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Contents
module USCoreTestKit
module FHIRResourceNavigation
DAR_EXTENSION_URL = 'http://hl7.org/fhir/StructureDefinition/data-absent-reason'.freeze
def resolve_path(elements, path)
elements = Array.wrap(elements)
return elements if path.blank?
paths = path.split('.')
segment = paths.first
remaining_path = paths.drop(1).join('.')
elements.flat_map do |element|
child = get_next_value(element, segment)
resolve_path(child, remaining_path)
end.compact
end
def find_a_value_at(element, path, include_dar: false)
return nil if element.nil?
elements = Array.wrap(element)
if path.empty?
unless include_dar
elements = elements.reject do |el|
el.respond_to?(:extension) && el.extension.any? { |ext| ext.url == DAR_EXTENSION_URL}
end
end
return elements.find { |el| yield(el) } if block_given?
return elements.first
end
path_segments = path.split('.')
segment = path_segments.shift.delete_suffix('[x]').to_sym
no_elements_present =
elements.none? do |element|
child = get_next_value(element, segment)
child.present? || child == false
end
return nil if no_elements_present
remaining_path = path_segments.join('.')
elements.each do |element|
child = get_next_value(element, segment)
element_found =
if block_given?
find_a_value_at(child, remaining_path, include_dar: include_dar) { |value_found| yield(value_found) }
else
find_a_value_at(child, remaining_path, include_dar: include_dar)
end
return element_found if element_found.present? || element_found == false
end
nil
end
def get_next_value(element, property)
element.send(property)
rescue NoMethodError
nil
end
end
end
Version data entries
13 entries across 13 versions & 1 rubygems