public without sharing class OrderListHandler extends Oly_TriggerHandler {

    private Map<Id, Sample_order_list__c> newMap;
    private Map<Id, Sample_order_list__c> oldMap;
    private List<Sample_order_list__c> newList;
    private List<Sample_order_list__c> oldList;

    public OrderListHandler() {
        this.newMap = (Map<Id, Sample_order_list__c>) Trigger.newMap;
        this.oldMap = (Map<Id, Sample_order_list__c>) Trigger.oldMap;
        this.newList = (List<Sample_order_list__c>) Trigger.new;
        this.oldList = (List<Sample_order_list__c>) Trigger.old;
    }

    protected override void afterInsert() {
        changeStaToSent();
    }
    protected override void afterUpdate() {
        changeStaToSent();
    }

    //样本订货单  状态  变为 '订单已发送'  ==>  触发NFM115接口，给SAP发数据
    private  void changeStaToSent(){
        List<String> sOrderList = new List<String>();
        for(Sample_order_list__c orl : newList){
            if(Trigger.isInsert){
                if(orl.Status__c == '订单已发送'){
                    sOrderList.add(orl.Id); 
                }
            }
            if(Trigger.isUpdate){
                if(oldMap.get(orl.Id) != null){
                    Sample_order_list__c oldOrl = oldMap.get(orl.Id);
                    if(orl.Status__c == '订单已发送' && oldOrl.Status__c != '订单已发送'){
                        sOrderList.add(orl.Id);
                    }
                }
            }
        }
        if(sOrderList.size() > 0){
            BatchIF_Log__c iflog = new BatchIF_Log__c();
            iflog.Type__c = 'NFM115';
            iflog.Log__c  = 'callout start\n';
            insert iflog;
            iflog = [Select Id, Name from BatchIF_Log__c where Id = :iflog.Id];                
            NFM115Controller.callout(iflog.Id, sOrderList);
        }
    }

}