GForm Mailchimp validation

gistfile1.txt

add_filter( 'gform_field_validation', 'check_mailchimp_status', 10, 4 );
function check_mailchimp_status ( $result, $value, $form, $field ) {
	$target_form = 10;

	if ( ($field->formId == $target_form) && ($field->id == 1) ) {

		if ( $field->type == 'email' && $result['is_valid'] && class_exists( 'GF_MailChimp_API' ) ) {
				fb_log( 'gform_field_validation: running.' );
				$api_key = gf_mailchimp()->get_plugin_setting( 'apiKey' );

				if ( rgblank( $api_key ) ) {
						return $result;
				}

				$entry   = GFFormsModel::get_current_lead();
				$feeds   = gf_mailchimp()->get_single_submission_feed_by_form( $form, $entry );

				$list_id = $feeds['meta']['mailchimpList'];

				if ( empty( $list_id ) ) {
						return $result;
				}

				try {

						// Get member info.
						$mc_api = new GF_MailChimp_API( $api_key );
						$member = $mc_api->get_list_member( $list_id, $value );

						// Set member status.
						$member_status = $member['status'];

				} catch ( Exception $e ) {

						// The email is not on the list or there was an API issue.
						$member_status = false;

				}

				//
				// Populate the Mailchimp member status field - ?????????
				//
				$form = rgpost( $member_status );


				if ( $member_status != 'subscribed' ) {
					fb_log(print_r( $member_status, true ) );
				}

				if ( $member_status == 'subscribed' ) {
					$result['is_valid'] = true;
					$result['message']  = '';
				} elseif ( $member_status == 'pending' ) {
					$result['is_valid'] = false;
					$result['message']  = empty( $field->errorMessage ) ? '<div class="large"><p>Please check your email for a confirmation email.</p><p>You must click the \'Yes, subscribe me to this list\' button to confirm your subscription.</p></div>' : $field->errorMessage;

				} else {
					$result['is_valid'] = false;
					$result['message']  = empty( $field->errorMessage ) ? '<div class="large"><p>You must be signed up to and have confirmed your subscription to the CFO Newsletter to access this resource.</p><p><a href="'.get_bloginfo('url').'/sign-up-for-our-newsletter?returnPath='.get_current_page_slug().'#gf_10">Click here to sign up now</a>.</p></div>'.$extra_js : $field->errorMessage;
				}
		}
	}

	return $result;
}