Communicate with WebPay on CLI by `ruby webpay-pry.rb`

webpay-pry.rb

# coding: utf-8
# ref: http://sho.tdiary.net/20131128.html

require 'pry'
require 'webpay'
require 'singleton'

module WebPayConsole

  class ObjectRepository

    MAX_COUNT_PAGE_VOL = 100

    attr_reader :charges, :customers

    def initialize
      @charges = load_objects(WebPay::Charge)
      @customers = load_objects(WebPay::Customer)
    end

    private

    def load_objects(klass)
      page = 1
      entities = []
      loop do
        acquisitions = klass.all(count: MAX_COUNT_PAGE_VOL, offset: (page - 1) * MAX_COUNT_PAGE_VOL)
        break if acquisitions.data.size == 0
        entities += acquisitions.data
        page += 1
        sleep 1
      end
      entities
    end
  end

  class CLI
    include Singleton

    def initialize
      @@repos = nil

      webpay_command = Pry::CommandSet.new do
        block_command 'key' do |*args|
          output.puts WebPay.api_key = args[0]
          output.puts 'initializing...'
          @@repos = ObjectRepository.new
          output.puts 'loaded...'
        end

        block_command 'charges' do |*args|
          @@repos.charges.each_with_index do |charge, index|
            output.puts "[#{index}] #{charge.id} #{charge.amount - charge.amount_refunded}yen, #{charge.description}"
          end
          output.puts 'You can retrieve charge from above with: e.g. `charge 1`'
        end

        block_command 'customers' do |*args|
          @@repos.customers.each_with_index do |customer, index|
            output.puts "[#{index}] #{customer.id} #{customer.description}"
          end
          output.puts 'You can retrieve customer from above with: e.g. `customer 1`'
        end

        block_command /\A(charge|customer)/, keep_retval: true do |*args|
          @@repos.send(captures[0] + "s")[args[1].to_i]
        end

        block_command 'help' do
          output.puts "charges : show charges"
          output.puts "charge num: show charges with page number"
          output.puts "customers : show customers"
          output.puts "customer num: show customers with page number"
        end
      end

      Pry::Commands.import webpay_command
      Pry.prompt = [proc { 'WebPay> ' }, proc { 'WebPay* ' }]
    end

    def execute_pry
      puts "At first, set secret key with: key 'test_secret_xxxxxxxxxx'\n\n"
      puts "Type 'help' to help. type 'exit' to terminate.\n\n"
      pry
    end
  end
end

console = WebPayConsole::CLI.instance
console.execute_pry