class LocalEmail < Email validate :unique_on_server validate :unique_alias_for_user validate :differs_from_main_email before_validation :add_domain_if_needed validates :email, :presence => true, :format => { :with => /@#{APP_CONFIG[:domain]}\Z/, :message => "needs to end in @#{APP_CONFIG[:domain]}"} validates :casted_by, :presence => true def to_partial_path "emails/email" end protected def unique_on_server has_email = User.find_by_email_or_alias(email) if has_email && has_email != self.base_doc errors.add :email, "has already been taken" end end def unique_alias_for_user aliases = self.casted_by.email_aliases if aliases.select{|a|a.email == self.email}.count > 1 errors.add :email, "is already your alias" end end def differs_from_main_email # If this has not changed but the email let's mark the email invalid instead. return if self.persisted? user = self.casted_by if user.email == self.email errors.add :email, "may not be the same as your email address" end end def add_domain_if_needed if email.blank? errors.add :email, "may not be empty." end self.email += "@" + APP_CONFIG[:domain] unless self.email.include?("@") end end