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class Contact # self is the class include Validatable attr_accessor :name, :email, :phone, :message validates_presence_of :name, :message => "Name is required." validates_format_of :email, :with => /^[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,4}$/i, :message => "Email is not valid." validates_format_of :phone, :with => /^[0-9]{3,3}-[0-9]{3,3}-[0-9]{4,4}$/, :message => "Phone number is not valid (xxx-xxx-xxxx)." validates_presence_of :message, :message => "Name is required." class << self alias_method :new_without_params, :new def new params ={} returning new_without_params do |contact| params.each_pair do |key,value| contact.send "#{key}=", value end end end end def phone=(phone) # self is the object @phone = phone.gsub(/[^0-9]/, "").gsub(/^([0-9]{0,3})([0-9]{0,3})([0-9]{0,})$/) do |match| tmp = "" tmp += $1 if $1.size > 0 tmp += "-" + $2 if $2.size > 0 tmp += "-" + $3 if $3.size > 0 tmp end end def deliver if valid? ContactMailer.deliver_contact(self) else false end end end

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