class HealthDataStandards::SVS::ValueSet
Public Class Methods
extract_categories(vs_element)
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# File lib/health-data-standards/models/svs/value_set.rb, line 59 def self.extract_categories(vs_element) category_hash = Hash.new {|h,k| h[k]=[]} groups_with_categories = vs_element.xpath("//vs:Group/@ID[../@displayName='CATEGORY']") groups_with_categories.each do |group_number| measure = vs_element.xpath("//vs:Group[@displayName='CMS eMeasure ID' and @ID='#{group_number}']/vs:Keyword").text categories_for_group = vs_element.xpath("//vs:Group[@displayName='CATEGORY' and @ID='#{group_number}']/vs:Keyword") categories_for_group.each do |category| category_hash[measure] << category.text end end category_hash.size > 0 ? category_hash : nil end
extract_concepts(vs_element)
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# File lib/health-data-standards/models/svs/value_set.rb, line 49 def self.extract_concepts(vs_element) concepts = vs_element.xpath("//vs:Concept").collect do |con| code_system_name = HealthDataStandards::Util::CodeSystemHelper::CODE_SYSTEMS[con["codeSystem"]] || con["codeSystemName"] Concept.new(code: con["code"], code_system_name: code_system_name, code_system_version: con["codeSystemVersion"], display_name: con["displayName"], code_system: con["codeSystem"]) end end
load_from_xml(doc)
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# File lib/health-data-standards/models/svs/value_set.rb, line 38 def self.load_from_xml(doc) doc.root.add_namespace_definition("vs","urn:ihe:iti:svs:2008") vs_element = doc.at_xpath("/vs:RetrieveValueSetResponse/vs:ValueSet|/vs:RetrieveMultipleValueSetsResponse/vs:DescribedValueSet") if vs_element vs = ValueSet.new(oid: vs_element["ID"], display_name: vs_element["displayName"], version: vs_element["version"]) vs.concepts = extract_concepts(vs_element) vs.categories = extract_categories(vs_element) return vs end end
Public Instance Methods
code_set_map()
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Provides an Array of Hashes. Each code system gets its own Hash The hash has a key of “set” for the code system name and “values” for the actual code list
# File lib/health-data-standards/models/svs/value_set.rb, line 25 def code_set_map codes = [] self.concepts.inject({}) do |memo, concept| memo[concept.code_system_name] ||= [] memo[concept.code_system_name] << concept.code memo end.each_pair do |code_set, code_list| codes << {"set" => code_set, "values" => code_list} end codes end