gfw-api/gfw-umd-forest-api

import logger from 'logger';
import moment from 'moment';
import InvalidPeriod from "errors/invalidPeriod";

const DATE_FORMAT: string = 'YYYY-MM-DD';

class DateValidator {

    static validatePeriod(period: string[]): boolean {

        if (period.length && (!moment(period[0], DATE_FORMAT, true).isValid() || !moment(period[1], DATE_FORMAT, true).isValid())) {
            logger.error('Period must be in the format: YYYY-MM-DD,YYYY-MM-DD');
            throw new InvalidPeriod('Period must be in the format: YYYY-MM-DD,YYYY-MM-DD');
        } else if (period.length && (moment(period[0]).isAfter(moment(period[1])))) {
            logger.error('Start date must be before end date!');
            throw new InvalidPeriod('Start date must be before end date!');
        } else {
            return true;
        }
    }

}

export default DateValidator;