Class: HealthDataStandards::Import::BulkRecordImporter

Inherits:
Object
  • Object
show all
Defined in:
lib/health-data-standards/import/bulk_record_importer.rb

Class Method Summary collapse

Class Method Details

.import(xml_data, provider_map = {}) ⇒ Object 



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# File 'lib/health-data-standards/import/bulk_record_importer.rb', line 49

def self.import(xml_data, provider_map = {})
  doc = Nokogiri::XML(xml_data)
  
  providers = []
  root_element_name = doc.root.name
  
  if root_element_name == 'ClinicalDocument'
    doc.root.add_namespace_definition('cda', 'urn:hl7-org:v3')
    doc.root.add_namespace_definition('sdtc', 'urn:hl7-org:sdtc')

    if doc.at_xpath("/cda:ClinicalDocument/cda:templateId[@root='2.16.840.1.113883.3.88.11.32.1']")
      patient_data = C32::PatientImporter.instance.parse_c32(doc)
    elsif doc.at_xpath("/cda:ClinicalDocument/cda:templateId[@root='2.16.840.1.113883.10.20.22.1.2']")
      patient_data = CCDA::PatientImporter.instance.parse_ccda(doc)
    elsif doc.at_xpath("/cda:ClinicalDocument/cda:templateId[@root='2.16.840.1.113883.10.20.24.1.2']")
      patient_data = Cat1::PatientImporter.instance.parse_cat1(doc)
    else
      STDERR.puts("Unable to determinate document template/type of CDA document")
      return {status: 'error', message: "Document templateId does not identify it as a C32 or CCDA", status_code: 400}
    end
    
    begin
      providers = CDA::ProviderImporter.instance.extract_providers(doc)
    rescue Exception => e
      STDERR.puts "error extracting providers"
    end
  else
    return {status: 'error', message: 'Unknown XML Format', status_code: 400}
  end

  record = Record.update_or_create(patient_data)
  record.provider_performances = providers
  providers.each do |prov| 
    prov.provider.ancestors.each do |ancestor|
      record.provider_performances.push(ProviderPerformance.new(start_date: prov.start_date, end_date: prov.end_date, provider: ancestor))  
    end
  end
  record.save
  
  {status: 'success', message: 'patient imported', status_code: 201, record: record}

end

.import_archive(file) ⇒ Object 



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# File 'lib/health-data-standards/import/bulk_record_importer.rb', line 31

def self.import_archive(file) 
  Zip::ZipFile.open(file.path) do |zipfile|
    zipfile.entries.each do |entry|
      next if entry.directory?
      xml = zipfile.read(entry.name)
      begin
        BulkRecordImporter.import(xml)
      rescue Exception => e
        failed_dir = File.join(file.dirname, 'failed_imports')
        unless(Dir.exists?(failed_dir))
          Dir.mkdir(failed_dir)
        end
        FileUtils.cp(file, failed_dir)
      end
    end
  end
end

.import_directory(source_dir) ⇒ Object 



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# File 'lib/health-data-standards/import/bulk_record_importer.rb', line 6

def self.import_directory(source_dir)

  xml_files = Dir.glob(File.join(source_dir, '*.*'))
  xml_files.each do |file|
    begin
      
      result = RecordImporter.import(File.new(file).read, provider_map)
      
      if (result[:status] == 'success') 
        record = result[:record]
        record.save
      else 
        assert result[:message]
      end
      
    rescue Exception => e
      failed_dir = File.join(source_dir, '../', 'failed_imports')
      unless(Dir.exists?(failed_dir))
        Dir.mkdir(failed_dir)
      end
      FileUtils.cp(file, failed_dir)
    end
  end
end