public double GetRating(Photo photo)
{
int rating = 0, count = 0;
foreach(var r in photo.Raitings)
{
rating += r.Value;
count++;
}
return count == 0 ? 0 : (double)rating / count;
}
public void UpdateOrAdd(Rating rating, Photo photo)
{
Rating r = photo.Raitings.FirstOrDefault(rt=>rt.User == rating.User);
if (r != null)
{
r.Value = rating.Value;
db.Entry(r).State = EntityState.Modified;
}
else
photo.Raitings.Add(rating);
}
public void CreateNewPhoto(IEnumerable<byte[]> photos, string albumName, string login)
{
User user = unitOfWork.Users.GetByLogin(login);
Album album = user.Albums.FirstOrDefault(a => a.Name == albumName);
Tag tag = unitOfWork.Tags.GetDefoultTag();
if (album != null)
{
foreach (var photoByte in photos)
{
Photo p = new Photo { Image = photoByte, Album = album };
unitOfWork.Photos.Create(p);
tag.Photos.Add(p);
}
}
unitOfWork.Save();
}
public int GetRatingPhotoUsers(Photo photo, User user)
{
Rating r = photo.Raitings.FirstOrDefault(re => re.User == user);
return r == null ? 0 : r.Value;
}
