/// <summary>
/// Actualiza una factura
/// </summary>
/// <param name="customerId">Identificador del cliente</param>
/// <param name="contractId">Identificador del contrato</param>
/// <param name="invoiceNumber">Número de factura</param>
/// <param name="invoice">Factura</param>
/// <returns></returns>
public Task<Invoice> UpdateInvoiceAsync(string customerId, string contractId, string invoiceNumber, Invoice invoice)
{
string url = GetUrl(_invoiceItemResourceUrl, customerId, contractId, invoiceNumber);
return PutAsync<Invoice, Invoice>(url, invoice);
}
/// <summary>
/// Añade un nuevo contrato a un cliente
/// </summary>
/// <param name="customerId">Identificador del cliente</param>
/// <param name="contractId">Identificador del contrato</param>
/// <param name="invoice">Factura</param>
/// <returns></returns>
public Task<Invoice> AddInvoiceAsync(string customerId, string contractId, Invoice invoice)
{
string url = GetUrl(_invoiceCollectionResourceUrl, customerId, contractId);
return PostAsync<Invoice, Invoice>(url, invoice);
}