Send event when a flight plan is updated

src/atc-game/src/systems/update_flight_plan.rs

@@ -1,19 +1,29 @@
 use bevy::prelude::*;
 
-use crate::command::CommandBus;
+use crate::command::{Command, CommandBus};
 use crate::components::{AirplaneId, FlightPlan};
-use crate::Command;
+use crate::event::{Event, EventBus};
 
 pub fn update_flight_plan(
     mut query: Query<(&AirplaneId, &mut FlightPlan)>,
     mut command_bus: Local<CommandBus>,
+    event_bus: Local<EventBus>,
 ) {
     while let Ok(command) = command_bus.receiver().try_recv() {
         let Command::UpdateFlightPlan(airplane_id, new_flight_plan) = command;
 
         for (id, mut current_flight_plan) in query.iter_mut() {
             if *id == airplane_id {
-                *current_flight_plan = new_flight_plan;
+                *current_flight_plan = new_flight_plan.clone();
+
+                event_bus
+                    .sender()
+                    .send(Event::FlightPlanUpdated(
+                        airplane_id.clone(),
+                        new_flight_plan,
+                    ))
+                    .expect("failed to send event"); // TODO: Handle error
+
                 break;
             }
         }