On Friday, July 29, 2016 at 9:35:56 AM UTC-7, [email protected] wrote:
>
> I have a model with a serialized column of data, and I need to make sure
> that certain fields exist in the serialized data depending on different
> criteria (I'm using the enum plugin for status)
>
> class Order < Sequel::Model
> enum :status, [:draft, :submitted, :approved]
> plugin :serialization
> serialize_attributes :json, :sales_line
>
>
> def validate
> super
> validates_presence :sales_line unless draft?
> # How can I validate that the sales lines also have a "sales_qty"
> attribute?
> end
>
> end
>
> Basically, inside my serialized data of sales lines I have some fields.
> Based on the order status I need to make sure that these fields are present:
>
> - "sales_qty" must be filled in unless the order is a draft
> - "approved_qty" must be filled in if the order is approved
>
I would think you would just add the following to validate:
errors.add(:sales_qty, "Not filled in") if !draft? && && (!sales_line
|| !sales_line['sales_qty'])
errors.add(:approve_qty, "Not filled in") if approved? && (!sales_line
|| !sales_line['approved_qty'])
Assuming you added getter methods for sales_qty and approve_qty, you could
probably use validates_presence, similar to how you are doing for
sales_line itself.
Thanks,
Jeremy
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