public PictureVO GetOrSavePicture(string url, string quality)
{
if (url == null)
{
return(null);
}
var picture = _repository.GetAll().FirstOrDefault(c => c.Url.Equals(url));
if (picture != null)
{
return(picture);
}
if (quality == null)
{
quality = "SD";
}
picture = new PictureVO
{
Url = url,
Quality = quality
};
_repository.Save(picture);
return(picture);
}
