private static dynamic CreateMessage(PushNotificationRequest pushNotification)
{
dynamic message = new ExpandoObject();
message.registration_ids = new[] { pushNotification.RegistrationId };
message.priority = "high";
const string soundName = "default";
// REF Firebase Cloud Messaging (FCM)
// https://firebase.google.com/docs/cloud-messaging/concept-options
// Use notification messages when you want FCM to handle displaying a notification on your client app's behalf.
// Use data messages when you want to process the messages on your client app.
// Common fields for iOS and Android
// message.notification.title
// message.notification.body
// message.data
switch (pushNotification.Platform)
{
case PushNotificationPlatform.IOS:
// Use notification message
message.notification = new
{
title = pushNotification.Title,
body = pushNotification.Body,
sound = soundName,
};
break;
case PushNotificationPlatform.Android: // Work for start up code block and get push in background
// Use data message
message.data = new Dictionary <string, object>()
{
{ "title", pushNotification.Title },
{ "body", pushNotification.Body },
{ "soundname", soundName },
// Just dump property to show that we need to use snake case naming.
// If we use camel case, the data won't sent.
{ "transaction_id", 1 },
{ "additionalData", "other" } // This field won't sent
};
break;
default:
throw new InvalidOperationException("Invalid registration platform");
}
return(message);
}
public void SendPushNotifcation_ValidRequest_PushNotficationSentSuccessfully()
{
var pushNotification = new PushNotificationRequest()
{
Title = "Push message",
Body = "FCM push message, credit admin Pong Codesanook",
RegistrationId = registrationId,
Platform = PushNotificationPlatform.Android
};
var response = SendPushNotification(pushNotification);
Assert.True(response.Success);
}
private PushNotificationResponse SendPushNotification(PushNotificationRequest pushNotification)
{
var message = CreateMessage(pushNotification);
var request = CreateRequest();
var payloadData = Encoding.UTF8.GetBytes(JsonConvert.SerializeObject(message));
request.ContentLength = payloadData.Length;
WebResponse response;
using (var requestStream = request.GetRequestStream())
{
requestStream.Write(payloadData, 0, payloadData.Length);
response = request.GetResponse();
}
var responseCode = ((HttpWebResponse)response).StatusCode;
switch (responseCode)
{
case HttpStatusCode.OK:
using (var reader = new StreamReader(response.GetResponseStream()))
{
var responseContent = reader.ReadToEnd();
return(JsonConvert.DeserializeObject <PushNotificationResponse>(responseContent));
}
case HttpStatusCode.Unauthorized:
case HttpStatusCode.Forbidden:
throw new InvalidOperationException("Unauthorized - need a new token");
default:
// TODO need to log more exception information
throw new InvalidOperationException($"Response from web service with status code {responseCode}");
}
}