Class: USCoreTestKit::Generator::IGLoader

Inherits:
Object
  • Object
show all
Defined in:
lib/us_core_test_kit/generator/ig_loader.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(base_ig_directory) ⇒ IGLoader

Returns a new instance of IGLoader.



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# File 'lib/us_core_test_kit/generator/ig_loader.rb', line 12

def initialize(base_ig_directory)
  self.base_ig_directory = base_ig_directory
end

Instance Attribute Details

#base_ig_directory ⇒ Object

Returns the value of attribute base_ig_directory.



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# File 'lib/us_core_test_kit/generator/ig_loader.rb', line 10

def base_ig_directory
  @base_ig_directory
end

Instance Method Details

#ig_resources ⇒ Object 



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# File 'lib/us_core_test_kit/generator/ig_loader.rb', line 16

def ig_resources
  @ig_resources ||= IGResources.new
end

#load ⇒ Object 



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# File 'lib/us_core_test_kit/generator/ig_loader.rb', line 20

def load
  load_ig
  load_standalone_resources
end

#load_ig ⇒ Object 



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# File 'lib/us_core_test_kit/generator/ig_loader.rb', line 25

def load_ig
  tar = Gem::Package::TarReader.new(Zlib::GzipReader.open(File.join(base_ig_directory, 'package.tgz')))

  tar.each do |entry|
    next if entry.directory?

    file_name = entry.full_name.split('/').last

    next unless file_name.end_with? '.json'

    next unless entry.full_name.start_with? 'package/'

    begin
      resource = FHIR.from_contents(entry.read)
      next if resource.nil?
    rescue StandardError
      puts "#{file_name} does not appear to be a FHIR resource."
      next
    end

    ig_resources.add(resource)
  end

  ig_resources
end

#load_standalone_resources ⇒ Object 



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# File 'lib/us_core_test_kit/generator/ig_loader.rb', line 51

def load_standalone_resources
  Dir.glob(File.join(base_ig_directory, '*.json')).each do |file_path|
    begin
      resource = FHIR.from_contents(File.read(file_path))
      next if resource.nil?
    rescue StandardError
      file_name = file_path.split('/').last
      puts "#{file_name} does not appear to be a FHIR resource."
      next
    end

    ig_resources.add(resource)
  end

  ig_resources
end