How do I get WebSocket.MessageText through JSON to array?

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- jgaudu
- - Joined 28 Feb, 2017
  - 1 topics • 1 posts
- 1
- 18 Oct, 2018
- Quote
Hello all,

New guy here.

I'm trying to get the output from websocket.messagetext into an array.

I've tried a few different JSON plugins but cant quite get the right workflow.

Any ideas are much appreciated.

Thanks

JG

Right now I have this coming in from the Websocket connection using the rex_hash plugin. I just want to import the values into an array

{

"topic": "/stream/8da4a9b5-80e9-4f01-a672-c760df080bd3/presence",

"payload": "[{\"timestamp\":1539874381,\"sourceId\":\"JGauduAP02\",\"trackingId\":\"MsAPGT\",\"rssi\":-84,\"proximity\":\"NEAR\",\"scanType\":\"BLE\",\"deviceAddress\":\"f3:c7:15:9b:49:f9\"}]",

"qos": 0,

"retain": false,

"_msgid": "38e2e96e.73da76"

}
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- dop2000
- - Joined 26 May, 2016
  - 139 topics • 12,633 posts
- 1
- 18 Oct, 2018
- Quote
You can't use standard "Array load from JSON" action here, because arrays and dictionaries in Construct require custom JSON format (header).

That "JSON" object with a yellow icon on your screenshot - is it rex_hash object? In this case I believe you need to remove "Array load from JSON", and instead add a sub-event like this:

JSON for each key -> Array push JSON.CurValue(JSON.CurKey)

I never used this plugin, so I may be wrong.

There is a sample capx on the plugin page, have you tried it?

rexrainbow.github.io/C2RexDoc/plugins.md/rex_hash.html