Class: SMARTAppLaunch::EchoingFHIRResponderEndpoint

Inherits:
Inferno::DSL::SuiteEndpoint
  • Object
show all
Defined in:
lib/smart_app_launch/endpoints/echoing_fhir_responder_endpoint.rb

Instance Method Summary collapse

Instance Method Details

#ehr_input_bundle ⇒ Object 



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# File 'lib/smart_app_launch/endpoints/echoing_fhir_responder_endpoint.rb', line 79

def ehr_input_bundle
  ehr_bundle_input = 
    JSON.parse(result.input_json).find { |input| input['name'] == 'fhir_read_resources_bundle' }&.dig('value')
  ehr_bundle = FHIR.from_contents(ehr_bundle_input) if ehr_bundle_input.present?
  return ehr_bundle if ehr_bundle.is_a?(FHIR::Bundle)
  
  nil
rescue StandardError
  nil
end

#find_resource_in_bundle(bundle, resource_type_class, id) ⇒ Object 



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# File 'lib/smart_app_launch/endpoints/echoing_fhir_responder_endpoint.rb', line 90

def find_resource_in_bundle(bundle, resource_type_class, id)
  bundle.entry&.find do |entry|
    entry.resource.is_a?(resource_type_class) && entry.resource.id == id
  end&.resource
end

#make_response ⇒ Object 



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# File 'lib/smart_app_launch/endpoints/echoing_fhir_responder_endpoint.rb', line 13

def make_response
  return if response.status == 401 # set in update_result (expired token handling there)

  response.content_type = 'application/fhir+json'
  response.headers['Access-Control-Allow-Origin'] = '*'
  response.status = 200

  # look for read of provided resources
  read_response = tester_provided_read_response_body
  if read_response.present?
    response.body = read_response.to_json
    return
  end

  # If the tester provided a response, echo it
  # otherwise, operation outcome
  echo_response = JSON.parse(result.input_json)
    .find { |input| input['name'].include?('echoed_fhir_response') }
    &.dig('value')
  if echo_response.present?
    response.body = echo_response
    return
  end
  
  response.status = 400
  response.body = FHIR::OperationOutcome.new(
    issue: FHIR::OperationOutcome::Issue.new(
      severity: 'fatal', code: 'required',
      details: FHIR::CodeableConcept.new(text: 'No response provided to echo.')
    )
  ).to_json  
end

#tags ⇒ Object 



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# File 'lib/smart_app_launch/endpoints/echoing_fhir_responder_endpoint.rb', line 55

def tags
  [ACCESS_TAG]
end

#test_run_identifier ⇒ Object 



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# File 'lib/smart_app_launch/endpoints/echoing_fhir_responder_endpoint.rb', line 9

def test_run_identifier
  MockSMARTServer.issued_token_to_client_id(request.headers['authorization']&.delete_prefix('Bearer '))
end

#tester_provided_read_response_body ⇒ Object 



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# File 'lib/smart_app_launch/endpoints/echoing_fhir_responder_endpoint.rb', line 59

def tester_provided_read_response_body
  resource_type = request.params[:one]
  id = request.params[:two]

  return unless resource_type.present? && id.present?
  
  resource_type_class = 
    begin
      FHIR.const_get(resource_type)
    rescue NameError
      nil
    end
  return unless resource_type_class.present?

  resource_bundle = ehr_input_bundle
  return unless resource_bundle.present?

  find_resource_in_bundle(resource_bundle, resource_type_class, id)
end

#update_result ⇒ Object 



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# File 'lib/smart_app_launch/endpoints/echoing_fhir_responder_endpoint.rb', line 46

def update_result
  if MockSMARTServer.request_has_expired_token?(request)
    MockSMARTServer.update_response_for_expired_token(response, 'Bearer token')
    return
  end

  nil # never update for now
end