/// <summary>
/// 根据业务实体对象返回对应的视图模型
/// </summary>
/// <param name="boId"></param>
/// <returns></returns>
public ArticleTypeVM GetVM(ArticleType bo)
{
var boVM = new ArticleTypeVM();
_BoMapToVM(bo, boVM);
return(boVM);
}
/// <summary>
/// 业务对象的属性转换为视图对象的属性
/// </summary>
/// <param name="bo"></param>
private void _BoMapToVM(ArticleType bo, ArticleTypeVM boVM)
{
boVM.Id = bo.Id;
boVM.Name = bo.Name;
boVM.Description = bo.Description;
boVM.SortCode = bo.SortCode;
if (bo.ParentType != null)
{
boVM.ParentItemID = bo.ParentType.Id.ToString();
boVM.ParentItemName = bo.ParentType.Name;
}
}
/// <summary>
/// 将视图对象的数据，映射为业务对象数据，进行持久化处理
/// </summary>
/// <returns></returns>
public async Task <bool> SaveBo(ArticleTypeVM boVM)
{
var bo = _boRepository.GetSingle(boVM.Id, r => r.ParentType);
if (bo == null)
{
bo = new ArticleType();
}
await _VMMapToBo(bo, boVM);
var saveResult = await _boRepository.AddOrEditAndSaveAsyn(bo);
return(saveResult);
}
/// <summary>
/// 视图对象的属性转换为业务对象的属性
/// </summary>
/// <param name="bo"></param>
private async Task _VMMapToBo(ArticleType bo, ArticleTypeVM boVM)
{
bo.Id = boVM.Id;
bo.Name = boVM.Name;
bo.Description = boVM.Description;
bo.SortCode = boVM.SortCode;
if (!String.IsNullOrEmpty(boVM.ParentItemID))
{
bo.ParentType = await _boRepository.GetSingleAsyn(Guid.Parse(boVM.ParentItemID));
}
else
{
bo.ParentType = bo;
}
}
/// <summary>
/// 根据业务实体对象 Id 返回对应的视图模型
/// </summary>
/// <param name="boId"></param>
/// <returns></returns>
public ArticleTypeVM GetVM(Guid id)
{
var boVM = new ArticleTypeVM();
// 初始化数据对象
var bo = _boRepository.GetSingle(id, x => x.ParentType);
if (bo == null)
{
bo = new ArticleType();
boVM.IsNew = true;
}
else
{
boVM.IsNew = false;
}
// 映射基本的属性值
_BoMapToVM(bo, boVM);
// 设置供前端下拉选项所需要的数据集合
SetRelevanceItems(boVM);
return(boVM);
}
/// <summary>
/// 设置用于前端页面需要的关联数据选项
/// </summary>
public void SetRelevanceItems(ArticleTypeVM boVM)
{
boVM.ParentItemCollection = SelfReferentialItemFactory <ArticleType> .GetCollection(_boRepository, true);
}