AsteroidsListHelper.js

({
    //Fetch the asteroids from the Apex controller
    getAsteroidList: function(component) {
        var action = component.get("c.getAsteroids");
        var fromDateInput = component.find("fromDate");
        var fromDateValue = fromDateInput.get("v.value");
        
        var toDateInput = component.find("toDate");
        var toDateValue = toDateInput.get("v.value");
        
        //Set the default dates if first time load.
        if(!fromDateValue || !toDateValue)
        {
            var today = new Date();
            component.set('v.fromDate', today.getFullYear() + "-" + (today.getMonth()+1) + "-" + today.getDate());
            component.set('v.toDate', today.getFullYear() + "-" + (today.getMonth()+1) + "-" + (today.getDate() + 2));
        }
        
        
        //alert('fromDateValue is ' + fromDateValue + ':' + 'toDateValue is ' + toDateValue);  
        
        action.setParams({          
            "toDate" : toDateValue,
            "fromDate" : fromDateValue
        });
        //Set up the callback
        var self = this;
        //alert('Am here');
        action.setCallback(this, function(actionResult) {
            if(actionResult.getState()==='SUCCESS')
            {
                component.set("v.asteroids", actionResult.getReturnValue());  
            }
            else if(actionResult.getState()==='ERROR')
            {
                var errors = action.getError();
                
                if (errors) {
                    
                    if (errors[0] && errors[0].message) {
                        
                        // System Error
                        
                        component.set("v.message", errors[0].message);
                        
                    } 
                }
                
            }
                
                //var obj1 = actionResult.getReturnValue();
                //for(var property in obj1) {
                //console.log(property + "=" + obj1[property]);
                //}
            });
            $A.enqueueAction(action);
            
        }   
 })