Module: Extensions::HL7::Message::InstanceMethods

Defined in:
lib/core_ext/message.rb

Instance Method Summary collapse

Instance Method Details

#event ⇒ Object 



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# File 'lib/core_ext/message.rb', line 33

def event
  hash[:message][:content]["MSH"]["messageEvent"]
end

#hash ⇒ Object 



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# File 'lib/core_ext/message.rb', line 70

def hash 
  to_hash
end

#obr_list ⇒ Object 



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# File 'lib/core_ext/message.rb', line 60

def obr_list
  a = hash["message"]["content"]["OBR"]["array"].collect {|obr| ::HL7::Message::Segment.from_hash("OBR", obr)}
  a.to_enum(:each)
end

#patient_dob ⇒ Object 



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# File 'lib/core_ext/message.rb', line 46

def patient_dob
  Date.parse(hash["message"]["content"]["PID"]["dateTimeBirth"]).strftime("%B %d, %Y")
end

#patient_full_name ⇒ Object 



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# File 'lib/core_ext/message.rb', line 41

def patient_full_name
  name = hash["message"]["content"]["PID"]["patientName"]
  "#{name["lastName"]}, #{name["firstName"]}#{name["middleInitOrName"].blank? ? "" : " #{name["middleInitOrName"]}"}"
end

#patient_gender ⇒ Object 



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# File 'lib/core_ext/message.rb', line 56

def patient_gender
  hash["message"]["content"]["PID"]["sex"]
end

#patient_mrn ⇒ Object 



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# File 'lib/core_ext/message.rb', line 50

def patient_mrn
  pid = hash["message"]["content"]["PID"]
  @pid ||= ::HL7::Message::Segment.from_hash("PID", pid)
  @pid.mrn
end

#patient_visit ⇒ Object 



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# File 'lib/core_ext/message.rb', line 65

def patient_visit
  patient_visit = hash["message"]["content"]["PV1"]
  ::HL7::Message::Segment.from_hash("PV1", patient_visit)
end

#providers ⇒ Object 



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# File 'lib/core_ext/message.rb', line 12

def providers
  providers = []

  if self[:OBR]
    obrs = self[:OBR].is_a?(Array) ? self[:OBR] : [self[:OBR]]
    obrs.each do |obr|
      providers << {hash: obr.ordering_provider_hash, segment: obr}
    end
  end

  if self[:PV1]
    pv1 = self[:PV1]
    providers << {hash: pv1.admitting_provider_hash, segment: self[:PV1]}
    providers << {hash: pv1.attending_provider_hash, segment: self[:PV1]}
    providers << {hash: pv1.consulting_provider_hash, segment: self[:PV1]}
    providers << {hash: pv1.referring_provider_hash, segment: self[:PV1]}
  end

  providers
end

#sending_application ⇒ Object 



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# File 'lib/core_ext/message.rb', line 37

def sending_application
  hash[:message][:content]["MSH"]["sendingApplication"] rescue nil
end

#to_hash ⇒ Object 



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# File 'lib/core_ext/message.rb', line 74

def to_hash
  return @hash unless @hash.blank?
  @hash ||= HashWithIndifferentAccess.new
  @hash[:message] = {content: {}}

  last_segment = nil
  self.each do |segment|
    segment_name = segment.segment_name
    if segment_name == "OBR"
      @hash[:message][:content][segment_name.to_sym] ||= {}
      @hash[:message][:content][segment_name.to_sym]["array"] ||= []
      @hash[:message][:content][segment_name.to_sym]["array"] << segment.to_hash

      @hash[:message][:content][segment_name.to_sym]["array"]

      last_segment = segment_name
    elsif segment_name == "OBX"
      if last_segment == "OBR"
        @hash[:message][:content]["OBR"]["array"].last[segment_name] ||= {}
        @hash[:message][:content]["OBR"]["array"].last[segment_name]["array"] ||= []
        @hash[:message][:content]["OBR"]["array"].last[segment_name]["array"] << segment.to_hash
      end
    elsif segment_name == "NTE"
      if last_segment == "OBR"
        @hash[:message][:content]["OBR"]["array"].last["OBX"] ||= {}
        @hash[:message][:content]["OBR"]["array"].last["OBX"]["array"] ||= []
        @hash[:message][:content]["OBR"]["array"].last["OBX"]["array"].last["notes"] ||= [] if @hash[:message][:content]["OBR"]["array"].last["OBX"]["array"].length>0
        @hash[:message][:content]["OBR"]["array"].last["OBX"]["array"].last["notes"] << segment.to_hash
      end
    else
      @hash[:message][:content][segment_name.to_sym] = segment.to_hash
    end
    @hash[:message][:content]["EVN"] = @hash[:message][:content]["MSH"]["messageEvent"] if segment_name == "MSH"
  end

  @hash
end

#to_json ⇒ Object 



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# File 'lib/core_ext/message.rb', line 112

def to_json
  to_hash
  @hash.to_json
end