private NotificationHandler _getObjectNotificationHandler <T>(ObjectChangeSubscriptionCallback <T> callback) where T : class, IIdentifiable
{
string invariantName = InvariantNames.GetInvariantName <T>();
return(notification =>
{
ObjectModificationEvent @event = notification.Event.ObjectModificationEvent;
callback(@event.ModificationType, @event.ObjectId,
@event.ModificationType == ModificationType.MT_DELETE ?
null : (T)@event.Object.Get(invariantName));
});
}
private Vehicle getVehicleById(int id)
{
var getVehicleResp = _connectionService.Execute <GetObjectResponse>(
new GetObjectRequest
{
ClientId = _connectionService.GetClientId(),
ObjectType = InvariantNames.GetInvariantName <Vehicle>(),
ObjectId = id
});
var vehicle = getVehicleResp.Object?.Vehicle;
return(vehicle);
}
/// <summary>
/// Create subscribtion to change the selected vehicle
/// </summary>
/// <param name="handler">Handler for new vehicle tail number</param>
/// <returns>Returns subscription id or null if error is raised</returns>
public int SubscribeSelectedVehicleChange(System.Action <ClientVehicleDto> handler)
{
//get selected vehicle id from mission preferences
ObjectModificationSubscription missionPrefSubscription = new ObjectModificationSubscription
{
ObjectType = InvariantNames.GetInvariantName <MissionPreference>()
};
EventSubscriptionWrapper subscriptionWrapper = new EventSubscriptionWrapper
{
ObjectModificationSubscription = missionPrefSubscription
};
var response = _connectionService.Execute <SubscribeEventResponse>(
new SubscribeEventRequest()
{
ClientId = _connectionService.GetClientId(),
Subscription = subscriptionWrapper,
});
_connectionService.NotificationListener.AddSubscription(new SubscriptionToken(response.SubscriptionId,
(notif) =>
{
var prefs = notif.Event.ObjectModificationEvent.Object.MissionPreference;
if (prefs.Name.Equals(PREF_NAME))
{
int?id = missionPreferenceToVehicleId(prefs, _connectionService.GetUser().Id);
if (id != null)
{
var v = getVehicleById(id.Value);
if (v != null)
{
handler(new ClientVehicleDto()
{
Name = v.Name,
VehicleId = v.Id
});
return;
}
}
handler(null);
}
},
subscriptionWrapper));
return(response.SubscriptionId);
}
private string getVehicleTailNumberById(int id)
{
var getVehicleResp = _connectionService.Execute <GetObjectResponse>(
new GetObjectRequest
{
ClientId = _connectionService.ClientId,
ObjectType = InvariantNames.GetInvariantName <Vehicle>(),
ObjectId = id
});
var vehicle = getVehicleResp.Object?.Vehicle;
if (vehicle != null)
{
return(getTailNumberFromVehicle(vehicle));
}
return(null);
}
/// <summary>
/// Create subscribtion to change the selected vehicle
/// </summary>
/// <param name="handler">Handler for new vehicle tail number</param>
/// <returns>Returns subscription id or null if error is raised</returns>
public int SubscribeSelectedVehicleChange(System.Action <string> handler)
{
//get selected vehicle id from mission preferences
int result = 0;
ObjectModificationSubscription missionPrefSubscription = new ObjectModificationSubscription();
missionPrefSubscription.ObjectType = InvariantNames.GetInvariantName <MissionPreference>();
EventSubscriptionWrapper subscriptionWrapper = new EventSubscriptionWrapper();
subscriptionWrapper.ObjectModificationSubscription = missionPrefSubscription;
var response = _connectionService.Execute <SubscribeEventResponse>(
new SubscribeEventRequest()
{
ClientId = _connectionService.ClientId,
Subscription = subscriptionWrapper,
});
result = response.SubscriptionId;
_connectionService.NotificationListener.AddSubscription(new SubscriptionToken(response.SubscriptionId,
(notif) =>
{
var prefs = notif.Event.ObjectModificationEvent.Object.MissionPreference;
int?id = missionPreferenceToVehicleId(prefs, _connectionService.User.Id);
if (id != null)
{
string tailNum = getVehicleTailNumberById(id.Value);
if (tailNum != null)
{
handler(tailNum);
}
}
},
subscriptionWrapper));
return(response.SubscriptionId);
}
