homebridge-ambient-realtime/dist/devices/air.js

Ambient Weather Realtime API platform plugin for [Homebridge](https://github.com/nfarina/homebridge).

export class airSensor {
    platform;
    Service;
    Characteristic;
    constructor(platform) {
        this.platform = platform;
    }
    createAccessory(device, uuid, airSensorX, type) {
        let name = 'Outdoor Air Quality';
        let pm = 'pm25';
        let batt = !device.lastData.batt_25;
        if (type === 'in') {
            name = 'Indoor Air Quality';
            pm = 'pm25_in';
            batt = 0;
        }
        if (!airSensorX) {
            this.platform.log.info('Adding air quality sensor for %s', device.info.name);
            airSensorX = new this.platform.api.platformAccessory(device.info.name, uuid);
        }
        else {
            this.platform.log.debug('update Accessory %s AQIN', device.info.name);
        }
        airSensorX.getService(this.platform.Service.AccessoryInformation)
            .setCharacteristic(this.platform.Characteristic.Name, device.info.name)
            .setCharacteristic(this.platform.Characteristic.Manufacturer, this.platform.config.manufacturer ? this.platform.config.manufacturer : 'Ambient')
            .setCharacteristic(this.platform.Characteristic.SerialNumber, device.macAddress)
            .setCharacteristic(this.platform.Characteristic.Model, 'WS45');
        let airSensor = airSensorX.getService(this.platform.Service.AirQualitySensor);
        if (!airSensor) {
            airSensor = new this.platform.Service.AirQualitySensor(name);
            airSensorX.addService(airSensor);
            airSensor.addCharacteristic(this.platform.Characteristic.ConfiguredName);
            airSensor.setCharacteristic(this.platform.Characteristic.ConfiguredName, device.info.name + ' ' + name);
            airSensor
                .getCharacteristic(this.platform.Characteristic.AirQuality)
                .onGet(this.getStatusAir.bind(this, airSensor));
        }
        let aqi = this.platform.Characteristic.AirQuality.UNKNOWN;
        if (device.lastData.aqi_pm25_aqin > 300) {
            aqi = this.platform.Characteristic.AirQuality.POOR;
        }
        else if (device.lastData.aqi_pm25_aqin > 200) {
            aqi = this.platform.Characteristic.AirQuality.POOR;
        }
        else if (device.lastData.aqi_pm25_aqin > 150) {
            aqi = this.platform.Characteristic.AirQuality.INFERIOR;
        }
        else if (device.lastData.aqi_pm25_aqin > 100) {
            aqi = this.platform.Characteristic.AirQuality.FAIR;
        }
        else if (device.lastData.aqi_pm25_aqin > 50) {
            aqi = this.platform.Characteristic.AirQuality.GOOD;
        }
        else if (device.lastData.aqi_pm25_aqin > 0) {
            aqi = this.platform.Characteristic.AirQuality.EXCELLENT;
        }
        airSensor
            .setCharacteristic(this.platform.Characteristic.Name, device.info.name + ' ' + name)
            .setCharacteristic(this.platform.Characteristic.StatusFault, this.platform.Characteristic.StatusFault.NO_FAULT)
            .setCharacteristic(this.platform.Characteristic.StatusLowBattery, this.platform.Characteristic.StatusLowBattery.BATTERY_LEVEL_NORMAL)
            .setCharacteristic(this.platform.Characteristic.AirQuality, aqi)
            .setCharacteristic(this.platform.Characteristic.PM2_5Density, device.lastData[pm]);
        let batteryStatus = airSensorX.getService(this.platform.Service.Battery);
        if (!batteryStatus) {
            batteryStatus = new this.platform.Service.Battery(name);
            airSensorX.addService(batteryStatus);
            batteryStatus
                .getCharacteristic(this.platform.Characteristic.StatusLowBattery)
                .onGet(this.getStatusLowBattery.bind(this, batteryStatus));
        }
        batteryStatus
            .setCharacteristic(this.platform.Characteristic.Name, device.info.name + ' ' + name)
            .setCharacteristic(this.platform.Characteristic.StatusLowBattery, batt);
        return airSensorX;
    }
    async getStatusAir(sensorStatus) {
        if (sensorStatus.getCharacteristic(this.platform.Characteristic.StatusFault).value === this.platform.Characteristic.StatusFault.GENERAL_FAULT) {
            throw new this.platform.api.hap.HapStatusError(-70402 /* this.platform.api.hap.HAPStatus.SERVICE_COMMUNICATION_FAILURE */);
        }
        else {
            const currentValue = sensorStatus.getCharacteristic(this.platform.Characteristic.AirQuality).value;
            return currentValue;
        }
    }
    async getStatusLowBattery(batteryStatus) {
        let currentValue = 0;
        try {
            currentValue = batteryStatus.getCharacteristic(this.platform.Characteristic.StatusLowBattery).value;
            if (currentValue === 1) {
                this.platform.log.warn('Battery Status Low');
            }
        }
        catch (error) {
            this.platform.log.error('caught low battery error');
        }
        return currentValue;
    }
}
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