A script to generate all of our ActionMailer emails

mail_generator.rb

# rails runner lib/mail_generator.rb
OUTPUT_DIR = 'mail_examples'
`rm -rf #{OUTPUT_DIR}/`
`mkdir #{OUTPUT_DIR}/`

@methods = UserMailer.instance_methods(false).map(&:to_sym)

def generate(method, *params)
  mail = UserMailer.send(method, *params)
  
  parts = {}
  parts['html'] = mail.html_part if mail.html_part
  parts['txt'] = mail.text_part if mail.text_part
  
  parts.each_pair do |type, part|
    path = "#{OUTPUT_DIR}/#{method}.#{type}"
    
    File.open(path, 'w') {|f| f.write(part.body.decoded) }
    `open #{path}`
  end
  
  @methods.delete(method)
end

generate :creation_message,           User.last
generate :clip_featured_notification, AudioClip.last
generate :username_change_message,    User.last,   'monkey'
generate :comment_notification,       User.last,   Comment.last
generate :messaging_invitation,       User.last,   "[email protected]"
generate :password_reset_message,     User.last
generate :following_notification,     Following.last
generate :email_change_message,       User.last,   '[email protected]'
generate :message_notification,       User.last,    Message.last
generate :api_approval_notification,  User.last,    Service.last

puts "Methods not generated: " + @methods.join(', ') unless @methods.empty?