Calculator Strategy

rentCalculator.js

class RentCalculator {
    constructor() {
        this.calculator = {
            'Base_Flat':         this._calcBaseFlat,
            'Base_Percentage':   this._calcBasePercentage,
            'Base_Amount':       this._calcBaseAmount,
            'Gross_Flat':        this._calcGrossFlat,
            'Gross_Percentage':  this._calcGrossPercentage,
            'Gross_Amount':      this._calcGrossAmount,
        }
    }

    calculateAverageBaseRent(leaseTerm, baseRate, escalationType, escalationValue, freeRentType, opex, sizeSf, numOfFreeMonths) {
        let calculator = this.calculator[freeRentType + '_' + escalationType];
        if (typeof calculator === 'undefined') {
            return 0;
        }
        
        return calculator(leaseTerm, baseRate, escalationValue, opex, sizeSf, numOfFreeMonth);
    }

    _calcBaseFlat(leaseTerm, baseRate, escalationValue, opex, sizeSf, numOfFreeMonths) {
        // TODO
    }

    _calcBasePercentage(leaseTerm, baseRate, escalationValue, opex, sizeSf, numOfFreeMonths) {
        // TODO
    }

    _calcBaseAmount(leaseTerm, baseRate, escalationValue, opex, sizeSf, numOfFreeMonths) {
        // TODO
    }

    _calcGrossFlat(leaseTerm, baseRate, escalationValue, opex, sizeSf, numOfFreeMonths) {
        // TODO
    }

    _calcGrossPercentage(leaseTerm, baseRate, escalationValue, opex, sizeSf, numOfFreeMonths) {
        // TODO
    }

    _calcGrossAmount(leaseTerm, baseRate, escalationValue, opex, sizeSf, numOfFreeMonths) {
        // TODO
    }
}