/** * Return mail format string to send to mailchimp based on subscription object * * @param Interspire_EmailIntegration_Subscription $subscription * @return string */ protected function getEmailFormat (Interspire_EmailIntegration_Subscription $subscription) { switch ($subscription->getEmailFormatPreference()) { case Interspire_EmailIntegration_Subscription::FORMAT_PREF_MOBILE: return 'mobile'; case Interspire_EmailIntegration_Subscription::FORMAT_PREF_TEXT: return 'text'; default: return 'html'; } }