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package cn.ibizlab.util.aspect;
import cn.ibizlab.util.annotation.DEField;
import cn.ibizlab.util.domain.EntityBase;
import cn.ibizlab.util.enums.DEFieldDefaultValueType;
import cn.ibizlab.util.enums.DEPredefinedFieldType;
import cn.ibizlab.util.helper.DEFieldCacheMap;
import cn.ibizlab.util.security.AuthenticationUser;
import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;
import org.springframework.core.annotation.Order;
import org.springframework.stereotype.Component;
import org.springframework.util.AlternativeJdkIdGenerator;
import org.springframework.util.ObjectUtils;
import org.springframework.util.StringUtils;
import java.sql.Timestamp;
import java.util.Date;
import java.util.List;
import java.util.Map;
/**
* 实体属性默认值切面，只有新建（Create）时才会填充默认值
*/
@Aspect
@Order(50)
@Component
public class DEFieldDefaultValueAspect
{
/**
* 新建数据切入点
* @param point
* @throws Exception
*/
@Before(value = "execution(* cn.ibizlab.core.*.service.*.create(..))")
public void BeforeCreate(JoinPoint point) throws Exception {
fillDEFieldDefaultValue(point);
}
@Before(value = "execution(* cn.ibizlab.core.*.service.*.createBatch(..))")
public void BeforeCreateBatch(JoinPoint point) throws Exception {
fillDEFieldDefaultValue(point);
}
/**
* 更新数据切入点
* @param point
* @throws Exception
*/
@Before(value = "execution(* cn.ibizlab.core.*.service.*.update(..))")
public void BeforeUpdate(JoinPoint point) throws Exception {
fillDEFieldDefaultValue(point);
}
@Before(value = "execution(* cn.ibizlab.core.*.service.*.updateBatch(..))")
public void BeforeUpdateBatch(JoinPoint point) throws Exception {
fillDEFieldDefaultValue(point);
}
/**
* 保存数据切入点
* @param point
* @throws Exception
*/
@Before(value = "execution(* cn.ibizlab.core.*.service.*.save(..))")
public void BeforeSave(JoinPoint point) throws Exception {
fillDEFieldDefaultValue(point);
}
@Before(value = "execution(* cn.ibizlab.core.*.service.*.saveBatch(..))")
public void BeforeSaveBatch(JoinPoint point) throws Exception {
fillDEFieldDefaultValue(point);
}
/**
* 填充属性默认值
* @param joinPoint
* @return
* @throws Exception
*/
public Object fillDEFieldDefaultValue(JoinPoint joinPoint) throws Exception {
Object[] args = joinPoint.getArgs();
if (args.length > 0) {
Object obj = args[0];
String actionName=joinPoint.getSignature().getName();
if(obj instanceof EntityBase) {
Map<String, DEField> deFields = DEFieldCacheMap.getDEFields(obj.getClass());
AuthenticationUser curUser = AuthenticationUser.getAuthenticationUser();
String keyField=DEFieldCacheMap.getDEKeyField(obj.getClass());
if(StringUtils.isEmpty(keyField))
return true;
fillDEField((EntityBase)obj, deFields,actionName,curUser,keyField);
}
else if (obj instanceof List) {
Map<String, DEField> deFields = null;
AuthenticationUser curUser = null;
String keyField = "";
for(Object item:(List)obj) {
if(item instanceof EntityBase) {
if(deFields==null) {
deFields = DEFieldCacheMap.getDEFields(item.getClass());
curUser = AuthenticationUser.getAuthenticationUser();
keyField=DEFieldCacheMap.getDEKeyField(item.getClass());
if(StringUtils.isEmpty(keyField))
return true;
}
fillDEField((EntityBase)item, deFields,actionName,curUser,keyField);
}
}
}
}
return true;
}
/**
* 填充系统预置属性
* @param et 当前实体对象
*/
private void fillDEField(EntityBase et, Map<String, DEField> deFields, String actionName,AuthenticationUser curUser,String keyField) throws Exception {
if(deFields.size()==0)
return ;
if(actionName.toLowerCase().startsWith("save")) {
if(ObjectUtils.isEmpty(et.get(keyField)))
actionName="create";
}
for (Map.Entry<String, DEField> entry : deFields.entrySet()) {
String fieldname=entry.getKey();
//获取注解
DEField fieldAnnotation=entry.getValue();
//获取默认值类型
DEFieldDefaultValueType deFieldType=fieldAnnotation.defaultValueType();
//获取属性默认值
String deFieldDefaultValue = fieldAnnotation.defaultValue();
//获取预置属性类型
DEPredefinedFieldType predefinedFieldType = fieldAnnotation.preType();
//填充系统默认值
if(actionName.toLowerCase().startsWith("create") && ( deFieldType!= DEFieldDefaultValueType.NONE || (!StringUtils.isEmpty(deFieldDefaultValue)) )){
fillFieldDefaultValue(fieldname, deFieldType, deFieldDefaultValue, et , curUser) ;
}
//填充系统预置属性
if(predefinedFieldType != DEPredefinedFieldType.NONE){
fillPreFieldValue( fieldname, predefinedFieldType , et ,actionName ,fieldAnnotation.logicval(),curUser);
}
}
}
/**
* 填充属性默认值
* @param fieldname 实体属性名
* @param deFieldType 默认值类型
* @param deFieldDefaultValue 默认值
* @param et 当前实体对象
* @throws Exception
*/
private void fillFieldDefaultValue(String fieldname , DEFieldDefaultValueType deFieldType,String deFieldDefaultValue,EntityBase et ,AuthenticationUser curUser) throws Exception {
Object fieldValue = et.get(fieldname);
if(org.springframework.util.ObjectUtils.isEmpty(fieldValue)){
//填充直接值及其余默认值类型
if( (deFieldType== DEFieldDefaultValueType.NONE && !StringUtils.isEmpty(deFieldDefaultValue)) || (deFieldType != DEFieldDefaultValueType.NONE) ){
switch(deFieldType){
case SESSION:
if(!StringUtils.isEmpty(deFieldDefaultValue)){
Object sessionFieldValue = curUser.getSessionParams().get(deFieldDefaultValue.toLowerCase());
if(!ObjectUtils.isEmpty(sessionFieldValue)){
et.set(fieldname,sessionFieldValue);
}
}
break;
case APPLICATION:
//暂未实现
break;
case UNIQUEID:
et.set(fieldname,(new AlternativeJdkIdGenerator()).generateId().toString().replace("-", ""));
break;
case CONTEXT:
if(!StringUtils.isEmpty(deFieldDefaultValue)){
Object paramFieldValue=et.get(deFieldDefaultValue);
if(!ObjectUtils.isEmpty(paramFieldValue)){
et.set(fieldname,paramFieldValue);
}
}
break;
case PARAM:
if(!StringUtils.isEmpty(deFieldDefaultValue)){
Object paramFieldValue=et.get(deFieldDefaultValue);
if(!ObjectUtils.isEmpty(paramFieldValue)){
et.set(fieldname,paramFieldValue);
}
}
break;
case OPERATOR:
et.set(fieldname,curUser.getUserid());
break;
case OPERATORNAME:
et.set(fieldname,curUser.getPersonname());
break;
case CURTIME:
et.set(fieldname,new Timestamp(new Date().getTime()));
break;
case APPDATA:
//暂未实现
break;
case NONE:
et.set(fieldname,deFieldDefaultValue);
break;
}
}
}
}
private void fillPreFieldValue(String fieldname , DEPredefinedFieldType preFieldType ,EntityBase et , String actionName,String logicValue ,AuthenticationUser curUser) throws Exception {
Object fieldValue = et.get(fieldname);
//为预置属性进行赋值
if( actionName.equalsIgnoreCase("create")||
preFieldType== DEPredefinedFieldType.UPDATEDATE|| preFieldType== DEPredefinedFieldType.UPDATEMAN||
preFieldType== DEPredefinedFieldType.UPDATEMANNAME){
switch(preFieldType){//根据注解给预置属性填充值
case CREATEMAN:
et.set(fieldname,curUser.getUserid());
break;
case CREATEMANNAME:
et.set(fieldname,curUser.getPersonname());
break;
case UPDATEMAN:
et.set(fieldname,curUser.getUserid());
break;
case UPDATEMANNAME:
et.set(fieldname,curUser.getPersonname());
break;
case CREATEDATE:
et.set(fieldname,new Timestamp(new Date().getTime()));
break;
case UPDATEDATE:
et.set(fieldname,new Timestamp(new Date().getTime()));
break;
case ORGID:
if(org.springframework.util.StringUtils.isEmpty(fieldValue))
et.set(fieldname,curUser.getOrgid());
break;
case ORGNAME:
if(org.springframework.util.StringUtils.isEmpty(fieldValue))
et.set(fieldname,curUser.getOrgname());
break;
case ORGSECTORID:
if(org.springframework.util.StringUtils.isEmpty(fieldValue))
et.set(fieldname,curUser.getMdeptid());
break;
case ORGSECTORNAME:
if(org.springframework.util.StringUtils.isEmpty(fieldValue))
et.set(fieldname,curUser.getMdeptname());
break;
case LOGICVALID:
if(StringUtils.isEmpty(logicValue)){
logicValue="1";
}
et.set(fieldname,logicValue);
break;
}
}
}
}