On Friday, April 19, 2019 at 12:12:39 AM UTC+9, shreko wrote:
>
> I like to use roda's :json plugin for sending JSON API Data where we just
> send Array/Hash as output of a route. But, in order to take advantage of
> Sequel Models and associations, I end up with arrays of models and
> associated models.
> For example:
>
> plugin :json, :classes => [Array, Hash, Sequel::Model]
>
> r.get "eager_test" do
> jobs = Job.where(:id => [100254,100255]).eager(:job_items).all
> @rs[:jobs] = jobs.map do |v|
> h = v.to_hash
> h[:job_items] = v.job_items.map {|ji| ji.to_hash}
> h
>
> end
> @rs
> end
>
> This works as expected, but I am just wondering if there is a better way
> to do it, without looping thru. Even though Sequel::Model is specified in
> :json plugin options, it wouldn't convert Array of models to proper json
> output, just pure models I guess.
>
Array#to_json should call #to_json on all elements of the array, so an
array of Sequel::Model instances should work, as long as you use the Sequel
json_serializer plugin in the related models.
Thanks,
Jeremy
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