Create New Gem - webpay-scaffold ref: http://qiita.com/shu_0115/items/1d1ca307171820283e1a

file0.txt

cd ~/labo
bundle gem webpay-scaffold
----------
      create  webpay-scaffold/Gemfile
      create  webpay-scaffold/Rakefile
      create  webpay-scaffold/LICENSE.txt
      create  webpay-scaffold/README.md
      create  webpay-scaffold/.gitignore
      create  webpay-scaffold/webpay-scaffold.gemspec
      create  webpay-scaffold/lib/webpay/scaffold.rb
      create  webpay-scaffold/lib/webpay/scaffold/version.rb
Initializating git repo in /Users/shu/labo/webpay-scaffold
----------

file1.txt

cd webpay-scaffold

file10.txt

rake install
----------
minimum-omniauth-scaffold 0.0.1 built to pkg/minimum-omniauth-scaffold-0.0.1.gem.
minimum-omniauth-scaffold (0.0.1) installed.
----------

file11.txt

cd ~/labo
rails new webpay_scaffold_sample
cd webpay_scaffold_sample

file12.txt

vi Gemfile
----------
# WebPay
gem 'webpay-scaffold', path: "~/labo/webpay-scaffold"
----------

file13.txt

gem uninstall webpay-scaffold
gem uninstall webpay

file14.txt

bundle install
----------
Installing webpay (2.0.2) 
Using webpay-scaffold (0.0.1) from source at ~/labo/webpay-scaffold 
----------

file15.txt

gem list webpay
----------
*** LOCAL GEMS ***

webpay (2.0.2)
----------

file16.txt

rails g -h
----------
Webpay:
  webpay:scaffold
----------

file17.txt

rails g webpay:scaffold
----------
      create  config/initializers/web_pay.rb
      create  db/migrate/20010101000000_create_payments.rb
      create  db/migrate/20010102000000_create_cards.rb
      create  app/models/card.rb
      create  app/models/payment.rb
      create  app/models/web_pay_connect.rb
      create  config/settings.yml
----------

file18.txt

rails destroy webpay:scaffold
----------
      remove  config/initializers/web_pay.rb
      remove  db/migrate/20010101000000_create_payments.rb
      remove  db/migrate/20010102000000_create_cards.rb
      remove  app/models/card.rb
      remove  app/models/payment.rb
      remove  app/models/web_pay_connect.rb
      remove  config/settings.yml
----------

file19.txt

# WebPay
gem 'webpay-scaffold', path: "~/labo/webpay-scaffold"

file2.txt

git add . && git commit -m "First commit"

file20.txt

bundle install

file21.txt

rails g webpay:scaffold
----------
      create  config/initializers/web_pay.rb
      create  db/migrate/20010101000000_create_payments.rb
      create  db/migrate/20010102000000_create_cards.rb
      create  app/models/card.rb
      create  app/models/payment.rb
      create  app/models/web_pay_connect.rb
      append  config/settings.yml
----------

file22.txt

rake db:migrate

file23.txt

class TopController < ApplicationController

  # トップ
  def index
    # 新しい課金の作成
    card = {
      number:    "4242424242424242",
      exp_month: "11",
      exp_year:  "2014",
      cvc:       "123",
      name:      "SHUN MATSUMOTO",
    }
    response, card = WebPayConnect.charge_create(100, card, 'プレミアム料')

    payment = Payment.create(response.merge(user_id: current_user.try(:id)))
    card    = Card.create(card.merge(user_id: current_user.try(:id)))

    # 課金情報の取得
    response = WebPayConnect.charge_retrieve('ch_gNP3TE4GB0bC6eX')

    # 課金リストの取得
    response = WebPayConnect.charge_list(5, 10)
  end
end

file24.txt

vi lib/webpay/scaffold/version.rb
----------
module Webpay
  module Scaffold
    VERSION = "0.0.1"
  end
end
----------

file25.txt

git add . && git commit -m "Release 0.0.1"
git push origin master

file26.txt

rake release
----------
webpay-scaffold 0.0.1 built to pkg/webpay-scaffold-0.0.1.gem.
Tagged v0.0.1.
Pushed git commits and tags.
Pushed webpay-scaffold 0.0.1 to rubygems.org.
----------

file27.txt

gem uninstall webpay-scaffold
----------
Successfully uninstalled webpay-scaffold-0.0.1
----------

file28.txt

gem install webpay-scaffold
----------
Fetching: webpay-scaffold-0.0.1.gem (100%)
Successfully installed webpay-scaffold-0.0.1
1 gem installed
----------

file3.txt

-----
Project Name
[ webpay-scaffold ]

Description (optional)
[ Scaffold for WebPay API. ]

 => Create repository
-----

file4.txt

git remote add origin git@github.com:shu0115/webpay-scaffold.git
git push -u origin master

file5.txt

vi webpay-scaffold.gemspec

file6.rb

  spec.description   = %q{Scaffold for WebPay API.}
  spec.summary       = %q{WebPay Scaffold}
  spec.homepage      = "https://github.com/shu0115/webpay-scaffold"

  # 〜

  spec.add_dependency "webpay"
  spec.add_dependency "rails_config"

file7.txt

git add . && git commit -m "Update gemspec"
git push origin master

file8.txt

require "webpay/scaffold/version"
require 'rails/generators'
require 'webpay'
require 'rails_config'

module Webpay
  class ScaffoldGenerator < Rails::Generators::Base
    @@template_path = source_root File.expand_path( "../scaffold/templates", __FILE__ )

    def generate_scaffold
      ## config/initializers
      copy_file( "#{@@template_path}/initializers/web_pay.rb", "config/initializers/web_pay.rb" )

      ## db/migrate
      copy_file( "#{@@template_path}/migrate/create_payments.rb", "db/migrate/20010101000000_create_payments.rb" )
      copy_file( "#{@@template_path}/migrate/create_cards.rb", "db/migrate/20010102000000_create_cards.rb" )

      ## models
      copy_file( "#{@@template_path}/models/card.rb", "app/models/card.rb" )
      copy_file( "#{@@template_path}/models/payment.rb", "app/models/payment.rb" )
      copy_file( "#{@@template_path}/models/web_pay_connect.rb", "app/models/web_pay_connect.rb" )

      ## settings
      if File.exist?("config/settings.yml")
        content = "\n# WebPay API Key\n"
        content += "web_pay_api_key: 'test_secret_5ete0yfRC3g67ndfMm0kC1S9'\n"
        content += "web_pay_currency: 'jpy'\n"
        append_file( "config/settings.yml", content.force_encoding('ASCII-8BIT') )
      else
        copy_file( "#{@@template_path}/config/settings.yml", "config/settings.yml" )
      end
    end
  end
end

file9.txt

git add . && git commit -m "Update"
git push origin master