client_side.js

// this is how i call service from controller
sessionService.getAllSessions(100, 0).then(function (data) {
      console.log(data);
      $scope.allSessions = data.data;
});

// This is the service layer
 getAllSessions: function (limit, offset) {
    return $http({
        method: "GET",
        url: host.session_manage + '/session/' + limit + '/' + offset
    }).then(function (response) {
        return response.data;
    });
}