/// <summary>
/// Schedule a notification on the scheduled date. If there is extra
/// notification info then include that in the notification.
/// </summary>
/// <param name="scheduledDate">The date and time you want the notification to appear.</param>
private void ScheduleNotification(DateTime scheduledDate)
{
string notificationId;
// Setup the date and the messages.
const string title = "Scheduled Now";
var message = $"Created: {DateTime.Now:G}, Scheduled: {scheduledDate:G}";
// Check if the extra info should be included when sending the notification
// then schedule the notification.
if (IncludeExtraInfo)
{
var extraInfo = new Dictionary <string, string> {
{ "ExtraInfoOne", ExtraInfoOne }, { "ExtraInfoTwo", ExtraInfoTwo }
};
notificationId = _notificationScheduler.Create(title, message, scheduledDate, extraInfo);
}
else
{
notificationId = _notificationScheduler.Create(title, message, scheduledDate);
}
// Keep track of this scheduled notification.
ScheduledNotificationRepository.NotificationScheduled(notificationId, title, message, scheduledDate, ExtraInfoOne, ExtraInfoTwo);
// Add to the list of notifications.
ScheduledNotifications.Add(new MainPageViewModelScheduledNotification {
Text = notificationId
});
}
/// <summary>
/// When a notification is recieved update the repository and show
/// the recieved notification to the user.
/// </summary>
/// <param name="notification"></param>
public void NotificationReceived(Notification notification)
{
// Copy the notification values to the view model
var viewModel = new NotificationRecievedViewModel
{
Id = notification.Id,
Title = notification.Title,
Message = notification.Message
};
// Only copy the extra info if it exists.
if (notification.ExtraInfo.ContainsKey("ExtraInfoOne"))
{
viewModel.ExtraInfoOne = notification.ExtraInfo["ExtraInfoOne"];
}
if (notification.ExtraInfo.ContainsKey("ExtraInfoTwo"))
{
viewModel.ExtraInfoTwo = notification.ExtraInfo["ExtraInfoTwo"];
}
// Save the recieved view model.
ScheduledNotificationRepository.NotificationRecieved(notification.Id, viewModel.Title, viewModel.Message, viewModel.ExtraInfoOne, viewModel.ExtraInfoTwo);
// Show the notifcation page.
var notificationPage = new NotificationRecievedPage(viewModel);
Application.Current.MainPage.Navigation.PushAsync(notificationPage);
}
/// <summary>
/// Cancels an existing notification.
/// </summary>
private void CancelNotification()
{
try
{
_notificationScheduler.Cancel(Id);
var canceledTime = DateTime.Now;
ScheduledNotificationRepository.NotificationCancled(Id, canceledTime);
CanceledOn = canceledTime.ToString("G");
}
catch (Exception ex)
{
Application.Current.MainPage.DisplayAlert("Error Trying to Cancel Notification", $"{ex.Message}", "OK");
}
}
/// <summary>
/// Creates a new page with the scheduled notification loaded.
/// </summary>
/// <param name="scheduledNotificationId"></param>
public ScheduledNotificationPage(string scheduledNotificationId) : this()
{
var scheduledNotification = ScheduledNotificationRepository.FindNotification(scheduledNotificationId);
BindingContext = new ScheduledNotificationViewModel
{
Id = scheduledNotification.Id,
NumberOfTimesRecieved = scheduledNotification.NumberTimesRecieved,
CreatedOn = scheduledNotification.CreatedOn.ToString("G"),
ScheduledFor = scheduledNotification.ScheduledFor.ToString("G"),
RecievedOn = scheduledNotification.LastRecievedOn?.ToString("G") ?? "",
ScheduledTitle = scheduledNotification.ScheduledDetails?.Title ?? "",
RecievedTitle = scheduledNotification.RecievedDetails?.Title ?? "",
ScheduledMessage = scheduledNotification.ScheduledDetails?.Message ?? "",
RecivedMessage = scheduledNotification.RecievedDetails?.Message ?? "",
ScheduledExtraInfoOne = scheduledNotification.ScheduledDetails?.ExtraInfoOne ?? "",
RecivedExtraInfoOne = scheduledNotification.RecievedDetails?.ExtraInfoOne ?? "",
ScheduledExtraInfoTwo = scheduledNotification.ScheduledDetails?.ExtraInfoTwo ?? "",
RecivedExtraInfoTwo = scheduledNotification.RecievedDetails?.ExtraInfoTwo ?? "",
CanceledOn = scheduledNotification.CanceledOn?.ToString("G") ?? ""
};
}
