myinvois-sdk/dist/models/tax-total.js

TypeScript SDK for interacting with the Malaysia e-invoicing system (MyInvois) API

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.TaxTotal = void 0;
const base_model_1 = require("./base-model");
const tax_subtotal_1 = require("./tax-subtotal");
/**
 * Represents tax total information
 */
class TaxTotal extends base_model_1.BaseModel {
    constructor() {
        super(...arguments);
        this._taxAmount = 0;
        this._taxableAmount = 0;
        this._taxType = '';
        this._taxRate = 0;
        this._taxExemptionReason = '';
        this._taxSubtotals = [];
    }
    // Getter and Setter for taxAmount
    get taxAmount() {
        return this._taxAmount;
    }
    set taxAmount(value) {
        this._taxAmount = value;
    }
    // Getter and Setter for taxableAmount
    get taxableAmount() {
        return this._taxableAmount;
    }
    set taxableAmount(value) {
        this._taxableAmount = value;
    }
    // Getter and Setter for taxType
    get taxType() {
        return this._taxType;
    }
    set taxType(value) {
        this._taxType = value;
    }
    // Getter and Setter for taxRate
    get taxRate() {
        return this._taxRate;
    }
    set taxRate(value) {
        this._taxRate = value;
    }
    // Getter and Setter for taxExemptionReason
    get taxExemptionReason() {
        return this._taxExemptionReason;
    }
    set taxExemptionReason(value) {
        this._taxExemptionReason = value;
    }
    // Getter for taxSubtotals
    get taxSubtotals() {
        return this._taxSubtotals;
    }
    /**
     * Add a tax subtotal
     * @param subtotal The tax subtotal to add
     */
    addTaxSubtotal(subtotal) {
        this._taxSubtotals.push(subtotal);
    }
    /**
     * Calculate tax totals based on invoice lines
     * @param invoiceLines The invoice lines to calculate tax totals from
     */
    calculateTotals(invoiceLines) {
        // Group lines by tax type and rate
        const taxGroups = new Map();
        // Calculate tax for each line and group by tax type/rate
        invoiceLines.forEach(line => {
            const taxTotal = line.taxTotal;
            const key = `${taxTotal.taxType}_${taxTotal.taxRate}`;
            if (!taxGroups.has(key)) {
                taxGroups.set(key, {
                    taxType: taxTotal.taxType,
                    taxRate: taxTotal.taxRate,
                    taxableAmount: 0,
                    taxAmount: 0,
                    exemptionReason: taxTotal.taxExemptionReason
                });
            }
            const group = taxGroups.get(key);
            group.taxableAmount += taxTotal.taxableAmount;
            group.taxAmount += taxTotal.taxAmount;
        });
        // Clear existing subtotals
        this._taxSubtotals = [];
        // Create tax subtotals for each group
        let totalTaxAmount = 0;
        taxGroups.forEach((group) => {
            const subtotal = new tax_subtotal_1.TaxSubtotal();
            subtotal.taxableAmount = group.taxableAmount;
            subtotal.taxAmount = group.taxAmount;
            subtotal.taxType = group.taxType;
            subtotal.taxRate = group.taxRate;
            if (group.exemptionReason) {
                subtotal.taxExemptionReason = group.exemptionReason;
            }
            this._taxSubtotals.push(subtotal);
            totalTaxAmount += group.taxAmount;
        });
        // Set total tax amount
        this._taxAmount = totalTaxAmount;
    }
    /**
     * Converts the tax total to a JSON representation for the invoice level
     */
    toJSON() {
        return {
            "TaxAmount": [
                {
                    "_": this._taxAmount,
                    "currencyID": "MYR"
                }
            ],
            "TaxSubtotal": this._taxSubtotals.map(subtotal => subtotal.toJSON())
        };
    }
    /**
     * Converts the tax total to a JSON representation for the line level
     */
    toLineJSON() {
        return {
            "TaxAmount": [
                {
                    "_": this._taxAmount,
                    "currencyID": "MYR"
                }
            ],
            "TaxSubtotal": [
                {
                    "TaxableAmount": [
                        {
                            "_": this._taxableAmount,
                            "currencyID": "MYR"
                        }
                    ],
                    "TaxAmount": [
                        {
                            "_": this._taxAmount,
                            "currencyID": "MYR"
                        }
                    ],
                    "Percent": [
                        {
                            "_": this._taxRate
                        }
                    ],
                    "TaxCategory": [
                        {
                            "ID": [
                                {
                                    "_": this._taxType
                                }
                            ],
                            "TaxExemptionReason": this._taxType === 'E' && this._taxExemptionReason ? [
                                {
                                    "_": this._taxExemptionReason
                                }
                            ] : null,
                            "TaxScheme": [
                                {
                                    "ID": [
                                        {
                                            "_": "OTH",
                                            "schemeID": "UN/ECE 5153",
                                            "schemeAgencyID": "6"
                                        }
                                    ]
                                }
                            ]
                        }
                    ]
                }
            ]
        };
    }
}
exports.TaxTotal = TaxTotal;