Control two openHAB items with just one Google Assistens Item

Apps & Services Google Assistant
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7

Ok, I think I have it working now with the proxy approach:

Proxy item:

Dimmer		AU_Sauna_Licht_Kabine_Proxy_GA		"Sauna Kabine"																				{ ga="Light" }

Rules:

  1. Translate commands FROM Assistant TO the real items
    1b) Fix value in GA displaying 100% after “Turn on” command sent to Assistant
  2. Translate ON/OFF or brightness changes FROM real item TO Assistant

Maybe some edge cases (null items etc.) are still missing.

rule "Sauna Kabine Proxy Google Assistant - FROM proxy TO real item" // 1
when
    Item AU_Sauna_Licht_Kabine_Proxy_GA received command
then
    if (receivedCommand instanceof OnOffType) {
        AU_Sauna_Licht_Kabine.sendCommand(receivedCommand)
	} else if (receivedCommand.toString == "0") {
		AU_Sauna_Licht_Kabine.sendCommand("OFF")
	} else {
		AU_Sauna_Licht_Kabine.sendCommand("ON")
        AU_Sauna_Licht_Kabine_Helligkeit.sendCommand(receivedCommand)
    }
end

// Fix value in GA displaying 100% after "Turn on" command sent to GA
rule "Sauna Kabine Proxy Google Assistant - FROM proxy TO real item (fix)" // 1b
when
    Item AU_Sauna_Licht_Kabine_Proxy_GA received update
then
    if (AU_Sauna_Licht_Kabine.state.toString == "ON" &&
		AU_Sauna_Licht_Kabine_Proxy_GA.state.toString != AU_Sauna_Licht_Kabine_Helligkeit.state.toString) {
		if (AU_Sauna_Licht_Kabine_Helligkeit.state == NULL) {
			logWarning("Licht", "AU_Sauna_Licht_Kabine_Helligkeit NULL")
			return;
		}
		AU_Sauna_Licht_Kabine_Proxy_GA.postUpdate(AU_Sauna_Licht_Kabine_Helligkeit.state.toString)
	}
end

rule "Sauna Kabine Proxy Google Assistant - FROM real item TO proxy" // 2
when
    Item AU_Sauna_Licht_Kabine changed or
	Item AU_Sauna_Licht_Kabine_Helligkeit changed
then
	if (AU_Sauna_Licht_Kabine.state == NULL) {
		logWarning("Licht", "AU_Sauna_Licht_Kabine NULL")
		return;
	}
    if (AU_Sauna_Licht_Kabine.state.toString == "ON") {
		if (AU_Sauna_Licht_Kabine_Helligkeit.state == NULL) {
			logWarning("Licht", "AU_Sauna_Licht_Kabine_Helligkeit NULL")
			return;
		}
        AU_Sauna_Licht_Kabine_Proxy_GA.postUpdate(AU_Sauna_Licht_Kabine_Helligkeit.state.toString)
    } else {
        AU_Sauna_Licht_Kabine_Proxy_GA.postUpdate("OFF")
    }
end

So now everything is working but I needed 3 rules for it. I have a feeling that there might be a simpler approach, so if anybody knows how to simplify this I’m quite interested :slight_smile:

Thanks for your help guys!

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