Proceso de paso de proforma a factura

apps/server/src/app.ts

@@ -1,3 +1,4 @@
+import { globalErrorHandler } from "@erp/core/api";
 import cors, { CorsOptions } from "cors";
 import express, { Application } from "express";
 import helmet from "helmet";
@@ -86,5 +87,10 @@ export function createApp(): Application {
     next();
   });
 
+  // Gestión global de errores.
+  // Siempre al final de la cadena de middlewares
+  // y después de las rutas.
+  app.use(globalErrorHandler);
+
   return app;
 }

apps/server/src/routes/index.ts

@@ -18,8 +18,3 @@ export const v1Routes = (): Router => {
 
   return routes;
 };
-
-// Gestión global de errores.
-// Siempre al final de la cadena de middlewares
-// y después de las rutas.
-//app.use(globalErrorHandler);

modules/core/src/api/infrastructure/database/transaction-manager.ts

@@ -1,9 +1,7 @@
-import { loggerSingleton } from "@repo/rdx-logger";
 import { Result } from "@repo/rdx-utils";
+import { logger } from "../../helpers";
 import { ITransactionManager } from "./transaction-manager.interface";
 
-const logger = loggerSingleton();
-
 export abstract class TransactionManager implements ITransactionManager {
   protected _transaction: unknown | null = null;
   protected _isCompleted = false;

modules/core/src/api/infrastructure/express/api-error-mapper.ts

@@ -13,9 +13,9 @@
 
 import {
   DomainValidationError,
-  ValidationErrorCollection,
   isDomainValidationError,
   isValidationErrorCollection,
+  ValidationErrorCollection,
 } from "@repo/rdx-ddd";
 
 import {

modules/core/src/api/infrastructure/express/middlewares/global-error-handler.ts

@@ -1,4 +1,5 @@
 import { NextFunction, Request, Response } from "express";
+import { logger } from "../../../helpers";
 import { ApiErrorContext, ApiErrorMapper, toProblemJson } from "../api-error-mapper";
 
 // ✅ Construye tu mapper una vez (composition root del adaptador HTTP)
@@ -10,7 +11,7 @@ export const globalErrorHandler = async (
   res: Response,
   next: NextFunction
 ) => {
-  console.error(`❌ Global unhandled error: ${error.message}`);
+  //console.error(`❌ Global unhandled error: ${error.message}`);
 
   // Si ya se envió una respuesta, delegamos al siguiente error handler
   if (res.headersSent) {
@@ -26,7 +27,9 @@ export const globalErrorHandler = async (
   const body = toProblemJson(apiError, ctx);
 
   // 👇 Log interno con cause/traza (no lo exponemos al cliente)
-  // logger.error({ err, cause: (err as any)?.cause, ...ctx }, `❌ Unhandled API error: ${error.message}`);
+  logger.error(`❌ Global unhandled API error: ${error.message}`, {
+    label: "globalErrorHandler",
+  });
 
   res.status(apiError.status).json(body);
 };

modules/customer-invoices/src/api/application/presenters/domain/customer-invoice.full.presenter.ts

@@ -69,10 +69,11 @@ export class CustomerInvoiceFullPresenter extends Presenter<
       payment_method: payment,
 
       subtotal_amount: allAmounts.subtotalAmount.toObjectString(),
+      items_discount_amount: allAmounts.itemDiscountAmount.toObjectString(),
 
       discount_percentage: invoice.discountPercentage.toObjectString(),
+      discount_amount: allAmounts.headerDiscountAmount.toObjectString(),
 
-      discount_amount: allAmounts.discountAmount.toObjectString(),
       taxable_amount: allAmounts.taxableAmount.toObjectString(),
       taxes_amount: allAmounts.taxesAmount.toObjectString(),
       total_amount: allAmounts.totalAmount.toObjectString(),

modules/customer-invoices/src/api/application/use-cases/issue-customer-invoice.use-case.ts

@@ -1,8 +1,8 @@
 import { ITransactionManager } from "@erp/core/api";
 import { UniqueID, UtcDate } from "@repo/rdx-ddd";
-import { Maybe, Result } from "@repo/rdx-utils";
-import { InvalidProformaStatusError } from "../../domain";
-import { StatusInvoiceIsApprovedSpecification } from "../../domain/specs";
+import { Result } from "@repo/rdx-utils";
+import { ProformaCannotBeConvertedToInvoiceError } from "../../domain";
+import { ProformaCanTranstionToIssuedSpecification } from "../../domain/specs";
 import { CustomerInvoiceApplicationService } from "../customer-invoice-application.service";
 
 type IssueCustomerInvoiceUseCaseInput = {
@@ -52,9 +52,9 @@ export class IssueCustomerInvoiceUseCase {
         const proforma = proformaResult.data;
 
         /** 2. Comprobamos que la proforma origen está aprovada para generar la factura */
-        const isApprovedSpec = new StatusInvoiceIsApprovedSpecification();
-        if (!(await isApprovedSpec.isSatisfiedBy(proforma))) {
-          return Result.fail(new InvalidProformaStatusError(proformaId.toString()));
+        const isOk = new ProformaCanTranstionToIssuedSpecification();
+        if (!(await isOk.isSatisfiedBy(proforma))) {
+          return Result.fail(new ProformaCannotBeConvertedToInvoiceError(proformaId.toString()));
         }
 
         /** 3. Generar nueva factura */
@@ -71,7 +71,7 @@ export class IssueCustomerInvoiceUseCase {
 
         // props base obtenidas del agregado proforma
         const issuedInvoiceOrError = this.service.buildIssueInvoiceInCompany(companyId, proforma, {
-          invoiceNumber: Maybe.some(newIssueNumber),
+          invoiceNumber: newIssueNumber,
           invoiceDate: UtcDate.today(),
         });
 

modules/customer-invoices/src/api/domain/aggregates/customer-invoice.ts

@@ -60,11 +60,13 @@ export type CustomerInvoicePatchProps = Partial<
 };
 
 export interface ICustomerInvoice {
+  canTransitionTo(nextStatus: string): boolean;
+
   hasRecipient: boolean;
   hasPaymentMethod: boolean;
 
-  getSubtotalAmount(): InvoiceAmount;
-  getDiscountAmount(): InvoiceAmount;
+  _getSubtotalAmount(): InvoiceAmount;
+  getHeaderDiscountAmount(): InvoiceAmount;
 
   getTaxableAmount(): InvoiceAmount;
   getTaxesAmount(): InvoiceAmount;
@@ -92,6 +94,18 @@ export class CustomerInvoice
         currencyCode: props.currencyCode,
       });
   }
+  getHeaderDiscountAmount(): InvoiceAmount {
+    throw new Error("Method not implemented.");
+  }
+  getTaxableAmount(): InvoiceAmount {
+    throw new Error("Method not implemented.");
+  }
+  getTaxesAmount(): InvoiceAmount {
+    throw new Error("Method not implemented.");
+  }
+  getTotalAmount(): InvoiceAmount {
+    throw new Error("Method not implemented.");
+  }
 
   static create(props: CustomerInvoiceProps, id?: UniqueID): Result<CustomerInvoice, Error> {
     const customerInvoice = new CustomerInvoice(props, id);
@@ -155,6 +169,10 @@ export class CustomerInvoice
     return this.props.status;
   }
 
+  canTransitionTo(nextStatus: string): boolean {
+    return this.props.status.canTransitionTo(nextStatus);
+  }
+
   public get series(): Maybe<CustomerInvoiceSerie> {
     return this.props.series;
   }
@@ -216,15 +234,19 @@ export class CustomerInvoice
     return this.paymentMethod.isSome();
   }
 
-  private _getDiscountAmount(subtotalAmount: InvoiceAmount): InvoiceAmount {
-    return subtotalAmount.percentage(this.discountPercentage);
+  private _getHeaderDiscountAmount(
+    subtotalAmount: InvoiceAmount,
+    itemsDiscountAmount: InvoiceAmount
+  ): InvoiceAmount {
+    return subtotalAmount.subtract(itemsDiscountAmount).percentage(this.discountPercentage);
   }
 
   private _getTaxableAmount(
     subtotalAmount: InvoiceAmount,
-    discountAmount: InvoiceAmount
+    itemsDiscountAmount: InvoiceAmount,
+    headerDiscountAmount: InvoiceAmount
   ): InvoiceAmount {
-    return subtotalAmount.subtract(discountAmount);
+    return subtotalAmount.subtract(itemsDiscountAmount).subtract(headerDiscountAmount);
   }
 
   private _getTaxesAmount(taxableAmount: InvoiceAmount): InvoiceAmount {
@@ -247,7 +269,7 @@ export class CustomerInvoice
     return taxableAmount.add(taxesAmount);
   }
 
-  public getSubtotalAmount(): InvoiceAmount {
+  public _getSubtotalAmount(): InvoiceAmount {
     const itemsSubtotal = this.items.getSubtotalAmount().convertScale(2);
 
     return InvoiceAmount.create({
@@ -256,12 +278,21 @@ export class CustomerInvoice
     }).data as InvoiceAmount;
   }
 
-  public getDiscountAmount(): InvoiceAmount {
-    return this._getDiscountAmount(this.getSubtotalAmount());
+  public _getItemsDiscountAmount(): InvoiceAmount {
+    const itemsDiscountAmount = this.items.getDiscountAmount().convertScale(2);
+
+    return InvoiceAmount.create({
+      value: itemsDiscountAmount.value,
+      currency_code: this.currencyCode.code,
+    }).data as InvoiceAmount;
+  }
+
+  /*public getHeaderDiscountAmount(): InvoiceAmount {
+    return this._getHeaderDiscountAmount(this.getSubtotalAmount());
   }
 
   public getTaxableAmount(): InvoiceAmount {
-    return this._getTaxableAmount(this.getSubtotalAmount(), this.getDiscountAmount());
+    return this._getTaxableAmount(this.getSubtotalAmount(), this.getHeaderDiscountAmount());
   }
 
   public getTaxesAmount(): InvoiceAmount {
@@ -273,7 +304,7 @@ export class CustomerInvoice
     const taxesAmount = this._getTaxesAmount(taxableAmount);
 
     return this._getTotalAmount(taxableAmount, taxesAmount);
-  }
+  }*/
 
   public getTaxes(): InvoiceTaxTotal[] {
     const itemTaxes = this.items.getTaxesAmountByTaxes();
@@ -294,15 +325,23 @@ export class CustomerInvoice
   }
 
   public getAllAmounts() {
-    const subtotalAmount = this.getSubtotalAmount();
-    const discountAmount = this._getDiscountAmount(subtotalAmount);
-    const taxableAmount = this._getTaxableAmount(subtotalAmount, discountAmount);
+    const subtotalAmount = this._getSubtotalAmount(); // Sin IVA ni dtos de línea
+    const itemDiscountAmount = this._getItemsDiscountAmount(); // Suma de los Importes de descuentos de linea
+    const headerDiscountAmount = this._getHeaderDiscountAmount(subtotalAmount, itemDiscountAmount); // Importe de descuento de cabecera
+
+    const taxableAmount = this._getTaxableAmount(
+      subtotalAmount,
+      itemDiscountAmount,
+      headerDiscountAmount
+    ); //
+
     const taxesAmount = this._getTaxesAmount(taxableAmount);
     const totalAmount = this._getTotalAmount(taxableAmount, taxesAmount);
 
     return {
       subtotalAmount,
-      discountAmount,
+      itemDiscountAmount,
+      headerDiscountAmount,
       taxableAmount,
       taxesAmount,
       totalAmount,

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

@@ -53,7 +53,7 @@ export class CustomerInvoiceItems extends Collection<CustomerInvoiceItem> {
    */
   public getSubtotalAmount(): ItemAmount {
     return this.getAll().reduce(
-      (total, tax) => total.add(tax.getSubtotalAmount()),
+      (total, item) => total.add(item.getSubtotalAmount()),
       ItemAmount.zero(this._currencyCode.code)
     );
   }

modules/customer-invoices/src/api/domain/errors/index.ts

@@ -1,2 +1,2 @@
 export * from "./customer-invoice-id-already-exits-error";
-export * from "./invalid-proforma-status-error";
+export * from "./proforma-cannot-be-converted-to-invoice-error";

modules/customer-invoices/src/api/domain/errors/invalid-proforma-status-error.ts

@@ -1,11 +0,0 @@
-import { DomainError } from "@repo/rdx-ddd";
-
-export class InvalidProformaStatusError extends DomainError {
-  constructor(id: string, options?: ErrorOptions) {
-    super(`Error. Proforma with id '${id}' has invalid status.`, options);
-    this.name = "InvalidProformaStatusError";
-  }
-}
-
-export const isInvalidProformaStatusError = (e: unknown): e is InvalidProformaStatusError =>
-  e instanceof InvalidProformaStatusError;

modules/customer-invoices/src/api/domain/errors/proforma-cannot-be-converted-to-invoice-error.ts

@@ -0,0 +1,33 @@
+import { DomainError } from "@repo/rdx-ddd";
+
+/**
+ * Error de dominio que indica que una Proforma no puede convertirse a Factura (issue).
+ *
+ * @remarks
+ * - Se lanza cuando el flujo de emisión (issue) desde una Proforma no es válido
+ *
+ * @public
+ */
+export class ProformaCannotBeConvertedToInvoiceError extends DomainError {
+  /**
+   * Crea una instancia del error con el identificador de la Proforma.
+   *
+   * @param id - Identificador de la Proforma.
+   * @param options - Opciones nativas de Error (puedes pasar `cause`).
+   */
+  constructor(id: string, options?: ErrorOptions) {
+    super(`Error. Proforma with id '${id}' cannot be converted to an Invoice.`, options);
+    this.name = "ProformaCannotBeConvertedToInvoiceError";
+  }
+}
+
+/**
+ * *Type guard* para `ProformaCannotBeConvertedToInvoiceError`.
+ *
+ * @param e - Error desconocido
+ * @returns `true` si `e` es `ProformaCannotBeConvertedToInvoiceError`
+ */
+export const isProformaCannotBeConvertedToInvoiceError = (
+  e: unknown
+): e is ProformaCannotBeConvertedToInvoiceError =>
+  e instanceof ProformaCannotBeConvertedToInvoiceError;

modules/customer-invoices/src/api/domain/specs/index.ts

@@ -1 +1 @@
-export * from "./status-invoice-is-approved.specification";
+export * from "./proforma-can-transtion-to-issued.specification";

modules/customer-invoices/src/api/domain/specs/proforma-can-transtion-to-issued.specification.ts

@@ -0,0 +1,9 @@
+import { CompositeSpecification } from "@repo/rdx-ddd";
+import { CustomerInvoice } from "../aggregates";
+import { INVOICE_STATUS } from "../value-objects";
+
+export class ProformaCanTranstionToIssuedSpecification extends CompositeSpecification<CustomerInvoice> {
+  public async isSatisfiedBy(proforma: CustomerInvoice): Promise<boolean> {
+    return proforma.isProforma && proforma.canTransitionTo(INVOICE_STATUS.ISSUED);
+  }
+}

modules/customer-invoices/src/api/domain/specs/status-invoice-is-approved.specification.ts

@@ -1,8 +0,0 @@
-import { CompositeSpecification } from "@repo/rdx-ddd";
-import { CustomerInvoice } from "../aggregates";
-
-export class StatusInvoiceIsApprovedSpecification extends CompositeSpecification<CustomerInvoice> {
-  public async isSatisfiedBy(invoice: CustomerInvoice): Promise<boolean> {
-    return invoice.status.isApproved();
-  }
-}

modules/customer-invoices/src/api/domain/value-objects/customer-invoice-status.ts

@@ -11,9 +11,8 @@ export enum INVOICE_STATUS {
   APPROVED = "approved", // <- Proforma
   REJECTED = "rejected", // <- Proforma
 
-  // status === issued <- (si is_proforma === true) => Es una proforma (histórica)
-  // status === issued <- (si is_proforma === false) => Factura y enviará/enviada a Veri*Factu
-
+  // status === "issued" <- (si is_proforma === true) => Es una proforma (histórica)
+  // status === "issued" <- (si is_proforma === false) => Factura y enviará/enviada a Veri*Factu
   ISSUED = "issued",
 }
 export class CustomerInvoiceStatus extends ValueObject<ICustomerInvoiceStatusProps> {
@@ -93,15 +92,6 @@ export class CustomerInvoiceStatus extends ValueObject<ICustomerInvoiceStatusPro
     return CustomerInvoiceStatus.TRANSITIONS[this.props.value].includes(nextStatus);
   }
 
-  transitionTo(nextStatus: string): Result<CustomerInvoiceStatus, Error> {
-    if (!this.canTransitionTo(nextStatus)) {
-      return Result.fail(
-        new Error(`Transición no permitida de ${this.props.value} a ${nextStatus}`)
-      );
-    }
-    return CustomerInvoiceStatus.create(nextStatus);
-  }
-
   toString() {
     return String(this.props.value);
   }

modules/customer-invoices/src/api/infrastructure/express/controllers/create-customer-invoice.controller.ts

@@ -1,11 +1,14 @@
-import { ExpressController, authGuard, forbidQueryFieldGuard, tenantGuard } from "@erp/core/api";
+import { authGuard, ExpressController, forbidQueryFieldGuard, tenantGuard } from "@erp/core/api";
 
 import { CreateCustomerInvoiceRequestDTO } from "../../../../common/dto";
 import { CreateCustomerInvoiceUseCase } from "../../../application";
+import { customerInvoicesApiErrorMapper } from "../customer-invoices-api-error-mapper";
 
 export class CreateCustomerInvoiceController extends ExpressController {
   public constructor(private readonly useCase: CreateCustomerInvoiceUseCase) {
     super();
+    this.errorMapper = customerInvoicesApiErrorMapper;
+
     // 🔐 Reutiliza guards de auth/tenant y prohíbe 'companyId' en query
     this.registerGuards(authGuard(), tenantGuard(), forbidQueryFieldGuard("companyId"));
   }

modules/customer-invoices/src/api/infrastructure/express/controllers/delete-customer-invoice.controller.ts

@@ -1,5 +1,6 @@
-import { ExpressController, authGuard, forbidQueryFieldGuard, tenantGuard } from "@erp/core/api";
+import { authGuard, ExpressController, forbidQueryFieldGuard, tenantGuard } from "@erp/core/api";
 import { DeleteCustomerInvoiceUseCase } from "../../../application";
+import { customerInvoicesApiErrorMapper } from "../customer-invoices-api-error-mapper";
 
 export class DeleteCustomerInvoiceController extends ExpressController {
   public constructor(
@@ -7,6 +8,8 @@ export class DeleteCustomerInvoiceController extends ExpressController {
     /* private readonly presenter: any */
   ) {
     super();
+    this.errorMapper = customerInvoicesApiErrorMapper;
+
     // 🔐 Reutiliza guards de auth/tenant y prohíbe 'companyId' en query
     this.registerGuards(authGuard(), tenantGuard(), forbidQueryFieldGuard("companyId"));
   }

modules/customer-invoices/src/api/infrastructure/express/controllers/get-customer-invoice.controller.ts

@@ -1,9 +1,12 @@
-import { ExpressController, authGuard, forbidQueryFieldGuard, tenantGuard } from "@erp/core/api";
+import { authGuard, ExpressController, forbidQueryFieldGuard, tenantGuard } from "@erp/core/api";
 import { GetCustomerInvoiceUseCase } from "../../../application";
+import { customerInvoicesApiErrorMapper } from "../customer-invoices-api-error-mapper";
 
 export class GetCustomerInvoiceController extends ExpressController {
   public constructor(private readonly useCase: GetCustomerInvoiceUseCase) {
     super();
+    this.errorMapper = customerInvoicesApiErrorMapper;
+
     // 🔐 Reutiliza guards de auth/tenant y prohíbe 'companyId' en query
     this.registerGuards(authGuard(), tenantGuard(), forbidQueryFieldGuard("companyId"));
   }

modules/customer-invoices/src/api/infrastructure/express/controllers/issue-customer-invoice.controller.ts

@@ -1,9 +1,12 @@
 import { authGuard, ExpressController, forbidQueryFieldGuard, tenantGuard } from "@erp/core/api";
 import { IssueCustomerInvoiceUseCase } from "../../../application";
+import { customerInvoicesApiErrorMapper } from "../customer-invoices-api-error-mapper";
 
 export class IssueCustomerInvoiceController extends ExpressController {
   public constructor(private readonly useCase: IssueCustomerInvoiceUseCase) {
     super();
+    this.errorMapper = customerInvoicesApiErrorMapper;
+
     // 🔐 Reutiliza guards de auth/tenant y prohíbe 'companyId' en query
     this.registerGuards(authGuard(), tenantGuard(), forbidQueryFieldGuard("companyId"));
   }

modules/customer-invoices/src/api/infrastructure/express/controllers/list-customer-invoices.controller.ts

@@ -1,10 +1,13 @@
 import { authGuard, ExpressController, forbidQueryFieldGuard, tenantGuard } from "@erp/core/api";
 import { Criteria } from "@repo/rdx-criteria/server";
 import { ListCustomerInvoicesUseCase } from "../../../application";
+import { customerInvoicesApiErrorMapper } from "../customer-invoices-api-error-mapper";
 
 export class ListCustomerInvoicesController extends ExpressController {
   public constructor(private readonly useCase: ListCustomerInvoicesUseCase) {
     super();
+    this.errorMapper = customerInvoicesApiErrorMapper;
+
     // 🔐 Reutiliza guards de auth/tenant y prohíbe 'companyId' en query
     this.registerGuards(authGuard(), tenantGuard(), forbidQueryFieldGuard("companyId"));
   }

modules/customer-invoices/src/api/infrastructure/express/controllers/report-customer-invoice.controller.ts

@@ -1,9 +1,12 @@
-import { ExpressController, authGuard, forbidQueryFieldGuard, tenantGuard } from "@erp/core/api";
+import { authGuard, ExpressController, forbidQueryFieldGuard, tenantGuard } from "@erp/core/api";
 import { ReportCustomerInvoiceUseCase } from "../../../application";
+import { customerInvoicesApiErrorMapper } from "../customer-invoices-api-error-mapper";
 
 export class ReportCustomerInvoiceController extends ExpressController {
   public constructor(private readonly useCase: ReportCustomerInvoiceUseCase) {
     super();
+    this.errorMapper = customerInvoicesApiErrorMapper;
+
     // 🔐 Reutiliza guards de auth/tenant y prohíbe 'companyId' en query
     this.registerGuards(authGuard(), tenantGuard(), forbidQueryFieldGuard("companyId"));
   }

modules/customer-invoices/src/api/infrastructure/express/controllers/update-customer-invoice.controller.ts

@@ -1,10 +1,13 @@
 import { authGuard, ExpressController, forbidQueryFieldGuard, tenantGuard } from "@erp/core/api";
 import { UpdateCustomerInvoiceByIdRequestDTO } from "../../../../common/dto";
 import { UpdateCustomerInvoiceUseCase } from "../../../application";
+import { customerInvoicesApiErrorMapper } from "../customer-invoices-api-error-mapper";
 
 export class UpdateCustomerInvoiceController extends ExpressController {
   public constructor(private readonly useCase: UpdateCustomerInvoiceUseCase) {
     super();
+    this.errorMapper = customerInvoicesApiErrorMapper;
+
     // 🔐 Reutiliza guards de auth/tenant y prohíbe 'companyId' en query
     this.registerGuards(authGuard(), tenantGuard(), forbidQueryFieldGuard("companyId"));
   }

modules/customer-invoices/src/api/infrastructure/express/customer-invoices-api-error-mapper.ts

@@ -1,10 +1,17 @@
 // Ejemplo: regla específica para Billing → InvoiceIdAlreadyExistsError
 // (si defines un error más ubicuo dentro del BC con su propia clase)
 
-import { ApiErrorMapper, ConflictApiError, ErrorToApiRule } from "@erp/core/api";
+import {
+  ApiErrorMapper,
+  ConflictApiError,
+  ErrorToApiRule,
+  ValidationApiError,
+} from "@erp/core/api";
 import {
   CustomerInvoiceIdAlreadyExistsError,
   isCustomerInvoiceIdAlreadyExistsError,
+  isProformaCannotBeConvertedToInvoiceError,
+  ProformaCannotBeConvertedToInvoiceError,
 } from "../../domain";
 
 // Crea una regla específica (prioridad alta para sobreescribir mensajes)
@@ -18,6 +25,17 @@ const invoiceDuplicateRule: ErrorToApiRule = {
     ),
 };
 
+const proformaConversionRule: ErrorToApiRule = {
+  priority: 120,
+  matches: (e) => isProformaCannotBeConvertedToInvoiceError(e),
+  build: (e) =>
+    new ValidationApiError(
+      (e as ProformaCannotBeConvertedToInvoiceError).message ||
+        "Proforma cannot be converted to an Invoice."
+    ),
+};
+
 // Cómo aplicarla: crea una nueva instancia del mapper con la regla extra
-export const customerInvoicesApiErrorMapper: ApiErrorMapper =
-  ApiErrorMapper.default().register(invoiceDuplicateRule);
+export const customerInvoicesApiErrorMapper: ApiErrorMapper = ApiErrorMapper.default()
+  .register(invoiceDuplicateRule)
+  .register(proformaConversionRule);

modules/customer-invoices/src/common/dto/response/get-customer-invoice-by-id.response.dto.ts

@@ -48,6 +48,7 @@ export const GetCustomerInvoiceByIdResponseSchema = z.object({
     .optional(),
 
   subtotal_amount: MoneySchema,
+  items_discount_amount: MoneySchema,
   discount_percentage: PercentageSchema,
   discount_amount: MoneySchema,
   taxable_amount: MoneySchema,

modules/customer-invoices/src/web/components/editor/items/use-items-columns.tsx

@@ -1,20 +1,19 @@
-import { DataTableColumnHeader } from '@repo/rdx-ui/components';
+import { DataTableColumnHeader } from "@repo/rdx-ui/components";
 import { InputGroup, InputGroupTextarea } from "@repo/shadcn-ui/components";
 import { cn } from "@repo/shadcn-ui/lib/utils";
 import type { ColumnDef } from "@tanstack/react-table";
 import * as React from "react";
 import { Controller, useFormContext } from "react-hook-form";
-import { useInvoiceContext } from '../../../context';
-import { CustomerInvoiceTaxesMultiSelect } from '../../customer-invoice-taxes-multi-select';
-import { AmountInputField } from './amount-input-field';
-import { HoverCardTotalsSummary } from './hover-card-total-summary';
-import { ItemDataTableRowActions } from './items-data-table-row-actions';
-import { PercentageInputField } from './percentage-input-field';
-import { QuantityInputField } from './quantity-input-field';
-
+import { useInvoiceContext } from "../../../context";
+import { CustomerInvoiceTaxesMultiSelect } from "../../customer-invoice-taxes-multi-select";
+import { AmountInputField } from "./amount-input-field";
+import { HoverCardTotalsSummary } from "./hover-card-total-summary";
+import { ItemDataTableRowActions } from "./items-data-table-row-actions";
+import { PercentageInputField } from "./percentage-input-field";
+import { QuantityInputField } from "./quantity-input-field";
 
 export interface InvoiceItemFormData {
-  id: string;                // ← mapea RHF field.id aquí
+  id: string; // ← mapea RHF field.id aquí
   description: string;
   quantity: number | "";
   unit_amount: number | "";
@@ -22,53 +21,62 @@ export interface InvoiceItemFormData {
   tax_codes: string[];
   total_amount: number | ""; // readonly calculado
 }
-export interface InvoiceFormData { items: InvoiceItemFormData[] }
+export interface InvoiceFormData {
+  items: InvoiceItemFormData[];
+}
 
 export function useItemsColumns(): ColumnDef<InvoiceItemFormData>[] {
   const { t, readOnly, currency_code, language_code } = useInvoiceContext();
   const { control } = useFormContext<InvoiceFormData>();
 
   // Atención: Memoizar siempre para evitar reconstrucciones y resets de estado de tabla
-  return React.useMemo<ColumnDef<InvoiceItemFormData>[]>(() => [
-    {
-      id: 'position',
-      header: ({ column }) => (
-        <DataTableColumnHeader column={column} title={"#"} className='text-center' />
-      ),
-      cell: ({ row }) => row.index + 1,
-      enableSorting: false,
-      size: 32,
-    },
-    {
-      accessorKey: "description",
-      header: ({ column }) => (
-        <DataTableColumnHeader column={column} title={t("form_fields.item.description.label")} className='text-left' />
-      ),
-      cell: ({ row }) => (
-        <Controller
-          control={control}
-          name={`items.${row.index}.description`}
-          render={({ field }) => (
-            <InputGroup>
-              <InputGroupTextarea {...field}
-                id={`desc-${row.original.id}`} // ← estable
-                rows={1}
-                aria-label={t("form_fields.item.description.label")}
-                spellCheck
-                readOnly={readOnly}
-                // auto-grow simple
-                onInput={(e) => {
-                  const el = e.currentTarget;
-                  el.style.height = "auto";
-                  el.style.height = `${el.scrollHeight}px`;
-                }}
-                className={cn(
-                  "min-w-[12rem] max-w-[46rem] w-full resize-none bg-transparent border-dashed transition",
-                  "focus-visible:ring-2 focus-visible:ring-ring focus-visible:bg-background focus-visible:border-solid",
-                  "focus:resize-y"
-                )}
-                data-cell-focus />
-              {/*<InputGroupAddon align="block-end">
+  return React.useMemo<ColumnDef<InvoiceItemFormData>[]>(
+    () => [
+      {
+        id: "position",
+        header: ({ column }) => (
+          <DataTableColumnHeader column={column} title={"#"} className='text-center' />
+        ),
+        cell: ({ row }) => row.index + 1,
+        enableSorting: false,
+        size: 32,
+      },
+      {
+        accessorKey: "description",
+        header: ({ column }) => (
+          <DataTableColumnHeader
+            column={column}
+            title={t("form_fields.item.description.label")}
+            className='text-left'
+          />
+        ),
+        cell: ({ row }) => (
+          <Controller
+            control={control}
+            name={`items.${row.index}.description`}
+            render={({ field }) => (
+              <InputGroup>
+                <InputGroupTextarea
+                  {...field}
+                  id={`desc-${row.original.id}`} // ← estable
+                  rows={1}
+                  aria-label={t("form_fields.item.description.label")}
+                  spellCheck
+                  readOnly={readOnly}
+                  // auto-grow simple
+                  onInput={(e) => {
+                    const el = e.currentTarget;
+                    el.style.height = "auto";
+                    el.style.height = `${el.scrollHeight}px`;
+                  }}
+                  className={cn(
+                    "min-w-[12rem] max-w-[46rem] w-full resize-none bg-transparent border-dashed transition",
+                    "focus-visible:ring-2 focus-visible:ring-ring focus-visible:bg-background focus-visible:border-solid",
+                    "focus:resize-y"
+                  )}
+                  data-cell-focus
+                />
+                {/*<InputGroupAddon align="block-end">
                 <InputGroupText>Line 1, Column 1</InputGroupText>
                 <InputGroupButton
                   variant="default"
@@ -80,129 +88,186 @@ export function useItemsColumns(): ColumnDef<InvoiceItemFormData>[] {
                   <span className="sr-only">Send</span>
                 </InputGroupButton>
               </InputGroupAddon>*/}
-            </InputGroup>
-
-          )}
-        />
-      ),
-      enableSorting: false,
-      size: 480, minSize: 240, maxSize: 768,
-    },
-    {
-      accessorKey: "quantity",
-      header: ({ column }) => (
-        <DataTableColumnHeader column={column} title={t("form_fields.item.quantity.label")} className='text-right' />
-      ),
-      cell: ({ row }) => (
-        <QuantityInputField
-          control={control}
-          name={`items.${row.index}.quantity`}
-          readOnly={readOnly}
-          inputId={`qty-${row.original.id}`}
-          emptyMode="blank"
-          data-row-index={row.index}
-          data-col-index={4}
-          data-cell-focus
-          className="font-base"
-        />
-      ),
-      enableSorting: false,
-      size: 52, minSize: 48, maxSize: 64,
-    },
-    {
-      accessorKey: "unit_amount",
-      header: ({ column }) => (
-        <DataTableColumnHeader column={column} title={t("form_fields.item.unit_amount.label")} className='text-right' />
-      ),
-      cell: ({ row }) => (
-        <AmountInputField
-          control={control}
-          name={`items.${row.index}.unit_amount`}
-          readOnly={readOnly}
-          inputId={`unit-${row.original.id}`}
-          scale={4}
-          currencyCode={currency_code}
-          languageCode={language_code}
-          data-row-index={row.index}
-          data-col-index={5}
-          data-cell-focus
-          className="font-base"
-        />
-      ),
-      enableSorting: false,
-      size: 120, minSize: 100, maxSize: 160,
-    },
-    {
-      accessorKey: "discount_percentage",
-      header: ({ column }) => (
-        <DataTableColumnHeader column={column} title={t("form_fields.item.discount_percentage.label")} className='text-right' />
-      ),
-      cell: ({ row }) => (
-        <PercentageInputField
-          control={control}
-          name={`items.${row.index}.discount_percentage`}
-          readOnly={readOnly}
-          inputId={`disc-${row.original.id}`}
-          scale={4}
-          data-row-index={row.index}
-          data-col-index={6}
-          data-cell-focus
-          className="font-base"
-        />
-      ),
-      enableSorting: false,
-      size: 40, minSize: 40
-    },
-    {
-      accessorKey: "tax_codes",
-      header: ({ column }) => (
-        <DataTableColumnHeader column={column} title={t("form_fields.item.tax_codes.label")} />
-      ),
-      cell: ({ row }) => (
-        <Controller
-          control={control}
-          name={`items.${row.index}.tax_codes`}
-          render={({ field }) => (
-            <CustomerInvoiceTaxesMultiSelect
-              {...field}
-              inputId={`tax-${row.original.id}`}
-              data-row-index={row.index}
-              data-col-index={7}
-              data-cell-focus
-            />
-          )}
-        />
-      ),
-      enableSorting: false,
-      size: 240, minSize: 232, maxSize: 320,
-    },
-    {
-      accessorKey: "total_amount",
-      header: ({ column }) => (
-        <DataTableColumnHeader column={column} title={t("form_fields.item.total_amount.label")} className='text-right' />
-      ),
-      cell: ({ row }) => (
-        <HoverCardTotalsSummary rowIndex={row.index}>
+              </InputGroup>
+            )}
+          />
+        ),
+        enableSorting: false,
+        size: 480,
+        minSize: 240,
+        maxSize: 768,
+      },
+      {
+        accessorKey: "quantity",
+        header: ({ column }) => (
+          <DataTableColumnHeader
+            column={column}
+            title={t("form_fields.item.quantity.label")}
+            className='text-right'
+          />
+        ),
+        cell: ({ row }) => (
+          <QuantityInputField
+            control={control}
+            name={`items.${row.index}.quantity`}
+            readOnly={readOnly}
+            inputId={`qty-${row.original.id}`}
+            emptyMode='blank'
+            data-row-index={row.index}
+            data-col-index={4}
+            data-cell-focus
+            className='font-base'
+          />
+        ),
+        enableSorting: false,
+        size: 52,
+        minSize: 48,
+        maxSize: 64,
+      },
+      {
+        accessorKey: "unit_amount",
+        header: ({ column }) => (
+          <DataTableColumnHeader
+            column={column}
+            title={t("form_fields.item.unit_amount.label")}
+            className='text-right'
+          />
+        ),
+        cell: ({ row }) => (
           <AmountInputField
             control={control}
-            name={`items.${row.index}.total_amount`}
-            readOnly
-            inputId={`total-${row.original.id}`}
+            name={`items.${row.index}.unit_amount`}
+            readOnly={readOnly}
+            inputId={`unit-${row.original.id}`}
+            scale={4}
             currencyCode={currency_code}
             languageCode={language_code}
-            className="font-semibold"
+            data-row-index={row.index}
+            data-col-index={5}
+            data-cell-focus
+            className='font-base'
           />
-        </HoverCardTotalsSummary>
-      ),
-      enableSorting: false,
-      size: 120, minSize: 100, maxSize: 160,
-    },
-    {
-      id: "actions",
-      header: ({ column }) => (
-        <DataTableColumnHeader column={column} title={t("components.datatable.actions")} />
-      ),
-      cell: ({ row, table }) => <ItemDataTableRowActions row={row} table={table} />,
-    },
-  ], [t, readOnly, control, currency_code, language_code,]);
+        ),
+        enableSorting: false,
+        size: 120,
+        minSize: 100,
+        maxSize: 160,
+      },
+      {
+        accessorKey: "discount_percentage",
+        header: ({ column }) => (
+          <DataTableColumnHeader
+            column={column}
+            title={t("form_fields.item.discount_percentage.label")}
+            className='text-right'
+          />
+        ),
+        cell: ({ row }) => (
+          <PercentageInputField
+            control={control}
+            name={`items.${row.index}.discount_percentage`}
+            readOnly={readOnly}
+            inputId={`disc-${row.original.id}`}
+            scale={4}
+            data-row-index={row.index}
+            data-col-index={6}
+            data-cell-focus
+            className='font-base'
+          />
+        ),
+        enableSorting: false,
+        size: 40,
+        minSize: 40,
+      },
+      {
+        accessorKey: "taxable_amount",
+        header: ({ column }) => (
+          <DataTableColumnHeader
+            column={column}
+            title={t("form_fields.item.taxable_amount.label")}
+            className='text-right'
+          />
+        ),
+        cell: ({ row }) => (
+          <AmountInputField
+            control={control}
+            name={`items.${row.index}.taxable_amount`}
+            readOnly={readOnly}
+            inputId={`unit-${row.original.id}`}
+            scale={4}
+            currencyCode={currency_code}
+            languageCode={language_code}
+            data-row-index={row.index}
+            data-col-index={5}
+            data-cell-focus
+            className='font-base'
+          />
+        ),
+        enableSorting: false,
+        size: 120,
+        minSize: 100,
+        maxSize: 160,
+      },
+      {
+        accessorKey: "tax_codes",
+        header: ({ column }) => (
+          <DataTableColumnHeader column={column} title={t("form_fields.item.tax_codes.label")} />
+        ),
+        cell: ({ row }) => (
+          <Controller
+            control={control}
+            name={`items.${row.index}.tax_codes`}
+            render={({ field }) => (
+              <CustomerInvoiceTaxesMultiSelect
+                {...field}
+                inputId={`tax-${row.original.id}`}
+                data-row-index={row.index}
+                data-col-index={7}
+                data-cell-focus
+              />
+            )}
+          />
+        ),
+        enableSorting: false,
+        size: 120,
+        minSize: 130,
+        maxSize: 180,
+      },
+      {
+        accessorKey: "total_amount",
+        header: ({ column }) => (
+          <DataTableColumnHeader
+            column={column}
+            title={t("form_fields.item.total_amount.label")}
+            className='text-right'
+          />
+        ),
+        cell: ({ row }) => (
+          <HoverCardTotalsSummary rowIndex={row.index}>
+            <AmountInputField
+              control={control}
+              name={`items.${row.index}.total_amount`}
+              readOnly
+              inputId={`total-${row.original.id}`}
+              currencyCode={currency_code}
+              languageCode={language_code}
+              className='font-semibold'
+            />
+          </HoverCardTotalsSummary>
+        ),
+        enableSorting: false,
+        size: 120,
+        minSize: 100,
+        maxSize: 160,
+      },
+      {
+        id: "actions",
+        header: ({ column }) => (
+          <DataTableColumnHeader column={column} title={t("components.datatable.actions")} />
+        ),
+        cell: ({ row, table }) => <ItemDataTableRowActions row={row} table={table} />,
+      },
+    ],
+    [t, readOnly, control, currency_code, language_code]
+  );
 }

modules/customers/src/api/infrastructure/express/controllers/create-customer.controller.ts

@@ -1,10 +1,13 @@
-import { ExpressController, authGuard, forbidQueryFieldGuard, tenantGuard } from "@erp/core/api";
+import { authGuard, ExpressController, forbidQueryFieldGuard, tenantGuard } from "@erp/core/api";
 import { CreateCustomerRequestDTO } from "../../../../common/dto";
 import { CreateCustomerUseCase } from "../../../application";
+import { customersApiErrorMapper } from "../customer-api-error-mapper";
 
 export class CreateCustomerController extends ExpressController {
   public constructor(private readonly useCase: CreateCustomerUseCase) {
     super();
+    this.errorMapper = customersApiErrorMapper;
+
     // 🔐 Reutiliza guards de auth/tenant y prohíbe 'companyId' en query
     this.registerGuards(authGuard(), tenantGuard(), forbidQueryFieldGuard("companyId"));
   }

modules/customers/src/api/infrastructure/express/controllers/delete-customer.controller.ts

@@ -1,9 +1,12 @@
-import { ExpressController, authGuard, forbidQueryFieldGuard, tenantGuard } from "@erp/core/api";
+import { authGuard, ExpressController, forbidQueryFieldGuard, tenantGuard } from "@erp/core/api";
 import { DeleteCustomerUseCase } from "../../../application";
+import { customersApiErrorMapper } from "../customer-api-error-mapper";
 
 export class DeleteCustomerController extends ExpressController {
   public constructor(private readonly useCase: DeleteCustomerUseCase) {
     super();
+    this.errorMapper = customersApiErrorMapper;
+
     // 🔐 Reutiliza guards de auth/tenant y prohíbe 'companyId' en query
     this.registerGuards(authGuard(), tenantGuard(), forbidQueryFieldGuard("companyId"));
   }

modules/customers/src/api/infrastructure/express/controllers/get-customer.controller.ts

@@ -1,9 +1,12 @@
-import { ExpressController, authGuard, forbidQueryFieldGuard, tenantGuard } from "@erp/core/api";
+import { authGuard, ExpressController, forbidQueryFieldGuard, tenantGuard } from "@erp/core/api";
 import { GetCustomerUseCase } from "../../../application";
+import { customersApiErrorMapper } from "../customer-api-error-mapper";
 
 export class GetCustomerController extends ExpressController {
   public constructor(private readonly useCase: GetCustomerUseCase) {
     super();
+    this.errorMapper = customersApiErrorMapper;
+
     // 🔐 Reutiliza guards de auth/tenant y prohíbe 'companyId' en query
     this.registerGuards(authGuard(), tenantGuard(), forbidQueryFieldGuard("companyId"));
   }

modules/customers/src/api/infrastructure/express/controllers/list-customers.controller.ts

@@ -1,10 +1,13 @@
 import { authGuard, ExpressController, forbidQueryFieldGuard, tenantGuard } from "@erp/core/api";
 import { Criteria } from "@repo/rdx-criteria/server";
 import { ListCustomersUseCase } from "../../../application";
+import { customersApiErrorMapper } from "../customer-api-error-mapper";
 
 export class ListCustomersController extends ExpressController {
   public constructor(private readonly listCustomers: ListCustomersUseCase) {
     super();
+    this.errorMapper = customersApiErrorMapper;
+
     // 🔐 Reutiliza guards de auth/tenant y prohíbe 'companyId' en query
     this.registerGuards(authGuard(), tenantGuard(), forbidQueryFieldGuard("companyId"));
   }

modules/customers/src/api/infrastructure/express/controllers/update-customer.controller.ts

@@ -1,10 +1,13 @@
-import { ExpressController, authGuard, forbidQueryFieldGuard, tenantGuard } from "@erp/core/api";
+import { authGuard, ExpressController, forbidQueryFieldGuard, tenantGuard } from "@erp/core/api";
 import { UpdateCustomerByIdRequestDTO } from "../../../../common/dto";
 import { UpdateCustomerUseCase } from "../../../application";
+import { customersApiErrorMapper } from "../customer-api-error-mapper";
 
 export class UpdateCustomerController extends ExpressController {
   public constructor(private readonly useCase: UpdateCustomerUseCase) {
     super();
+    this.errorMapper = customersApiErrorMapper;
+
     // 🔐 Reutiliza guards de auth/tenant y prohíbe 'companyId' en query
     this.registerGuards(authGuard(), tenantGuard(), forbidQueryFieldGuard("companyId"));
   }

modules/customers/src/api/infrastructure/express/customer-api-error-mapper.ts

@@ -1,4 +1,4 @@
-import { ApiErrorMapper, ConflictApiError, ErrorToApiRule } from "@erp/core/api";
+import { ApiErrorMapper, ErrorToApiRule, NotFoundApiError } from "@erp/core/api";
 import { CustomerNotFoundError, isCustomerNotFoundError } from "../../domain";
 
 // Crea una regla específica (prioridad alta para sobreescribir mensajes)
@@ -6,7 +6,7 @@ const customerNotFoundRule: ErrorToApiRule = {
   priority: 120,
   matches: (e) => isCustomerNotFoundError(e),
   build: (e) =>
-    new ConflictApiError(
+    new NotFoundApiError(
       (e as CustomerNotFoundError).message || "Customer with the provided id not exists."
     ),
 };