Method refresh

core/control-panel/impl/src/core/metrics.rs:189–231

(&mut self, now_ns: u64)

impl MetricActiveUsers {
    pub fn refresh(&mut self, now_ns: u64) {
        let mut hourly_active: u64 = 0;
        let mut daily_active: u64 = 0;
        let mut weekly_active: u64 = 0;
        let mut montly_active: u64 = 0;

        for (_, last_active) in self.users_activity_log.iter() {
            let elapsed_ns = now_ns.saturating_sub(*last_active);
            if elapsed_ns < ONE_HOUR_NS {
                hourly_active = hourly_active.saturating_add(1);
            }
            if elapsed_ns < ONE_DAY_NS {
                daily_active = daily_active.saturating_add(1);
            }
            if elapsed_ns < ONE_WEEK_NS {
                weekly_active = weekly_active.saturating_add(1);
            }
            if elapsed_ns < ONE_MONTH_NS {
                montly_active = montly_active.saturating_add(1);
            }
        }

        self.set(
            SERVICE_NAME,
            &labels! { "time" => "hourly" },
            hourly_active as f64,
        );
        self.set(
            SERVICE_NAME,
            &labels! { "time" => "daily" },
            daily_active as f64,
        );
        self.set(
            SERVICE_NAME,
            &labels! { "time" => "weekly" },
            weekly_active as f64,
        );
        self.set(
            SERVICE_NAME,
            &labels! { "time" => "monthly" },
            montly_active as f64,
        );
    }
}

impl ApplicationGaugeVecMetric<User> for MetricActiveUsers {