147 lines
3.6 KiB
TypeScript
147 lines
3.6 KiB
TypeScript
import { CurrencyCode, DomainEntity, LanguageCode, Percentage, UniqueID } from "@repo/rdx-ddd";
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import { Maybe, Result } from "@repo/rdx-utils";
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import {
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CustomerInvoiceItemDescription,
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ItemAmount,
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ItemDiscount,
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ItemQuantity,
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} from "../../value-objects";
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import { ItemTaxes } from "../item-taxes";
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export interface CustomerInvoiceItemProps {
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description: Maybe<CustomerInvoiceItemDescription>;
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quantity: Maybe<ItemQuantity>; // Cantidad de unidades
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unitAmount: Maybe<ItemAmount>; // Precio unitario en la moneda de la factura
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discountPercentage: Maybe<ItemDiscount>; // % descuento
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taxes: ItemTaxes;
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languageCode: LanguageCode;
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currencyCode: CurrencyCode;
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}
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export interface ICustomerInvoiceItem {
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description: Maybe<CustomerInvoiceItemDescription>;
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quantity: Maybe<ItemQuantity>; // Cantidad de unidades
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unitAmount: Maybe<ItemAmount>; // Precio unitario en la moneda de la factura
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discountPercentage: Maybe<ItemDiscount>; // % descuento
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taxes: ItemTaxes;
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languageCode: LanguageCode;
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currencyCode: CurrencyCode;
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getSubtotalAmount(): ItemAmount;
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getDiscountAmount(): ItemAmount;
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getTaxableAmount(): ItemAmount;
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getTaxesAmount(): ItemAmount;
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getTotalAmount(): ItemAmount;
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}
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export class CustomerInvoiceItem
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extends DomainEntity<CustomerInvoiceItemProps>
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implements ICustomerInvoiceItem
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{
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public static create(
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props: CustomerInvoiceItemProps,
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id?: UniqueID
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): Result<CustomerInvoiceItem, Error> {
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const item = new CustomerInvoiceItem(props, id);
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// Reglas de negocio / validaciones
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// ...
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// ...
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return Result.ok(item);
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}
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get description(): Maybe<CustomerInvoiceItemDescription> {
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return this.props.description;
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}
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get quantity(): Maybe<ItemQuantity> {
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return this.props.quantity;
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}
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get unitAmount(): Maybe<ItemAmount> {
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return this.props.unitAmount;
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}
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get discountPercentage(): Maybe<Percentage> {
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return this.props.discountPercentage;
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}
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get languageCode(): LanguageCode {
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return this.props.languageCode;
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}
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get currencyCode(): CurrencyCode {
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return this.props.currencyCode;
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}
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get taxes(): ItemTaxes {
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return this.props.taxes;
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}
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getProps(): CustomerInvoiceItemProps {
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return this.props;
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}
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toPrimitive() {
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return this.getProps();
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}
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public getSubtotalAmount(): ItemAmount {
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const curCode = this.currencyCode.code;
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const quantity = this.quantity.match(
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(quantity) => quantity,
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() => ItemQuantity.zero()
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);
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const unitAmount = this.unitAmount.match(
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(unitAmount) => unitAmount,
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() => ItemAmount.zero(curCode)
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);
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return unitAmount.multiply(quantity);
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}
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public getDiscountAmount(): ItemAmount {
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const discount = this.discountPercentage.match(
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(percentage) => percentage,
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() => ItemDiscount.zero()
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);
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return this.getSubtotalAmount().percentage(discount);
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}
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public getTaxableAmount(): ItemAmount {
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return this.getSubtotalAmount().subtract(this.getDiscountAmount());
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}
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public getTaxesAmount(): ItemAmount {
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return this._getTaxesAmount(this.getTaxableAmount());
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}
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public getTotalAmount(): ItemAmount {
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const taxableAmount = this.getTaxableAmount();
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return taxableAmount.add(this._getTaxesAmount(taxableAmount));
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}
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public getAllAmounts() {
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return {
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subtotalAmount: this.getSubtotalAmount(),
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discountAmount: this.getDiscountAmount(),
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taxableAmount: this.getTaxableAmount(),
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taxesAmount: this.getTaxesAmount(),
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totalAmount: this.getTotalAmount(),
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};
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}
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private _getTaxesAmount(_taxableAmount: ItemAmount): ItemAmount {
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return this.props.taxes.getTaxesAmount(_taxableAmount);
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}
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}
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