HSRW EOLab Students Wiki

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====== Post Data to Datastream ======

  - Create a Sensor in farmOS
  - Create a DataStream in / for that sensor
  - Call GET http://localhost/api/data_stream/basic/ to get all basic data streams
  - Response:
    - data includes an array of data_streams
    - ID: res.data[i].id
    - private_key: res.data[i].attributes.private_key
    - name: res.data[i].attributes.name
  - Call POST http://localhost/api/data_stream/<ID>/data?private_key=<private_key> with a Body (in Postman 'raw','json'):
    - {'data': 20}
    - basic data streams can only have one value
    - will look for 'data' in JSON
  - Should give a 201 Created back
  - This value can now be found in Assets>Sensors>(The Sensor you want)>Data stream

Important Links:
  * [[https://docs.farmos.org/development/api/index.html|Introduction farmOS 2.x API]]
  * [[https://farmos.org/guide/assets/sensors/|farmOS 1.x Sensors]]
    * Hint for ?private_key=
  * [[https://farmos.org/development/api/#oauth2-details|farmOS 1.x OAuth 2.0]]
  * [[https://www.drupal.org/project/farm/issues/3199413|2.x Data stream issue / todo]]
  * [[https://www.drupal.org/project/farm/issues/3203015|currently (7.2021) no graphs]]
    * labeled as beta blocker
  * [[https://github.com/farmOS/farmOS/blob/2.x/modules/core/data_stream/data_stream.routing.yml|farmsOS 2.x data stream module routing]]
    * shows how to build the url