I want to generate a token for firebase cloud messaging ( push
Notifications)
The filter code:
app. factory('Notification', function($rootScope,$q) {
var Service = {};
Service.getTokenKey = getTokenKey;
Service.getFirebaseToken = getFirebaseToken;
const messaging = firebase.messaging();
function getTokenKey(){
messaging.requestPermission()
.then(function() {
console.log('Notification permission granted.');
getFirebaseToken();
})
.catch(function(err) {
console.log('Unable to get permission to notify.', err);
});
}
function getFirebaseToken(){
var token = messaging.getToken();
return token;
}
return Service;
})
Controller Code:
Notification.getFirebaseToken().then(function(res) {
$scope.token = res;
console.log('CALLED', res);
MyService.registertoken({"token":[$scope.token]})
.then(function (response) {
});
});
After the User Logged in window will appear for subscription "permission"
after allowing the value of "res" is undefined later it will call
registertoken(null)
after that i am getting a token , it will hit a end point "subscribe" later i
will get a token in Json form. how do i wait for token generate and it will
return a
promise will resolved state. now i am getting a promise with "pending" state
and its values is undefined.
workaround for the above problem:
$timeout(function(){
Notification.getFirebaseToken().then(function(res) {
$scope.token = res;
console.log('CALLED', res);
myService.registerToken({"token":[$scope.token]})
.then(function (response) {
});
});
},1000)
Same thing I tried with above code . User Logs in later he all get window for
"subscription" permission after allowing i am getting a token later it will call
registerToken(token) and able to register that token to the database . now the
question is here the token generating end point "subscribe" calling two times
why??
is this correct way doing ?? suggest me other ways without using the time out
function.
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