// ***********************************************************************
// Assembly : Infrastructure
// Author : Yubao Li
// Created : 11-23-2015
//
// Last Modified By : Yubao Li
// Last Modified On : 11-23-2015
// ***********************************************************************
// <copyright file="ObjectHelper.cs" company="">
// Copyright (c) . All rights reserved.
// </copyright>
// <summary>
//对象COPY/初始化帮助,通常是防止从视图中传过来的对象属性为空,这其赋初始值
//</summary>
// ***********************************************************************

using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using System.Text;
using System.Threading.Tasks;

namespace Infrastructure
{
 public static class ObjectHelper
 {
 public static T CopyTo<T>(this object source) where T:class, new()
 {
 var result = new T();
 source.CopyTo(result);
 return result;
 }
 
 public static void CopyTo<T>(this object source, T target)
 where T : class,new()
 {
 if (source == null)
 return;

 if (target == null)
 {
 target = new T();
 }

 foreach (var property in target.GetType().GetProperties())
 {
 var propertyValue = source.GetType().GetProperty(property.Name).GetValue(source, null);
 if (propertyValue != null)
 {
 if (propertyValue.GetType().IsClass)
 {

 }
 target.GetType().InvokeMember(property.Name, BindingFlags.SetProperty, null, target, new object[] { propertyValue });
 }

 }

 foreach (var field in target.GetType().GetFields())
 {
 var fieldValue = source.GetType().GetField(field.Name).GetValue(source);
 if (fieldValue != null)
 {
 target.GetType().InvokeMember(field.Name, BindingFlags.SetField, null, target, new object[] { fieldValue });
 }
 }
 }
 }
}