paddle_controller.rb

#
# A controller for all Paddle related stuff
# 
# For use of .env file see Gist by dblandin
# https://gist.github.com/dblandin/8509457
#
class PaddleController

  def initialize
    add_license if should_add_license?

    # Ask the Product to get it's latest state and info from the Paddle Platform:
    paddle_product.refresh nil
    show_licensing unless activated?
  end

  #
  # show a dialogue with the licensing information
  #
  def show_licensing
    if activated?
      show_activation_dialogue
    else
      paddle.showProductAccessDialogWithProduct paddle_product
    end
  end

  def show_activation_dialogue
    paddle.showLicenseActivationDialogForProduct(paddle_product, email:paddle_product.activationEmail,
      licenseCode:paddle_product.licenseCode, activationStatusCompletion:show_license_completion_block
    )
  end

  def activated?
    paddle_product.activated
  end

  def deactivate_license
    paddle_product.deactivateWithCompletion(lambda do |stat|
      puts "successfully deactivated the license"
    end)
  end

  def activate_license(email, license_code, from_cli=false)
    Dispatch::Queue.main.async do
      cblock = from_cli ? cli_activation_completion_block : activation_completion_block
      paddle_product.activateEmail(email, license:license_code, completion:cblock)
    end
  end

  #
  # START Paddle Delegate methods
  # see example at: https://github.com/PaddleHQ/sdk-mac-v4-sample/blob/master/macOS%20SDK%20v4%20Sample/AppDelegate.m
  #
  # def willShowPaddleUIType(uiType, product:product)
  #   # We'll unconditionally display all configurable Paddle dialogs as sheets attached to the main window.
  #   return PADDisplayConfiguration.configuration(PADDisplayTypeSheet, hideNavigationButtons:false, parentWindow:NSApp.mainWindow)
  # end

  def paddleDidError(error)
    puts "Paddle error occurred: #{error}"
  end

  def canAutoActivate(product)
    true
  end
  # END Paddle Delegate methods

  private

  def paddle
    @paddle ||= proc do
      Paddle.sharedInstanceWithVendorID(my_vendor_id, apiKey:my_api_key, productID:my_product_id,
      configuration:productConfiguration, delegate:self)
    end.call
  end

  def paddle_product
    @paddle_product ||= proc do
      p = PADProduct.alloc.initWithProductID(my_product_id, 
        productType:PADProductTypeSDKProduct, 
        configuration:nil
      )
      p
    end.call
  end

  def my_product_id
    App::ENV['PADDLE_PRODUCT_ID']
  end

  def my_api_key
    App::ENV['PADDLE_PRODUCT_API_KEY']
  end

  def my_vendor_id
    App::ENV['PADDLE_PRODUCT_VENDOR_ID']
  end

  def show_license_completion_block
    lambda do |stat|
      case stat
      when PADActivationActivated
        puts "license sucessfully activated"
      when PADActivationDeactivated
        puts "license sucessfully deactivated"
      when PADActivationAbandoned
        puts "did leave dialogue without doing anything"
      when PADActivationFailed
        puts "Ooops something went wrong when activating the license"
      end
    end
  end

  def activation_completion_block
    lambda do |activated, error|
      if activated
        puts 'Product successfully activated. Thank you for supporting Docxtor.'
      else
        puts 'UNABLE to activate product'
      end
      true
    end
  end

  def cli_activation_completion_block
    lambda do |activated, error|
      puts "Activating from CLI"
      if activated
        stdout.log('Product successfully activated. Thank you for supporting Docxtor.')
      else
        stdout.log('Could not activate Docxtor: ' + error.localizedDescription)
      end
      stdout.log "\nDocxtor says: good-bye\n\n"
      puts "Docxtor says bye-bye"
      NSApplication.sharedApplication.terminate self
    end
  end

  def productConfiguration
    @productConfiguration ||= proc do
      pc = PADProductConfiguration.alloc.init
      pc.productName = "Docxtor";
      pc.vendorName = "Martin Kolb"
      pc.trialLength = 0
      pc.trialType = PADProductTrialTimeLimited
      pc
    end.call
  end

  def support_string
    'Please supply valid licensing data or contact [email protected] for further info'
  end

  #
  # Methods for licensing via CLI
  # e.g. by running the following command from Terminal:
  # /Applications/Docxtor.app/Contents/MacOS/Docxtor addlicense [email protected] 12345678-12345678-12345678-12345678-12345678
  #
  def should_add_license?
    args.include? 'addlicense'
  end

  def add_license
    error_status = false

    # write this to stdout
    if args_email.nil?
      error_status = true
      stdout.log "\nERROR: No valid email found. #{support_string}"
    end
    if args_license_code.nil?
      error_status = true
      stdout.log "\nERROR: No valid license code found. #{support_string}"
    end
    activate_license(args_email, args_license_code) unless error_status
  end

  def stdout
    @stdout ||= proc { StdoutView.new }.call
  end

  def args_email
    args_email_index.nil? ? nil : args.fetch(args_email_index, nil)
  end

  def args_license_code
    args_email_index.nil? ? nil : args.fetch(args_email_index + 1, nil)
  end

  def args_email_index
    @args_email_index ||= args.index { |x| x.match(/[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,}/i) }
  end

  def args
    NSProcessInfo.processInfo.arguments
  end
end

stdout_view.rb

# A class for logging to the stdout
class StdoutView
  def log(out_str)
    puts "StdoutView::puts: #{out_str}"
    out_str.writeToFile('/dev/stdout', atomically: false, encoding: NSUTF8StringEncoding, error: nil)
  end
end