Show loading page when saving model data

@mtangoo wrote:

I have Route action that gets data from Component and saves it to the API server. Sometimes network is slow and I want to show message to user that app have not hangs, something is being done. Now since am basically in the same route, I guess there is no transition and so the conventional "loading" wisdom does not help here.

What can I do to show loading template when the waiting for model below to resolve or reject?

Thanks

The Code

export default Ember.Route.extend({  
    actions:{
        signUp(userInfo){  
            this.user = this.store.createRecord('user', userInfo); 
            this.user.save().then(function(){ // 
            }, function(error){ //error     
            }).catch(function(err) { 
            });  
        }
    }, 
});

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