googlePlusService.js

app.service("googlePlusService", function($http, $rootScope) {
  return {
    start: function() {
      console.log('start');
      this.renderGooglePlusButton();
    },

    renderGooglePlusButton: function() {
      console.log('render sign in button');
      gapi.signin.render('signInButton',
        {
          'scope': "email",
          'clientid': "397019550339-16ihtl6aj49rglqv9adh1knqrn4hrn1p.apps.googleusercontent.com",
          'callback': "processGooglePlusAuth",
          'theme': "dark",
          'cookiepolicy': "single_host_origin"
        }
      );
    },

    processGooglePlusAuth: function(authResult) {
      console.log('process auth');
      console.log('isUserSignedIn: ' + authResult['status']['signed_in']);
      if (authResult['status']['signed_in']) {
        //sign the user into the dashboard
        gapi.client.load('plus', 'v1', function () {
          console.log('in the plus email call');
          var request = gapi.client.plus.people.get({
            'userId': 'me'
          });

          var response;
          request.execute(function (resp) {
            response = resp;
            var primaryEmail;
            if(resp.emails != undefined){
              resp.emails.forEach(function(email){
                if(email.type == 'account'){
                  primaryEmail = email.value;
                }
              });
            }
            console.log('google plus email:' + primaryEmail);
            console.log('Retrieved profile for:' + resp.displayName);
            console.log('image at:' + resp.image.url);
            console.log('google plus id:' + resp.id);
          });

          this.foo();
        });

        //create the user in our db
        //redirect them to the dashboard every time they are on the login page
      }
      else{
        //Redirect the user back to the login url with a message of ?
      }
    },

    foo: function(){

    }
  }
});