Class: Lutaml::Cli::Uml::InfoCommand

Inherits:
Object
  • Object
show all
Defined in:
lib/lutaml/cli/uml/info_command.rb

Overview

InfoCommand displays package metadata

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ InfoCommand

Returns a new instance of InfoCommand.



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# File 'lib/lutaml/cli/uml/info_command.rb', line 11

def initialize(options = {})
  @options = options.transform_keys(&:to_sym)
end

Instance Attribute Details

#options ⇒ Object (readonly)

Returns the value of attribute options.



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# File 'lib/lutaml/cli/uml/info_command.rb', line 9

def options
  @options
end

Class Method Details

.add_options_to(thor_class, _method_name) ⇒ Object 



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# File 'lib/lutaml/cli/uml/info_command.rb', line 15

def self.add_options_to(thor_class, _method_name)
  thor_class.long_desc <<-DESC
  Display metadata and statistics for a LUR package without loading
  the full repository.

  Example:
    lutaml uml info model.lur

    lutaml uml info model.lur --format json
  DESC

  thor_class.option :format, type: :string, default: "text",
                             desc: "Output format (text|yaml|json)"
end

Instance Method Details

#run(lur_path) ⇒ Object

rubocop:disable Metrics/AbcSize,Metrics/CyclomaticComplexity,Metrics/MethodLength,Metrics/PerceivedComplexity



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# File 'lib/lutaml/cli/uml/info_command.rb', line 30

def run(lur_path) # rubocop:disable Metrics/AbcSize,Metrics/CyclomaticComplexity,Metrics/MethodLength,Metrics/PerceivedComplexity
  unless File.exist?(lur_path)
    puts OutputFormatter.error("Package file not found: #{lur_path}")
    raise Thor::Error, "Package file not found: #{lur_path}"
  end

  require "zip"
  require "yaml"

  begin
    Zip::File.open(lur_path) do |zip|
      metadata_entry = zip.find_entry("metadata.yaml")
      unless metadata_entry
        puts OutputFormatter.error("Invalid package: missing metadata")
        raise Thor::Error, "Invalid package: missing metadata"
      end

      # Permit all Lutaml::Uml classes for safe loading
      uml_constants = Lutaml::Uml.constants
      uml_classes = uml_constants.filter_map do |const_name|
        constant_value = Lutaml::Uml.const_get(const_name)
        constant_value if constant_value.is_a?(Class)
      end
      permitted_classes = [Symbol, Time, Date, DateTime, uml_classes]
        .flatten

      metadata = YAML.safe_load(
        metadata_entry.get_input_stream.read,
        permitted_classes: permitted_classes,
        aliases: true,
      )

      if options[:format] == "text"
        display_package_info(metadata)
      else
        puts OutputFormatter.format(metadata, format: options[:format])
      end
    end
  rescue Thor::Error
    raise
  rescue StandardError => e
    puts OutputFormatter.error("Failed to read package info: " \
                               "#{e.message}")
    raise Thor::Error, "Failed to read package info: #{e.message}"
  end
end