Creation of a Rails API app

[matteodepalo]

The user should be able to create a Rails API app with OAuth 2 provider gem (https://github.com/songkick/oauth2-provider) and a PostgreSQL db both installed and configured.

[potomak]

Example Rails template generated by Rails Wizard (ActiveRecord + Devise + Git + RSpec)

# >---------------------------------------------------------------------------<
#
#            _____       _ _   __          ___                  _ 
#           |  __ \     (_) |  \ \        / (_)                | |
#           | |__) |__ _ _| |___\ \  /\  / / _ ______ _ _ __ __| |
#           |  _  // _` | | / __|\ \/  \/ / | |_  / _` | '__/ _` |
#           | | \ \ (_| | | \__ \ \  /\  /  | |/ / (_| | | | (_| |
#           |_|  \_\__,_|_|_|___/  \/  \/   |_/___\__,_|_|  \__,_|
#
#   This template was generated by RailsWizard, the amazing and awesome Rails
#     application template builder. Get started at http://railswizard.org
#
# >---------------------------------------------------------------------------<

# >----------------------------[ Initial Setup ]------------------------------<

initializer 'generators.rb', <<-RUBY
Rails.application.config.generators do |g|
end
RUBY

@recipes = ["activerecord", "devise", "git", "rspec"] 

def recipes; @recipes end
def recipe?(name); @recipes.include?(name) end

def say_custom(tag, text); say "\033[1m\033[36m" + tag.to_s.rjust(10) + "\033[0m" + "  #{text}" end
def say_recipe(name); say "\033[1m\033[36m" + "recipe".rjust(10) + "\033[0m" + "  Running #{name} recipe..." end
def say_wizard(text); say_custom(@current_recipe || 'wizard', text) end

def ask_wizard(question)
  ask "\033[1m\033[30m\033[46m" + (@current_recipe || "prompt").rjust(10) + "\033[0m\033[36m" + "  #{question}\033[0m"
end

def yes_wizard?(question)
  answer = ask_wizard(question + " \033[33m(y/n)\033[0m")
  case answer.downcase
    when "yes", "y"
      true
    when "no", "n"
      false
    else
      yes_wizard?(question)
  end
end

def no_wizard?(question); !yes_wizard?(question) end

def multiple_choice(question, choices)
  say_custom('question', question)
  values = {}
  choices.each_with_index do |choice,i| 
    values[(i + 1).to_s] = choice[1]
    say_custom (i + 1).to_s + ')', choice[0]
  end
  answer = ask_wizard("Enter your selection:") while !values.keys.include?(answer)
  values[answer]
end

@current_recipe = nil
@configs = {}

@after_blocks = []
def after_bundler(&block); @after_blocks << [@current_recipe, block]; end
@after_everything_blocks = []
def after_everything(&block); @after_everything_blocks << [@current_recipe, block]; end
@before_configs = {}
def before_config(&block); @before_configs[@current_recipe] = block; end



# >-----------------------------[ ActiveRecord ]------------------------------<

@current_recipe = "activerecord"
@before_configs["activerecord"].call if @before_configs["activerecord"]
say_recipe 'ActiveRecord'

config = {}
config['database'] = multiple_choice("Which database are you using?", [["MySQL", "mysql"], ["Oracle", "oracle"], ["PostgreSQL", "postgresql"], ["SQLite", "sqlite3"], ["Frontbase", "frontbase"], ["IBM DB", "ibm_db"]]) if true && true unless config.key?('database')
config['auto_create'] = yes_wizard?("Automatically create database with default configuration?") if true && true unless config.key?('auto_create')
@configs[@current_recipe] = config

if config['database']
  say_wizard "Configuring '#{config['database']}' database settings..."
  old_gem = gem_for_database
  @options = @options.dup.merge(:database => config['database'])
  gsub_file 'Gemfile', "gem '#{old_gem}'", "gem '#{gem_for_database}'"
  template "config/databases/#{@options[:database]}.yml", "config/database.yml.new"
  run 'mv config/database.yml.new config/database.yml'
end

after_bundler do
  rake "db:create:all" if config['auto_create']
end


# >--------------------------------[ Devise ]---------------------------------<

@current_recipe = "devise"
@before_configs["devise"].call if @before_configs["devise"]
say_recipe 'Devise'


@configs[@current_recipe] = config

gem 'devise'

after_bundler do
  generate 'devise:install'

  if recipes.include? 'mongo_mapper'
    gem 'mm-devise'
    gsub_file 'config/initializers/devise.rb', 'devise/orm/', 'devise/orm/mongo_mapper_active_model'
    generate 'mongo_mapper:devise User'
  elsif recipes.include? 'mongoid'
    gsub_file 'config/initializers/devise.rb', 'devise/orm/active_record', 'devise/orm/mongoid'
  end      

  generate 'devise user'
end


# >----------------------------------[ Git ]----------------------------------<

@current_recipe = "git"
@before_configs["git"].call if @before_configs["git"]
say_recipe 'Git'


@configs[@current_recipe] = config

after_everything do
  git :init
  git :add => '.'
  git :commit => '-m "Initial import."'
end


# >---------------------------------[ RSpec ]---------------------------------<

@current_recipe = "rspec"
@before_configs["rspec"].call if @before_configs["rspec"]
say_recipe 'RSpec'


@configs[@current_recipe] = config

gem 'rspec-rails', '>= 2.0.1', :group => [:development, :test]

inject_into_file "config/initializers/generators.rb", :after => "Rails.application.config.generators do |g|\n" do
  "    g.test_framework = :rspec\n"
end

after_bundler do
  generate 'rspec:install'
end





@current_recipe = nil

# >-----------------------------[ Run Bundler ]-------------------------------<

say_wizard "Running Bundler install. This will take a while."
run 'bundle install'
say_wizard "Running after Bundler callbacks."
@after_blocks.each{|b| config = @configs[b[0]] || {}; @current_recipe = b[0]; b[1].call}

@current_recipe = nil
say_wizard "Running after everything callbacks."
@after_everything_blocks.each{|b| config = @configs[b[0]] || {}; @current_recipe = b[0]; b[1].call}

[matteodepalo]

Rails guide to template creation: http://edgeguides.rubyonrails.org/rails_application_templates.html