public async Task <ICollection <Tag> > AddOrUpdateTags(string[] tags)
{
var tagEntities = new List <Tag>();
foreach (var tag in tags)
{
var tagEntity = await _tagRepository.Query().FirstOrDefaultAsync(x => x.Content == tag);
if (tagEntity == null)
{
tagEntity = await _tagRepository.AddAsync(new Tag()
{
Content = tag
});
}
}
await _tagRepository.CommitAsync();
tagEntities = tags.Select(x => _tagRepository.Query().FirstOrDefault(y => y.Content == x)).ToList();
return(tagEntities);
}
