Class: LgtmHD::CLI

Inherits:

Object

• Object
• LgtmHD::CLI

Includes:

Commander::Methods

Defined in:

lib/lgtm_hd/cli.rb

Constant Summary

CMD_RANDOM_SYNTAX =

'lgtm_hd random [options]'.freeze

CMD_TRANSFORM_SYNTAX =

'lgtm_hd <URI|FILE> [options]'.freeze

OPTIONS_SYNTAX =

'[-i | --interactive] [-d | --destination <DIR>] [-p | --preview high|low|none]'

Instance Method Summary

• #help_the_noobie ⇒ Object

  end run def.

• #run ⇒ Object
• #show_preview(image_path, quality) ⇒ Object

Instance Method Details

#help_the_noobie ⇒ Object

end run def

# File 'lib/lgtm_hd/cli.rb', line 104

def help_the_noobie
  say_step "\nTo add LGTM text to image:"
  say_code_block CLI::CMD_TRANSFORM_SYNTAX
  say_step "\nTo fetch random LGTM.IN image:"
  say_code_block CLI::CMD_RANDOM_SYNTAX
  say_step "\nGlobal Options:"
  say_code_block CLI::OPTIONS_SYNTAX
  say_step "\nMore Help:"
  say_code_block "lgtm_hd --help"
  say_step "\nVisit #{LgtmHD::Configuration::MORE_HELP_URL} for development purpose or more examples\n"
  exit
end

#run ⇒ Object

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

def run
  program :name, LgtmHD::Configuration::PROGRAM_NAME
  program :version, LgtmHD::VERSION
  program :description, LgtmHD::Configuration::DESCRIPTION
  program :help_formatter, Commander::HelpFormatter::TerminalCompact

  default_command :transform
  global_option '-i', '--interactive', 'Turn on interactive Mode. In case you forgot all these super complexive args and options' do say "-- LGTM HD Interactive Mode --" end
  global_option '-d', '--dest DIR', String, 'Directory to export the LGTM image to. Default value is user\'s current working directory'
  global_option '-p', '--preview QUALITY', String, 'Quality of Image preview live on terminal at the end. Accepted values for QUALITY are [high, low, none]. Default value is high. Set to none for skipping'

  command :random do |c|
    c.syntax = CMD_RANDOM_SYNTAX
    c.summary = 'Fetch random images from LGTM.in'
    c.description = ''
    c.example 'Example', 'lgtm_hd random'

    c.action do |args, options|
      if options.interactive  # Interactive mode!
        options.dest ||= ask('Destination Directory (Enter to skip): ')
        options.preview ||= ask('Image Preview Quality? [high|low|none] (Enter to skip)')
      end
      dest_dir = CLI.destination_dir(options.dest)
      dest_file_prefix = CLI.destination_file_prefix
      check_uris(dest_dir)

      say_step "Fetching from lgtm.in"
      dest_uri,image_markdown = LgtmDotIn.fetch_random_image(dest_dir,dest_file_prefix) do |url, markdown|
        say_step "Loading image at #{url}"
      end

      say_ok "Exported image to #{dest_uri}"

      show_preview dest_uri, options.preview

      copy_file_to_clipboard(dest_uri)
      say "\nOr you can copy the markdown format below provided by lgtm.in"
      say_code_block "#{image_markdown}"
      say "\nIf the image does not have LGTM texts on it, run the cmd below"
      say_code_block "lgtm_hd #{dest_uri}"

    end
  end

  command :transform do |c|
    c.syntax = CMD_TRANSFORM_SYNTAX
    c.summary = 'Generate LGTM text on top of image URL or local image File'
    c.description = 'The command \e[3mtransform\e[0m is the default command hence you can skip typing it instead'
    c.example 'Example', 'lgtm_hd http://domain.com/image.png'

    c.action do |args, options|
      # ARGS validation!
      if args.length >= 1
        source_uri = args[0]
      elsif options.interactive  # Interactive mode!
        source_uri ||= ask('Source Image (URL or Path/to/file): ')
        options.dest ||= ask('Destination Directory (Enter to skip): ')
        options.preview ||= ask('Image Preview Quality [high|low|none] (Enter to skip): ')
      else
        # Since this is the default command so we will provide a little extra care for first-time user
        help_the_noobie
      end

      # Validate the inputs
      source_uri = CLI.source_uri(source_uri)
      dest_dir = CLI.destination_dir(options.dest)
      check_uris(dest_dir, source_uri)
      dest_file = File.join(dest_dir, CLI.destination_file_prefix + CLI.extname(source_uri))

      # Do stuff with our LGTM meme
      say_step "Reading and inspecting source at #{source_uri}"
      meme_generator = MemeGenerator.new(input_image_uri:source_uri, output_image_uri:dest_file)
      say_step "Transforming Image"
      meme_generator.draw

      # Export and play around with the clipboard
      say_step "Exporting to file"
      meme_generator.export do |output|
        say_ok "Exported LGTM image to #{output}."
        show_preview output, options.preview
        copy_file_to_clipboard output
      end # end of meme_generator.export block
    end # end of action
  end # end of command transform

  run!
end

#show_preview(image_path, quality) ⇒ Object

# File 'lib/lgtm_hd/cli.rb', line 117

def show_preview(image_path, quality)
  quality ||= 'high'
  quality.downcase!
  if quality.eql? "none" then return end
  quality = 'high' unless quality.eql? 'low'

  say_step "\nImage Preview"
  CatpixMini::print_image image_path, {
    :limit_y => 1.0,
    :resolution => quality,
    :center_x => false,
    :center_y => true
  }
end