From cd67e50062a6f9381e7ac45324473701515a2fa0 Mon Sep 17 00:00:00 2001
From: Zaid Abdulla <zkam83@gmail.com>
Date: Tue, 15 Jan 2013 16:34:18 +0300
Subject: [PATCH] In presets, ignore config parameters that don't exist in the
 device

---
 common.coffee  | 9 ++++++---
 presets.coffee | 7 ++++---
 2 files changed, 10 insertions(+), 6 deletions(-)

diff --git a/common.coffee b/common.coffee
index ea0a705..f07d33f 100644
--- a/common.coffee
+++ b/common.coffee
@@ -38,9 +38,12 @@ exports.extend = (obj, mixin) ->
 exports.getParamValueFromPath = (obj, path) ->
   pp = path.split('.')
   ref = obj
-  for p in pp
-    ref = ref[p]
-  return ref
+  try
+    for p in pp
+      ref = ref[p]
+    return ref
+  catch err
+    return undefined
 
 
 exports.matchType = (src, dst) ->
diff --git a/presets.coffee b/presets.coffee
index a8f3156..cf82d56 100644
--- a/presets.coffee
+++ b/presets.coffee
@@ -73,9 +73,10 @@ exports.assertPresets = (deviceId, presetsHash, callback) ->
         switch c.type
           when 'value'
             src = common.getParamValueFromPath(device, "#{c.name}._value")
-            dst = common.matchType(src, c.value)
-            if src != dst
-              setParameterValues.push([c.name, dst])
+            if src isnt undefined # ignore parameters that don't exist
+              dst = common.matchType(src, c.value)
+              if src != dst
+                setParameterValues.push([c.name, dst])
           when 'age'
             timeDiff = (now - common.getParamValueFromPath(device, "#{c.name}._timestamp")) / 1000
             if (c.age - timeDiff < config.PRESETS_TIME_PADDING)