Module: USCoreTestKit::Client::ServerProxy

Included in:
USCoreClientV311::ReadEndpoint, USCoreClientV311::SearchEndpoint, USCoreClientV400::ReadEndpoint, USCoreClientV400::SearchEndpoint, USCoreClientV501::ReadEndpoint, USCoreClientV501::SearchEndpoint, USCoreClientV610::ReadEndpoint, USCoreClientV610::SearchEndpoint, USCoreClientV700::ReadEndpoint, USCoreClientV700::SearchEndpoint, USCoreClientV800::ReadEndpoint, USCoreClientV800::SearchEndpoint
Defined in:
lib/us_core_test_kit/client/server_proxy.rb

Instance Method Summary collapse

Instance Method Details

#build_proxied_read_response ⇒ Object 



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# File 'lib/us_core_test_kit/client/server_proxy.rb', line 24

def build_proxied_read_response
  resource_id = request.params[:resource_id]
  resource_type = request.params[:resource_type]
  request_params = request.params.to_h.except(:resource_id, :resource_type).stringify_keys
  
  server_response = proxy_client.get("#{resource_type}/#{resource_id}", request_params)
  response.status = server_response.status
  response.body = server_response.body
  response.headers.merge!(server_response.headers)
  remove_transfer_encoding_and_content_length_header(response.headers)
  response.headers.delete('content-location') if response.headers['content-location'].present?
end

#build_proxied_search_response ⇒ Object 



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# File 'lib/us_core_test_kit/client/server_proxy.rb', line 37

def build_proxied_search_response
  resource_type = request.params[:resource_type]
  request_params = request.params.to_h.except(:resource_type).stringify_keys
  
  server_response = proxy_client.get(resource_type, request_params)
  response.status = server_response.status
  response.body = if response.status == 200
                    replace_bundle_urls(FHIR.from_contents(server_response.body)).to_json
                  else
                    server_response.body
                  end
  response.headers.merge!(server_response.headers)
  remove_transfer_encoding_and_content_length_header(response.headers)
end

#new_link ⇒ Object 



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# File 'lib/us_core_test_kit/client/server_proxy.rb', line 70

def new_link
  "#{Inferno::Application['base_url']}/custom/#{suite_id}/fhir"
end

#proxy_client ⇒ Object 



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# File 'lib/us_core_test_kit/client/server_proxy.rb', line 6

def proxy_client
  @proxy_client ||= Faraday.new(
    url: ENV.fetch('FHIR_REFERENCE_SERVER'),
    params: {},
    headers: request_headers
  ) do |proxy|
    proxy.use FaradayMiddleware::Gzip
    proxy.options.params_encoder = Faraday::FlatParamsEncoder
  end
end

#remove_transfer_encoding_and_content_length_header(headers) ⇒ Object 



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# File 'lib/us_core_test_kit/client/server_proxy.rb', line 52

def remove_transfer_encoding_and_content_length_header(headers)
  headers.delete('transfer-encoding') if headers['transfer-encoding'].present?
  headers.delete('Content-Length') if headers['Content-Length'].present?

  nil
end

#replace_bundle_urls(bundle) ⇒ Object 



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# File 'lib/us_core_test_kit/client/server_proxy.rb', line 59

def replace_bundle_urls(bundle)
  reference_server_base = ENV.fetch('FHIR_REFERENCE_SERVER')
  bundle&.link&.map! { |link| { relation: link.relation, url: link.url.gsub(reference_server_base, new_link) } }
  bundle&.entry&.map! do |bundled_resource|
    { fullUrl: bundled_resource.fullUrl.gsub(reference_server_base, new_link),
      resource: bundled_resource.resource,
      search: bundled_resource.search }
  end
  bundle
end

#request_headers ⇒ Object 



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# File 'lib/us_core_test_kit/client/server_proxy.rb', line 17

def request_headers
  {
    'Content-Type' => 'application/json',
    'Authorization' => 'Bearer SAMPLE_TOKEN',
  }
end