.

Co-authored-by: Copilot <copilot@github.com>

modules/customer-invoices/src/api/application/issued-invoices/services/proforma-to-issued-invoice-props-converter.ts

@@ -127,7 +127,13 @@ export class ProformaToIssuedInvoiceConverter implements IProformaToIssuedInvoic
     proforma: Proforma,
     item: ReturnType<Proforma["items"]["getAll"]>[number]
   ): Result<IssuedInvoiceItem, Error> {
-    const itemTotals = item.totals();
+    const calculationContext = {
+      languageCode: proforma.languageCode,
+      currencyCode: proforma.currencyCode,
+      globalDiscountPercentage: proforma.globalDiscountPercentage,
+    };
+
+    const itemTotals = item.totals(calculationContext);
 
     return IssuedInvoiceItem.create({
       description: item.description,
@@ -139,7 +145,7 @@ export class ProformaToIssuedInvoiceConverter implements IProformaToIssuedInvoic
       itemDiscountPercentage: item.itemDiscountPercentage,
       itemDiscountAmount: itemTotals.itemDiscountAmount,
 
-      globalDiscountPercentage: item.globalDiscountPercentage,
+      globalDiscountPercentage: proforma.globalDiscountPercentage,
       globalDiscountAmount: itemTotals.globalDiscountAmount,
 
       totalDiscountAmount: itemTotals.totalDiscountAmount,

modules/customer-invoices/src/api/application/proformas/snapshot-builders/full/proforma-full-snapshot-builder.ts

@@ -22,7 +22,13 @@ export class ProformaFullSnapshotBuilder implements IProformaFullSnapshotBuilder
   ) {}
 
   toOutput(proforma: Proforma): ProformaFullSnapshot {
-    const items = this.itemsBuilder.toOutput(proforma.items);
+    const calculationContext = {
+      languageCode: proforma.languageCode,
+      currencyCode: proforma.currencyCode,
+      globalDiscountPercentage: proforma.globalDiscountPercentage,
+    };
+
+    const items = this.itemsBuilder.toOutput(proforma.items, calculationContext);
     const recipient = this.recipientBuilder.toOutput(proforma);
     const taxes = this.taxesBuilder.toOutput(proforma.taxes());
     //const paymentMethod = this.paymentMethodBuilder.toOutput(proforma.paymentMethod);

modules/customer-invoices/src/api/application/proformas/snapshot-builders/full/proforma-items-full-snapshot-builder.ts

@@ -1,17 +1,21 @@
-import type { ISnapshotBuilder } from "@erp/core/api";
 import type { ProformaItemDetailDTO } from "@erp/customer-invoices/common";
 import { maybeToNullable } from "@repo/rdx-ddd";
 
-import { ItemAmount, type ProformaItem, type ProformaItems } from "../../../../domain";
+import { ItemAmount, type ProformaCalculationContext, type ProformaItem, type ProformaItems } from "../../../../domain";
 
-export interface IProformaItemsFullSnapshotBuilder
-  extends ISnapshotBuilder<ProformaItems, ProformaItemDetailDTO[]> {}
+export interface IProformaItemsFullSnapshotBuilder {
+  toOutput(invoiceItems: ProformaItems, context: ProformaCalculationContext): ProformaItemDetailDTO[];
+}
 
 export class ProformaItemsFullSnapshotBuilder implements IProformaItemsFullSnapshotBuilder {
-  private mapItem(proformaItem: ProformaItem, index: number): ProformaItemDetailDTO {
-    const allAmounts = proformaItem.totals();
+  private mapItem(
+    proformaItem: ProformaItem,
+    context: ProformaCalculationContext,
+    index: number
+  ): ProformaItemDetailDTO {
+    const allAmounts = proformaItem.totals(context);
     const isValued = proformaItem.isValued();
-    const currencyCode = proformaItem.currencyCode.code;
+    const currencyCode = context.currencyCode.code;
 
     return {
       id: proformaItem.id.toPrimitive(),
@@ -34,7 +38,7 @@ export class ProformaItemsFullSnapshotBuilder implements IProformaItemsFullSnaps
         ? allAmounts.itemDiscountAmount.toObjectString()
         : ItemAmount.zero(currencyCode).toObjectString(),
 
-      global_discount_percentage: proformaItem.globalDiscountPercentage.toObjectString(),
+      global_discount_percentage: context.globalDiscountPercentage.toObjectString(),
 
       global_discount_amount: isValued
         ? allAmounts.globalDiscountAmount.toObjectString()
@@ -81,7 +85,7 @@ export class ProformaItemsFullSnapshotBuilder implements IProformaItemsFullSnaps
     };
   }
 
-  toOutput(invoiceItems: ProformaItems): ProformaItemDetailDTO[] {
-    return invoiceItems.map((item, index) => this.mapItem(item, index));
+  toOutput(invoiceItems: ProformaItems, context: ProformaCalculationContext): ProformaItemDetailDTO[] {
+    return invoiceItems.map((item, index) => this.mapItem(item, context, index));
   }
 }

modules/customer-invoices/src/api/domain/proformas/aggregates/proforma.aggregate.ts

@@ -27,7 +27,7 @@ import {
   ProformaItems,
 } from "../entities";
 import { ProformaItemMismatch } from "../errors";
-import type { IProformaTaxTotals } from "../services";
+import type { IProformaTaxTotals, ProformaCalculationContext } from "../services";
 import { ProformaItemTaxes } from "../value-objects";
 
 export interface IProformaCreateProps {
@@ -128,9 +128,6 @@ export class Proforma extends AggregateRoot<ProformaInternalProps> implements IP
 
     const internalItems = ProformaItems.create({
       items: [],
-      languageCode: props.languageCode,
-      currencyCode: props.currencyCode,
-      globalDiscountPercentage: props.globalDiscountPercentage,
     });
 
     const { items, ...internalProps } = props;
@@ -201,9 +198,6 @@ export class Proforma extends AggregateRoot<ProformaInternalProps> implements IP
     for (const [index, itemProps] of itemsProps.entries()) {
       const itemResult = ProformaItem.create({
         ...itemProps,
-        languageCode: this.languageCode,
-        currencyCode: this.currencyCode,
-        globalDiscountPercentage: this.globalDiscountPercentage,
       });
 
       if (itemResult.isFailure) {
@@ -413,7 +407,7 @@ export class Proforma extends AggregateRoot<ProformaInternalProps> implements IP
    *          La cabecera NO recalcula lógica de porcentaje — toda la lógica está en Item/Items.
    */
   public totals(): IProformaTotals {
-    const itemsTotals = this.items.totals();
+    const itemsTotals = this.items.totals(this.calculationContext());
 
     return {
       subtotalAmount: this.toInvoiceAmount(itemsTotals.subtotalAmount),
@@ -434,7 +428,7 @@ export class Proforma extends AggregateRoot<ProformaInternalProps> implements IP
   }
 
   public taxes(): Collection<IProformaTaxTotals> {
-    return this.items.taxes();
+    return this.items.taxes(this.calculationContext());
   }
 
   public addItem(props: IProformaItemCreateProps): Result<void, Error> {
@@ -457,6 +451,14 @@ export class Proforma extends AggregateRoot<ProformaInternalProps> implements IP
     return Result.ok();
   }
 
+  private calculationContext(): ProformaCalculationContext {
+    return {
+      languageCode: this.languageCode,
+      currencyCode: this.currencyCode,
+      globalDiscountPercentage: this.globalDiscountPercentage,
+    };
+  }
+
   // Helpers
 
   /**

modules/customer-invoices/src/api/domain/proformas/entities/proforma-items/proforma-item.entity.ts

@@ -1,8 +1,9 @@
 import { DiscountPercentage, type Tax, type TaxPercentage } from "@erp/core/api";
-import { type CurrencyCode, DomainEntity, type LanguageCode, type UniqueID } from "@repo/rdx-ddd";
+import { DomainEntity, type UniqueID } from "@repo/rdx-ddd";
 import { type Maybe, Result } from "@repo/rdx-utils";
 
 import { ItemAmount, type ItemDescription, type ItemQuantity } from "../../../common";
+import type { ProformaCalculationContext } from "../../services";
 import {
   ProformaItemTaxes,
   type ProformaItemTaxesProps,
@@ -34,18 +35,9 @@ export interface IProformaItemCreateProps {
   itemDiscountPercentage: Maybe<DiscountPercentage>; // % descuento de línea
 
   taxes: ProformaItemTaxesProps;
-
-  // Estos campos vienen de la cabecera,
-  // pero se necesitan para cálculos y representaciones de la línea.
-  globalDiscountPercentage: DiscountPercentage; // % descuento de la cabecera
-  languageCode: LanguageCode; // Para formateos específicos de idioma
-  currencyCode: CurrencyCode; // Para cálculos y formateos de moneda
 }
 
-export type ProformaItemPatchProps = Omit<
-  IProformaItemCreateProps,
-  "globalDiscountPercentage" | "languageCode" | "currencyCode"
->;
+export type ProformaItemPatchProps = IProformaItemCreateProps;
 
 export interface IProformaItemTotals {
   subtotalAmount: ItemAmount;
@@ -67,16 +59,12 @@ export interface IProformaItemTotals {
 export interface IProformaItem {
   description: Maybe<ItemDescription>;
 
-  languageCode: LanguageCode;
-  currencyCode: CurrencyCode;
-
   quantity: Maybe<ItemQuantity>;
   unitAmount: Maybe<ItemAmount>;
 
   taxes: ProformaItemTaxes;
 
   itemDiscountPercentage: Maybe<DiscountPercentage>; // Descuento en línea
-  globalDiscountPercentage: DiscountPercentage; // Descuento en cabecera
 
   ivaCode(): Maybe<string>;
   ivaPercentage(): Maybe<TaxPercentage>;
@@ -87,7 +75,8 @@ export interface IProformaItem {
   retentionCode(): Maybe<string>;
   retentionPercentage(): Maybe<TaxPercentage>;
 
-  totals(): IProformaItemTotals;
+  totals(context: ProformaCalculationContext): IProformaItemTotals;
+  subtotalAmount(context: ProformaCalculationContext): ItemAmount;
 
   isValued(): boolean; // Indica si el item tiene cantidad o precio (o ambos) para ser considerado "valorizado"
 }
@@ -135,14 +124,6 @@ export class ProformaItem extends DomainEntity<InternalProformaItemProps> implem
     return this.props.description;
   }
 
-  get languageCode() {
-    return this.props.languageCode;
-  }
-
-  get currencyCode() {
-    return this.props.currencyCode;
-  }
-
   get quantity() {
     return this.props.quantity;
   }
@@ -155,10 +136,6 @@ export class ProformaItem extends DomainEntity<InternalProformaItemProps> implem
     return this.props.itemDiscountPercentage;
   }
 
-  get globalDiscountPercentage() {
-    return this.props.globalDiscountPercentage;
-  }
-
   get taxes() {
     return this.props.taxes;
   }
@@ -178,9 +155,9 @@ export class ProformaItem extends DomainEntity<InternalProformaItemProps> implem
     return this.props.quantity.isSome() && this.props.unitAmount.isSome();
   }
 
-  public subtotalAmount(): ItemAmount {
+  public subtotalAmount(context: ProformaCalculationContext): ItemAmount {
     if (!this.isValued()) {
-      return ItemAmount.zero(this.currencyCode.code);
+      return ItemAmount.zero(context.currencyCode.code);
     }
 
     const quantity = this.quantity.unwrap();
@@ -240,13 +217,14 @@ export class ProformaItem extends DomainEntity<InternalProformaItemProps> implem
    * - totalAmount
    *
    */
-  public totals(): IProformaItemTotals {
-    const subtotalAmount = this._calculateSubtotalAmount();
+  public totals(context: ProformaCalculationContext): IProformaItemTotals {
+    const subtotalAmount = this._calculateSubtotalAmount(context);
 
-    const itemDiscountAmount = this._calculateItemDiscountAmount(subtotalAmount);
+    const itemDiscountAmount = this._calculateItemDiscountAmount(subtotalAmount, context);
     const globalDiscountAmount = this._calculateGlobalDiscountAmount(
       subtotalAmount,
-      itemDiscountAmount
+      itemDiscountAmount,
+      context
     );
     const totalDiscountAmount = this._calculateTotalDiscountAmount(
       itemDiscountAmount,
@@ -286,9 +264,9 @@ export class ProformaItem extends DomainEntity<InternalProformaItemProps> implem
   /**
    * @summary Helper puro para calcular el subtotal.
    */
-  private _calculateSubtotalAmount(): ItemAmount {
+  private _calculateSubtotalAmount(context: ProformaCalculationContext): ItemAmount {
     if (!this.isValued()) {
-      return ItemAmount.zero(this.currencyCode.code);
+      return ItemAmount.zero(context.currencyCode.code);
     }
 
     const quantity = this.quantity.unwrap();
@@ -300,9 +278,12 @@ export class ProformaItem extends DomainEntity<InternalProformaItemProps> implem
   /**
    * @summary Helper puro para calcular el descuento de línea.
    */
-  private _calculateItemDiscountAmount(subtotal: ItemAmount): ItemAmount {
+  private _calculateItemDiscountAmount(
+    subtotal: ItemAmount,
+    context: ProformaCalculationContext
+  ): ItemAmount {
     if (!this.isValued() || this.props.itemDiscountPercentage.isNone()) {
-      return ItemAmount.zero(this.currencyCode.code);
+      return ItemAmount.zero(context.currencyCode.code);
     }
 
     const discountPercentage = this.props.itemDiscountPercentage.match(
@@ -318,15 +299,16 @@ export class ProformaItem extends DomainEntity<InternalProformaItemProps> implem
    */
   private _calculateGlobalDiscountAmount(
     subtotalAmount: ItemAmount,
-    discountAmount: ItemAmount
+    discountAmount: ItemAmount,
+    context: ProformaCalculationContext
   ): ItemAmount {
     if (!this.isValued()) {
-      return ItemAmount.zero(this.currencyCode.code);
+      return ItemAmount.zero(context.currencyCode.code);
     }
 
     const amountAfterLineDiscount = subtotalAmount.subtract(discountAmount);
 
-    const globalDiscount = this.props.globalDiscountPercentage;
+    const globalDiscount = context.globalDiscountPercentage;
     return amountAfterLineDiscount.percentage(globalDiscount);
   }
 

modules/customer-invoices/src/api/domain/proformas/entities/proforma-items/proforma-items.collection.ts

@@ -1,126 +1,40 @@
-import type { DiscountPercentage } from "@erp/core/api";
-import type { CurrencyCode, LanguageCode } from "@repo/rdx-ddd";
-import { Collection, Result } from "@repo/rdx-utils";
+import { Collection } from "@repo/rdx-utils";
 
-import { ProformaItemMismatch } from "../../errors";
-import { type IProformaTaxTotals, ProformaTaxesCalculator } from "../../services";
-import { ProformaItemsTotalsCalculator } from "../../services/proforma-items-totals-calculator";
+import {
+  type IProformaTaxTotals,
+  type ProformaCalculationContext,
+  ProformaItemsTotalsCalculator,
+  ProformaTaxesCalculator,
+} from "../../services";
 
 import type { IProformaItem, IProformaItemTotals, ProformaItem } from "./proforma-item.entity";
 
 export interface IProformaItemsProps {
   items?: ProformaItem[];
-
-  // Estos campos vienen de la cabecera,
-  // pero se necesitan para cálculos y representaciones de la línea.
-  globalDiscountPercentage: DiscountPercentage; // % descuento de la cabecera
-  languageCode: LanguageCode; // Para formateos específicos de idioma
-  currencyCode: CurrencyCode; // Para cálculos y formateos de moneda
 }
 
-/*type ProformaItemCreateProps = {
-  items: IProformaItemCreateProps[];
-
-  // Estos campos vienen de la cabecera,
-  // pero se necesitan para cálculos y representaciones de la línea.
-  globalDiscountPercentage: DiscountPercentage; // % descuento de la cabecera
-  languageCode: LanguageCode; // Para formateos específicos de idioma
-  currencyCode: CurrencyCode; // Para cálculos y formateos de moneda
-};
-
-type InternalProformaProps = Omit<ProformaItemCreateProps, "items"> & {
-  items: ProformaItem[];
-};*/
-
 export interface IProformaItems {
   // OJO, no extendemos de  Collection<IProformaItem> para no exponer
   // públicamente métodos para manipular la colección.
 
   valued(): IProformaItem[]; // Devuelve solo las líneas valoradas.
-  totals(): IProformaItemTotals;
-  taxes(): Collection<IProformaTaxTotals>;
-
-  globalDiscountPercentage: DiscountPercentage; // % descuento de la cabecera
-  languageCode: LanguageCode; // Para formateos específicos de idioma
-  currencyCode: CurrencyCode; // Para cálculos y formateos de moneda
+  totals(context: ProformaCalculationContext): IProformaItemTotals;
+  taxes(context: ProformaCalculationContext): Collection<IProformaTaxTotals>;
 }
 
 export class ProformaItems extends Collection<ProformaItem> implements IProformaItems {
-  public languageCode!: LanguageCode;
-  public currencyCode!: CurrencyCode;
-  public globalDiscountPercentage!: DiscountPercentage;
-
   private constructor(props: IProformaItemsProps) {
     super(props.items ?? []);
-    this.languageCode = props.languageCode;
-    this.currencyCode = props.currencyCode;
-    this.globalDiscountPercentage = props.globalDiscountPercentage;
-
-    if (this.items.length > 0) {
-      this.ensureSameContext(this.items);
-    }
-    4;
   }
 
   static create(props: IProformaItemsProps): ProformaItems {
     return new ProformaItems(props);
   }
 
-  public add(item: ProformaItem): boolean {
-    console.log("adding item", {
-      item: {
-        description: item.description.getOrUndefined()?.toString(),
-        quantity: item.quantity.getOrUndefined()?.toString(),
-        unitAmount: item.unitAmount.getOrUndefined()?.toObjectString(),
-        itemDiscountPercentage: item.itemDiscountPercentage.getOrUndefined()?.toObjectString(),
-        ivaPercentage: item.ivaPercentage.toString(),
-        recPercentage: item.recPercentage.toString(),
-        languageCode: item.languageCode.code,
-        currencyCode: item.currencyCode.code,
-        globalDiscountPercentage: item.globalDiscountPercentage.toObjectString(),
-      },
-      languageCode: this.languageCode,
-      currencyCode: this.currencyCode,
-      globalDiscountPercentage: this.globalDiscountPercentage,
-    });
-    const same =
-      this.languageCode.equals(item.languageCode) &&
-      this.currencyCode.equals(item.currencyCode) &&
-      this.globalDiscountPercentage.equals(item.globalDiscountPercentage);
-
-    if (!same) return false;
-
-    return super.add(item);
-  }
-
   public valued(): IProformaItem[] {
     return this.filter((item) => item.isValued());
   }
 
-  /**
-   * @summary Añade un nuevo ítem a la colección.
-   * @param item - El ítem de factura a añadir.
-   * @returns `true` si el ítem fue añadido correctamente; `false` si fue rechazado.
-   * @remarks
-   * Sólo se aceptan ítems cuyo `LanguageCode` y `CurrencyCode` coincidan con
-   * los de la colección. Si no coinciden, el método devuelve un resultado fallido sin modificar
-   * la colección.
-   */
-  public addItem(item: ProformaItem): Result<void, Error> {
-    // Antes de añadir un nuevo item, debo comprobar que el item a añadir
-    // tiene el mismo "currencyCode" y "languageCode" que la colección de items.
-    const same =
-      this.languageCode.equals(item.languageCode) &&
-      this.currencyCode.equals(item.currencyCode) &&
-      this.globalDiscountPercentage.equals(item.globalDiscountPercentage);
-
-    if (!same) {
-      return Result.fail(new ProformaItemMismatch(this.size()));
-    }
-    super.add(item);
-    return Result.ok();
-  }
-
   // Cálculos
 
   /**
@@ -128,24 +42,11 @@ export class ProformaItems extends Collection<ProformaItem> implements IProforma
    * @remarks
    * Delega en los ítems individuales (DDD correcto) pero evita múltiples recorridos.
    */
-  public totals(): IProformaItemTotals {
-    return new ProformaItemsTotalsCalculator(this).calculate();
+  public totals(context: ProformaCalculationContext): IProformaItemTotals {
+    return new ProformaItemsTotalsCalculator(this, context).calculate();
   }
 
-  public taxes(): Collection<IProformaTaxTotals> {
-    return new ProformaTaxesCalculator(this).calculate();
-  }
-
-  private ensureSameContext(items: IProformaItem[]): void {
-    for (const item of items) {
-      const same =
-        item.languageCode.equals(this.languageCode) &&
-        item.currencyCode.equals(this.currencyCode) &&
-        item.globalDiscountPercentage.equals(this.globalDiscountPercentage);
-
-      if (!same) {
-        throw new Error("[ProformaItems] All items must share the same context.");
-      }
-    }
+  public taxes(context: ProformaCalculationContext): Collection<IProformaTaxTotals> {
+    return new ProformaTaxesCalculator(this, context).calculate();
   }
 }

modules/customer-invoices/src/api/domain/proformas/services/index.ts

@@ -1 +1,4 @@
+export * from "./proforma-compare-tax-totals";
+export * from "./proforma-compute-tax-groups";
+export * from "./proforma-items-totals-calculator";
 export * from "./proforma-taxes-calculator";

modules/customer-invoices/src/api/domain/proformas/services/proforma-compute-tax-groups.ts

@@ -4,6 +4,8 @@ import { Maybe } from "@repo/rdx-utils";
 import { ItemAmount } from "../../common";
 import type { IProformaItems } from "../entities";
 
+import type { ProformaCalculationContext } from "./proforma-items-totals-calculator";
+
 type TaxGroupState = {
   taxableAmount: ItemAmount;
 
@@ -30,9 +32,12 @@ type TaxGroupState = {
  * - REC y RETENTION pueden ser None.
  * - No se recalculan porcentajes (se suma lo ya calculado por línea).
  */
-export function proformaComputeTaxGroups(items: IProformaItems): Map<string, TaxGroupState> {
+export function proformaComputeTaxGroups(
+  items: IProformaItems,
+  context: ProformaCalculationContext
+): Map<string, TaxGroupState> {
   const map = new Map<string, TaxGroupState>();
-  const currency = items.currencyCode;
+  const currency = context.currencyCode;
 
   for (const item of items.valued()) {
     const iva = item.taxes.iva;
@@ -65,7 +70,7 @@ export function proformaComputeTaxGroups(items: IProformaItems): Map<string, Tax
 
     const g = map.get(key)!;
 
-    const itemTotals = item.totals();
+    const itemTotals = item.totals(context);
 
     g.taxableAmount = g.taxableAmount.add(itemTotals.taxableAmount);
     g.ivaAmount = g.ivaAmount.add(itemTotals.ivaAmount);

modules/customer-invoices/src/api/domain/proformas/services/proforma-items-totals-calculator.ts

@@ -1,3 +1,6 @@
+import type { DiscountPercentage } from "@erp/core/api";
+import type { CurrencyCode, LanguageCode } from "@repo/rdx-ddd";
+
 import { ItemAmount } from "../../common";
 import type { ProformaItems } from "../entities";
 
@@ -18,15 +21,24 @@ export interface IProformaItemsTotals {
   totalAmount: ItemAmount;
 }
 
+export interface ProformaCalculationContext {
+  languageCode: LanguageCode;
+  currencyCode: CurrencyCode;
+  globalDiscountPercentage: DiscountPercentage;
+}
+
 /**
  * Acumula los totales (scale 4) a partir de los totales de las líneas valoradas.
  * Aquí no se hace ningúna operación de cálculo.
  */
 export class ProformaItemsTotalsCalculator {
-  constructor(private readonly items: ProformaItems) {}
+  constructor(
+    private readonly items: ProformaItems,
+    private readonly context: ProformaCalculationContext
+  ) {}
 
   public calculate(): IProformaItemsTotals {
-    const zero = ItemAmount.zero(this.items.currencyCode.code);
+    const zero = ItemAmount.zero(this.context.currencyCode.code);
 
     let subtotalAmount = zero;
 
@@ -44,7 +56,7 @@ export class ProformaItemsTotalsCalculator {
     let totalAmount = zero;
 
     for (const item of this.items.getAll()) {
-      const amounts = item.totals();
+      const amounts = item.totals(this.context);
 
       // Subtotales
       subtotalAmount = subtotalAmount.add(amounts.subtotalAmount);

modules/customer-invoices/src/api/domain/proformas/services/proforma-taxes-calculator.ts

@@ -6,6 +6,7 @@ import type { IProformaItems } from "../entities";
 
 import { proformaCompareTaxTotals } from "./proforma-compare-tax-totals";
 import { proformaComputeTaxGroups } from "./proforma-compute-tax-groups";
+import type { ProformaCalculationContext } from "./proforma-items-totals-calculator";
 
 export interface IProformaTaxTotals {
   taxableAmount: InvoiceAmount;
@@ -26,10 +27,13 @@ export interface IProformaTaxTotals {
 }
 
 export class ProformaTaxesCalculator {
-  constructor(private readonly items: IProformaItems) {}
+  constructor(
+    private readonly items: IProformaItems,
+    private readonly context: ProformaCalculationContext
+  ) {}
 
   public calculate(): Collection<IProformaTaxTotals> {
-    const groups = proformaComputeTaxGroups(this.items); // <- devuelve en escala 4
+    const groups = proformaComputeTaxGroups(this.items, this.context); // <- devuelve en escala 4
 
     // Vamos acumulando los importes, redondeando previamente a 2 decimales
     const rows = Array.from(groups.values()).map((g) => {
@@ -65,7 +69,7 @@ export class ProformaTaxesCalculator {
   private toInvoiceAmount(amount: ItemAmount): InvoiceAmount {
     return InvoiceAmount.create({
       value: amount.convertScale(InvoiceAmount.DEFAULT_SCALE).value,
-      currency_code: this.items.currencyCode.code,
+      currency_code: this.context.currencyCode.code,
     }).data;
   }
 }

modules/customer-invoices/src/api/infrastructure/proformas/persistence/sequelize/mappers/domain/sequelize-proforma-domain.mapper.ts

@@ -241,9 +241,6 @@ export class SequelizeProformaDomainMapper extends SequelizeDomainMapper<
 
       // 6) Construcción del agregado (Dominio)
       const items = ProformaItems.create({
-        languageCode: attributes.languageCode!,
-        currencyCode: attributes.currencyCode!,
-        globalDiscountPercentage: attributes.globalDiscountPercentage!,
         items: itemCollectionResults.data.getAll(),
       });
 

modules/customer-invoices/src/api/infrastructure/proformas/persistence/sequelize/mappers/domain/sequelize-proforma-item-domain.mapper.ts

@@ -128,15 +128,10 @@ export class SequelizeProformaItemDomainMapper extends SequelizeDomainMapper<
 
     return {
       itemId,
-
-      languageCode: parent.languageCode,
-      currencyCode: parent.currencyCode,
       description,
       quantity,
       unitAmount,
       itemDiscountPercentage,
-      globalDiscountPercentage: parent.globalDiscountPercentage,
-
       iva,
       rec,
       retention,
@@ -179,11 +174,7 @@ export class SequelizeProformaItemDomainMapper extends SequelizeDomainMapper<
         unitAmount: attributes.unitAmount!,
 
         itemDiscountPercentage: attributes.itemDiscountPercentage!,
-        globalDiscountPercentage: attributes.globalDiscountPercentage!,
         taxes: taxesResult.data,
-
-        languageCode: attributes.languageCode!,
-        currencyCode: attributes.currencyCode!,
       },
       itemId
     );
@@ -201,7 +192,11 @@ export class SequelizeProformaItemDomainMapper extends SequelizeDomainMapper<
       errors: ValidationErrorDetail[];
     };
 
-    const allAmounts = source.totals();
+    const allAmounts = source.totals({
+      currencyCode: parent.currencyCode,
+      globalDiscountPercentage: parent.globalDiscountPercentage,
+      languageCode: parent.languageCode,
+    });
 
     return Result.ok({
       item_id: source.id.toPrimitive(),
@@ -236,8 +231,9 @@ export class SequelizeProformaItemDomainMapper extends SequelizeDomainMapper<
       item_discount_amount_scale: allAmounts.itemDiscountAmount.scale,
 
       //
-      global_discount_percentage_value: source.globalDiscountPercentage.value,
-      global_discount_percentage_scale: source.globalDiscountPercentage.scale,
+      global_discount_percentage_value: parent.globalDiscountPercentage.toPrimitive().value,
+      global_discount_percentage_scale:
+        parent.globalDiscountPercentage.toPrimitive().scale ?? DiscountPercentage.DEFAULT_SCALE,
 
       global_discount_amount_value: allAmounts.globalDiscountAmount.value,
       global_discount_amount_scale: allAmounts.globalDiscountAmount.scale,

modules/customer-invoices/src/web/proformas/update/adapters/map-proforma-to-proforma-update-form.adapter.ts

@@ -28,6 +28,8 @@ export const mapProformaToProformaUpdateForm = (proforma: Proforma): ProformaUpd
   const defaultRetentionPercentage =
     defaultTaxSummary?.retentionPercentage ?? firstTaxableItem?.retentionPercentage ?? null;
 
+  console.log({ defaultTaxPercentage, defaultRecPercentage, defaultRetentionPercentage, taxMode });
+
   return {
     series: proforma.series ?? proformaDefaults.series,