feat: redondeo en el pie de los documentos de ventas y compras (visible según OADM.RoundMthd) y endpoint /api/company/settings

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

apps/api/src/company/company.controller.ts

@@ -0,0 +1,13 @@
+import { Controller, Get } from '@nestjs/common';
+import { CompanyService } from './company.service.js';
+
+/** Ajustes de la empresa de SAP para la interfaz: cualquier sesión puede consultarlos. */
+@Controller('company')
+export class CompanyController {
+  constructor(private readonly company: CompanyService) {}
+
+  @Get('settings')
+  settings() {
+    return this.company.settings();
+  }
+}

apps/api/src/company/company.service.spec.ts

@@ -0,0 +1,31 @@
+import { vi } from 'vitest';
+import type { SapClientService } from '../sap/sap-client.service.js';
+import { CompanyService } from './company.service.js';
+
+describe('CompanyService', () => {
+  const make = (data: unknown) => {
+    const request = vi.fn(async () => ({ data }));
+    return { service: new CompanyService({ request } as unknown as SapClientService), request };
+  };
+
+  it('entrega solo el redondeo y el separador, sin el resto de la información de la empresa', async () => {
+    const { service, request } = make({ RoundingMethod: 'tYES', AccountSegmentsSeparator: '.', DefaultBankAccount: '192-1153365-0-50' });
+    const settings = await service.settings();
+    expect(settings).toEqual({ roundingEnabled: true, accountSegmentsSeparator: '.' });
+    expect(request).toHaveBeenCalledWith({ method: 'POST', path: 'CompanyService_GetAdminInfo', body: {} });
+  });
+
+  it('sin redondeo ni separador usa los valores por defecto', async () => {
+    const { service } = make({ RoundingMethod: 'tNO', AccountSegmentsSeparator: null });
+    expect(await service.settings()).toEqual({ roundingEnabled: false, accountSegmentsSeparator: '-' });
+  });
+
+  it('recuerda la respuesta un rato y luego la vuelve a pedir', async () => {
+    const { service, request } = make({ RoundingMethod: 'tYES' });
+    await service.settings(1000);
+    await service.settings(1000 + 60_000);
+    expect(request).toHaveBeenCalledTimes(1);
+    await service.settings(1000 + 11 * 60_000);
+    expect(request).toHaveBeenCalledTimes(2);
+  });
+});

apps/api/src/company/company.service.ts

@@ -0,0 +1,33 @@
+import { Injectable } from '@nestjs/common';
+import type { CompanySettings } from '@basic-erp/sap-types';
+import { SapClientService } from '../sap/sap-client.service.js';
+
+/** Cuánto se recuerdan los ajustes de la empresa: cambian casi nunca. */
+const TTL_MS = 10 * 60 * 1000;
+
+interface AdminInfo {
+  RoundingMethod?: string;
+  AccountSegmentsSeparator?: string | null;
+}
+
+/**
+ * Ajustes de la empresa que necesita la interfaz. Se leen de `CompanyService_GetAdminInfo` y solo se entregan los
+ * campos de `CompanySettings`: esa respuesta trae mucho más (cuentas bancarias, carpetas) que no debe salir.
+ */
+@Injectable()
+export class CompanyService {
+  private cached: { at: number; value: CompanySettings } | null = null;
+
+  constructor(private readonly sap: SapClientService) {}
+
+  async settings(now = Date.now()): Promise<CompanySettings> {
+    if (this.cached && now - this.cached.at < TTL_MS) return this.cached.value;
+    const res = await this.sap.request<AdminInfo>({ method: 'POST', path: 'CompanyService_GetAdminInfo', body: {} });
+    const value: CompanySettings = {
+      roundingEnabled: res.data?.RoundingMethod === 'tYES',
+      accountSegmentsSeparator: res.data?.AccountSegmentsSeparator?.trim() || '-',
+    };
+    this.cached = { at: now, value };
+    return value;
+  }
+}

apps/api/src/sl/sl.module.ts

@@ -1,5 +1,7 @@
 import { Module } from '@nestjs/common';
 import { AuditModule } from '../audit/audit.module.js';
+import { CompanyController } from '../company/company.controller.js';
+import { CompanyService } from '../company/company.service.js';
 import { PermissionsModule } from '../permissions/permissions.module.js';
 import { SapModule } from '../sap/sap.module.js';
 import { SlProxyController } from './sl-proxy.controller.js';
@@ -7,7 +9,7 @@ import { SlProxyService } from './sl-proxy.service.js';
 
 @Module({
   imports: [SapModule, PermissionsModule, AuditModule],
-  controllers: [SlProxyController],
-  providers: [SlProxyService],
+  controllers: [SlProxyController, CompanyController],
+  providers: [SlProxyService, CompanyService],
 })
 export class SlModule {}