On Monday, March 5, 2018 at 12:59:05 PM UTC-7, Jeremy Evans wrote:
>
> On Monday, March 5, 2018 at 10:56:33 AM UTC-8, James wrote:
>>
>> Hi,
>>
>> I'm looking for an example as to how to use the validate_associated
>> plugin. Here's an example of what I'm trying to do.
>>
>> class Address < Sequel::Model
>> plugin :validation_helpers
>>
>> many_to_one :sales_order, key: :link_no, primary_key: :order_no
>>
>> def validate
>> super
>> validates_presence :name
>> end
>> end
>>
>> class SalesOrder < Sequel::Model
>> plugin :validation_helpers
>> plugin :validate_associated
>>
>> one_to_one :shipping_address, class: Address, conditions: {addr_type:
>> 'S'}, key: :link_no, primary_key: :order_no
>>
>> private
>>
>> def validate
>> super
>> validates_presence [..., ..., ...]
>> end
>> end
>>
>> so = SalesOrder[1234]
>> so.shipping_address.name = nil
>> so.valid? # true (expected false because shipping_address.name is not
>> present)
>>
>
> The plugin itself does not change behavior, it merely adds the
> Model#validate_associated_object method that can be called to validate the
> associated object. I can see where the current documentation is lacking in
> how to use it directly, it was mostly decided for use by other plugins such
> as nested_attributes and delay_add_association. I'll update the
> documentation shortly to provide a clearer example of usage.
>
>
Thank you! The new documentation is much more helpful. :)
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