public ComplexUserAvatarModel SaveUserAvatar(Guid userId, byte[] avatarBlob)
{
using (var context = new UserAvatarContext())
{
var existingAvatar = context.Objects.FirstOrDefault(model => model.ParentId == userId);
if (existingAvatar == null)
{
var newAvatar = new ComplexUserAvatarModel
{
ParentId = userId,
AvatarBlob = avatarBlob,
LastModified = DateTime.Now
};
context.Objects.Add(newAvatar);
}
else
{
existingAvatar.AvatarBlob = avatarBlob;
existingAvatar.LastModified = DateTime.Now;
}
context.SaveChanges();
return(existingAvatar);
}
}
public static void AcceptProperties(this ComplexUserAvatarModel acceptor, ComplexUserAvatarModel donor)
{
if (acceptor.Id != donor.Id)
{
throw new InvalidOperationException($"Avatar id mismatch");
}
if (acceptor.ParentId != donor.ParentId)
{
throw new InvalidOperationException($"Avatar parent id mismatch");
}
acceptor.AvatarBlob = donor.AvatarBlob;
acceptor.LastModified = DateTime.Now;
}
public ComplexUserAvatarModel SaveUserAvatar(ComplexUserAvatarModel avatarModel)
{
using (var context = new UserAvatarContext())
{
var existingAvatar = context.Objects.FirstOrDefault(model => model.ParentId == avatarModel.ParentId);
if (existingAvatar == null)
{
context.Objects.Add(avatarModel);
}
else
{
existingAvatar.AcceptProperties(avatarModel);
}
context.SaveChanges();
return(existingAvatar);
}
}
