public override async Task OnAlertAddedOrUpdatedAsync(XSafeZoneAlert alert)
{
// NOTE: Compare the constants in XSafeZoneAlertStates to alert.State in order to detemine what the current state is.
// Location data is in the alert.Location object, and at minumum provides Latitude, Longitude, Timestamp.
// Certain metadata, like name, email, mobile should always be available, but the program should handle it being absent.
// Metadata about the raiser can be found in the alert.Raiser object.
// e.g. to get their email address, use:
// EmailAddress emailAddress = XSafeZoneAlertRaiserFields.EmailAddress.GetValueOrDefault(alert.Raiser);
Log.Info($"Added alert/updated with id: {alert.GlobalId}, state: {alert.State}, lat: {alert.Location?.Latitude}, lon: {alert.Location?.Longitude}.");
}
public override async Task OnAlertRemovedAsync(XSafeZoneAlert alert)
{
Log.Info($"Removed alert with id: {alert.GlobalId}.");
}
/// <summary> /// Called when an alert has been resolved or canceled by a responder in SafeZone. /// </summary> /// <remarks> /// The alert parameter is the state of the alert before it was /// removed from the SafeZone system and will not necessarily have /// its state property set to 'resolved' or 'canceled'. /// </remarks> /// <param name="alert">An object containing the last known full state of the alert in the SafeZone system.</param> public abstract Task OnAlertRemovedAsync(XSafeZoneAlert alert);
/// <summary> /// Called when an alert has been added or updated in SafeZone. /// A new alert should be added in the target system if one does not already /// exist with the same raiser and alert id combination, otherwise the existing /// alert should be updated with any state and location changes that have occured. /// </summary> /// <remarks> /// This method will be called for oustanding unresolved alerts when the application first /// starts. It is therefore important that updates in the target system are either idempotent, /// or the appropriate checks are made before hand to ensure the state transition is appropriate. /// </remarks> /// <param name="alert">An object containing the full state of the alert in the SafeZone system.</param> public abstract Task OnAlertAddedOrUpdatedAsync(XSafeZoneAlert alert);
