public async Task<string> RegisterWithHub(DeviceRegistration deviceUpdate)
{
string newRegistrationId = null;
try
{
// make sure there are no existing registrations for this push handle (used for iOS and Android)
if(deviceUpdate.Handle != null)
{
//Azure likes to uppercase the iOS device handles for some reason - no worries tho, I only spent 2 hours tracking this down
if(deviceUpdate.Platform == "iOS")
deviceUpdate.Handle = deviceUpdate.Handle.ToUpper();
var registrations = await _hub.GetRegistrationsByChannelAsync(deviceUpdate.Handle, 100);
foreach(var reg in registrations)
{
if(newRegistrationId == null)
{
newRegistrationId = reg.RegistrationId;
}
else
{
await _hub.DeleteRegistrationAsync(reg);
}
}
}
if(newRegistrationId == null)
newRegistrationId = await _hub.CreateRegistrationIdAsync();
RegistrationDescription registration = null;
switch(deviceUpdate.Platform)
{
case "iOS":
var alertTemplate = "{\"aps\":{\"alert\":\"$(message)\",\"badge\":\"#(badge)\",\"payload\":\"$(payload)\"}}";
registration = new AppleTemplateRegistrationDescription(deviceUpdate.Handle, alertTemplate);
break;
case "Android":
var messageTemplate = "{\"data\":{\"title\":\"Sport\",\"message\":\"$(message)\",\"payload\":\"$(payload)\"}}";
registration = new GcmTemplateRegistrationDescription(deviceUpdate.Handle, messageTemplate);
break;
default:
throw new HttpResponseException(HttpStatusCode.BadRequest);
}
registration.RegistrationId = newRegistrationId;
registration.Tags = new HashSet<string>(deviceUpdate.Tags);
await _hub.CreateOrUpdateRegistrationAsync(registration);
}
catch(Exception ex)
{
throw ex.GetBaseException().Message.ToException(Request);
}
return newRegistrationId;
}
/// <summary>
/// This app uses Azure as the backend which utilizes Notifications hubs
/// </summary>
/// <returns>The athlete notification hub registration.</returns>
public Task UpdateAthleteNotificationHubRegistration(Athlete athlete, bool forceSave = false, bool sendTestPush = false)
{
return(new Task(() =>
{
if (athlete == null)
{
throw new ArgumentNullException("athlete");
}
if (athlete.Id == null || athlete.DeviceToken == null)
{
return;
}
var tags = new List <string> {
App.CurrentAthlete.Id,
"All",
};
App.CurrentAthlete.LocalRefresh();
App.CurrentAthlete.Memberships.Select(m => m.LeagueId).ToList().ForEach(tags.Add);
athlete.DevicePlatform = Xamarin.Forms.Device.OS.ToString();
var reg = new DeviceRegistration {
Handle = athlete.DeviceToken,
Platform = athlete.DevicePlatform,
Tags = tags.ToArray()
};
var registrationId = Client.InvokeApiAsync <DeviceRegistration, string>("registerWithHub", reg, HttpMethod.Put, null).Result;
athlete.NotificationRegistrationId = registrationId;
//Used to verify the device is successfully registered with the backend
if (sendTestPush)
{
var qs = new Dictionary <string, string>();
qs.Add("athleteId", athlete.Id);
Client.InvokeApiAsync("sendTestPushNotification", null, HttpMethod.Get, qs).Wait();
}
if (athlete.IsDirty || forceSave)
{
var task = SaveAthlete(athlete);
task.Start();
task.Wait();
}
}));
}
/// <summary>
/// This app uses Azure as the backend which utilizes Notifications hubs
/// </summary>
/// <returns>The athlete notification hub registration.</returns>
public Task UpdateAthleteNotificationHubRegistration(Athlete athlete, bool forceSave = false, bool sendTestPush = false)
{
return new Task(() =>
{
if(athlete == null)
throw new ArgumentNullException("athlete");
if(athlete.Id == null || athlete.DeviceToken == null)
return;
var tags = new List<string> {
App.CurrentAthlete.Id,
"All",
};
App.CurrentAthlete.LocalRefresh();
App.CurrentAthlete.Memberships.Select(m => m.LeagueId).ToList().ForEach(tags.Add);
athlete.DevicePlatform = Xamarin.Forms.Device.OS.ToString();
var reg = new DeviceRegistration {
Handle = athlete.DeviceToken,
Platform = athlete.DevicePlatform,
Tags = tags.ToArray()
};
var registrationId = Client.InvokeApiAsync<DeviceRegistration, string>("registerWithHub", reg, HttpMethod.Put, null).Result;
athlete.NotificationRegistrationId = registrationId;
//Used to verify the device is successfully registered with the backend
if(sendTestPush)
{
var qs = new Dictionary<string, string>();
qs.Add("athleteId", athlete.Id);
Client.InvokeApiAsync("sendTestPushNotification", null, HttpMethod.Get, qs).Wait();
}
if(athlete.IsDirty || forceSave)
{
var task = SaveAthlete(athlete);
task.Start();
task.Wait();
}
});
}
