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public with sharing class ALIA_SM_ServiceAppointmentItinerario {
    public ALIA_SM_ServiceAppointmentItinerario() {
        public static void ItinerarioAgganciato(List<ServiceAppointment> listNew, List<ServiceAppointment> listOld)
        {
            //Dichiarazione liste
            List<id> MainAssignedResource = new list<id>(); 
            List<AssignedResource> AssignedResourceList = new list<AssignedResource>();
            List<AssignedResource> AssignedResourceValid = new list<AssignedResource>();
            List<id> ParentRecordIdList = new list<id>();
            List<WorkOrder> WorkOrderList = new list<WorkOrder>(); 
            List<id> ParentWorkOrderIdList = new list<id>();
            List<WorkOrder> ParentWorkOrderList = new list<WorkOrder>();
            list<WorkOrder> ParentWorkOrderToUpdate = new list<WorkOrder>();

            integer SchedTime;

            for(ServiceAppointment sa : listNew)
            {
                MainAssignedResource.add(sa.ALIA_MainAssignedResource__c);
            }

            //Query per recuperare le assigned resource i cui ServiceResourceId rientrano nei SA triggerati 
            AssignedResourceList = [SELECT id, ServiceAppointment.ParentRecordId, ServiceAppointment.SchedStartTime, ServiceAppointment.SchedEndTime, ServiceResourceId FROM AssignedResource WHERE ServiceResourceId in : MainAssignedResource];

            SchedTime = 10;
            ALIA_FieldServiceSettings__c cs = ALIA_FieldServiceSettings__c.getInstance('DefaultValues');
            if(cs != null && cs.ALIA_SchedTime__c != null && !String.isEmpty(cs.ALIA_SchedTime__c))
            {
                SchedTime = cs.ALIA_SchedTime__c;
            }

            for(AssignedResource ar : AssignedResourceList)
            {
                for(ServiceAppointment satrigger : listNew)
                {
                    if(ar.ServiceResourceId == satrigger.ALIA_MainAssignedResource__c)
                    {
                        if( (ar.ServiceAppointment.SchedStartTime > (satrigger.SchedStartTime.addMinutes(- SchedTime)) && 
                            ar.ServiceAppointment.SchedStartTime < (satrigger.EndStartTime.addMinutes(SchedTime))) || 
                            (ar.ServiceAppointment.SchedEndTime > (satrigger.SchedStartTime.addMinutes(- SchedTime)) && 
                            ar.ServiceAppointment.SchedEndTime < (satrigger.EndStartTime.addMinutes(SchedTime))))
                        {
                            AssignedResourceValid.add(ar);
                            ParentRecordIdList.add(satrigger.ParentRecordId);
                        }
                    }
                }
            }

            WorkOrderList = [SELECT id, ALIA_IDOrdineSAPFather__c, ParentWorkOrderId FROM WorkOrder WHERE id in : ParentRecordIdList];
            for(WorkOrder wo : WorkOrderList)
            {
                ParentWorkOrderIdList.add(wo.ParentWorkOrderId)
            }

            ParentWorkOrderList = [SELECT id, ALIA_IDOrdineSAP__c FROM WorkOrder WHERE id in : ParentWorkOrderIdList];
            for(WorkOrder wo : WorkOrderList)
            {
                for(WorkOrder pwo : ParentWorkOrderList)
                {
                    if(wo.ParentWorkOrderId == pwo.id)
                    {
                        pwo.ALIA_IDOrdineSAP__c = ALIA_IDOrdineSAPFather__c;
                        ParentWorkOrderToUpdate.add(pwo);
                    }
                }
            }
            if(ParentWorkOrderToUpdate.size()>0)
            {
                Database.update(ParentWorkOrderToUpdate);  //DA RIVEDERE
            }
        }
    }
}