@smappee/node-red-contrib-smappee/node-device/node-switch-state.js

Smappee Node-RED contains Smappee nodes and example flows

module.exports = function(RED) {
  function SwitchStateNode(config) {
    RED.nodes.createNode(this, config);

    const node = this;
    node.device = RED.nodes.getNode(config.device);
    node.plug = RED.nodes.getNode(config.plug);

    if (node.device && node.plug) {
      // Setup a subscriber to the plug's state topic
      node.device.subscribe(`plug/${node.plug.uuid}/state`, node);

      // Listen to inputs
      node.on('input', function(msg) {
        if (msg.hasOwnProperty('payload')) {
          const payload = msg.payload;
          let onState = typeof payload === 'object' ? payload.on : undefined;

          // Support boolean payloads
          if (payload === true || payload === false) {
            onState = payload;
          }

          // Publish the on or off message
          if (typeof onState !== 'undefined') {
            node.device.publish(`plug/${node.plug.uuid}/setstate`, {
              value: onState ? 'ON' : 'OFF',
              since: new Date().getTime(),
              nodeId: node.plug.uuid,
            });
          }
        }
      }.bind(node));
    }
  }

  RED.nodes.registerType('switch-state', SwitchStateNode);
};