Trigger a Thing http url by a rule

Setup, Configuration and Use Scripts & Rules
1
  • Platform information:
    • OS: Ubuntu Server 22.04.4
    • openHAB version: 4.2.1

Hi community

I am failing to send an https request. I want to start a machine with the following call:

In browser:

http://192.168.0.132/hh?command=setSmartStart&value=%7B%22starttime%22%3A%200%7D

It works fine in the browser. The call sets the start delay to 0 and the machine starts.
(Side note: The time offset for starting the machine in seconds is {“starttime”: 0} converted it is %7B%22starttime%22%3A%200%7D)

Things file:

Thing http:url:TestMachine "TestMachine" [
    baseURL="http://192.168.0.132/",
    refresh=15] {
        Channels:
            Type string : inactiveStatus "Inactive Status" [ 
                stateExtension="ai?command=getDeviceStatus", 
                stateTransformation="JSONPATH:$.Inactive" ]
            Type switch : startMachine "Start Machine" [ 
                commandExtension="hh?command=%2$s",
                onValue="setSmartStart&value=%7B%22starttime%22%3A%200%7D",
                offValue="setSmartStart&value=%7B%22starttime%22%3A%209999%7D",
                mode="WRITEONLY"]
}

Items file:

Switch dishwasher_startMachine "Dishwasher Smart Start" { channel="http:url:TestMachine:startMachine" }
String dishwasherInactiveStatus "Dishwasher Inactive Ready" { channel="http:url:TestMachine:inactiveStatus" }

Rules file:

.....
    dishwasher_startMachine.sendCommand(ON)
    logInfo(logName, "Dishwasher ON")
....
end

Querying the ‘inactiveStatus’ works perfectly. But the machine is never started by the sendCommand.

It would be great if someone had an idea.

Many thanks,
Michael

2

oh the solution was not far away:

    ......
    Type switch : startMachine "Start Machine" [ 
        commandExtension="hh?command=%2$s",
        onValue="setSmartStart&value={\"starttime\": 0}",
        offValue="setSmartStart&value={\"starttime\": 900}",
        mode="WRITEONLY"]
    ......

But I still have one question, which type should be selected so that the time can be transferred in the ‘sendCommand’ (like dishwasher_startMachine.sendCommand(0) )?

items file

XXXXXX dishwasher_startMachine "Dishwasher Smart Start" { channel="http:url:TestMachine:startMachine" }

things file

    ......
    Type ?????? : startMachine "Start Machine" [ 
        commandExtension="hh?command=????????",
        mode="WRITEONLY"]
    ......

Many thanks,
Michael

3

You’d need to use a Number item, so you can command it with a number.

Then, according to HTTP - Bindings | openHAB
You’d use %2$ (click the link to read more)

4

To be more specific:

Thing http:url:TestMachine "TestMachine" [
    baseURL="http://192.168.0.132/",
    refresh=15] {
        Channels:
            Type string : inactiveStatus "Inactive Status" [ 
                stateExtension="ai?command=getDeviceStatus", 
                stateTransformation="JSONPATH:$.Inactive" ]
            Type number : startMachine "Start Machine" [ 
                commandExtension="hh?command=setSmartStart&value={\"starttime\": %2$s}",
                mode="WRITEONLY"]
}

But I did not test :slight_smile:

5

Thank you @JimT and @Udo_Hartmann . Works perfectly.