From b90c97b1f096008b5fa9abf8c50a120a85c47a4e Mon Sep 17 00:00:00 2001
From: Simon Rettberg
Date: Thu, 30 Nov 2017 18:30:01 +0100
Subject: [roomplanner] Refactor to use runmode

---
 modules-available/locations/inc/location.inc.php | 25 ++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

(limited to 'modules-available/locations')

diff --git a/modules-available/locations/inc/location.inc.php b/modules-available/locations/inc/location.inc.php
index 476f4c68..0576e660 100644
--- a/modules-available/locations/inc/location.inc.php
+++ b/modules-available/locations/inc/location.inc.php
@@ -37,6 +37,11 @@ class Location
 		return Database::queryFirst("SELECT * FROM location WHERE locationid = :locationId", compact('locationId'));
 	}
 
+	/**
+	 * Get name of location
+	 * @param int $locationId id of location to get name for
+	 * @return string|false Name of location, false if locationId doesn't exist
+	 */
 	public static function getName($locationId)
 	{
 		self::getLocationsAssoc();
@@ -46,6 +51,26 @@ class Location
 		return self::$assocLocationCache[$locationId]['locationname'];
 	}
 
+	/**
+	 * Get all the names of the given location and its parents, up
+	 * to the root element. Array keys will be locationids, value the names.
+	 * @param int $locationId
+	 * @return array|false locations, from furthest to nearest or false if locationId doesn't exist
+	 */
+	public static function getNameChain($locationId)
+	{
+		self::getLocationsAssoc();
+		settype($locationId, 'int');
+		if (!isset(self::$assocLocationCache[$locationId]))
+			return false;
+		$ret = array();
+		while (isset(self::$assocLocationCache[$locationId])) {
+			$ret[$locationId] = self::$assocLocationCache[$locationId]['locationname'];
+			$locationId = self::$assocLocationCache[$locationId]['parentlocationid'];
+		}
+		return array_reverse($ret, true);
+	}
+
 	public static function getLocationsAssoc()
 	{
 		if (self::$assocLocationCache === false) {
-- 
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