Class: DaVinciUSDrugFormularyTestKit::Generator::ValueExactor

Inherits:
Object
  • Object
show all
Defined in:
lib/davinci_us_drug_formulary_test_kit/generator/value_extractor.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(ig_resources, resource, profile_elements) ⇒ ValueExactor

Returns a new instance of ValueExactor.



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# File 'lib/davinci_us_drug_formulary_test_kit/generator/value_extractor.rb', line 6

def initialize(ig_resources, resource, profile_elements)
  self.ig_resources = ig_resources
  self.resource = resource
  self.profile_elements = profile_elements
end

Instance Attribute Details

#ig_resources ⇒ Object

Returns the value of attribute ig_resources.



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# File 'lib/davinci_us_drug_formulary_test_kit/generator/value_extractor.rb', line 4

def ig_resources
  @ig_resources
end

#profile_elements ⇒ Object

Returns the value of attribute profile_elements.



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# File 'lib/davinci_us_drug_formulary_test_kit/generator/value_extractor.rb', line 4

def profile_elements
  @profile_elements
end

#resource ⇒ Object

Returns the value of attribute resource.



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# File 'lib/davinci_us_drug_formulary_test_kit/generator/value_extractor.rb', line 4

def resource
  @resource
end

Instance Method Details

#bound_systems(the_element) ⇒ Object 



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# File 'lib/davinci_us_drug_formulary_test_kit/generator/value_extractor.rb', line 69

def bound_systems(the_element)
  bound_systems_from_valueset(value_set(the_element))
end

#bound_systems_from_valueset(value_set) ⇒ Object 



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# File 'lib/davinci_us_drug_formulary_test_kit/generator/value_extractor.rb', line 73

def bound_systems_from_valueset(value_set)
  value_set&.compose&.include&.map do |include|
    if include.concept.present?
      include
    elsif include.system.present? && include.filter&.empty? # Cannot process intensional value set with filters
      ig_resources.code_system_by_url(include.system)
    elsif include.valueSet.present?
      include.valueSet.map do |vs|
        a_value_set = ig_resources.value_set_by_url(vs)
        bound_systems_from_valueset(a_value_set)
      end
    end
  end&.flatten&.compact
end

#fhir_metadata(current_path) ⇒ Object 



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# File 'lib/davinci_us_drug_formulary_test_kit/generator/value_extractor.rb', line 96

def fhir_metadata(current_path)
  FHIR.const_get(resource)::METADATA[current_path]
end

#value_set(the_element) ⇒ Object 



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# File 'lib/davinci_us_drug_formulary_test_kit/generator/value_extractor.rb', line 65

def value_set(the_element)
  ig_resources.value_set_by_url(value_set_binding(the_element)&.valueSet)
end

#value_set_binding(the_element) ⇒ Object 



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# File 'lib/davinci_us_drug_formulary_test_kit/generator/value_extractor.rb', line 61

def value_set_binding(the_element)
  the_element&.binding
end

#values_from_fixed_codes(profile_element, type) ⇒ Object 



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# File 'lib/davinci_us_drug_formulary_test_kit/generator/value_extractor.rb', line 31

def values_from_fixed_codes(profile_element, type)
  return [] unless type == 'CodeableConcept'

  profile_elements
    .select do |element|
      element.path == "#{profile_element.path}.coding.code" && element.fixedCode.present?
    end
    .map(&:fixedCode)
end

#values_from_pattern_codeable_concept(profile_element, type) ⇒ Object 



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# File 'lib/davinci_us_drug_formulary_test_kit/generator/value_extractor.rb', line 51

def values_from_pattern_codeable_concept(profile_element, type)
  return [] unless type == 'CodeableConcept'

  profile_elements
    .select do |element|
      element.path == profile_element.path && element.patternCodeableConcept.present? && element.min.positive?
    end
    .map { |element| element.patternCodeableConcept.coding.first.code }
end

#values_from_pattern_coding(profile_element, type) ⇒ Object 



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# File 'lib/davinci_us_drug_formulary_test_kit/generator/value_extractor.rb', line 41

def values_from_pattern_coding(profile_element, type)
  return [] unless type == 'CodeableConcept'

  profile_elements
    .select do |element|
      element.path == "#{profile_element.path}.coding" && element.patternCoding.present?
    end
    .map { |element| element.patternCoding.code }
end

#values_from_required_binding(profile_element) ⇒ Object 



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# File 'lib/davinci_us_drug_formulary_test_kit/generator/value_extractor.rb', line 20

def values_from_required_binding(profile_element)
  return [] unless profile_element&.max == '*'

  profile_elements
    .select do |element|
      element.path == profile_element.path && element.binding&.strength == 'required'
    end
    .map { |element| values_from_value_set_binding(element) }
    .flatten.compact
end

#values_from_resource_metadata(paths) ⇒ Object 



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# File 'lib/davinci_us_drug_formulary_test_kit/generator/value_extractor.rb', line 100

def values_from_resource_metadata(paths)
  values = []

  paths.each do |current_path|
    current_metadata = fhir_metadata(current_path)

    values += current_metadata['valid_codes'].values.flatten if current_metadata&.dig('valid_codes').present?
  end

  values
end

#values_from_slicing(profile_element, type) ⇒ Object 



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# File 'lib/davinci_us_drug_formulary_test_kit/generator/value_extractor.rb', line 12

def values_from_slicing(profile_element, type)
  (
    values_from_fixed_codes(profile_element, type) +
    values_from_pattern_coding(profile_element, type) +
    values_from_pattern_codeable_concept(profile_element, type)
  ).uniq
end

#values_from_value_set_binding(the_element) ⇒ Object 



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# File 'lib/davinci_us_drug_formulary_test_kit/generator/value_extractor.rb', line 88

def values_from_value_set_binding(the_element)
  bound_systems = bound_systems(the_element)

  return [] if bound_systems.blank?

  bound_systems.flat_map { |system| system.concept.map(&:code) }.uniq
end