Add waiting for next period

emgauwa-lib/src/models/controller.rs

@@ -1,4 +1,5 @@
 use actix::MessageResponse;
+use chrono::NaiveTime;
 use futures::executor::block_on;
 use serde_derive::{Deserialize, Serialize};
 use sqlx::pool::PoolConnection;
@@ -62,4 +63,11 @@ impl Controller {
 	pub fn get_relay_states(&self) -> RelayStates {
 		self.relays.iter().map(|r| r.is_on).collect()
 	}
+
+	pub fn get_next_time(&self, now: &NaiveTime) -> Option<NaiveTime> {
+		self.relays
+			.iter()
+			.filter_map(|r| r.active_schedule.get_next_time(now))
+			.min()
+	}
 }