fix: payload parse of rgb dimmers #488 (#516)

lib/Gateway.js

@@ -408,6 +408,16 @@ function copy (obj) {
   return JSON.parse(JSON.stringify(obj))
 }
 
+/**
+ * Checks if an object_id is a rgb_dimmer
+ *
+ * @param {String} id object id of the hass discovery payload
+ * @returns true if the discovery payload object id is a rgb_dimmer
+ */
+function isRgbDimmer (id) {
+  return id.startsWith('rgb_dimmer')
+}
+
 /**
  * Get the device Object to send in discovery payload
  *
@@ -477,12 +487,14 @@ Gateway.prototype.parsePayload = function (payload, valueId, valueConf) {
     // Hass payload parsing
     if (this.discovered[valueId.value_id]) {
       // parse payload for switches
-      if ((valueId.type === 'bool' || this.discovered[valueId.value_id].object_id === 'rgb_dimmer') && typeof payload === 'string') {
+      const isDimmer = isRgbDimmer(this.discovered[valueId.value_id].object_id)
+
+      if ((valueId.type === 'bool' || isDimmer) && typeof payload === 'string') {
         if (/\btrue\b|\bon\b|\block\b/gi.test(payload)) payload = true
         else if (/\bfalse\b|\boff\b|\bunlock\b/gi.test(payload)) payload = false
       }
 
-      if (this.discovered[valueId.value_id].object_id === 'rgb_dimmer') {
+      if (isDimmer) {
         if (typeof payload === 'boolean') payload = payload ? 99 : 0
         else payload = Math.round(payload / 255 * 99)
       }