Class: Inferno::DSL::FHIREvaluation::Rules::AllDefinedExtensionsHaveExamples

Inherits:
Inferno::DSL::FHIREvaluation::Rule show all
Defined in:
lib/inferno/dsl/fhir_evaluation/rules/all_defined_extensions_have_examples.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#unused_extensions ⇒ Object

Returns the value of attribute unused_extensions.



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# File 'lib/inferno/dsl/fhir_evaluation/rules/all_defined_extensions_have_examples.rb', line 8

def unused_extensions
  @unused_extensions
end

#used_extensions ⇒ Object

Returns the value of attribute used_extensions.



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# File 'lib/inferno/dsl/fhir_evaluation/rules/all_defined_extensions_have_examples.rb', line 8

def used_extensions
  @used_extensions
end

Instance Method Details

#check(context) ⇒ Object 



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# File 'lib/inferno/dsl/fhir_evaluation/rules/all_defined_extensions_have_examples.rb', line 10

def check(context)
  @used_extensions = context.data.map { |e| extension_urls(e) }.flatten.uniq
  @unused_extensions = []

  get_unused_extensions(context.ig.extensions) do |extension|
    next true if extension.context.any? do |ctx|
      # Skip extensions that are defined for definitional artifacts.
      # For example, US Core's uscdi-requirement extension is applied to
      # the profiles and extensions of the IG, not data that conforms to the IG.
      # There may eventually be cases where SD/ED are data, so this may become configurable.
      ctx.expression == 'StructureDefinition' || ctx.expression == 'ElementDefinition'
    end

    versioned_url = "#{extension.url}|#{extension.version}"
    used_extensions.include?(extension.url) || used_extensions.include?(versioned_url)
  end

  if unused_extensions.any?
    message = "Found defined extensions in the IG without examples: \n\t #{unused_extensions.join(', ')}"
    result = EvaluationResult.new(message, rule: self)
  else
    message = 'All defined extensions in the IG have examples.'
    result = EvaluationResult.new(message, severity: 'success', rule: self)
  end

  context.add_result result
end

#extension_urls(resource) ⇒ Object 



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# File 'lib/inferno/dsl/fhir_evaluation/rules/all_defined_extensions_have_examples.rb', line 38

def extension_urls(resource)
  urls = []
  resource.each_element do |value, _metadata, path|
    path_elements = path.split('.')
    next unless path_elements.length > 1

    urls << value if path_elements[-2].include?('extension') && path_elements[-1] == 'url'
  end
  urls.uniq
end

#get_unused_extensions(extensions, &extension_filter) ⇒ Object 



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# File 'lib/inferno/dsl/fhir_evaluation/rules/all_defined_extensions_have_examples.rb', line 49

def get_unused_extensions(extensions, &extension_filter)
  extensions.each do |extension|
    unused_extensions.push extension.url unless extension_filter.call(extension)
  end
end