Errors

class EmailForm

  EMAIL_REGEX = /\A[\w\.%\+\-]+@(?:[A-Z0-9\-]+\.)+(?:[A-Z]{2,4}|museum|travel)\z/i
  
  class Errors < Array
    def on(method)
      unless blank?
        error = find{|error| error[0].to_sym == method.to_sym}
        return error[1] unless error.blank?
      end
    end
  end
  
  attr_accessor :name, :email, :message, :card_number
  attr_reader :errors
  
  def initialize(params={})
    @name         = params[:name]
    @email        = params[:email]
    @message      = params[:message]
    @card_number  = params[:card_number] || ""
    @errors       = Errors.new
  end
  
  def valid?
    @errors.clear
    @errors << ["name", "Name needs to be filled in"] if @name.blank?
    @errors << ["email", "Email needs to be filled in"] if @email.blank?
    unless (EMAIL_REGEX =~ @email)
      @errors << ["email", "That doesn't appear to be a valid email address"] 
    end
    @errors << ["message", "We need some details on the issues you're having"] if @message.blank?
    @errors.length == 0
  end
  
  def deliver
    if valid?
      Admin::Notifier.deliver_help_request(self)
      return true
    else
      return false
    end
  end
  
end