Root Query - Sinatra App http://bit.ly/2V9p6OL

query.rb

require 'graphql'
require_relative 'types/speaker'

class QueryType < GraphQL::Schema::Object
  description "The query root of this schema"

  field :speakers, [Types::Speaker], null: false do
    description 'Get all speakers of the system'
  end

  def speakers
    Speaker.all
  end
end