Class: HQMF::DocumentConverter

Inherits:
Object
  • Object
show all
Defined in:
lib/hqmf-parser/converter/pass1/document_converter.rb

Overview

Class for converting an HQMF 1.0 representation to an HQMF 2.0 representation

Constant Summary collapse

BIRTHTIME_CODE_LIST = 
{'LOINC'=>['21112-8']}

Class Method Summary collapse

Class Method Details

.convert(json, codes) ⇒ Object 



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# File 'lib/hqmf-parser/converter/pass1/document_converter.rb', line 7

def self.convert(json, codes)
  
  title = json[:title]
  description = json[:description]
  
  # TODO: Investigate why we never use json[:attributes]
  metadata = json[:metadata]
  metadata.keys.each {|key| metadata[key.to_s] = metadata[key]; metadata.delete(key.to_sym)}
  id = metadata["NQF_ID_NUMBER"][:value] if metadata["NQF_ID_NUMBER"]
  emeasure_id = metadata['EMEASURE_IDENTIFIER'][:value] if metadata['EMEASURE_IDENTIFIER']
  attributes = parse_attributes(metadata)
  hqmf_id = json[:hqmf_id]
  hqmf_set_id = json[:hqmf_set_id]
  hqmf_version_number = json[:hqmf_version_number]
  cms_id = "CMS#{emeasure_id}v#{hqmf_version_number}"
  
  measure_period = parse_measure_period(json)
  @data_criteria_converter = DataCriteriaConverter.new(json, measure_period)
  
  # source data criteria are the original unmodified v2 data criteria
  source_data_criteria = []
  @data_criteria_converter.v2_data_criteria.each {|criteria| source_data_criteria << criteria}
  
  # PASS 1
  @population_criteria_converter = PopulationCriteriaConverter.new(json, @data_criteria_converter)
  population_criteria = @population_criteria_converter.population_criteria
  
  # PASS 2
  comparison_converter = HQMF::ComparisonConverter.new(@data_criteria_converter)
  comparison_converter.convert_comparisons(population_criteria)

  # PASS 3
  # specific_occurrence_converter = HQMF::SpecificOccurrenceConverter.new(@data_criteria_converter)
  # specific_occurrence_converter.convert_specific_occurrences(population_criteria)

  data_criteria = @data_criteria_converter.final_v2_data_criteria
  
  populations = @population_criteria_converter.sub_measures
  
  doc = HQMF::Document.new(id, hqmf_id, hqmf_set_id, hqmf_version_number, cms_id, title, description, population_criteria, data_criteria, source_data_criteria, attributes, measure_period, populations)
   
  HQMF::DocumentConverter.validate(doc, codes) if codes
  
  doc
  
end