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class GraphqlAttribute
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attr_reader :resource_class
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def self.for(resource_class)
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new(resource_class: resource_class)
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end
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def initialize(resource_class:)
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@resource_class = resource_class
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end
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def required?(attribute)
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return false unless resource_class
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return true if resource_class.columns_hash[attribute.to_s]&.null == false
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return true if resource_class.validators_on(attribute).find do |validator|
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validator.is_a?(ActiveModel::Validations::PresenceValidator) && ([:if, :unless] & validator.options.keys).none?
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end
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reflection = resource_class.reflect_on_association(attribute)
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return true if reflection && reflection.macro == :belongs_to && required?(reflection.foreign_key)
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false
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end
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end
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