homebridge-eveatmo/service/eveatmo-rain.js

Homebridge plugin which adds a Netatmo weatherstation as HomeKit device and tries to act like Elgato Eve Room/Weather

'use strict';

var homebridge;
var Characteristic;
var Perms;
var Formats;

const RAIN_LEVEL_STYPE_ID = 'D92D5391-92AF-4824-AF4A-356F25F25EA1';
const RAIN_LEVEL_CTYPE_ID = 'C53F35CE-C615-4AA4-9112-EBF679C5EB14';
const RAIN_LEVEL_SUM_1H_CTYPE_ID = '10c88f40-7ec4-478c-8d5a-bd0c3cce14b7';
const RAIN_LEVEL_SUM_24H_CTYPE_ID = 'ccc04890-565b-4376-b39a-3113341d9e0f';

module.exports = function(pHomebridge) {
  if (pHomebridge && !homebridge) {
    homebridge = pHomebridge;
    Characteristic = homebridge.hap.Characteristic;
    Perms = homebridge.hap.Perms;
    Formats = homebridge.hap.Formats;
  }

  class RainLevelCharacteristic extends Characteristic {
    constructor(accessory) {
      super('Rain Level', RAIN_LEVEL_CTYPE_ID);
      this.setProps({
        format: Formats.FLOAT,
        unit: 'mm',
        minValue: 0,
        maxValue: 1000,
        minStep: 0.001,
        perms: [
          Perms.READ,
          Perms.NOTIFY,
        ],
      });
      this.value = this.getDefaultValue();
    }
  }

  class RainLevelSum1Characteristic extends Characteristic {
    constructor(accessory) {
      super('1h', RAIN_LEVEL_SUM_1H_CTYPE_ID);
      this.setProps({
        format: Formats.FLOAT,
        unit: 'mm',
        minValue: 0,
        maxValue: 1000,
        minStep: 0.001,
        perms: [
          Perms.READ,
          Perms.NOTIFY,
        ],
      });
      this.value = this.getDefaultValue();
    }
  }

  class RainLevelSum24Characteristic extends Characteristic {
    constructor(accessory) {
      super('24h', RAIN_LEVEL_SUM_24H_CTYPE_ID);
      this.setProps({
        format: Formats.FLOAT,
        unit: 'mm',
        minValue: 0,
        maxValue: 1000,
        minStep: 0.001,
        perms: [
          Perms.READ,
          Perms.NOTIFY,
        ],
      });
      this.value = this.getDefaultValue();
    }
  }

  class EveatmoRainService extends homebridge.hap.Service {
    constructor(accessory) {
      super(accessory.name, RAIN_LEVEL_STYPE_ID);
      this.accessory = accessory;

      this.addCharacteristic(RainLevelCharacteristic)
        .on('get', this.getRainLevel.bind(this))
        .eventEnabled = true;
      this.addCharacteristic(RainLevelSum1Characteristic)
        .on('get', this.getRainLevelSum1.bind(this))
        .eventEnabled = true;
      this.addCharacteristic(RainLevelSum24Characteristic)
        .on('get', this.getRainLevelSum24.bind(this))
        .eventEnabled = true;
    }

    updateCharacteristics() {
      this.getCharacteristic(RainLevelCharacteristic)
        .updateValue(this.accessory.rainLevel);
      this.getCharacteristic(RainLevelSum1Characteristic)
        .updateValue(this.accessory.rainLevelSum1);
      this.getCharacteristic(RainLevelSum24Characteristic)
        .updateValue(this.accessory.rainLevelSum24);
    }

    getRainLevel(callback) {
      this.accessory.refreshData((err, data) => {
        callback(err, this.accessory.rainLevel);
      });
    }

    getRainLevelSum1(callback) {
      this.accessory.refreshData((err, data) => {
        callback(err, this.accessory.rainLevelSum1);
      });
    }

    getRainLevelSum24(callback) {
      this.accessory.refreshData((err, data) => {
        callback(err, this.accessory.rainLevelSum24);
      });
    }
  }

  return EveatmoRainService;
};