Class: FHIR::ReferencesResolve

Inherits:
Rubrics
  • Object
show all
Defined in:
lib/rubrics/references_resolve.rb

Class Method Summary collapse

Methods inherited from Rubrics

apply, response, rubric

Class Method Details

.check_metadata(fhir_model, record) ⇒ Object 



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# File 'lib/rubrics/references_resolve.rb', line 23

def self.check_metadata(fhir_model,record)
  results = {
    :eligible_fields => 0,
    :validated_fields => 0
  }
  # check for metadata
  # examine all References
  fhir_model.class::METADATA.each do |key, meta|
    field_name = meta['local_name'] || key
    if meta['type']=='Reference'
      results[:eligible_fields] += 1
      value = fhir_model.instance_variable_get("@#{field_name}")
      # check that the field is actually the correct type
      if !value.nil?
        if value.is_a?(Array)
          if !value.empty? # the Array has at least one value
            results[:eligible_fields] += (value.length-1)
            value.each do |ref|
              results[:validated_fields] += 1 if local_reference?(ref,record,fhir_model.contained)
            end
          end
        else # not an Array
          results[:validated_fields] += 1 if local_reference?(value,record,fhir_model.contained)
        end
      end
    else
      value = fhir_model.instance_variable_get("@#{field_name}")
      if !value.nil?
        if value.is_a?(Array)
          value.each{|v| results.merge!(check_metadata(v,record)){|k,a,b|a+b} if v.is_a?(FHIR::Model)}
        else # not an Array
          results.merge!(check_metadata(value,record)){|k,a,b|a+b} if value.is_a?(FHIR::Model)
        end
      end            
    end
  end
  results
end

.local_reference?(reference, record, contained) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rubrics/references_resolve.rb', line 62

def self.local_reference?(reference,record,contained)
  if contained && reference.reference && reference.reference.start_with?('#')
    contained.each do |resource|
      return true if reference.reference[1..-1]==resource.id
    end
  end
  record.entry.each do |entry|
    return true if reference_matchs?(reference,entry)
  end
  false    
end

.reference_matchs?(reference, entry) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rubrics/references_resolve.rb', line 74

def self.reference_matchs?(reference,entry)
  return false if (reference.nil? || reference.reference.nil?)
  if reference.reference.start_with?('urn:uuid:')
    (reference.reference == entry.fullUrl)
  else
    # some weaknesses here:
    # 'Patient/20' will match both 'http://foo/Patient/20/_history/1' and 'http://foo/Patient/20303/_history/1' 
    ((entry.fullUrl =~ /#{reference.reference}/) || (entry.resource && entry.resource.id =~ /#{reference.reference}/ ))
  end
end