public static bool MakePhotoMain(int photoId)
{
var photo = PhotosDAL.GetPhoto(photoId);
if (photo == null)
{
return(false);
}
var allPhotos = PhotosDAL.GetPhotos(photo.AdId.Value);
if (!allPhotos.Any())
{
return(false);
}
foreach (var photoNotMain in allPhotos.GroupBy(p => p.GroupId).Select(g => g.FirstOrDefault()).ToList())
{
PhotosDAL.UpdateIsMainGroup(photoNotMain.GroupId, false);
}
PhotosDAL.UpdateIsMainGroup(photo.GroupId, true);
return(true);
}
