On Apr 23, 5:23 am, Kane <[email protected]> wrote:
> Yes, plugin wasn't included
> This code works, but the way the whole thing works isn't obvious for
> me…
>
> require 'sequel'
> require 'sequel/plugins/validation_helpers'
>
> class MyModel < Sequel::Model
> include Sequel::Plugins::ValidationHelpers::InstanceMethods
> def validates
> validates_length_range 3..5000, :data
> end
> end
>
> Why ValidationHelpers module have not any methods and i should include
> InstanceMethods?
You are supposed to use it with Model.plugin:
class MyModel < Sequel::Model
plugin :validation_helpers
def validate
super
validates_length_range 3..5000, :data
end
end
In most cases where validation is desired, you want it on all of your
models, so you'd do:
Sequel::Model.plugin :validation_helpers
after requiring sequel. Then you don't have to add the plugin in
every model class.
Jeremy
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