Scene activations

What I call the scene activation flows are flows that based upon a set of aggregated states, calculates some logic to decide which scene for a given area.
There need to be one scene activation flow for each aggregated state variable that might change, in order to trigger.
I use this naming scheme for the trigger flows: SA areaname [variable].
For the basement, I have these flows:
SA 0etg [presence]
SA 0etg [timeperiod]
SA 0etg [tv]
These three aggregated states are used to calculate which scene is active.
The logic to decide which scene runs as a homeyscript.
Here is an example of SA 0etg [presence]:
Homeyscripts does not have sufficient permissions to set logic variables directly, instead the homeyscript will export a tag, by adding a line like this:
await setTagValue("scene-0kjellerstua", {type: 'string', title:'Scene 0kjellerstua'}, sceneid)
and when the homeyscript run as an and-condition, the result will be available in a tag, and you will set the scene variable in a then-condition. Be aware to use the tag listed under HomeyScript:
Homeyscript
I have one homeyscript with logic for each scene variable. The script makes use of a set of logic variables as input. Make sure that the same logic variables that you actually make use of has a trigger flow as mention above (with the variable has changed in the when condition).
Here is the homescript for kjellerstua:
Scene-0etg.js
let variables = await Homey.logic.getVariables()
let getVar = (name) => {
    let x = _.find(variables, (val, key) => {return (val.name === name) })
    if (typeof x === 'undefined') throw new Error("Could not find variable [" + name + "]")
    return x
}
// Variables: home,timeperiod,presence-0etg
let home = getVar('home').value
let timeperiod = getVar('timeperiod').value
let presence = getVar('presence-0etg').value
let tv = getVar('tv').value
​
// Scenes: normal, soft, dim, flood
// Timeperiods: morning, day, evening, late, night
​
let sceneid = "off"
if (presence) {
    if (tv)  {
        sceneid = "tv"
    } else if (timeperiod === 'day') {
        sceneid = "normal"
    } else {
        sceneid = "dim"
    }
    
} 
await setTagValue("scene-0kjellerstua", {type: 'string', title:'Scene 0kjellerstua'}, sceneid)
return true;
Here is another example for the second floor:
Scene-2etg.js
let variables = await Homey.logic.getVariables()
let getVar = (name) => {
    let x = _.find(variables, (val, key) => {return (val.name === name) })
    if (typeof x === 'undefined') throw new Error("Could not find variable [" + name + "]")
    return x
}
// Variables: home,bright,timeperiod,presence-2etg
let home = getVar('home').value
let bright = getVar('bright').value
let timeperiod = getVar('timeperiod').value
let presence = getVar('presence-2etg').value
​
// Scenes: normal, soft, dim, away, night, nightp, bright, flood
// Timeperiods: morning, day, evening, late, night
​
let sceneid = "off"
​
if (timeperiod === 'night' && presence) {
    sceneid = "nightp"
} else if (timeperiod === 'night') {
    sceneid = "night"
} else if (!home) {
    sceneid = "away"
} else if (!presence) {
    sceneid = "night"
} else if (bright) {
    sceneid = "bright"
} else if (timeperiod === "morning") {
    sceneid = "soft"
} else if (timeperiod === "evening") {
    sceneid = "soft"
} else if (timeperiod === "late") {
    sceneid = "dim"
} else {
    sceneid = "normal"
}
​
await setTagValue("scene-2etg", {type: 'string', title:'Scene 2etg'}, sceneid)
return true;
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Last updated 11 months ago