Add handler for relay states

emgauwa-lib/src/models/controller.rs

@@ -7,6 +7,7 @@ use sqlx::Sqlite;
 use crate::db::DbController;
 use crate::errors::{DatabaseError, EmgauwaError};
 use crate::models::{convert_db_list_cache, FromDbModel, Relay};
+use crate::types::RelayStates;
 
 #[derive(Serialize, Deserialize, Debug, Clone, MessageResponse)]
 pub struct Controller {
@@ -48,4 +49,17 @@ impl Controller {
 		}
 		Ok(())
 	}
+
+	pub fn apply_relay_states(&mut self, relay_states: &RelayStates) {
+		self.relays
+			.iter_mut()
+			.zip(relay_states.iter())
+			.for_each(|(relay, is_on)| {
+				relay.is_on = *is_on;
+			});
+	}
+
+	pub fn get_relay_states(&self) -> RelayStates {
+		self.relays.iter().map(|r| r.is_on).collect()
+	}
 }