Class: Comet::Runner

Inherits:
Object
  • Object
show all
Extended by:
GLI::App
Defined in:
lib/comet/runner.rb

Class Method Summary collapse

Class Method Details

.go(args, cwd) ⇒ Object



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# File 'lib/comet/runner.rb', line 12

def self.go(args, cwd)
  program_desc 'Test your Ruby skills! Download Ruby exercises and submit your solutions for grading.'

  desc 'Initialize the current directory as a comet project directory'
  skips_pre
  command :init do |c|
    c.action do |global_options, options, args|
      answers = Comet::Init.find_config(cwd) || {}

      ['email', 'token', 'server'].each do |setting|
        answers[setting] = prompt_for_setting(setting, answers)
      end

      Comet::Init.init_project_dir(cwd, answers)
    end
  end

  desc 'List the available katas'
  command :list do |c|
    c.action do |global_options,options,args|
      katas = Comet::Kata.list(@config)

      if katas.empty?
        puts "No katas available."
      else
        katas.each do |kata|
          printf("(%4d) \e[34m%s\e[0m: %s (%s)\n",
            kata[:id],
            kata[:topic_name],
            kata[:name],
            difficulty_to_string(kata[:difficulty]))
        end
      end
    end
  end

  desc 'Download a kata'
  command :fetch do |c|
    c.action do |global_options, options, args|
      kata_id = args.first
      kata = Comet::Kata.find(@config, kata_id)
      directory = kata.download

      info_file = File.join(directory, '.kata')
      info = YAML.load(File.read(info_file))
      info['id'] = kata_id.to_i

      File.write(info_file, info.to_yaml)

      puts "Downloaded kata to #{directory}."
    end
  end

  desc 'Run test suite'
  command :test do |c|
    c.action do |global_options, options, args|
      kata_file = Comet::Kata.find_kata_dir(cwd)

      if !kata_file.nil?
        Comet::Tester.run_test_suite(kata_file)
      else
        $stderr.puts "\e[31mNot a kata directory.\e[0m"
      end
    end
  end

  desc 'Submit kata'
  command :submit do |c|
    c.action do |global_options, options, args|
      require 'rest_client'
      require 'tmpdir'

      current_dir = cwd
      kata_file = File.join(current_dir, '.kata')

      if File.exists?(kata_file)
        kata_info = YAML.load(File.read(kata_file))
        lib_dir = File.join(current_dir, 'lib')
        slug = File.basename(current_dir)

        Dir.mktmpdir do |tmpdir|
          submission_file = File.join(tmpdir, 'submission.tar.gz')
          if system("tar zcf #{Shellwords.escape(submission_file)} -C #{Shellwords.escape(lib_dir)} .")
            payload = {
              submission: {
                challenge_id: kata_info['id'],
                archive: File.new(submission_file)
              }
            }

            headers = { 'Authorization' => "Token #{@config['token']}" }

            RestClient.post("#{@config['server']}/api/v1/submissions.json", payload, headers)

            puts "Submitted solution for #{slug}."
          else
            puts "Unable to create submission archive."
            exit 1
          end
        end

      else
        puts "Not a kata directory."
        exit 1
      end
    end
  end

  pre do |global,command,options,args|
    # Only query for newer versions when running commands that makes
    # network calls.
    if [:submit, :fetch, :list].include?(command.name)
      latest_version = Comet::API.latest_gem_version
      if Comet::Version.is_more_recent(latest_version)
        $stderr.puts "\e[33mNOTICE: An updated version of comet exists. " +
          "Run `gem update comet` to upgrade.\e[0m"
      end
    end

    @config = Comet::Init.find_config(cwd)
    !@config.nil?
  end

  on_error do |exception|
    case exception
    when Comet::UnauthorizedError
      $stderr.puts "\e[31mERROR: Invalid credentials. " +
        "Verify that the e-mail, token, and server are correctly " +
        "configured in #{File.join(@config['basedir'], '.comet')}\e[0m"
    else
      raise exception
    end
  end

  run(args)
end