({
doInit : function(component, event){
  var action = component.get("c.getStatus");
  var currentId = component.get("v.recordId");
    action.setParams({
        recordId : currentId
    });
    console.log(currentId);

  action.setCallback(this, function(response){
    var state = response.getState();
    if (component.isValid() && state === "SUCCESS"){
        $A.log(response);
      component.set("v.currentStep", response.getReturnValue());
    }
    else {
      console.log("Failed with state" + state);
    }
  })
  $A.enqueueAction(action);
},

onStepChange : function(component, event) {
    var action = component.get("c.saveStatus");

    var currentId = component.get("v.recordId");
      action.setParams({
        recordId : currentId
        });

    action.setCallback(this, function(response){
      var state = response.getState();

      if(component.isValid() && state === "SUCCESS"){
        var currentStep = component.get("v.currentStep");
        component.set(currentStep, response.getReturnValue());
      }
      else {
        console.log("Failed with state" + state);
      }
    })
    $A.enqueueAction(action)
}})

public with sharing class ApexController {

@AuraEnabled
public static list<Object__c> getStatus(Id recordId){

    return[SELECT Id, status__c FROM Object__c WHERE Id=:recordId];
}

@AuraEnabled
public static Object__c saveStatus(Object__c newStatus){
    upsert newStatus;
    return newStatus;
}