Class: RockBooks::Main

Inherits:
Object
  • Object
show all
Defined in:
lib/rock_books/cmd_line/main.rb

Instance Method Summary collapse

Instance Method Details

#call ⇒ Object 



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# File 'lib/rock_books/cmd_line/main.rb', line 84

def call
  begin
    ARGV << '-h' if ARGV.empty?
    run_options = parse_command_line
    CommandLineInterface.new(run_options).call
  rescue => error
    $stderr.puts  \
    <<~HEREDOC
    #{error.backtrace.join("\n")}

    #{'-' * 79}
    #{error}
    #{'-' * 79}

    HEREDOC

    exit(-1)
    binding.pry
    raise error
  end

end

#options_with_defaults ⇒ Object 



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# File 'lib/rock_books/cmd_line/main.rb', line 15

def options_with_defaults
  options = OpenStruct.new
  options.input_dir   = DEFAULT_INPUT_DIR
  options.output_dir  = DEFAULT_OUTPUT_DIR
  options.receipt_dir = DEFAULT_RECEIPT_DIR
  options.do_receipts = true
  options
end

#parse_command_line ⇒ Object

Parses the command line with Ruby’s internal ‘optparse’. OptionParser#parse! removes what it processes from ARGV, which simplifies our command parsing.



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# File 'lib/rock_books/cmd_line/main.rb', line 36

def parse_command_line
  prepend_environment_options
  options = options_with_defaults

  OptionParser.new do |parser|

    parser.on("-h", "--help", "Show help") do |_help_requested|
      ARGV << 'h' # pass on the request to the command processor
      options.suppress_command_line_validation = true
    end

    parser.on('-i', '--input_dir DIR',
        "Input directory containing source data files, default: '#{DEFAULT_INPUT_DIR}'") do |v|
      options.input_dir = File.expand_path(v)
    end

    parser.on('-o', '--output_dir DIR',
        "Output directory to which report files will be written, default: '#{DEFAULT_OUTPUT_DIR}'") do |v|
      options.output_dir = File.expand_path(v)
    end

    parser.on('-r', '--receipt_dir DIR',
        "Directory root from which to find receipt filespecs, default: '#{DEFAULT_RECEIPT_DIR}'") do |v|
      options.receipt_dir = File.expand_path(v)
    end

    parser.on('-s', '--shell', 'Start interactive shell') do |v|
      options.interactive_mode = true
    end

    parser.on('-v', '--[no-]verbose', 'Verbose mode') do |v|
      options.verbose_mode = v
    end

    parser.on('', '--[no-]receipts', 'Include report on existing and missing receipts.') do |v|
      options.do_receipts = v
    end
  end.parse!

  if options.verbose_mode
    puts "Run Options:"
    ap options.to_h
  end

  options
end

#prepend_environment_options ⇒ Object 



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# File 'lib/rock_books/cmd_line/main.rb', line 25

def prepend_environment_options
  env_opt_string = ENV['ROCKBOOKS_OPTIONS']
  if env_opt_string
    args_to_prepend = Shellwords.shellsplit(env_opt_string)
    ARGV.unshift(args_to_prepend).flatten!
  end
end