GA and transformations

Apps & Services Google Assistant
1

Hi all! I’m gathering some data from aquara temperature sensors using the http binding and a deconz gateway. Unfortunately the gateway gives the values multiplied by 100 thus let’s say a temperature of 19.21 °C is displayed on the channel as 1921 °C. I apply a JS transform on the item associated and that’s ok in the basic UI interface, but GA would still display it as 1921 °C. I even tried to cascade to transformations in the things configuration file, but it looks like it is possible just when using the mqtt binding. Is there a way to apply a transformation even to the GA data when using the http binding? Here’s my code:

Type number : temperature1 "Temperature1" [ stateTransformation="JSONPATH:$.11.state.temperature" ]
Number T_LivingRoom "Temperatura soggiorno [JS(divide.js):%s]" <temperature> { channel="http:url:aquara:temperature1" , ga="TemperatureSensor"}

Thank you!

2

Put the transform on the type not the item you can chain transformations together

3

I tried with no luck. Could you explain how to chain the JS transformation to the jsonpath one in the things file? Thanks

4

Transformations can be chained by separating them with the mathematical intersection character “∩”.


Type number : temperature1 "Temperature1" [ stateTransformation="JSONPATH:$.11.state.temperature∩JS(divide.js)" ]
Number T_LivingRoom "Temperatura soggiorno [%s]" <temperature> { channel="http:url:aquara:temperature1" , ga="TemperatureSensor"}

Its no an N n

5

I did exactly this and of course removed the JS transformation in the items file, but I got either on GA and basic UI the value divided by just ten. Let’s say if the sensor tells 1639 I get 164… My transformation is:

(function(i) { 
	var a = parseInt(i, 10);
	a = a/100;
	return a.toFixed(1).toString().replace(".", ",") + "°C"; 
})(input)

It’s like my script looses the comma…

6

Yay making progress they are both showing an incorrect value.

I am sure you will figure it out

7

Yes I figured out. I was meant to not format the value as string in the items file! Thank you!

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