start making csv import/export more dynamic

booking.helper.inc

@@ -1315,6 +1315,19 @@ function _booking_paypal_form_builder($node, &$form_state, $person, $invoiceid,
 	return $form;
 }
 
+/**
+ * Helper function to provide a list of columns in the booking_person table
+ * This will be used to select which fields to import/export to/from a CSV
+ */
+function _booking_get_person_fields() {
+	$query = db_query('SHOW COLUMNS FROM {booking_person}');
+	$list_of_columns = new stdClass();
+	while ($res = db_fetch_array($query)) {
+		$list_of_columns->$res['Field'] = $res['Field']; 
+	}	
+	return $list_of_columns;
+}
+
 
 /**
  * Helper function to format registrations details for summary in the confirmation email