// Notification request to Firebase
public async Task <bool> SendNotification(FCMBody fcmBody)
{
HttpClient client = new HttpClient();
var httpContent = JsonConvert.SerializeObject(fcmBody);
// Server key for authorization
var authorization = string.Format("key={0}", "AAAA_V-6Iio:APA91bF5-SIIcue9XdaALtO1is8Vlkk2PUVn9Z21LaeYurCI0y0s-1ZNtDA6ZxsMPpzTqM1Lh0uEf1SH-PBMIhOODp6sOY7v7PUOLBqyt-H3PcvbC4-mPmcaUH2Xk52ermtqvNua7vIH");
client.DefaultRequestHeaders.TryAddWithoutValidation("Authorization", authorization);
// Notification content to Firebase API in JSON format
StringContent stringContent = new StringContent(httpContent);
stringContent.Headers.ContentType = new System.Net.Http.Headers.MediaTypeHeaderValue("application/json");
HttpResponseMessage response = await client.PostAsync("https://fcm.googleapis.com/fcm/send", stringContent);
if (response.IsSuccessStatusCode)
{
return(true);
}
else
{
return(false);
}
}
// Build notification
public async Task <bool> HandleNotification()
{
IsItMyTurnContext context = new IsItMyTurnContext();
string nextApartmentInShift = GetApartmentForNextShift();
// Title and body for notification
FCMNotification notification = new FCMNotification();
notification.title = "Leikkuuvuoro vaihtui!";
notification.body = "Seuraavana vuorossa: " + nextApartmentInShift;
notification.sound = "default";
// Tokens to array from database which will get the notification
string[] fcmTokens = (from ft in context.FcmTokens
select ft.Token).ToArray();
List <bool> successList = new List <bool>();
// The notification is sent to device and the result will be added to list of successes
foreach (var token in fcmTokens)
{
FCMBody body = new FCMBody();
body.registration_ids = new string[] { token };
body.notification = notification;
bool result = await SendNotification(body);
successList.Add(result);
}
// If all the notification send responses are OK, return true
bool allTrue = successList.All(s => Equals(true, s));
if (allTrue)
{
return(true);
}
else
{
return(false);
}
}