Class: Roqua::Healthy::A19::Transformer

Inherits:
Object
  • Object
show all
Defined in:
lib/roqua/healthy/a19/transformer.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(message) ⇒ Transformer

Returns a new instance of Transformer.



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# File 'lib/roqua/healthy/a19/transformer.rb', line 14

def initialize(message)
  @message = message
  @message['PID']['PID.3']  = [@message.fetch('PID').fetch('PID.3')].flatten.compact
  @message['PID']['PID.5']  = [@message.fetch('PID').fetch('PID.5')].flatten.compact
  @message['PID']['PID.11'] = [@message.fetch('PID').fetch('PID.11')].flatten.compact
  @message['PID']['PID.13'] = [@message.fetch('PID').fetch('PID.13')].flatten.compact
  @message = MessageCleaner.new(@message).message
end

Instance Attribute Details

#message ⇒ Object (readonly)

Returns the value of attribute message.



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# File 'lib/roqua/healthy/a19/transformer.rb', line 12

def message
  @message
end

Instance Method Details

#birthdate ⇒ Object 



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# File 'lib/roqua/healthy/a19/transformer.rb', line 79

def birthdate
  birthdate_details = message.fetch('PID').fetch('PID.7')
  birthdate_details&.fetch('PID.7.1')
end

#email ⇒ Object 



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# File 'lib/roqua/healthy/a19/transformer.rb', line 84

def email
  email_record = message.fetch('PID').fetch('PID.13').find do |record|
    record.fetch('PID.13.2', :unknown_type_of_phone_record) == 'NET'
  end
  return nil unless email_record

  email_address = email_record.fetch('PID.13.1', "")
  email_address = email_record.fetch('PID.13.4', "") if email_address.blank?
  email_address
end

#gender ⇒ Object 



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# File 'lib/roqua/healthy/a19/transformer.rb', line 116

def gender
  message.dig('PID', 'PID.8', 'PID.8.1')
end

#identities ⇒ Object 



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# File 'lib/roqua/healthy/a19/transformer.rb', line 54

def identities
  @identities ||= message.fetch('PID').fetch('PID.3').map do |identity|
    next if identity.fetch('PID.3.1').blank?
    authority = identity.fetch('PID.3.5')
    # medoq sends all its (possibly identifying) metadata in 1 json encoded identity
    # non medoq hl7 clients could fake being medoq, so do not add any trusted behavior
    # to medoq identities beyond what a regular hl7 field would enable
    if authority == 'MEDOQ'
      parsed_medoq_data = JSON.parse(identity.fetch('PID.3.1')).with_indifferent_access
      {ident: parsed_medoq_data[:epd_id],
       research_number: parsed_medoq_data[:research_number],
       metadata: parsed_medoq_data[:metadata],
       authority: authority}
    else
      {ident: identity.fetch('PID.3.1'), authority: authority}
    end
  end.compact
end

#medoq_data ⇒ Object 



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# File 'lib/roqua/healthy/a19/transformer.rb', line 73

def medoq_data
  identities.find do |identity|
    identity[:authority] == 'MEDOQ'
  end || {}
end

#phone_cell ⇒ Object

this is a heuristic to pick likely dutch cell phone numbers out of the hl7 messages we receive



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# File 'lib/roqua/healthy/a19/transformer.rb', line 97

def phone_cell
  pid13 = message.fetch('PID').fetch('PID.13')

  # prefer PRN (Primary Residence Number) that contains a cell phone number
  phone_cell_record = pid13.find do |record|
    phone_cell_number?(record.fetch('PID.13.1', '') || '') &&
      record.fetch('PID.13.2', :unknown_type_of_phone_record) == 'PRN'
  end

  # otherwise choose the first occuring cell phone number
  phone_cell_record ||= pid13.find do |record|
    phone_cell_number?(record.fetch('PID.13.1', '') || '')
  end

  # any number for which phone_cell_number? returns false is ignored

  strip_non_phone_number_characters(phone_cell_record.fetch('PID.13.1')) if phone_cell_record.present?
end

#source ⇒ Object 



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# File 'lib/roqua/healthy/a19/transformer.rb', line 50

def source
  message.fetch('MSH').fetch('MSH.4').fetch('MSH.4.1')
end

#status ⇒ Object 



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# File 'lib/roqua/healthy/a19/transformer.rb', line 46

def status
  'SUCCESS'
end

#to_patient ⇒ Object 



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# File 'lib/roqua/healthy/a19/transformer.rb', line 23

def to_patient
  {
    status:       status,
    source:       source,
    identities:   identities,
    firstname:    name.firstname,
    initials:     name.initials,
    lastname:     name.lastname,
    display_name: name.display_name,
    nickname:     name.nickname,
    email:        email,
    address_type: address.address_type,
    street:       address.street,
    city:         address.city,
    zipcode:      address.zipcode,
    country:      address.country,
    birthdate:    birthdate,
    gender:       gender,
    phone_cell:   phone_cell,
    medoq_data:   medoq_data
  }
end