|
[{"id":"a79a3412.95bbc8","type":"comment","z":"198805b3.d752aa","name":"Presence","info":"","x":100,"y":1420,"wires":[]},{"id":"356d290f.2adc76","type":"inject","z":"198805b3.d752aa","name":"Every 5 seconds","topic":"","payload":"","payloadType":"date","repeat":"5","crontab":"","once":false,"x":130,"y":1460,"wires":[["2fe17f39.cb2e2"]]},{"id":"2fe17f39.cb2e2","type":"Unifi","z":"198805b3.d752aa","name":"","ip":"","port":8443,"site":"default","command":"20","x":310,"y":1460,"wires":[["9c4ebd18.14827"]]},{"id":"9c4ebd18.14827","type":"function","z":"198805b3.d752aa","name":"Determine device presence","func":"const lastSeenSeconds = 20;\nlet presenceCutoff = (Math.abs(new Date()) - (lastSeenSeconds * 1000)) / 1000; \nconst people = {\n \"presence/person1\": \"Identifier1\",\n \"presence/person2\": \"Identifier2\"\n};\n\nreturn Object.keys(people).map(function(topic) {\n let devices = msg.payload.filter(device => device.name === people[topic] && device.last_seen > presenceCutoff);\n return {\n topic: topic,\n retain: true,\n payload: devices.length > 0\n };\n});","outputs":"2","noerr":0,"x":520,"y":1460,"wires":[["1d706e57.f39ea2"],["84981.f0fe567f"]],"outputLabels":["michael presence","meredith presence"]},{"id":"1d706e57.f39ea2","type":"rbe","z":"198805b3.d752aa","name":"","func":"rbe","gap":"","start":"","inout":"out","x":750,"y":1440,"wires":[["e52f02f3.7cd59"]]},{"id":"84981.f0fe567f","type":"rbe","z":"198805b3.d752aa","name":"","func":"rbe","gap":"","start":"","inout":"out","x":750,"y":1480,"wires":[["e52f02f3.7cd59"]]}] |
I did not even realize you could leave comments in these...
device.name
because I actually name my devices in Unifi. This makes it easier to identify later instead of remembering MAC addresses, etc. If you don't name your devices, you'd have to key on something else likedevice.mac
as @babis2k mentioned.