Uecko_ERP/modules/customer-invoices/src/api/domain/entities/customer-invoice-items/customer-invoice-items.ts

import { CurrencyCode, LanguageCode } from "@repo/rdx-ddd";
import { Collection } from "@repo/rdx-utils";
import { ItemAmount } from "../../value-objects";
import { CustomerInvoiceItem } from "./customer-invoice-item";

export interface CustomerInvoiceItemsProps {
  items?: CustomerInvoiceItem[];
  languageCode: LanguageCode;
  currencyCode: CurrencyCode;
}

export class CustomerInvoiceItems extends Collection<CustomerInvoiceItem> {
  private _languageCode!: LanguageCode;
  private _currencyCode!: CurrencyCode;

  constructor(props: CustomerInvoiceItemsProps) {
    const { items = [], languageCode, currencyCode } = props;
    super(items);
    this._languageCode = languageCode;
    this._currencyCode = currencyCode;
  }

  public static create(props: CustomerInvoiceItemsProps): CustomerInvoiceItems {
    return new CustomerInvoiceItems(props);
  }

  add(item: CustomerInvoiceItem): boolean {
    // Antes de añadir un nuevo item, debo comprobar que el item a añadir
    // tiene el mismo "currencyCode" y "languageCode" que la colección de items.
    if (
      !this._languageCode.equals(item.languageCode) ||
      !this._currencyCode.equals(item.currencyCode)
    ) {
      return false;
    }
    return super.add(item);
  }

  public getTotalAmount(): ItemAmount {
    return this.getAll().reduce(
      (total, tax) => total.add(tax.getTotalAmount()),
      ItemAmount.zero(this._currencyCode.code)
    );
  }
}