Datamapper DataMapper

Hi Dear DataMapper Developers,

I am using data_mapper ORM for my new project. I found a weird behavior in this framework --- The validations will be executed before the before hooks.

For instance:
I have a model with UUID key

class User
  property :id, String, :key => true
  property :name, String, :required => true

  before :create, :set_uuid_to_id

  private
  def set_uuid_to_id
    self.id = MyUUIDGenerator.gen
  end
end

So when I try to run:

u = User.new(:name => 'hao')
u.save

It will return false(Because id is key and it can not be blank. So validation will fail)

I digged in sourcecode. I found dm-validations will execute the validations before these hooks.
So the workflow now is:

• validate
• before stuff
• save
• after stuff

But I think the correct workflow should be:

• before stuff
• validate
• save
• after stuff

What do you think?

Thanks,
Hao.