[SalesForce] How to pass sobject list to apex from lightning

SaveAccessRequest : function(component, event, helper) {
    var ARLIlist = component.get("v.AccessRequestLineItems");
    var action = component.get("c.getSaveRecord");
    var accessreq = component.get("v.AccessRequest");
    action.setParams({"AR":accessreq,
                     "ARLI":ARLIlist});
    $A.enqueueAction(action);
}

Here "AccessRequestLineItems" & "AccessRequest" is an sobject array & sobject defined on the component. while I invoke this function neither received an error nor the function on apex is invoked. can anyone help me in resolving the issue?

Apex code

 @AuraEnabled
public static void getSaveRecord(Access_Request__c AR,List<Access_Request_Line_Item__c> ARLI){
    system.debug('====>'+ARLI);
    Insert AR;
    system.debug('====>'+ARLI);
    for(Integer i=0; i<ARLI.size(); i++){
        ARLI[i].Access_Request_ID__c = AR.id;
    }
    Insert ARLI;
    system.debug('====>'+ARLI[0].id);

}

Also tried with return type

 @AuraEnabled
public static Access_Request__c getSaveRecord(Access_Request__c AR,List<Access_Request_Line_Item__c> ARLI){
    system.debug('====>'+ARLI);
    Insert AR;
    system.debug('====>'+ARLI);
    for(Integer i=0; i<ARLI.size(); i++){
        ARLI[i].Access_Request_ID__c = AR.id;
    }
    Insert ARLI;
    system.debug('====>'+ARLI[0].id);
    return AR;
}

Best Answer

Take a look at this post. I was able to pass the sobject and sobject array using json.encode util.I have used account sobject for the sake of testing.

Passing a sobject param was/ is causing error in Lightning: https://success.salesforce.com/issues_view?id=a1p300000008XW6AAM

component:

<aura:component controller="Saveaccesscontroller">
    <aura:attribute name="AccountItems" type="Account[]" />
    <aura:attribute name="Accountval" type="Account" default="{ 'sobjectType': 'Account',
                         'Name': 'test'}"/>

     <button type="button" onclick="{!c.SaveAccessRequest}">Click Me!</button> 
</aura:component>

controller: I have queried the account list and passed it to the getReturnValue method in the server side controller. 

({
    SaveAccessRequest : function(component, event, helper) {      
        var ARLIlist = component.get("v.AccountItems");
        var accessreq = component.get("v.Accountval");
        var queryaction = component.get("c.queryRecord");
        queryaction.setCallback(this, function(response) {            
            var state = response.getState();
            if (state === "SUCCESS") {
                component.set("v.AccountItems",response.getReturnValue());
                var action = component.get("c.getSaveRecord");
                action.setParams({"AR":$A.util.json.encode(accessreq),
                                  "ARLI":$A.util.json.encode(component.get("v.AccountItems"))});
                $A.enqueueAction(action);
             }
        });    
        $A.enqueueAction(queryaction);              

        }
})

Apex controller:

Define the param as string and use the convertJSONToListOfSObject method to from the post above to convert the string to list

 public class Saveaccesscontroller {
    @AuraEnabled
    public static void getSaveRecord(String AR,String ARLI){
        system.debug('====>'+ARLI);
         List<SObject> newSObjectsList = convertJSONToListOfSObject(ARLI);
        system.debug('====>'+newSObjectsList);
        system.debug('====>'+AR);
    }
    @AuraEnabled
    public static List<account> queryRecord(){
        return [select id,name from Account limit 5];
    }

     private static List<SObject> convertJSONToListOfSObject(String json) {
        object[] values = (object[])System.JSON.deserializeUntyped(json);

        List<SObject> newSObjectsList = new List<SObject>();
        for (Object v : values) {
            Map<String, Object> m = (Map<String, Object>)v;
            Schema.SObjectType targetType = Schema.getGlobalDescribe().get((String)m.get('sobjectType'));

            SObject o = targetType.newSObject();

            Map<String, Schema.SObjectField> fields = targetType.getDescribe().fields.getMap();
            for (String fieldName : m.keySet()) {
                // Filter out any psuedo fields such as LastNameLocal
                Schema.SObjectField fi = fields.get(fieldName);
                if (fi != null) {
                    if (fi.getDescribe().isCreateable() && fi.getDescribe().isUpdateable()) {
                        o.put(fieldName, m.get(fieldName)); 
                    }
                }
            }

            newSObjectsList.add(o);
        }

        return newSObjectsList;
    }
}

Debug logs:

09:38:31.3 (4142574)|USER_DEBUG|[4]|DEBUG|====>[{"Id":"001d000001xDnrmAAC","Name":"Smith Enterprises"},{"Id":"001d0000026DD5JAAW","Name":"test"},{"Id":"001d000001StO98AAF","Name":"abc"},{"Id":"001d000001StOT1AAN","Name":"abc"},{"Id":"001d000000ySkIvAAK","Name":"TEST"}] 09:38:31.3 (4172328)|STATEMENT_EXECUTE|[5] 09:38:31.3 (4180526)|HEAP_ALLOCATE|[5]|Bytes:44 09:38:31.3 (4189407)|ENTERING_MANAGED_PKG| 09:38:31.3 (4198943)|USER_DEBUG|[5]|DEBUG|====>{"sobjectType":"Account","Name":"test"}

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