study group update calculations

booking.constants.inc

@@ -135,6 +135,38 @@ function _booking_room_bedtype_lookup($input = NULL)
 		return $bed;
 }
 
+/**
+ * Helper function to look up reading group colour based on group id
+ * @param $input integer containing group id
+ * @return string for corresponding reading group colour
+ */
+function _booking_readinggroup_colour_lookup($input = NULL)
+{
+	$group = array();
+	$group[] = '';
+	$group[] = t('Silver/Grey');
+	$group[] = t('Stripes');	
+	$group[] = t('Spots');
+	$group[] = t('Beige');
+	$group[] = t('Maroon');
+	$group[] = t('Pink');
+	$group[] = t('Black');
+	$group[] = t('Yellow');
+	$group[] = t('Purple');
+	$group[] = t('White');
+	$group[] = t('Red');
+	$group[] = t('Orange');
+	$group[] = t('Checks');
+	$group[] = t('Green');
+	$group[] = t('Blue');
+	$group[] = t('Brown');
+
+	if ($input != NULL)
+		return $group[$input];
+	else
+		return $group;
+}
+
 /**
  * Helper function to reliably (without using any external APIs) provide a list of options for the country field used in the registration form
  */