public async Task <GetBookForEditOutput> GetForEdit(NullableIdDto <long> input)
{
var output = new GetBookForEditOutput();
BookEditDto editDto;
// 已选中的标签Id
List <long> bookTagIds = null;
// 所有标签
var allbookTag = (await _bookTagManager.GetAll()).MapTo <List <BookTagSelectListDto> >();
if (input.Id.HasValue)
{
var entity = await _entityRepository.GetAsync(input.Id.Value);
editDto = entity.MapTo <BookEditDto>();
bookTagIds = (await _bookAndBookTagRelationshipManager.GetByBookId(input.Id.Value))
.Select(o => o.BookTagId)
.ToList();
foreach (var bookTag in allbookTag)
{
if (bookTagIds.Exists(o => o == bookTag.Id))
{
bookTag.IsSelected = true;
}
}
}
else
{
editDto = new BookEditDto();
}
output.Book = editDto;
output.BookTags = allbookTag;
return(output);
}
public async Task <GetBookForEditOutput> GetForEdit(NullableIdDto <long> input)
{
var output = new GetBookForEditOutput();
BookEditDto editDto;
List <long> tagIds = null;
//获取所有标签
//哪些是选择了的，哪些是没有选择的
var booktagListDtos = (await _bookTagManager.GetAll()).MapTo <List <BookTagSelectListDto> >();
if (input.Id.HasValue)
{
var entity = await _entityRepository.GetAsync(input.Id.Value);
editDto = entity.MapTo <BookEditDto>();
//bookEditDto = ObjectMapper.Map<List<bookEditDto>>(entity);
tagIds = (await _entityManager.GetTagsByBookId(entity.Id)).Select(a => a.BookTagId).ToList();
foreach (var bookTag in booktagListDtos)
{
if (tagIds.Exists(a => a == bookTag.Id))
{
bookTag.IsSelected = true;
}
}
}
else
{
editDto = new BookEditDto();
}
output.Book = editDto;
output.BookTags = booktagListDtos;
return(output);
}