public async Task <CreateNewShortUrlCommandResponse> Handle(CreateNewShortUrlCommand request, CancellationToken cancellationToken)
{
var slug = request.ShortUrl.Slug;
if (!string.IsNullOrEmpty(slug))
{
var url = await _repository.Get(slug);
if (url != null)
{
return(new CreateNewShortUrlCommandResponse()
{
IsConflict = true, ConflictMessage = $"Slug '{url.Slug}' is in use"
});
}
}
if (string.IsNullOrEmpty(slug))
{
var xeger = new Xeger("[a-z0-9]{5}", new Random());
slug = xeger.Generate();
}
request.ShortUrl.Slug = slug.ToLower();
var res = await _repository.Create(request.ShortUrl);
return(new CreateNewShortUrlCommandResponse()
{
ShortUrl = res
});
}
/// <summary>
/// 删除短网址
/// </summary>
/// <param name="alias">短网址别名</param>
public void Delete(string alias)
{
if (string.IsNullOrEmpty(alias))
{
return;
}
ShortUrlEntity entity = shortUrlRepository.Get(alias);
if (entity != null)
{
EventBus <ShortUrlEntity> .Instance().OnBefore(entity, new CommonEventArgs(EventOperationType.Instance().Delete()));
shortUrlRepository.Delete(entity);
EventBus <ShortUrlEntity> .Instance().OnAfter(entity, new CommonEventArgs(EventOperationType.Instance().Delete()));
}
}
public async Task <ApplicationResponse <List <ShortUrlResponseDto> > > List()
{
var currentUser = await GetCurrentUser();
var shortUrlList = _shortUrlRepository
.Get(x => x.User.Company.Id == currentUser.Company.Id)
.OrderByDescending(o => o.CreatedAt)
.ToList();
var responseList = shortUrlList.Select(UrlShortMapper.Map).ToList();
return(new ApplicationResponse <List <ShortUrlResponseDto> >(responseList));
}
public async Task <string> Handle(GetUrlBySlugQuery request, CancellationToken cancellationToken)
{
var shortUrl = await _repository.Get(request.Slug);
return(shortUrl == null ? $"https://dlg-sh.herokuapp.com/err?slug={request.Slug}" : shortUrl.Url);
}