Method insert

core/station/impl/src/repositories/user.rs:141–161

(&self, key: UserKey, value: User)

    }

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

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

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

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

            let args = (value, prev);
            self.change_observer.notify(&args);

            args.1
        })
    }

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