public virtual async Task <string> GetNextChildCodeAsync(Guid?parentId)
{
var lastChild = await GetLastChildOrNullAsync(parentId);
if (lastChild != null)
{
return(CodeNumberGenerator.CalculateNextCode(lastChild.Code));
}
var parentCode = parentId != null
? await GetCodeOrDefaultAsync(parentId.Value)
: null;
return(CodeNumberGenerator.AppendCode(
parentCode,
CodeNumberGenerator.CreateCode(1)
));
}
public virtual async Task <DataDto> CreateAsync(DataCreateDto input)
{
var data = await DataRepository.FindByNameAsync(input.Name);
if (data != null)
{
throw new UserFriendlyException(L["DuplicateData", input.Name]);
}
string code = string.Empty;
var children = await DataRepository.GetChildrenAsync(input.ParentId);
if (children.Any())
{
var lastChildren = children.OrderBy(x => x.Code).FirstOrDefault();
code = CodeNumberGenerator.CalculateNextCode(lastChildren.Code);
}
else
{
var parentData = input.ParentId != null
? await DataRepository.GetAsync(input.ParentId.Value)
: null;
code = CodeNumberGenerator.AppendCode(parentData?.Code, CodeNumberGenerator.CreateCode(1));
}
data = new Data(
GuidGenerator.Create(),
input.Name,
code,
input.DisplayName,
input.Description,
input.ParentId,
CurrentTenant.Id
);
data = await DataRepository.InsertAsync(data);
await CurrentUnitOfWork.SaveChangesAsync();
return(ObjectMapper.Map <Data, DataDto>(data));
}