That was embarrassingly easy. Thank you!
On Jun 30, 8:51 pm, Chris Van Pelt <[email protected]> wrote:
> validates_present :author
>
>
>
> On Tue, Jun 30, 2009 at 6:34 PM, robs<[email protected]> wrote:
>
> > For example:
>
> > class Person
> > include DataMapper::Resource
>
> > property :id, Integer, :serial => true
> > property :first_name, String, :nullable => false
> > property :last_name, String
>
> > has n :posts
> > end
>
> > class Post
> > include DataMapper::Resource
>
> > property :id, Integer, :serial => true
> > property :title, String, :nullable => false
> > property :body, Text
>
> > belongs_to :author, :class_name => "Person"
> > end
>
> > What would be the best way to validate the presence of an author when
> > a post is saved? I noticed that the documentation says that some
> > validations are automatically inferred (e.g., if :nullable => false
> > or :length is specified). Is there any way to include this validation
> > in the belongs_to method call? If not, what would anyone suggest?
>
> > Thanks!
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