Help with why this isn't working

[Trying_to_learn]

Sorry folks, the brain has yet again failed me.

This is the code (just to get it posted)

[{"id":"736e32dd.75a544","type":"function","z":"10fde8b5.a8a82f","name":"/ 1000","func":"let now = parseInt(msg.now/1000);\nmsg.now = now;\n//node.warn(\"Now \" + now);\n\nnode.warn(\"Detail: \" + msg.payload.detail);\n\nlet wind = msg.payload.windspeed;\nnode.status({text:wind});\n\n//let low = flow.get(\"$parent.base.wind.light\");\n//let strong = flow.get(\"base.wind.strong\");\nlet low = msg.base.wind.light;\nlet strong = msg.base.wind.strong;\n\n\nif (wind < low)\n{\n    flow.set(\"windstrength\",\"NO\");\n    node.status({text:\"NO\"});\n}\nif (wind > strong)\n{\n    flow.set(\"windstrength\",\"LIGHT\");\n    node.status({text:\"STRONG\"});\n}\nif (wind > strong)\n{\n    flow.set(\"windstrength\",\"STRONG\");\n    node.status({text:\"STRONG\"});\n}\n\n\n\nreturn msg;","outputs":1,"noerr":0,"initialize":"","finalize":"","libs":[],"x":960,"y":240,"wires":[["ea01de11.03a3e","d8ea8dba.4395f","44dad39d.b957cc","e8436f1c.bdc92","36c6cc84.b80cac","7372e63f.cc2e48","9e41f2e4.e015e","79b1ce9.789c23","83473f32.c036d8"]]},{"id":"ea01de11.03a3e","type":"switch","z":"10fde8b5.a8a82f","name":"Thunderstorm","property":"payload.detail","propertyType":"msg","rules":[{"t":"cont","v":"thunderstorm","vt":"str"}],"checkall":"true","repair":false,"outputs":1,"x":1310,"y":240,"wires":[["3f65d757.5766","efea611bd2cb6d6c"]]},{"id":"3f65d757.5766","type":"function","z":"10fde8b5.a8a82f","name":"","func":"node.warn(\"here\");\nreturn msg;","outputs":1,"noerr":0,"initialize":"","finalize":"","libs":[],"x":1735,"y":240,"wires":[["a206a1b0.6c1ae","1ef5916f.d41457"]],"l":false}]

I have written a subflow to decode weather and give an icon output controlled by the incoming message payload.

(Screen shot)

So you can see a node.warn() output showing the msg.payload.detail contents.

To the right of that there is the switch node which looks if msg.payload.detail contains "thunderstorm".

If it does, it sends the message on.

Then, further to the right, is a function node that warns here and that is never done.

Where is the elephant I'm missing?

[zenofmud]

Put a debug node on the output of the '/ 1000' function node and show the results. Does it have a value that will pass it thru the switch?

[Trying_to_learn]

That's a bit hard as it is a subflow.
But the node.warn() is showing the correct / expected value. "some thunderstorm detected".

That is the first (upper) red line/message you see in the picture.

[zenofmud]

Well then, put a debug node (set to display the complete msg object) on the output of the node calling the subflow.

Using that tiny snippet of your flow and creating some test data shows it works fine so it has to be someting else going on. But not having the full flow makes it difficult to help you out.

[Trying_to_learn]

Sorry, to further confuse me I copied that node OUTSIDE the subflow and put a trigger node after it (to indicate the message passing) and it triggers.

SO it works outside the subflow but seems to be failing inside the subflow.

(I'll read your reply now)

[Trying_to_learn]

This is the external code:

[{"id":"af1cae3714cc805f","type":"inject","z":"ae12fd.00ef75","name":"thunderstorm","props":[{"p":"payload.detail","v":"some thunderstorm detected","vt":"str"},{"p":"payload.sunrise","v":"1662667440","vt":"num"},{"p":"now","v":"1662707311383","vt":"num"}],"repeat":"","crontab":"","once":false,"onceDelay":0.1,"topic":"","x":770,"y":370,"wires":[["fbbc64a4.0fc378","1981fbea140f9e8b","b97778424dba56a6"]]},{"id":"1981fbea140f9e8b","type":"debug","z":"ae12fd.00ef75","name":"","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"payload.detail","targetType":"msg","statusVal":"","statusType":"auto","x":990,"y":370,"wires":[]},{"id":"b97778424dba56a6","type":"switch","z":"ae12fd.00ef75","name":"Thunderstorm","property":"payload.detail","propertyType":"msg","rules":[{"t":"cont","v":"thunderstorm","vt":"str"}],"checkall":"true","repair":false,"outputs":1,"x":980,"y":330,"wires":[["e0d994dfa09d54ed"]]},{"id":"e0d994dfa09d54ed","type":"trigger","z":"ae12fd.00ef75","name":"","op1":"1","op2":"0","op1type":"str","op2type":"str","duration":"4","extend":false,"overrideDelay":false,"units":"s","reset":"","bytopic":"all","topic":"topic","outputs":1,"x":1180,"y":330,"wires":[[]]}]

The switch node is a copy of what is in subflow.
The debug shows what I am expecting - is it correct?
The trigger node is triggered indicating that the switch node is passing the message.

The original code I posted is basically the first nodes in the subflow.

Does that help?

This is a screen show of what I originally did but from the flow's level.

[Trying_to_learn]

Argh,

There is the subflow.

EXTERNAL NODES NEEDED for weather.

[{"id":"10fde8b5.a8a82f","type":"subflow","name":"Weather","info":"1 11 2020\nA lot better.\nIcons working as expected.\nThough more testing is needed.\n\nPut in option to set `msg.colour` but not\nimplimented yet.\n\n\n\nSecret stuff\nd8f8c3e28e887076433ae31e5b78a45b","category":"","in":[{"x":540,"y":240,"wires":[{"id":"82fafc1a.b3e21"},{"id":"e779ead8.7386e8"},{"id":"3beba12.b00ef5e"}]}],"out":[{"x":2350,"y":260,"wires":[{"id":"3cb516b6.5757a2","port":0},{"id":"7fb1a81d.4da6a","port":0}]},{"x":2350,"y":370,"wires":[{"id":"e7a1c497.51056","port":0},{"id":"c35495e6.e376e","port":0}]},{"x":2350,"y":530,"wires":[{"id":"4af57184.36b928","port":0},{"id":"e013d5fa.259aa8","port":0}]},{"x":2350,"y":760,"wires":[{"id":"56758975.26f77","port":0},{"id":"16427981.3398f6","port":0},{"id":"c67bbc79.6116a8","port":0},{"id":"8bbff73b.e2e4a","port":0},{"id":"b12861e9.c712c","port":0},{"id":"bd087fda.40cab8","port":0},{"id":"2d19f161.e486b6","port":0}]},{"x":2350,"y":1080,"wires":[{"id":"c125972d.f52058","port":0},{"id":"8eb3fc7c.41e288","port":0},{"id":"4fba7468.c48934","port":0},{"id":"b4b37e81.224e8","port":0}]},{"x":2350,"y":1240,"wires":[{"id":"96598146.3bee48","port":0},{"id":"ad18fd86.0823d8","port":0},{"id":"e1d34ac8.0443f8","port":0}]},{"x":2350,"y":1510,"wires":[{"id":"ba81b366.5f6f1","port":0},{"id":"222bebf1.8372cc","port":0}]},{"x":2350,"y":1700,"wires":[{"id":"c790fb1.e0ea508","port":0},{"id":"b1591fa0.61913","port":0}]},{"x":2350,"y":2400,"wires":[{"id":"3347e292.2479fe","port":0}]},{"x":2350,"y":2450,"wires":[]},{"x":2350,"y":2500,"wires":[{"id":"131947f4.de572","port":0}]},{"x":2350,"y":2550,"wires":[{"id":"6c63bf11.09bb5","port":0}]},{"x":2350,"y":2600,"wires":[{"id":"24151a93.78a12e","port":0}]}],"env":[],"meta":{},"color":"#87A980","outputLabels":["Thunderstorms","Hail","Fog","Rain","Cloudy","Partly cloudy","Fair","Snow","TEMP FOR WIND","Intensity of rain","If you want to use the msg.icon","Cloud % coverage","Icon not found"],"icon":"font-awesome/fa-snowflake-o"},{"id":"3cb516b6.5757a2","type":"change","z":"10fde8b5.a8a82f","name":"Day thunderstorm","rules":[{"t":"set","p":"payload","pt":"msg","to":"wi wi-day-thunderstorm","tot":"str"}],"action":"","property":"","from":"","to":"","reg":false,"x":2060,"y":260,"wires":[["f66104d5.41ab7"]]},{"id":"e7a1c497.51056","type":"change","z":"10fde8b5.a8a82f","name":"Day hail","rules":[{"t":"set","p":"payload","pt":"msg","to":"wi wi-day-hail","tot":"str"}],"action":"","property":"","from":"","to":"","reg":false,"x":2030,"y":370,"wires":[["7ee3a01.855406"]]},{"id":"4af57184.36b928","type":"change","z":"10fde8b5.a8a82f","name":"Day fog","rules":[{"t":"set","p":"payload","pt":"msg","to":"wi 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flow.set(\"windstrength\",\"LIGHT\");\n    node.status({text:\"STRONG\"});\n}\nif (wind > strong)\n{\n    flow.set(\"windstrength\",\"STRONG\");\n    node.status({text:\"STRONG\"});\n}\n\n\n\nreturn msg;","outputs":1,"noerr":0,"initialize":"","finalize":"","libs":[],"x":960,"y":240,"wires":[["ea01de11.03a3e","d8ea8dba.4395f","44dad39d.b957cc","e8436f1c.bdc92","36c6cc84.b80cac","7372e63f.cc2e48","9e41f2e4.e015e","79b1ce9.789c23","83473f32.c036d8","03cbcdc7380cb7d7"]]},{"id":"b6c0418c.e3f6a8","type":"change","z":"10fde8b5.a8a82f","name":"now and clouds","rules":[{"t":"set","p":"now","pt":"msg","to":"","tot":"date"},{"t":"set","p":"CloudCoverage","pt":"flow","to":"msg.data.clouds.all","tot":"msg"}],"action":"","property":"","from":"","to":"","reg":false,"x":740,"y":240,"wires":[["736e32dd.75a544","29732b22.a849bc"]]},{"id":"3f65d757.5766","type":"function","z":"10fde8b5.a8a82f","name":"","func":"node.warn(\"here\");\nreturn 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And!

It's a bit of a dog's breakfast in it's working layout.

I put a bit of stuff in it to maybe stop/block any rain message getting through if thunderstorm is mentioned, as rain may also be in the message and so I don't get the correct (desired?) icon.

[zenofmud]

Why do you think it is a problem to add a debug node in a subflow? Just double click on the subflow and it will open in a new tab, then you can add the debug, deploy and test.

[Trying_to_learn]

But aren't debug nodes disabled in subflows?

That's what I thought.... But you know what thought did.

No output from that debug node.

LOOK FOR ME

[zenofmud]

Try changing the deploy option from 'Modified Nodes` to 'Modified Flows'
also, you can add a debug node to a subflow, you just can't change it once it is there.

[Trying_to_learn]

Tried it, but still not seeing any output from the debug node.

But you can see the details from the function node's node.warn() line.

You can see thunderstorm clearly shown. (for the next switch node)

[zenofmud]

1. What version of node-red and node.js? (You can get it from the startup log)
2. what device is NR running on?
3. what is is it using?

[Trying_to_learn]

NR 2.1.3
node-js:

pi@BedPi:~ $ node -v
v12.22.1
pi@BedPi:~ $ 

(Sorry original post was from wrong machine)

RasPi 3B Buster

Oh, and the weather is from openweathermap node. But I now realise that is OUTSIDE the subflow.

[Colin]

The best way to manage debug from a subflow is to add a new output (or outputs) to the subflow and feed the message you want to see to that output. Then put the debug node outside the subflow on the particular instance you are debugging.

[Trying_to_learn]

Hmmmm.....

Weird things happening.

If I inject the test message, it seems to fail.

But if I run it to get the real weather it works.

I shall have to wait until thunderstorm returns to the forecast and capture the message and use it for testing.

[zenofmud]

Andrew, I just loaded your subflow to a similar Pi using NR 2.1.4 and I can add a debug node in the subflow and set if to display the complete msg object and deploy and it works fine.

The only thing is you can not turn off/on the debug node in the subflow by clicking the tab on the node.

Please put a debug node (set to display the complete msg object) on the output of the node calling the subflow. Then copy the entire value of the opject and paste it to a reply.

@Trying_to_learn

If I inject the test message, it seems to fail.

what is contained in the test message?

[Trying_to_learn]

The test message has msg.payload.detail set to contain thunderstorm. So it is set to some thunderstorm detected.

That is shown in the screen shots.

It also has a sunrise and now timestamp. Though that is actually a fixed number to stop sunset kicking in.

Hang on and I'll try it again.

(Maybe the debug defaulted to being OFF rather than ON.)

[zenofmud]

@Trying_to_learn

I shall have to wait until thunderstorm returns to the forecast and capture the message and use it for testing.

Why wait? Capture the output of the openweathermap node and put it in an inject node and edit it to contain 'thunderstorm' in it. Then you have an inject node that you can run over and over without hitting the openweatermap site. This is always a good idea when testing data from an external site.

[Trying_to_learn]

Ok, slow progress.

This message works.

{"_msgid":"6fd677201452872e","payload":{"id":803,"weather":"Clouds","detail":"broken clouds","icon":"04n","tempk":289.91,"tempc":16.7,"temp_maxc":18.3,"temp_minc":14.3,"humidity":77,"pressure":1010,"maxtemp":291.48,"mintemp":287.45,"windspeed":6.17,"winddirection":20,"location":"Ashfield","sunrise":1662667440,"sunset":1662709345,"clouds":56,"description":"The weather in Ashfield at coordinates: -33.8886, 151.1314 is Clouds (broken clouds)."},"topic":"","icon":"<i class=\"fa fa-refresh fa-spin\"></i>","background":"#333333","font":"red","location":{"lon":151.1314,"lat":-33.8886,"city":"Ashfield","country":"AU"},"data":{"coord":{"lon":151.1314,"lat":-33.8886},"weather":[{"id":803,"main":"Clouds","description":"broken clouds","icon":"04n"}],"base":"stations","main":{"temp":289.91,"feels_like":289.65,"temp_min":287.45,"temp_max":291.48,"pressure":1010,"humidity":77},"visibility":10000,"wind":{"speed":6.17,"deg":20},"clouds":{"all":56},"dt":1662713323,"sys":{"type":2,"id":2046014,"country":"AU","sunrise":1662667440,"sunset":1662709345},"timezone":36000,"id":7839683,"name":"Ashfield","cod":200},"time":"2022-09-09T08:48:43.000Z","title":"Current Weather Information","description":"Current weather information at coordinates: -33.8886, 151.1314"}

This if from the first debug node in the subflow (again: see later)

{"_msgid":"6fd677201452872e","payload":{"id":803,"weather":"Clouds","detail":"broken clouds","icon":"04n","tempk":289.91,"tempc":16.7,"temp_maxc":18.3,"temp_minc":14.3,"humidity":77,"pressure":1010,"maxtemp":291.48,"mintemp":287.45,"windspeed":6.17,"winddirection":20,"location":"Ashfield","sunrise":1662667440,"sunset":1662709345,"clouds":56,"description":"The weather in Ashfield at coordinates: -33.8886, 151.1314 is Clouds (broken clouds)."},"topic":"","icon":"<i class=\"fa fa-refresh fa-spin\"></i>","background":"#333333","font":"red","location":{"lon":151.1314,"lat":-33.8886,"city":"Ashfield","country":"AU"},"data":{"coord":{"lon":151.1314,"lat":-33.8886},"weather":[{"id":803,"main":"Clouds","description":"broken clouds","icon":"04n"}],"base":"stations","main":{"temp":289.91,"feels_like":289.65,"temp_min":287.45,"temp_max":291.48,"pressure":1010,"humidity":77},"visibility":10000,"wind":{"speed":6.17,"deg":20},"clouds":{"all":56},"dt":1662713323,"sys":{"type":2,"id":2046014,"country":"AU","sunrise":1662667440,"sunset":1662709345},"timezone":36000,"id":7839683,"name":"Ashfield","cod":200},"time":"2022-09-09T08:48:43.000Z","title":"Current Weather Information","description":"Current weather information at coordinates: -33.8886, 151.1314","base":{"wind":{"light":10,"strong":40}},"CloudThreshold":80,"now":1662713324358}

I get to see a message coming out of the function node in the subflow. (I'll get back to it shortly)

This one doesn't get through. Note: Does NOT.

{"_msgid":"2004c3d9a5b4ec38","payload":{"detail":"some thunderstorm detected","sunrise":1662667440,"sunset":1662709345},"now":1662713493347}

Ok, the debug nodes and their location/s.

1 is the .... input and 2 is the output - where things seem to be failing.

BOTH messages (the real one and the test one) get to 1.

Only the REAL one gets to 2.

This is the code in the function node:

let now = parseInt(msg.now/1000);
msg.now = now;
//node.warn("Now " + now);

node.warn("Detail: " + msg.payload.detail);

let wind = msg.payload.windspeed;
node.status({text:wind});

//let low = flow.get("$parent.base.wind.light");
//let strong = flow.get("base.wind.strong");
let low = msg.base.wind.light;
let strong = msg.base.wind.strong;


if (wind < low)
{
    flow.set("windstrength","NO");
    node.status({text:"NO"});
}
if (wind > strong)
{
    flow.set("windstrength","LIGHT");
    node.status({text:"STRONG"});
}
if (wind > strong)
{
    flow.set("windstrength","STRONG");
    node.status({text:"STRONG"});
}

return msg;

Forgive the comments, but that is how it is.

What happens if parts of the message (eg: let low = msg.base.wind.light;) doesn't exist?

[Trying_to_learn]

@zenofmud

Why wait? Capture the output of the openweathermap node and put it in an inject node and edit it to contain 'thunderstorm' in it. Then you have an inject node that you can run over and over without hitting the openweatermap site. This is always a good idea when testing data from an external site.

I think you don't understand.

For a while thunderstorm was in the forecast.
Now it isn't.

So I can't capture the output and put it in an inject node..... If the message has since changed and doesn't contain the wanted word: thunderstorm.

I am faking a message with the word in the correct part/path.

But it seems there are other things missing and the fake message is not getting through/past the function node in the subflow.