Health Dashboard: Unit Enum

Unit.php

<?php

namespace App\Modules\AppleHealth\Enums;

enum Unit: string
{
    case COUNT = 'count';
    case COUNT_PER_MIN = 'count/min';
    case COUNT_PER_HOUR = 'count/hr';
    case PERCENT = '%';

    // Other
    case MOLARITY_LITRES = 'mmol/L';
    case MILLIMETRE_OF_MERCURY = 'mmHg';
    case SOUND_PRESSURE = 'dBASPL';
    case INTERNATIONAL_UNITS = 'IU';
    case VO2_MAX = 'ml/(kg·min)';

    // Speed
    case METRES_PER_SECOND = 'm/s';

    // Energy
    case KILO_JOULE = 'kj';

    // Temperature
    case DEGREES_CELSIUS = 'degC';

    // Masses
    case MICRO_GRAMS = 'mcg';
    case MILLI_GRAMS = 'mg';
    case GRAMS = 'g';
    case KILO_GRAMS = 'kg';

    // Fluids
    case MILLI_LITRES = 'mL';
    case LITRES = 'l';
    case LITRES_PER_MIN = 'L/min';

    // Distances
    case METRES = 'm';
    case CENTI_METRES = 'cm';
    case KILO_METRES = 'km';
    case KILOMETRES_PER_HOUR = 'km/hr';

    // Time
    case MILLI_SECONDS = 'ms';
    case SECONDS = 'sec';
    case MINUTES = 'min';
    case HOURS = 'hr';
}