private void _VMMapToBo(CourseItem bo, CourseItemVM boVM)
{
bo.Id = boVM.Id;
bo.Name = boVM.Name;
bo.Description = boVM.Description;
bo.SortCode = boVM.SortCode;
}
private void _BoMapToVM(CourseItem bo, CourseItemVM boVM)
{
boVM.Id = bo.Id;
boVM.Name = bo.Name;
boVM.Description = bo.Description;
boVM.SortCode = bo.SortCode;
if (bo.ParentCourseItem != null)
{
boVM.ParentCourseItemId = bo.ParentCourseItem.Id.ToString();
boVM.ParentCourseItemName = bo.ParentCourseItem.Name;
}
if (bo.Course != null)
{
boVM.CourseId = bo.Course.Id.ToString();
boVM.CourseName = bo.Course.Name;
}
if (bo.CourseItemContent != null)
{
boVM.CourseItemContentID = bo.CourseItemContent.Id.ToString();
boVM.CourseItemContentName = bo.CourseItemContent.Name;
}
if (bo.Creator != null)
{
boVM.CreatorUserID = bo.Creator.Id.ToString();
boVM.CreatorUserName = bo.Creator.UserName;
}
}
public async Task <CourseItemVM> GetVM(Guid boId, Guid courseID)
{
var boVM = new CourseItemVM();
// 初始化数据对象
var bo = _boRepository.GetSingle(boId, x => x.ParentCourseItem, y => y.Course, w => w.CourseItemContent, z => z.Creator);
if (bo == null)
{
bo = new CourseItem();
bo.Course = _courseRepository.GetSingle(courseID);
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
await SetTypeItems(boVM, courseID);
return(boVM);
}
/// <summary>
/// 设置与传入的视图模型相关的关联元素的集合值
/// </summary>
/// <param name="boVM"></param>
/// <param name="courseID"></param>
/// <returns></returns>
public async Task SetTypeItems(CourseItemVM boVM, Guid courseID)
{
var boCollection = await _boRepository.GetAllAsyn(y => y.Course.Id == courseID);
boVM.ParentCourseItemCollection = SelfReferentialItemFactory <CourseItem> .GetCollection(boCollection.OrderBy(x => x.SortCode).ToList(), true);
boVM.CourseItemCollection = PlainFacadeItemFactory <Course> .Get(_courseRepository);
}
public async Task <bool> SaveBo(CourseItemVM boVM)
{
var bo = _boRepository.GetSingle(boVM.Id, y => y.Course, z => z.CourseItemContent);
if (bo == null)
{
bo = new CourseItem();
}
_VMMapToBo(bo, boVM);
if (!String.IsNullOrEmpty(boVM.ParentCourseItemId))
{
bo.ParentCourseItem = _boRepository.GetSingle(Guid.Parse(boVM.ParentCourseItemId));
}
else
{
bo.ParentCourseItem = bo;
}
if (!String.IsNullOrEmpty(boVM.CourseId))
{
bo.Course = _courseRepository.GetSingle(Guid.Parse(boVM.CourseId));
}
else
{
bo.Course = _courseRepository.GetAll().FirstOrDefault();
}
if (!String.IsNullOrEmpty(boVM.CourseItemContentID) && bo.CourseItemContent == null)
{
bo.CourseItemContent = _courseItemContentRepository.GetSingle(Guid.Parse(boVM.CourseItemContentID));
}
if (!String.IsNullOrEmpty(boVM.CreatorUserID))
{
bo.Creator = await _userManager.FindByIdAsync(boVM.CreatorUserID);
}
// 检查和创建缺省的单元内容
if (bo.CourseItemContent == null)
{
bo.CourseItemContent = new CourseItemContent()
{
Name = bo.Name
}
}
;
else
{
bo.CourseItemContent.Name = bo.Name;
}
var saveResult = await _boRepository.AddOrEditAndSaveAsyn(bo);
return(saveResult);
}