public async Task <TagOutput> CreateTagAsync(TagInput input)
{
if (await IsTagNameBusyAsync(input.Name))
{
throw TagException.NameIsBusy(input.Name);
}
var tag = new Tag(input.Name);
await _tagRepository.SaveAsync(tag);
return(new TagOutput(tag));
}
public async Task <TagOutput> UpdateTagAsync(Guid tagId, TagInput input)
{
var tag = await _tagRepository.FindByIdAsync(tagId);
if (null == tag)
{
throw NotFoundException <Tag> .WithId(tagId);
}
if (await IsTagNameBusyAsync(input.Name))
{
throw TagException.NameIsBusy(input.Name);
}
tag.Name = input.Name;
return(new TagOutput(tag));
}
