private async Task <string> createWindowsRegistration(Registration clientRegistration, ISet <string> tags)
{
string newId = string.Empty;
// Register either a standard toast notification using templates or a raw noative notification
// depending on what is requested buy the client.
switch (clientRegistration.Type)
{
case "toast":
var template =
@"<toast>
<visual>
<binding template=""ToastText04"">
<text id=""1"">{'Northwind data was ' + $(operation) + '...'}</text>
<text id=""2"">{'Feed: ' + $(feed)}</text>
<text id=""3"">{'Entity: ' + $(entity)}</text>
</binding>
</visual>
</toast>";
// Register for the templated toast notification, and return the ID.
newId = clientRegistration.RegistrationId =
(await hubClient.CreateWindowsTemplateRegistrationAsync(
clientRegistration.ChannelUri, template, tags)).RegistrationId;
break;
case "auto-update":
// Register for the raw notification used by auto-updates, and return the ID.
newId = clientRegistration.RegistrationId = (await hubClient.CreateWindowsNativeRegistrationAsync(
clientRegistration.ChannelUri, tags)).RegistrationId;
break;
default:
throw new DataServiceException("Unexpected notification type.");
}
return(newId);
}
public async Task <RegistrationDescription> Post([FromBody] JObject registrationCall)
{
// Get the registration info that we need from the request.
var platform = registrationCall["platform"].ToString();
var installationId = registrationCall["instId"].ToString();
var channelUri = registrationCall["channelUri"] != null
? registrationCall["channelUri"].ToString()
: null;
var deviceToken = registrationCall["deviceToken"] != null
? registrationCall["deviceToken"].ToString()
: null;
var registrationId = registrationCall["registrationId"] != null
? registrationCall["registrationId"].ToString()
: null;
var userName = HttpContext.Current.User.Identity.Name;
// Get registrations for the current installation ID.
var regsForInstId = await _hubClient.GetRegistrationsByTagAsync(installationId, 100);
bool updated = false;
bool firstRegistration = true;
RegistrationDescription registration = null;
// Check for existing registrations.
foreach (var registrationDescription in regsForInstId)
{
if (firstRegistration)
{
// Update the tags.
registrationDescription.Tags = new HashSet <string> {
installationId, userName
};
// We need to handle each platform separately.
switch (platform)
{
case "windows":
var winReg = registrationDescription as WindowsRegistrationDescription;
if (winReg != null)
{
if (channelUri != null)
{
winReg.ChannelUri = new Uri(channelUri);
}
registration = await _hubClient.UpdateRegistrationAsync(winReg);
}
break;
case "android":
var gcmReg = registrationDescription as GcmRegistrationDescription;
if (gcmReg != null)
{
gcmReg.GcmRegistrationId = registrationId;
registration = await _hubClient.UpdateRegistrationAsync(gcmReg);
}
break;
case "ios":
var iosReg = registrationDescription as AppleRegistrationDescription;
if (iosReg != null)
{
iosReg.DeviceToken = deviceToken;
registration = await _hubClient.UpdateRegistrationAsync(iosReg);
}
break;
}
updated = true;
firstRegistration = false;
}
else
{
// We shouldn't have any extra registrations; delete if we do.
await _hubClient.DeleteRegistrationAsync(registrationDescription);
}
}
// Create a new registration.
if (!updated)
{
string template;
switch (platform)
{
case "windows":
template = @"<toast><visual><binding template=""ToastText01""><text id=""1"">$(message)</text></binding></visual></toast>";
await _hubClient.CreateWindowsTemplateRegistrationAsync(channelUri, template, new string[] { installationId, userName });
break;
case "android":
template = "{\"data\":{\"message\":\"$(message)\"}}";
registration = await _hubClient.CreateGcmTemplateRegistrationAsync(registrationId, template, new[] { installationId, userName });
break;
case "ios":
template = "{\"aps\":{\"alert\":\"$(message)\"}, \"inAppMessage\":\"$(message)\"}";
await _hubClient.CreateAppleTemplateRegistrationAsync(deviceToken, template, new string[] { installationId, userName });
break;
}
}
// Send out a test notification.
SendNotification(string.Format("Test notification for {0}", userName), userName);
return(registration);
}
