Class: HQMF2::Generator::ErbContext

Inherits:
OpenStruct
  • Object
show all
Defined in:
lib/hqmf-generator/hqmf-generator.rb

Overview

Utility class used to supply a binding to Erb. Contains utility functions used by the erb templates that are used to generate the HQMF document.

Instance Method Summary collapse

Constructor Details

#initialize(vars) ⇒ ErbContext

Returns a new instance of ErbContext.



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# File 'lib/hqmf-generator/hqmf-generator.rb', line 27

def initialize(vars)
  super(vars)
  @local_var_names = {}
  @local_var_counter = {}
end

Instance Method Details

#code_for_characteristic(characteristic) ⇒ Object 



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# File 'lib/hqmf-generator/hqmf-generator.rb', line 240

def code_for_characteristic(characteristic)
  case characteristic
  when :birthtime
    '21112-8'
  when :age
    '424144002'
  when :gender
    '263495000'
  when :languages
    '102902016'
  when :maritalStatus
    '125680007'
  when :race
    '103579009'
  else
    raise "Unknown demographic code [#{characteristic}]"
  end
end

#data_criteria_should_be_grouper?(criteria) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/hqmf-generator/hqmf-generator.rb', line 193

def data_criteria_should_be_grouper?(criteria)
  return false unless criteria
  return false unless criteria.definition == 'derived'
  return true unless criteria.subset_operators
  criteria.subset_operators.all? {|o| o.supports_grouper_criteria?}
end

#data_criteria_template_name(data_criteria) ⇒ Object 



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# File 'lib/hqmf-generator/hqmf-generator.rb', line 276

def data_criteria_template_name(data_criteria)
  case data_criteria.definition
  when 'diagnosis', 'diagnosis_family_history'
    'condition_criteria'
  when 'encounter' 
    'encounter_criteria'
  when 'procedure', 'risk_category_assessment', 'physical_exam', 'communication_from_patient_to_provider', 'communication_from_provider_to_provider', 'device', 'diagnostic_study', 'intervention'
    if data_criteria.value.nil?
      'procedure_criteria'
    else
      'observation_criteria'
    end
  when 'medication'
    case data_criteria.status
    when 'dispensed', 'ordered'
      'supply_criteria'
    else # active or administered
      'substance_criteria'
    end
  when 'patient_characteristic', 'patient_characteristic_birthdate', 'patient_characteristic_clinical_trial_participant', 'patient_characteristic_expired', 'patient_characteristic_gender', 'patient_characteristic_age', 'patient_characteristic_languages', 'patient_characteristic_marital_status', 'patient_characteristic_race'
    'characteristic_criteria'
  when 'variable'
    'variable_criteria'
  when 'derived'
    if data_criteria_should_be_grouper?(data_criteria)
      'grouper_criteria'
    else
      'observation_criteria'
    end
  else
    'observation_criteria'
  end
end

#element_name_prefix(data_criteria) ⇒ Object 



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# File 'lib/hqmf-generator/hqmf-generator.rb', line 314

def element_name_prefix(data_criteria)
  type = data_criteria ? data_criteria.type : :observation
  case type
  when :encounters
    'encounter'
  when :procedures
    'procedure'
  when :medications, :allMedications
    'substanceAdministration'
  when :medication_supply
    'supply'
  else
    if data_criteria_should_be_grouper?(data_criteria)
      'grouper'
    else
      'observation'
    end
  end
end

#expression_for_observation(doc, observation) ⇒ Object 



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# File 'lib/hqmf-generator/hqmf-generator.rb', line 189

def expression_for_observation(doc,observation)
  "NOT IMPLEMENTED"
end

#get_binding ⇒ Binding

Get a binding that contains all the instance variables

Returns:

  • (Binding) 


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# File 'lib/hqmf-generator/hqmf-generator.rb', line 35

def get_binding
  binding
end

#is_transfer(code) ⇒ Object 



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# File 'lib/hqmf-generator/hqmf-generator.rb', line 259

def is_transfer(code)
  if code == "TRANSFER_TO" || code == "TRANSFER_FROM"
    true
  else
    false
  end
end

#oid_for_characteristic(characteristic) ⇒ Object 



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# File 'lib/hqmf-generator/hqmf-generator.rb', line 267

def oid_for_characteristic(characteristic)
  case characteristic
  when :birthtime
    '2.16.840.1.113883.6.1'
  else
    '2.16.840.1.113883.6.96'
  end
end

#oid_for_name(code_system_name) ⇒ Object 



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# File 'lib/hqmf-generator/hqmf-generator.rb', line 200

def oid_for_name(code_system_name)
  HealthDataStandards::Util::CodeSystemHelper.oid_for_code_system(code_system_name)
end

#population_element_prefix(population_criteria_code) ⇒ Object 



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# File 'lib/hqmf-generator/hqmf-generator.rb', line 334

def population_element_prefix(population_criteria_code)
  case population_criteria_code
  when HQMF::PopulationCriteria::IPP
    'initialPopulation'
  when HQMF::PopulationCriteria::DENOM
    'denominator'
  when HQMF::PopulationCriteria::NUMER
    'numerator'
  when HQMF::PopulationCriteria::DENEXCEP
    'denominatorException'
  when HQMF::PopulationCriteria::DENEX
    'denominatorExclusion'
  when HQMF::PopulationCriteria::MSRPOPL
    'measurePopulation'  
  when HQMF::PopulationCriteria::OBSERV
     'measureObservation'  
  when HQMF::PopulationCriteria::STRAT
     'stratifier'  
  else  
    raise "Unknown population criteria type #{population_criteria_code}"
  end
end

#reference_element_name(id) ⇒ Object 



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# File 'lib/hqmf-generator/hqmf-generator.rb', line 204

def reference_element_name(id)
  referenced_criteria = doc.data_criteria(id)
  element_name_prefix(referenced_criteria)
end

#reference_type_name(id) ⇒ Object 



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# File 'lib/hqmf-generator/hqmf-generator.rb', line 209

def reference_type_name(id)
  referenced_criteria = doc.data_criteria(id)
  type = nil
  if referenced_criteria
    type = referenced_criteria.type
  elsif id=="MeasurePeriod"
    type = :observation
  end
  if !type
    raise "No data criteria with ID: #{id}"
  end
  case type
  when :encounters
    'ENC'
  when :procedures
    'PROC'
  when :medications, :allMedications
    'SBADM'
  when :medication_supply
    'SPLY'
  when :observation
     'OBS'
  else
    if data_criteria_should_be_grouper?(referenced_criteria)
      'GROUPER'
    else
      'OBS'
    end
  end
end

#section_name(data_criteria) ⇒ Object 



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# File 'lib/hqmf-generator/hqmf-generator.rb', line 310

def section_name(data_criteria)
  data_criteria.definition.to_s
end

#xml_for_attribute(attribute) ⇒ Object 



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# File 'lib/hqmf-generator/hqmf-generator.rb', line 61

def xml_for_attribute(attribute)
  HQMF2::Generator.render_template('attribute', {'attribute' => attribute})
end

#xml_for_code(criteria, element_name = 'code', include_type = true) ⇒ Object 



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# File 'lib/hqmf-generator/hqmf-generator.rb', line 86

def xml_for_code(criteria, element_name='code', include_type=true)
  HQMF2::Generator.render_template('code', {'doc' => doc, 'criteria' => criteria, 'name' => element_name, 'include_type' => include_type})
end

#xml_for_data_criteria(data_criteria, is_source_data_criteria) ⇒ Object 



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# File 'lib/hqmf-generator/hqmf-generator.rb', line 160

def xml_for_data_criteria(data_criteria, is_source_data_criteria)
  HQMF2::Generator.render_template(data_criteria_template_name(data_criteria), {'doc' => doc, 'criteria' => data_criteria, 'is_source_data_criteria' => is_source_data_criteria})
end

#xml_for_derivation(data_criteria) ⇒ Object 



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# File 'lib/hqmf-generator/hqmf-generator.rb', line 90

def xml_for_derivation(data_criteria)
  xml = ''
  if data_criteria.derivation_operator
    xml = HQMF2::Generator.render_template('derivation', {'doc' => doc, 'criteria' => data_criteria})
  end
  xml
end

#xml_for_description(data_criteria) ⇒ Object 



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# File 'lib/hqmf-generator/hqmf-generator.rb', line 134

def xml_for_description(data_criteria)
  xml = ''
  if data_criteria.description
    xml = HQMF2::Generator.render_template('description', {'text' => data_criteria.description})
  end
  xml
end

#xml_for_effective_time(data_criteria) ⇒ Object 



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# File 'lib/hqmf-generator/hqmf-generator.rb', line 98

def xml_for_effective_time(data_criteria)
  xml = ''
  if data_criteria.effective_time
    xml = HQMF2::Generator.render_template('effective_time', {'doc' => doc, 'effective_time' => data_criteria.effective_time})
  end
  xml
end

#xml_for_fields(criteria) ⇒ Object 



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# File 'lib/hqmf-generator/hqmf-generator.rb', line 65

def xml_for_fields(criteria)
  fields = []
  if criteria.field_values
    criteria.field_values.each_pair do |key, value|
      details = HQMF::DataCriteria::FIELDS[key]
      details[:code_system_name] = HealthDataStandards::Util::CodeSystemHelper.code_system_for(details[:code_system])
      fields << HQMF2::Generator.render_template('field', {'details' => details, 'value' => value})
    end
  end
  if criteria.specific_occurrence
    fields << HQMF2::Generator.render_template('specific_occurrence', {'source_criteria_id' => criteria.source_data_criteria, 'type' => criteria.specific_occurrence_const, 'id' => criteria.specific_occurrence})
  elsif criteria.source_data_criteria
    fields << HQMF2::Generator.render_template('source', {'source_criteria_id' => criteria.source_data_criteria})
  end
  fields.join
end

#xml_for_local_variable(criteria) ⇒ Object 



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# File 'lib/hqmf-generator/hqmf-generator.rb', line 39

def xml_for_local_variable(criteria)
  name = @local_var_names[criteria.id]
  unless name
    if criteria.specific_occurrence
      name = "Occurrence#{criteria.specific_occurrence}#{criteria.id}"
    else
      name = criteria.id
    end
    @local_var_names[criteria.id] = name
  end
  HQMF2::Generator.render_template('local_variable', {'name' => name})
end

#xml_for_measure_observation_definition(doc) ⇒ Object 



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# File 'lib/hqmf-generator/hqmf-generator.rb', line 183

def xml_for_measure_observation_definition(doc)
  observation = doc.find_population_by_type(HQMF::PopulationCriteria::OBSERV)
  msrpopl = doc.find_population_by_type( HQMF::PopulationCriteria::MSRPOPL)
  HQMF2::Generator.render_template('measure_observation_definition', {'doc' => doc, 'observation' => observation, "msrpopl" => msrpopl})
end

#xml_for_population_criteria(population, criteria_id) ⇒ Object 



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# File 'lib/hqmf-generator/hqmf-generator.rb', line 164

def xml_for_population_criteria(population, criteria_id)
  xml = ''
  population_criteria = doc.population_criteria(population[criteria_id])
  if population_criteria && population_element_prefix(criteria_id) != "measureObservation"
    xml = HQMF2::Generator.render_template('population_criteria', {'doc' => doc, 'population' => population, 'criteria_id' => criteria_id, 'population_criteria' => population_criteria})
  end
  xml
end

#xml_for_precondition(precondition) ⇒ Object 



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# File 'lib/hqmf-generator/hqmf-generator.rb', line 156

def xml_for_precondition(precondition)
  HQMF2::Generator.render_template('precondition', {'doc' => doc, 'precondition' => precondition})
end

#xml_for_precondition_cv(precondition) ⇒ Object 



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# File 'lib/hqmf-generator/hqmf-generator.rb', line 152

def xml_for_precondition_cv(precondition)
  HQMF2::Generator.render_template('precondition_cv', {'doc' => doc, 'precondition' => precondition})
end

#xml_for_reason(data_criteria) ⇒ Object 



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# File 'lib/hqmf-generator/hqmf-generator.rb', line 106

def xml_for_reason(data_criteria)
  xml = ''
  if data_criteria.negation && data_criteria.negation_code_list_id
    xml = HQMF2::Generator.render_template('reason', {'doc' => doc, 'code_list_id' => data_criteria.negation_code_list_id})
  end
  xml
end

#xml_for_reference(reference) ⇒ Object 



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# File 'lib/hqmf-generator/hqmf-generator.rb', line 57

def xml_for_reference(reference)
  HQMF2::Generator.render_template('reference', {'doc' => doc, 'reference' => reference})
end

#xml_for_reference_id(id) ⇒ Object 



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# File 'lib/hqmf-generator/hqmf-generator.rb', line 52

def xml_for_reference_id(id)
  reference = HQMF::Reference.new(id)
  xml_for_reference(reference)
end

#xml_for_subsets(data_criteria) ⇒ Object 



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# File 'lib/hqmf-generator/hqmf-generator.rb', line 142

def xml_for_subsets(data_criteria)
  subsets_xml = []
  if data_criteria.subset_operators
    subsets_xml = data_criteria.subset_operators.collect do |operator|
      HQMF2::Generator.render_template('subset', {'doc' => doc, 'subset' => operator, 'criteria' => data_criteria})
    end
  end
  subsets_xml.join()
end

#xml_for_template(data_criteria, is_source_data_criteria) ⇒ Object 



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# File 'lib/hqmf-generator/hqmf-generator.rb', line 114

def xml_for_template(data_criteria, is_source_data_criteria)
  xml = ''
  templates = []
  # Add a template ID if one is defined for this data criteria
  template_id = HQMF::DataCriteria.template_id_for_definition(data_criteria.definition, data_criteria.status, data_criteria.negation)
  if template_id
    templates << {:id => template_id, :title => HQMF::DataCriteria.title_for_template_id(template_id)}
  end
  # Add our own template id if this is a source data criteria from HQMF V1. Source
  # data criteria are the 'raw' HQMF V1 data criteria before any restrictions are applied
  # they are only used for negating specific occurrences
  if is_source_data_criteria
    templates << {:id => HQMF::DataCriteria::SOURCE_DATA_CRITERIA_TEMPLATE_ID, :title => HQMF::DataCriteria::SOURCE_DATA_CRITERIA_TEMPLATE_TITLE}
  end
  if templates.length > 0
    xml = HQMF2::Generator.render_template('template_id', {'templates' => templates})
  end
  xml
end

#xml_for_temporal_references(criteria) ⇒ Object 



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# File 'lib/hqmf-generator/hqmf-generator.rb', line 173

def xml_for_temporal_references(criteria)
  refs = []
  if criteria.temporal_references
    refs = criteria.temporal_references.collect do |reference|
      HQMF2::Generator.render_template('temporal_relationship', {'doc' => doc, 'relationship' => reference})
    end
  end
  refs.join
end

#xml_for_value(value, element_name = 'value', include_type = true) ⇒ Object 



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# File 'lib/hqmf-generator/hqmf-generator.rb', line 82

def xml_for_value(value, element_name='value', include_type=true)
  HQMF2::Generator.render_template('value', {'doc' => doc, 'value' => value, 'name' => element_name, 'include_type' => include_type})
end