private void AddBlogTag(Blog blog, List <string> tags)
{
if (blog.Id > 0)
{
_blogTagRepository.DeleteMulti(x => x.BlogId == blog.Id);
}
else
{
blog.BlogTags = new List <BlogTag>();
}
if (tags.Count > 0)
{
foreach (var newTag in tags)
{
var tag = new BlogTag();
tag.Tag = newTag;
blog.BlogTags.Add(tag);
}
}
}