private async Task SaveTags(List <String> newTags, Post post)
{
await RemoveOldTags(newTags, post);
await AddNewTags(newTags, post);
}
private async Task <string> RenameUrlIfItAlreadyExistAsync(Guid blogId, string url, Post existingPost = null)
{
var postList = await _postRepository.GetListAsync();
if (postList.Where(p => p.Url == url).WhereIf(existingPost != null, p => existingPost.Id != p.Id).Any())
{
return(url + "-" + Guid.NewGuid().ToString().Substring(0, 5));
}
return(url);
}