jwt, is_mod_or_admin},
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websocket::{messages::SendCommunityRoomMessage, UserOperation},
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};
use lemmy_db_schema::{
source::{
community::{Community, CommunityModerator, CommunityModeratorForm},
moderator::{ModAddCommunity, ModAddCommunityForm},
},
traits::{Crud, Joinable},
};
use lemmy_db_views_actor::structs::CommunityModeratorView;
use lemmy_utils::{error::LemmyError, ConnectionId};
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#[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?;
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let community = Community::read(context.pool(), community_id).await?;
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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 {
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CommunityModerator::join(context.pool(), &community_moderator_form)
.await
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.map_err(|e| LemmyError::from_error_message(e, "community_moderator_already_exists"))?;
} else {
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CommunityModerator::leave(context.pool(), &community_moderator_form)
.await
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.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),
};
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ModAddCommunity::create(context.pool(), &form).await?;
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// 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;
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let moderators = CommunityModeratorView::for_community(context.pool(), community_id).await?;
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let res = AddModToCommunityResponse { moderators };
context.chat_server().do_send(SendCommunityRoomMessage {
op: UserOperation::AddModToCommunity,
response: res.clone(),
community_id,
websocket_id,
});
Ok(res)
}
}