Method insert

core/station/impl/src/repositories/user_group.rs:105–122

(&self, key: UserGroupId, value: UserGroup)

    }

    fn insert(&self, key: UserGroupId, value: UserGroup) -> Option<UserGroup> {
        DB.with(|m| {
            CACHE.with(|cache| cache.borrow_mut().insert(key, value.clone()));

            let prev = m.borrow_mut().insert(key, value.clone());

            // Update metrics when a user group is upserted.
            USER_GROUP_METRICS.with(|metrics| {
                metrics
                    .iter()
                    .for_each(|metric| metric.borrow_mut().sum(&value, prev.as_ref()))
            });

            self.save_entry_indexes(&value, prev.as_ref());

            prev
        })
    }

    fn remove(&self, key: &UserGroupId) -> Option<UserGroup> {
        DB.with(|m| {