myinvois-sdk/dist/models/invoice-line.js

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

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.InvoiceLine = void 0;
const base_model_1 = require("./base-model");
const item_1 = require("./item");
const price_1 = require("./price");
const tax_total_1 = require("./tax-total");
/**
 * Represents an invoice line
 */
class InvoiceLine extends base_model_1.BaseModel {
    constructor() {
        super(...arguments);
        this._id = 0;
        this._quantity = 0;
        this._unitCode = 'C62'; // Default unit code
        this._lineExtensionAmount = 0;
        this._discountRate = 0;
        this._discountAmount = 0;
        this._item = new item_1.Item();
        this._price = new price_1.Price();
        this._taxTotal = new tax_total_1.TaxTotal();
    }
    // Getter and Setter for id
    get id() {
        return this._id;
    }
    set id(value) {
        this._id = value;
    }
    // Getter and Setter for quantity
    get quantity() {
        return this._quantity;
    }
    set quantity(value) {
        this._quantity = value;
        this.updateCalculations();
    }
    // Getter and Setter for unitCode
    get unitCode() {
        return this._unitCode;
    }
    set unitCode(value) {
        this._unitCode = value;
    }
    // Getter and Setter for lineExtensionAmount
    get lineExtensionAmount() {
        return this._lineExtensionAmount;
    }
    // Getter and Setter for discountRate
    get discountRate() {
        return this._discountRate;
    }
    set discountRate(value) {
        this._discountRate = value;
        this.updateCalculations();
    }
    // Getter and Setter for discountAmount
    get discountAmount() {
        return this._discountAmount;
    }
    // Getter and Setter for item
    get item() {
        return this._item;
    }
    set item(value) {
        this._item = value;
    }
    // Getter and Setter for price
    get price() {
        return this._price;
    }
    set price(value) {
        this._price = value;
        this.updateCalculations();
    }
    // Getter and Setter for taxTotal
    get taxTotal() {
        return this._taxTotal;
    }
    set taxTotal(value) {
        this._taxTotal = value;
    }
    /**
     * Updates the calculations for the invoice line
     */
    updateCalculations() {
        // Calculate line amount before discount
        const grossAmount = this._quantity * this._price.priceAmount;
        // Calculate discount amount
        this._discountAmount = grossAmount * this._discountRate;
        // Calculate line amount after discount
        this._lineExtensionAmount = grossAmount - this._discountAmount;
        // Update tax calculation based on tax rate
        const taxRate = this._taxTotal.taxRate;
        const taxAmount = this._lineExtensionAmount * (taxRate / 100);
        // Update tax total
        this._taxTotal.taxableAmount = this._lineExtensionAmount;
        this._taxTotal.taxAmount = taxAmount;
    }
    /**
     * Sets the tax rate and updates calculations
     * @param taxRate The tax rate to set
     * @param taxType The tax type (e.g., 'S', 'Z', 'E', etc.)
     * @param taxExemptionReason The reason for tax exemption (if applicable)
     */
    setTax(taxRate, taxType, taxExemptionReason) {
        this._taxTotal.taxRate = taxRate;
        this._taxTotal.taxType = taxType;
        if (taxExemptionReason) {
            this._taxTotal.taxExemptionReason = taxExemptionReason;
        }
        this.updateCalculations();
    }
    /**
     * Converts the invoice line to a JSON representation
     */
    toJSON() {
        return {
            "ID": [
                {
                    "_": this._id.toString()
                }
            ],
            "InvoicedQuantity": [
                {
                    "_": this._quantity,
                    "unitCode": this._unitCode
                }
            ],
            "LineExtensionAmount": [
                {
                    "_": this._lineExtensionAmount,
                    "currencyID": "MYR"
                }
            ],
            "AllowanceCharge": [
                {
                    "ChargeIndicator": [
                        {
                            "_": false
                        }
                    ],
                    "AllowanceChargeReason": [
                        {
                            "_": "Discount"
                        }
                    ],
                    "MultiplierFactorNumeric": this._discountRate > 0 ? [
                        {
                            "_": this._discountRate
                        }
                    ] : null,
                    "Amount": [
                        {
                            "_": this._discountAmount,
                            "currencyID": "MYR"
                        }
                    ]
                }
            ],
            "TaxTotal": [this._taxTotal.toLineJSON()],
            "Item": [this._item.toJSON()],
            "Price": [this._price.toJSON()],
            "ItemPriceExtension": [
                {
                    "Amount": [
                        {
                            "_": this._lineExtensionAmount,
                            "currencyID": "MYR"
                        }
                    ]
                }
            ]
        };
    }
}
exports.InvoiceLine = InvoiceLine;