Lessa Billing SDK

SDK oficial para la API de facturación electrónica de Lessa Billing. Simplifica la integración con el sistema de facturación electrónica ecuatoriano, proporcionando una interfaz TypeScript/JavaScript fácil de usar.

🚀 Características

• ✅ Facturación electrónica completa - Emisión, firma y envío de facturas
• ✅ Facturación por lotes - Procesamiento masivo de facturas
• ✅ Gestión de compañías y clientes - CRUD completo
• ✅ Firmas electrónicas - Gestión de certificados digitales
• ✅ Reportes y PDFs - Generación de documentos
• ✅ Validaciones ecuatorianas - RUC, cédula, secuenciales
• ✅ TypeScript nativo - Tipado completo y autocompletado
• ✅ Múltiples ambientes - Producción, pruebas y desarrollo

📦 Instalación

npm install lessa-billing-sdk

yarn add lessa-billing-sdk

pnpm add lessa-billing-sdk

🔧 Configuración

Inicialización básica

import { LessaBillingSDK } from "lessa-billing-sdk";

// Ambiente de pruebas (por defecto)
const sdk = new LessaBillingSDK("TU_API_KEY");

// Ambiente específico
const sdk = new LessaBillingSDK("TU_API_KEY", {
  environment: "Production", // 'Production' | 'Test' | 'Development'
});

Ambientes disponibles

📖 Guía de uso

Facturación simple

import {
  LessaBillingSDK,
  PAYMENT_METHOD_WITHOUT_USING_FINANCIAL_SYSTEM,
} from "lessa-billing-sdk";

const sdk = new LessaBillingSDK("TU_API_KEY", { environment: "Test" });

const invoiceData = {
  clientOnCompanyId: "0401869691_0401869691001",
  paymentMethodCode: PAYMENT_METHOD_WITHOUT_USING_FINANCIAL_SYSTEM.code,
  details: [
    {
      code: "001",
      stubCode: "A001",
      description: "Producto o servicio",
      discount: 0,
      quantity: 1,
      unitPrice: 100,
      taxes: ["iva:15"],
      AdditionalDetails: [
        { name: "Detalle extra", value: "Información adicional" },
      ],
    },
  ],
};

try {
  const invoice = await sdk.billing.invoice(
    "ruc_empresa",
    "codigo_establecimiento",
    "punto_emision",
    invoiceData
  );
  console.log("Factura creada:", invoice);
} catch (error) {
  console.error("Error al facturar:", error);
}

Gestión de compañías

// Obtener compañías de un usuario
const companies = await sdk.companies.getUserCompanies("userId");

// Obtener información de una compañía
const company = await sdk.companies.getCompany("1234567890001");

// Crear nueva compañía
const newCompany = await sdk.companies.createCompany({
  ruc: "1234567890001",
  businessName: "Mi Empresa S.A.",
  // ... otros campos
});

Gestión de clientes

// Buscar cliente
const client = await sdk.clients.findClient("0401869691", "1234567890001");

// Actualizar cliente
await sdk.clients.updateClient("0401869691", "1234567890001", {
  name: "Nuevo nombre",
  email: "nuevo@email.com",
});

// Obtener créditos de cliente
const credits = await sdk.clients.getCredits("0401869691", "1234567890001");

Facturación por lotes

const batchData = [
  // Array de facturas
  invoiceData1,
  invoiceData2,
  // ...
];

// Generar lote
const batch = await sdk.batchBilling.generateBatch(
  "ruc",
  "establecimiento",
  "punto_emision",
  batchData
);

// Firmar lote
await sdk.batchBilling.signBatch(batch.billingProcessId);

// Enviar lote
await sdk.batchBilling.sendBatch(batch.billingProcessId);

// Verificar estado
const status = await sdk.batchBilling.checkBatch(batch.billingProcessId);

🛠️ Recursos disponibles

El SDK proporciona acceso a los siguientes recursos:

• sdk.companies - Gestión de compañías
• sdk.clients - Gestión de clientes
• sdk.billing - Facturación individual
• sdk.batchBilling - Facturación por lotes
• sdk.signatures - Gestión de firmas electrónicas
• sdk.invoices - Consulta de facturas
• sdk.reports - Generación de reportes y PDFs
• sdk.people - Validación de personas
• sdk.establishments - Gestión de establecimientos
• sdk.emissionPoints - Gestión de puntos de emisión
• sdk.taxes - Consulta de impuestos

🔍 Utilidades incluidas

El SDK incluye utilidades para validación de datos ecuatorianos:

import {
  validateRuc,
  validateCedula,
  generateAccessKey,
  calculateInvoiceTotals,
} from "lessa-billing-sdk";

// Validar RUC
const isValidRuc = validateRuc("1234567890001");

// Validar cédula
const isValidCedula = validateCedula("0401869691");

// Generar clave de acceso
const accessKey = generateAccessKey({
  issueDate: new Date(),
  receiptType: "01",
  ruc: "1234567890001",
  environment: "1",
  establishment: "001",
  emissionPoint: "001",
  sequential: "000000001",
  numericCode: "12345678",
});

📚 Constantes predefinidas

import {
  PAYMENT_METHOD_WITHOUT_USING_FINANCIAL_SYSTEM,
  IVA_TAX_CODE,
  IVA_PERCENTAGE_CODE_15,
  IVA_FEE_CODE_15,
} from "lessa-billing-sdk";

🐛 Manejo de errores

try {
  const result = await sdk.billing.invoice(ruc, establishment, point, data);
} catch (error) {
  if (error.response) {
    // Error de la API
    console.error("Error de API:", error.response.data);
  } else if (error.request) {
    // Error de red
    console.error("Error de conexión:", error.message);
  } else {
    // Otro error
    console.error("Error:", error.message);
  }
}

📄 Licencia

ISC License - ver LICENSE para más detalles.

🤝 Soporte

Para soporte técnico o consultas:

• Autor: edwindev
• Issues: GitHub Issues

🔄 Changelog

v0.0.46

• Versión actual estable
• Soporte completo para facturación electrónica ecuatoriana

Endpoints

Batch Billing

• POST /billing/batch/invoices/generate/{ruc}/{establishmentCode}/{emissionPointCode}: Generate a batch of invoices.
• POST /billing/batch/invoices/sign/{billingProcessId}: Sign a batch of invoices.
• POST /billing/batch/invoices/send/{billingProcessId}: Send a batch of invoices.
• POST /billing/batch/invoices/check/{billingProcessId}: Check the authorization status of a batch of invoices.
• POST /billing/batch/invoices/{ruc}/{establishmentCode}/{emissionPointCode}: Send a batch of invoices with a timeout of 0.

Billing

• POST /billing/invoice/{ruc}/{establishmentCode}/{emissionPointCode}: Create an invoice.
• POST /billing/invoice/generate/{ruc}/{establishmentCode}/{emissionPoint}: Generate an invoice.
• POST /billing/invoice/sign/{accessKey}: Sign an invoice.
• POST /billing/invoice/send/{accessKey}: Send an invoice.
• POST /billing/invoice/check/{accessKey}: Check the authorization status of an invoice.

Clients

• GET /clients/find/{identificationID}/{rucID}: Find a client in a company.
• PATCH /clients/update/{currentIdentificationID}/{rucID}: Update a client's information.
• GET /credits/{identificationID}/{rucID}: Get a client's credits.
• POST /credits/create/{identificationID}/{rucID}: Create a credit for a client.
• GET /paymentsHistory/find/{creditID}: Get the payment history for a credit.
• POST /paymentHistory/create/{identificationID}/{rucID}: Create a payment for a client.

Companies

• POST /companies/create: Create a new company.
• GET /companies/{ruc}: Get a company by its RUC.
• PATCH /companies/{ruc}: Update a company's information.
• GET /companies/clients/{ruc}: Get a company's clients.
• GET /companies/clients/mapped/{ruc}: Get a company's clients in a mapped format.
• GET /companies/clients/count/{ruc}: Count a company's clients.
• POST /companies/{ruc}/create-person-relation: Create a person-company relationship.
• GET /companies/user/{userId}: Get the companies associated with a user.
• GET /companies/billing-status/{ruc}: Get the billing status of a company.
• POST /companies/create-relation/{rucProvider}/{rucClient}: Create a relationship between two companies.
• PATCH /companies/update-relation/{rucProvider}/{rucClient}: Update a relationship between two companies.
• GET /companies/is-registered/{ruc}: Check if a company is registered.
• GET /companies/{ruc}/establishments-and-emission-points: Get a company's establishments and emission points.
• GET /companies/{userId}/companies-establishments-and-emission-points: Get the establishments and emission points of the companies associated with a user.

Emission Points

• GET /emission-points/establishment/{establishmentId}: Get the emission points of an establishment.
• GET /emission-points/find-one/{ruc}/{establishmentCode}/{emissionPoint}: Get a specific emission point.
• GET /emission-points/find/{ruc}/{establishmentCode}: Get the emission points of an establishment.
• PATCH /emission-points/{emissionPointId}: Update an emission point.

Establishments

• GET /establishments/company/{ruc}: Get the establishments of a company.

Invoices

• GET /invoices/association/{clientOnCompanyId}: Get invoices by association ID.
• GET /invoices/company/{ruc}: Get invoices by company RUC.
• GET /invoices/clientOnCompany/{identificationID}/{rucID}: Get invoices by client and company.

People

• GET /people/find/{identification}: Find a person by their identification.
• GET /people/validate/{identification}: Validate a person's identification.

Reports

• GET /reports/bill/{accessKey}: Get an invoice PDF.

Signatures

• GET /signatures/company/{ruc}: Get the signatures of a company.
• PATCH /signatures/update/{ruc}/{id}: Update a signature.
• POST /signatures/create/{ruc}: Create a signature.
• PATCH /signatures/select/{id}: Select a signature.

Taxes

• GET /taxes: Get a list of taxes.