Class: Xcopier::CLI

Inherits:
Object
  • Object
show all
Defined in:
lib/xcopier/cli.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(args) ⇒ CLI

Returns a new instance of CLI.



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# File 'lib/xcopier/cli.rb', line 12

def initialize(args)
  @args = args
end

Class Method Details

.start(args) ⇒ Object 



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# File 'lib/xcopier/cli.rb', line 8

def self.start(args)
  new(args).run
end

Instance Method Details

#parse ⇒ Object

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



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# File 'lib/xcopier/cli.rb', line 23

def parse # rubocop:disable Metrics/CyclomaticComplexity,Metrics/AbcSize,Metrics/PerceivedComplexity,Metrics/MethodLength
  @options = { copier_name: @args.shift, args: {} }
  @options[:copier] = @options[:copier_name].classify.safe_constantize

  parser = OptionParser.new do |opts|
    opts.banner = "Usage: xcopier copier_name [--arg1=value1 ...] [options]"

    opts.separator "\nCOPIER ARGUMENTS" if @options[:copier]&._arguments&.any?
    @options[:copier]&._arguments&.each do |arg|
      @options[:args][arg[:name]] = nil
      banner = "--#{arg[:name].to_s.gsub("_", "-").parameterize}"
      banner += "=VALUE" if arg[:type] != :boolean
      help = "#{arg[:name]} copier argument"
      help << " (comma separated list)" if arg[:list]
      opts.on(banner, help) do |value|
        @options[:args][arg[:name]] = value
      end
    end

    opts.separator "\nOPTIONS"
    opts.on("-h", "--help", "Show help message") do
      @options[:help] = true
    end

    opts.on("-v", "--verbose", "Run verbosely") do
      @options[:verbose] = true
    end
  end
  parser.parse(@args)

  if @options[:help]
    puts parser
    return false
  end

  if @options[:copier].nil?
    puts "ERROR: Copier not found\n\n"
    puts parser
    return false
  end

  if @options[:args].values.any?(&:nil?)
    puts "ERROR: Missing argument values\n\n"
    puts parser
    return false
  end

  true
end

#run ⇒ Object 



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# File 'lib/xcopier/cli.rb', line 16

def run
  valid = parse
  return unless valid

  @options[:copier].new(**@options[:args]).run
end