/// <summary>
        /// Generates Recibos de caja.
        /// </summary>
        /// <param name="items">It is a pair of values</param>
        /// <param name="type">The type of recibo de caja</param>
        /// <returns>True if files were generated succesfully</returns>
        public override bool GenerateFiles(List <Tuple <Factura, Customer> > items, string type, object sender, System.Windows.Controls.TextBlock text)
        {
            for (int i = 0; i < items.Count; ++i)
            {
                //Change current operation description
                base.UpdateCurrentOperationDescription("Proceso iniciado  " + (i + 1) + "/" + items.Count);
                text.Dispatcher.Invoke(delegate
                {
                    text.Text = CurrentOperationDescription;
                });
                string concepto = String.Empty;
                int    ct       = 0;
                foreach (Cargo cargo in items.ElementAt(i).Item1.cargos)
                {
                    concepto += cargo.Concepto.ToString().ToUpper();
                    concepto += new StringBuilder(" ").Append(cargo.MesCargado.ToString().ToUpper());

                    if (!(items.ElementAt(i).Item1.cargos.Count - 1 == ct++))
                    {
                        concepto += "-";
                    }
                }


                using (ExcelPackage xlPackage = new ExcelPackage(new System.IO.FileInfo(@UserPreferences.GetRecibosLocation())))
                {
                    //Change current operation description
                    base.UpdateCurrentOperationDescription("Obteniendo directorio");
                    text.Dispatcher.Invoke(delegate
                    {
                        text.Text = CurrentOperationDescription;
                    });

                    StringBuilder DirectoryLocation = new StringBuilder(UserPreferences.GetPreferredLocation()).Append(@"\").Append(type);
                    var           directoryInfo     = System.IO.Directory.CreateDirectory(@DirectoryLocation.ToString());

                    //Change Current Operation Description
                    base.UpdateCurrentOperationDescription("Generando nombres de archivo");
                    text.Dispatcher.Invoke(delegate
                    {
                        text.Text = CurrentOperationDescription;
                    });

                    StringBuilder FileLocationXlsx = new StringBuilder(directoryInfo.FullName).Append(@"\").Append(items.ElementAt(i).Item1.NumeroFactura).Append(FileExtensions.ExcelFormat);
                    StringBuilder FileLocationPDF  = new StringBuilder(directoryInfo.FullName).Append(@"\").Append(items.ElementAt(i).Item1.NumeroFactura).Append(FileExtensions.PDFFormat);

                    try
                    {
                        var worksheet    = xlPackage.Workbook.Worksheets.First();
                        var totalRows    = worksheet.Dimension.End.Row;
                        var totalColumns = worksheet.Dimension.End.Column;

                        //Change Current Operation Description
                        base.UpdateCurrentOperationDescription("Escaneando plantilla");
                        text.Dispatcher.Invoke(delegate
                        {
                            text.Text = CurrentOperationDescription;
                        });

                        int count = 0;
                        for (int rowNum = 1; rowNum <= totalRows; ++rowNum)
                        {
                            for (int colNum = 1; colNum <= totalColumns; ++colNum)
                            {
                                var    row       = worksheet.Cells[rowNum, colNum].Select(c => c.Value == null ? String.Empty : c.Value.ToString());
                                string cellValue = String.Join(",", row);

                                if (cellValue == RecibosKeyWords.NUMERORECIBO)
                                {
                                    int numero_recibo = UserPreferences.GetNumeroRecibo();
                                    worksheet.Cells[rowNum, colNum].Value = new StringBuilder("#").Append(numero_recibo).ToString();
                                    UserPreferences.SaveNumeroRecibo(++numero_recibo);
                                }
                                if (cellValue == RecibosKeyWords.NOMBRES)
                                {
                                    worksheet.Cells[rowNum, colNum].Value = new StringBuilder(items.ElementAt(i).Item2.Nombre).Append(" ").Append(items.ElementAt(i).Item2.Apellido).ToString();
                                }
                                if (cellValue == RecibosKeyWords.FECHA)
                                {
                                    worksheet.Cells[rowNum, colNum].Value = DateManager.GetDateInSpanish();
                                }
                                if (cellValue == RecibosKeyWords.CEDULA)
                                {
                                    worksheet.Cells[rowNum, colNum].Value = items.ElementAt(i).Item2.Cedula;
                                }
                                if (cellValue == RecibosKeyWords.DIRECCION)
                                {
                                    worksheet.Cells[rowNum, colNum].Value = items.ElementAt(i).Item2.Direccion;
                                }
                                if (cellValue == RecibosKeyWords.BARRIO)
                                {
                                    worksheet.Cells[rowNum, colNum].Value = items.ElementAt(i).Item2.Barrio;
                                }
                                if (cellValue == RecibosKeyWords.CONCEPTO)
                                {
                                    worksheet.Cells[rowNum, colNum].Value = concepto;
                                }
                                if (cellValue == RecibosKeyWords.NODO)
                                {
                                    worksheet.Cells[rowNum, colNum].Value = items.ElementAt(i).Item2.Nodo;
                                }
                                if (cellValue == RecibosKeyWords.TELEFONO)
                                {
                                    worksheet.Cells[rowNum, colNum].Value = items.ElementAt(i).Item2.Telefono;
                                }
                                if (cellValue == RecibosKeyWords.MES)
                                {
                                    worksheet.Cells[rowNum, colNum].Value = DateManager.GetMonthInSpanish();
                                }
                                if (cellValue == RecibosKeyWords.VALOR)
                                {
                                    string valorToDisplay = String.Format(System.Globalization.CultureInfo.CurrentCulture, "{0:C}", Valor);
                                    worksheet.Cells[rowNum, colNum].Value = valorToDisplay;
                                }

                                //Change progress value
                                int newProgress = (int)((((float)(++count) / (float)(totalRows * totalColumns)) * (1.0f / (float)items.Count)) * 100);
                                base.UpdateProgreso(newProgress);
                                (sender as BackgroundWorker).ReportProgress(Progress);
                            }
                        }

                        //Change Current Operation Description
                        base.UpdateCurrentOperationDescription("Generando archivo PDF");
                        text.Dispatcher.Invoke(delegate
                        {
                            text.Text = CurrentOperationDescription;
                        });

                        xlPackage.SaveAs(new System.IO.FileInfo(@FileLocationXlsx.ToString()));
                        Workbook workbook = new Application().Workbooks.Open(@FileLocationXlsx.ToString());
                        workbook.ExportAsFixedFormat(XlFixedFormatType.xlTypePDF, @FileLocationPDF.ToString());
                        workbook.Close();
                    }
                    catch (Exception)
                    {
                        RollBack(FileLocationXlsx.ToString(), FileLocationPDF.ToString());
                        throw;
                    }
                    finally
                    {
                        File.Delete(@FileLocationXlsx.ToString());
                    }
                }
            }
            base.UpdateProgreso(100);

            (sender as BackgroundWorker).ReportProgress(Progress);
            return(true);
        }
        /// <summary>
        /// Creates a single invoice
        /// </summary>
        /// <param name="customer">Customer associated with the invoice</param>
        /// <returns>A invoice object</returns>
        private Factura CreateInvoice(Customer customer)
        {
            StringBuilder numeroFactura = new StringBuilder(customer.Cedula).Append("-").Append(TypeOfRecibos.MENSUALIDAD).Append("-").Append(DateManager.GetMonthInSpanish()).Append("-").Append(DateManager.GetToday().Year);
            DateTime      fecha         = DateManager.GetToday();
            Mes           mesCargado    = DateManager.GetMonth();
            DateTime      fechaLimite;
            List <Cargo>  cargos = new List <Cargo>();

            if (customer.HasTV && customer.HasInternet)
            {
                fechaLimite = DateManager.GetDateLimit(false);
                if (customer.EstadoTV == Estado.Pendiente || customer.EstadoInternet == Estado.Pendiente)
                {
                    return(null);
                }
                else
                {
                    //No pending
                    int internet = 0, tv = 0;
                    switch (customer.Megas)
                    {
                    case 3:
                        (tv, internet) = UserPreferences.GetCombo3();
                        break;

                    case 5:
                        (tv, internet) = UserPreferences.GetCombo5();
                        break;

                    case 7:
                        (tv, internet) = UserPreferences.GetCombo7();
                        break;

                    case 10:
                        (tv, internet) = UserPreferences.GetCombo10();
                        break;
                    }

                    internet -= customer.Descuento;

                    if (IncompleteCharge(customer.FechaAfiliacionInternet))
                    {
                        Calculadora.CalcularPrecioRealBasadoEnDias(ref internet, 30 - DateManager.GetToday().Day);
                    }

                    if (IncompleteCharge(customer.FechaAfiliacionTV))
                    {
                        if (DateManager.GetToday().Day < 16)
                        {
                            Calculadora.CalcularPrecioRealBasadoEnDias(ref tv, 30 - DateManager.GetToday().Day);
                        }
                        else
                        {
                            tv = 0;
                        }
                    }

                    Cargo cargoTV       = new Cargo(tv, 0, Concepto.TV);
                    Cargo cargoInternet = new Cargo(internet, 0, Concepto.Internet);

                    cargos.Add(cargoTV);
                    cargos.Add(cargoInternet);

                    AddPreviousCharges(customer.Cedula, cargos);
                    return(new Factura(numeroFactura.ToString(), fecha, fechaLimite, mesCargado, cargos, customer.Cedula));
                }
            }
            else if (customer.HasInternet)
            {
                if (customer.EstadoInternet == Estado.Pendiente)
                {
                    return(null);
                }


                fechaLimite = DateManager.GetDateLimit(false);
                int internet = 0;

                switch (customer.Megas)
                {
                case 3:
                    internet = UserPreferences.Get3MegasValue();
                    break;

                case 5:
                    internet = UserPreferences.Get5MegasValue();
                    break;

                case 7:
                    internet = UserPreferences.Get7MegasValue();
                    break;

                case 10:
                    internet = UserPreferences.Get10MegasValue();
                    break;
                }
                internet -= customer.Descuento;

                if (IncompleteCharge(customer.FechaAfiliacionInternet))
                {
                    Calculadora.CalcularPrecioRealBasadoEnDias(ref internet, 30 - DateManager.GetToday().Day);
                }

                Cargo cargoInternet = new Cargo(internet, 0, Concepto.Internet);

                cargos.Add(cargoInternet);

                AddPreviousCharges(customer.Cedula, cargos);
                return(new Factura(numeroFactura.ToString(), fecha, fechaLimite, mesCargado, cargos, customer.Cedula));
            }
            else if (customer.HasTV)
            {
                if (customer.EstadoTV == Estado.Pendiente)
                {
                    return(null);
                }

                fechaLimite = DateManager.GetDateLimit(true);

                int tv = UserPreferences.GetTVValue();

                if (IncompleteCharge(customer.FechaAfiliacionTV))
                {
                    if (DateManager.GetToday().Day < 16)
                    {
                        Calculadora.CalcularPrecioRealBasadoEnDias(ref tv, 30 - DateManager.GetToday().Day);
                    }
                    else
                    {
                        tv = 0;
                    }
                }

                Cargo cargoTV = new Cargo(tv, 0, Concepto.TV);

                cargos.Add(cargoTV);

                AddPreviousCharges(customer.Cedula, cargos);
                return(new Factura(numeroFactura.ToString(), fecha, fechaLimite, mesCargado, cargos, customer.Cedula));
            }
            else
            {
                if (customer.Saldo == 0)
                {
                    return(null);
                }
                //If program hits this part, it means customer has no services but it owes money
                fechaLimite = DateManager.GetDateLimit(true);
            }
            //Get previous charges
            AddPreviousCharges(customer.Cedula, cargos);
            return(new Factura(numeroFactura.ToString(), fecha, fechaLimite, mesCargado, cargos, customer.Cedula));
        }
        /// <summary>
        /// Creates a customer based on input data
        /// </summary>
        private void CreateCustomer()
        {
            String   cedula, nombre, apellido, telefono, celular, correo, direccion, barrio, mac, precinto;
            int      nodo, megas, saldo, descuento;
            bool     internet, tv;
            DateTime?fechaAfiliacionTv, fechaAfiliacionInternet;
            Estado   estadoTv, estadoInternet;

            cedula    = this.CedulaText.Text != string.Empty ? this.CedulaText.Text.Trim() : null;
            nombre    = this.NombresText.Text != String.Empty ? this.NombresText.Text.Trim() : null;
            apellido  = this.ApellidosText.Text != String.Empty ? this.ApellidosText.Text.Trim() : null;
            telefono  = this.TelefonoText.Text != String.Empty ? this.TelefonoText.Text.Trim() : null;
            celular   = this.CelularText.Text != String.Empty ? this.CelularText.Text.Trim() : null;
            correo    = this.CorreoText.Text != String.Empty ? this.CorreoText.Text.Trim() : null;
            direccion = this.DireccionText.Text != String.Empty ? this.DireccionText.Text.Trim() : null;
            barrio    = this.BarrioBox.Text != String.Empty ? this.BarrioBox.Text : null;
            mac       = this.MACText.Text != String.Empty ? this.MACText.Text.Trim() : null;
            precinto  = this.PrecintoText.Text != String.Empty ? this.PrecintoText.Text.Trim() : null;
            nodo      = Int32.TryParse(this.NodoBox.Text.Trim(), out nodo) ? nodo : -1;
            megas     = Int32.TryParse(this.MegasBox.Text.Trim(), out megas) ? megas : -1;
            descuento = Int32.TryParse(this.DescuentoText.Text.Trim(), out descuento) ? descuento : 0;
            internet  = this.InternetRadioButton.IsChecked ?? false;
            tv        = this.TelevisionRadioButton.IsChecked ?? false;

            fechaAfiliacionTv       = null;
            fechaAfiliacionInternet = null;

            estadoTv       = Estado.Pendiente;
            estadoInternet = Estado.Pendiente;

            saldo = 0;

            if (cedula == null)
            {
                SystemSounds.Beep.Play();
                MessageBox.Show(Messages.InputRequirements.CedulaIsAMandatoryField, Messages.Titles.Warninig, MessageBoxButton.OK, MessageBoxImage.Warning);
                return;
            }

            if (nombre == null)
            {
                SystemSounds.Beep.Play();
                MessageBox.Show(Messages.InputRequirements.NombreIsAMandatoryField, Messages.Titles.Warninig, MessageBoxButton.OK, MessageBoxImage.Warning);
                return;
            }

            if (apellido == null)
            {
                SystemSounds.Beep.Play();
                MessageBox.Show(Messages.InputRequirements.ApellidoIsAMandatoryField, Messages.Titles.Warninig, MessageBoxButton.OK, MessageBoxImage.Warning);
                return;
            }

            if (direccion == null)
            {
                SystemSounds.Beep.Play();
                MessageBox.Show(Messages.InputRequirements.DireccionIsAMandatoryField, Messages.Titles.Warninig, MessageBoxButton.OK, MessageBoxImage.Warning);
                return;
            }

            if (barrio == null)
            {
                SystemSounds.Beep.Play();
                MessageBox.Show(Messages.InputRequirements.BarrioIsAMandatoryField, Messages.Titles.Warninig, MessageBoxButton.OK, MessageBoxImage.Warning);
                return;
            }

            if (nodo == -1)
            {
                SystemSounds.Beep.Play();
                MessageBox.Show(Messages.InputRequirements.NodoIsAMandatoryField, Messages.Titles.Warninig, MessageBoxButton.OK, MessageBoxImage.Warning);
                return;
            }

            if (megas == -1)
            {
                SystemSounds.Beep.Play();
                MessageBox.Show(Messages.InputRequirements.MegasIsAMandatoryField, Messages.Titles.Warninig, MessageBoxButton.OK, MessageBoxImage.Warning);
                return;
            }


            if (!(internet || tv))
            {
                SystemSounds.Beep.Play();
                MessageBox.Show(Messages.InputRequirements.AtLeastOneServiceMustBeProvided, Messages.Titles.Warninig, MessageBoxButton.OK, MessageBoxImage.Warning);
                return;
            }

            if (megas != 0 && !internet)
            {
                SystemSounds.Beep.Play();
                MessageBox.Show(Messages.InputRequirements.MegasOnlyApplyForInternetService, Messages.Titles.Warninig, MessageBoxButton.OK, MessageBoxImage.Warning);
                return;
            }


            Customer      customer      = new Customer(cedula, nombre, apellido, telefono, celular, correo, direccion, barrio, mac, precinto, nodo, megas, saldo, descuento, tv, internet, fechaAfiliacionTv, fechaAfiliacionInternet, estadoTv, estadoInternet);
            StringBuilder numeroFactura = new StringBuilder(cedula).Append("-").Append(TypeOfRecibos.AFILIACION).Append("-").Append(DateManager.GetDateInSpanish());
            List <Cargo>  cargos        = new List <Cargo>();
            Cargo         cargo         = new Cargo(UserPreferences.GetAfiliacionValue(), UserPreferences.GetAfiliacionValue(), Concepto.Afiliacion);

            cargos.Add(cargo);
            Factura factura = new Factura(numeroFactura.ToString(), DateManager.GetToday(), null, null, cargos, customer.Cedula);

            RecibosManager                    RecibosManager = new RecibosManager();
            Tuple <Factura, Customer>         pair           = new Tuple <Factura, Customer>(factura, customer);
            List <Tuple <Factura, Customer> > info           = new List <Tuple <Factura, Customer> >();

            info.Add(pair);
            try
            {
                RecibosManager.Valor = cargo.Valor;
                LoadingWindow loadingWindow = new LoadingWindow();
                loadingWindow.Show();
                loadingWindow.StartWorking((object sender, DoWorkEventArgs e) => {
                    RecibosManager.GenerateFiles(info, TypeOfRecibos.AFILIACION, sender, loadingWindow.Status);

                    try
                    {
                        if (BDManager.CreateCustomerWithInitialFinancialInformation(customer, factura, cargo))
                        {
                            this.Dispatcher.Invoke(delegate
                            {
                                loadingWindow.Hide();
                                SystemSounds.Beep.Play();
                                MessageBox.Show(Messages.SuccesfulOperation.customerWasSuccesfullyCreated, Messages.Titles.Success, MessageBoxButton.OK, MessageBoxImage.Information);
                                Clean();
                            });
                        }
                    }
                    catch (MySqlException ex)
                    {
                        if (ex.Number == (int)MySqlErrorCode.DuplicateKeyEntry)
                        {
                            this.Dispatcher.Invoke(delegate
                            {
                                loadingWindow.Hide();
                                SystemSounds.Beep.Play();
                                MessageBox.Show(Messages.Errors.CustomerAlreadyExists, Messages.Titles.Warninig, MessageBoxButton.OK, MessageBoxImage.Warning);
                            });
                        }
                        else if (ex.Number == (int)MySqlErrorCode.DataTooLong)
                        {
                            this.Dispatcher.Invoke(delegate
                            {
                                loadingWindow.Hide();
                                SystemSounds.Beep.Play();
                                MessageBox.Show("Uno de los campos no es valido. La informacion es demasiado larga!", Messages.Titles.Warninig, MessageBoxButton.OK, MessageBoxImage.Warning);
                            });
                        }
                        else
                        {
                            this.Dispatcher.Invoke(delegate
                            {
                                loadingWindow.Hide();
                                SystemSounds.Beep.Play();
                                MessageBox.Show(Messages.Errors.setErrorCodeMessage(ex.Number.ToString()), Messages.Titles.Alert, MessageBoxButton.OK, MessageBoxImage.Error);
                            });
                        }
                    }
                }
                                           );
            }
            catch (Exception)
            {
                this.Dispatcher.Invoke(delegate
                {
                    SystemSounds.Beep.Play();
                    MessageBox.Show(Messages.Errors.CouldntReadFile, Messages.Titles.Warninig, MessageBoxButton.OK, MessageBoxImage.Warning);
                });
            }
        }
Example #4
0
        /// <summary>
        /// Adds a traslado to a customer
        /// </summary>
        private void AddTraslado()
        {
            Customer     customer = this.ListViewCustomers.SelectedItem as Customer;
            List <Cargo> cargos   = new List <Cargo>();

            SystemSounds.Beep.Play();
            var r = MessageBox.Show("¿Esta seguro de que desea generar un traslado para el cliente con cedula " + customer.Cedula + " ?", "Informacion", MessageBoxButton.YesNo, MessageBoxImage.Question);

            if ((r == MessageBoxResult.Yes))
            {
                string numeroFactura  = new StringBuilder(customer.Cedula).Append("-").Append(TypeOfRecibos.TRASLADO).Append("-").Append(DateManager.GetDateInSpanish()).ToString();
                int    traslado_value = UserPreferences.GetTrasladoValue();
                Cargo  cargo          = new Cargo(traslado_value, traslado_value, Concepto.Traslado);
                cargos.Add(cargo);
                Factura factura = new Factura(numeroFactura, DateManager.GetToday(), null, null, cargos, customer.Cedula);

                RecibosManager                    recibosManager = new RecibosManager();
                Tuple <Factura, Customer>         pair           = new Tuple <Factura, Customer>(factura, customer);
                List <Tuple <Factura, Customer> > info           = new List <Tuple <Factura, Customer> >();
                info.Add(pair);


                try
                {
                    recibosManager.Valor = cargo.Valor;
                    LoadingWindow loadingWindow = new LoadingWindow();
                    loadingWindow.Show();
                    loadingWindow.StartWorking((object sender, DoWorkEventArgs e) =>
                    {
                        recibosManager.GenerateFiles(info, TypeOfRecibos.TRASLADO, sender, loadingWindow.Status);

                        try
                        {
                            if (BDManager.AddChargeSimple(factura))
                            {
                                this.Dispatcher.Invoke(delegate
                                {
                                    loadingWindow.Hide();
                                    SystemSounds.Beep.Play();
                                    MessageBox.Show("Traslado generado exitosamente!", Messages.Titles.Success, MessageBoxButton.OK, MessageBoxImage.Information);
                                });
                            }
                        }
                        catch (MySqlException ex)
                        {
                            this.Dispatcher.Invoke(delegate {
                                loadingWindow.Hide();
                                SystemSounds.Beep.Play();
                                MessageBox.Show(Messages.Errors.setErrorCodeMessage(ex.Number.ToString()), Messages.Titles.Alert, MessageBoxButton.OK, MessageBoxImage.Error);
                            });
                        }
                        catch (Exception ex)
                        {
                            this.Dispatcher.Invoke(delegate {
                                loadingWindow.Hide();
                                SystemSounds.Beep.Play();
                                MessageBox.Show(ex.Message, Messages.Titles.Alert, MessageBoxButton.OK, MessageBoxImage.Error);
                            });
                        }
                    }
                                               );
                }
                catch (Exception)
                {
                    this.Dispatcher.Invoke(delegate
                    {
                        SystemSounds.Beep.Play();
                        MessageBox.Show(Messages.Errors.CouldntReadFile, Messages.Titles.Warninig, MessageBoxButton.OK, MessageBoxImage.Warning);
                    });
                }
            }
        }
        /// <summary>
        /// Updates user preferences
        /// </summary>
        /// <param name="userPreference"></param>
        private void UpdatePreferences(EUserPreferences userPreference)
        {
            switch (userPreference)
            {
            case EUserPreferences.TV:
                UserPreferences.SaveTVValue(TVvalue);
                SystemSounds.Beep.Play();
                MessageBox.Show(Messages.SuccesfulOperation.PreferenceWasUpdatedSuccesfully, Messages.Titles.Success, MessageBoxButton.OK, MessageBoxImage.Information);
                return;

            case EUserPreferences.Megas3:
                UserPreferences.Save3MegasValue(Megas3Value);
                SystemSounds.Beep.Play();
                MessageBox.Show(Messages.SuccesfulOperation.PreferenceWasUpdatedSuccesfully, Messages.Titles.Success, MessageBoxButton.OK, MessageBoxImage.Information);
                return;

            case EUserPreferences.Megas5:
                UserPreferences.Save5MegasValue(Megas5Value);
                SystemSounds.Beep.Play();
                MessageBox.Show(Messages.SuccesfulOperation.PreferenceWasUpdatedSuccesfully, Messages.Titles.Success, MessageBoxButton.OK, MessageBoxImage.Information);
                return;

            case EUserPreferences.Megas7:
                UserPreferences.Save7MegasValue(Megas7Value);
                SystemSounds.Beep.Play();
                MessageBox.Show(Messages.SuccesfulOperation.PreferenceWasUpdatedSuccesfully, Messages.Titles.Success, MessageBoxButton.OK, MessageBoxImage.Information);
                return;

            case EUserPreferences.Megas10:
                UserPreferences.Save10MegasValue(Megas10Value);
                SystemSounds.Beep.Play();
                MessageBox.Show(Messages.SuccesfulOperation.PreferenceWasUpdatedSuccesfully, Messages.Titles.Success, MessageBoxButton.OK, MessageBoxImage.Information);
                return;

            case EUserPreferences.Combo3TV:
                UserPreferences.SaveCombo3TV(ComboTV3Value);
                SystemSounds.Beep.Play();
                MessageBox.Show(Messages.SuccesfulOperation.PreferenceWasUpdatedSuccesfully, Messages.Titles.Success, MessageBoxButton.OK, MessageBoxImage.Information);
                return;

            case EUserPreferences.Combo3Internet:
                UserPreferences.SaveCombo3Internet(ComboInternet3Value);
                SystemSounds.Beep.Play();
                MessageBox.Show(Messages.SuccesfulOperation.PreferenceWasUpdatedSuccesfully, Messages.Titles.Success, MessageBoxButton.OK, MessageBoxImage.Information);
                return;

            case EUserPreferences.Combo5TV:
                UserPreferences.SaveCombo5TV(ComboTV5Value);
                SystemSounds.Beep.Play();
                MessageBox.Show(Messages.SuccesfulOperation.PreferenceWasUpdatedSuccesfully, Messages.Titles.Success, MessageBoxButton.OK, MessageBoxImage.Information);
                return;

            case EUserPreferences.Combo5Internet:
                UserPreferences.SaveCombo5Internet(ComboInternet5Value);
                SystemSounds.Beep.Play();
                MessageBox.Show(Messages.SuccesfulOperation.PreferenceWasUpdatedSuccesfully, Messages.Titles.Success, MessageBoxButton.OK, MessageBoxImage.Information);
                return;

            case EUserPreferences.Combo7TV:
                UserPreferences.SaveCombo7TV(ComboTV7Value);
                SystemSounds.Beep.Play();
                MessageBox.Show(Messages.SuccesfulOperation.PreferenceWasUpdatedSuccesfully, Messages.Titles.Success, MessageBoxButton.OK, MessageBoxImage.Information);
                return;

            case EUserPreferences.Combo7Internet:
                UserPreferences.SaveCombo7Internet(ComboInternet7Value);
                SystemSounds.Beep.Play();
                MessageBox.Show(Messages.SuccesfulOperation.PreferenceWasUpdatedSuccesfully, Messages.Titles.Success, MessageBoxButton.OK, MessageBoxImage.Information);
                return;

            case EUserPreferences.Combo10TV:
                UserPreferences.SaveCombo10TV(ComboTV10Value);
                SystemSounds.Beep.Play();
                MessageBox.Show(Messages.SuccesfulOperation.PreferenceWasUpdatedSuccesfully, Messages.Titles.Success, MessageBoxButton.OK, MessageBoxImage.Information);
                return;

            case EUserPreferences.Combo10Internet:
                UserPreferences.SaveCombo10Internet(ComboInternet10Value);
                SystemSounds.Beep.Play();
                MessageBox.Show(Messages.SuccesfulOperation.PreferenceWasUpdatedSuccesfully, Messages.Titles.Success, MessageBoxButton.OK, MessageBoxImage.Information);
                return;

            case EUserPreferences.Reconexion:
                UserPreferences.SaveReconexionValue(ReconexionValue);
                SystemSounds.Beep.Play();
                MessageBox.Show(Messages.SuccesfulOperation.PreferenceWasUpdatedSuccesfully, Messages.Titles.Success, MessageBoxButton.OK, MessageBoxImage.Information);
                return;

            case EUserPreferences.Afiliacion:
                UserPreferences.SaveAfiliacionValue(AfiliacionValue);
                SystemSounds.Beep.Play();
                MessageBox.Show(Messages.SuccesfulOperation.PreferenceWasUpdatedSuccesfully, Messages.Titles.Success, MessageBoxButton.OK, MessageBoxImage.Information);
                return;

            case EUserPreferences.Derivacion:
                UserPreferences.SaveDerivacionValue(DerivacionValue);
                SystemSounds.Beep.Play();
                MessageBox.Show(Messages.SuccesfulOperation.PreferenceWasUpdatedSuccesfully, Messages.Titles.Success, MessageBoxButton.OK, MessageBoxImage.Information);
                return;

            case EUserPreferences.Traslado:
                UserPreferences.SaveTrasladoValue(TrasladoValue);
                SystemSounds.Beep.Play();
                MessageBox.Show(Messages.SuccesfulOperation.PreferenceWasUpdatedSuccesfully, Messages.Titles.Success, MessageBoxButton.OK, MessageBoxImage.Information);
                return;

            case EUserPreferences.Descuento:
                UserPreferences.SaveDescuento(DescuentoValue);
                SystemSounds.Beep.Play();
                MessageBox.Show(Messages.SuccesfulOperation.PreferenceWasUpdatedSuccesfully, Messages.Titles.Success, MessageBoxButton.OK, MessageBoxImage.Information);
                return;

            case EUserPreferences.Recibos:
                UserPreferences.SaveRecibosLocation(RecibosValue);
                SystemSounds.Beep.Play();
                MessageBox.Show(Messages.SuccesfulOperation.PreferenceWasUpdatedSuccesfully, Messages.Titles.Success, MessageBoxButton.OK, MessageBoxImage.Information);
                return;

            case EUserPreferences.Facturas:
                UserPreferences.SaveFacturasLocation(FacturasValue);
                SystemSounds.Beep.Play();
                MessageBox.Show(Messages.SuccesfulOperation.PreferenceWasUpdatedSuccesfully, Messages.Titles.Success, MessageBoxButton.OK, MessageBoxImage.Information);
                return;

            case EUserPreferences.Archivos:
                UserPreferences.SavePreferredLocation(UbicacionValue);
                SystemSounds.Beep.Play();
                MessageBox.Show(Messages.SuccesfulOperation.PreferenceWasUpdatedSuccesfully, Messages.Titles.Success, MessageBoxButton.OK, MessageBoxImage.Information);
                return;

            case EUserPreferences.NumeroRecibo:
                if (IsNumeroReciboValid())
                {
                    UserPreferences.SaveNumeroRecibo(NumeroReciboValue);
                    SystemSounds.Beep.Play();
                    MessageBox.Show(Messages.SuccesfulOperation.PreferenceWasUpdatedSuccesfully, Messages.Titles.Success, MessageBoxButton.OK, MessageBoxImage.Information);
                }
                else
                {
                    SystemSounds.Beep.Play();
                    MessageBox.Show("Valor invalido!", Messages.Titles.Success, MessageBoxButton.OK, MessageBoxImage.Warning);
                }
                return;

            default:
                Debugger.Break();
                return;
            }
        }
        /// <summary>
        /// Searches for files associated with a customer
        /// </summary>
        private void FindFile()
        {
            this.ListViewFiles.Items.Clear();
            this.PDFViewer.Navigate(new Uri(BlankPage));
            string cedula = this.CedulaText.Text.Trim();

            //Mensualidad

            try
            {
                DirectoryInfo dirMensualidad = new DirectoryInfo(new StringBuilder(UserPreferences.GetPreferredLocation()).Append(@"\").Append(TypeOfRecibos.MENSUALIDAD).Append(@"\").ToString());
                if (!(dirMensualidad is null))
                {
                    if (Directory.Exists(dirMensualidad.FullName))
                    {
                        DirectoryInfo[] DirecIndir = dirMensualidad.GetDirectories();

                        foreach (DirectoryInfo foundFolder in DirecIndir)
                        {
                            DirectoryInfo dirPerMes    = new DirectoryInfo(@foundFolder.FullName);
                            FileInfo[]    fileinPerMes = dirPerMes.GetFiles(cedula + "*.pdf");

                            foreach (FileInfo foundFile in fileinPerMes)
                            {
                                this.ListViewFiles.Items.Add(new FileView(foundFile.Name.Replace(FileExtensions.PDFFormat, String.Empty), foundFile.FullName));
                            }
                        }
                    }
                }


                //Pagos


                DirectoryInfo dirPagos = new DirectoryInfo(new StringBuilder(UserPreferences.GetPreferredLocation()).Append(@"\").Append(TypeOfRecibos.PAGO).Append(@"\").ToString());
                if (!(dirPagos is null))
                {
                    if (Directory.Exists(dirPagos.FullName))
                    {
                        FileInfo[] fileinPerPago = dirPagos.GetFiles(cedula + "*.pdf");

                        foreach (FileInfo foundFile in fileinPerPago)
                        {
                            this.ListViewFiles.Items.Add(new FileView(foundFile.Name.Replace(FileExtensions.PDFFormat, String.Empty), foundFile.FullName));
                        }
                    }
                }

                //Afiliaciones

                DirectoryInfo dirAfiliaciones = new DirectoryInfo(new StringBuilder(UserPreferences.GetPreferredLocation()).Append(@"\").Append(TypeOfRecibos.AFILIACION).Append(@"\").ToString());
                if (!(dirAfiliaciones is null))
                {
                    if (Directory.Exists(dirAfiliaciones.FullName))
                    {
                        FileInfo[] fileinPerAfiliaciones = dirAfiliaciones.GetFiles(cedula + "*.pdf");

                        foreach (FileInfo foundFile in fileinPerAfiliaciones)
                        {
                            this.ListViewFiles.Items.Add(new FileView(foundFile.Name.Replace(FileExtensions.PDFFormat, String.Empty), foundFile.FullName));
                        }
                    }
                }

                //Derivaciones

                DirectoryInfo dirDerivaciones = new DirectoryInfo(new StringBuilder(UserPreferences.GetPreferredLocation()).Append(@"\").Append(TypeOfRecibos.DERIVACION).Append(@"\").ToString());
                if (!(dirDerivaciones is null))
                {
                    if (Directory.Exists(dirDerivaciones.FullName))
                    {
                        FileInfo[] fileinDerivaciones = dirDerivaciones.GetFiles(cedula + "*.pdf");

                        foreach (FileInfo foundFile in fileinDerivaciones)
                        {
                            this.ListViewFiles.Items.Add(new FileView(foundFile.Name.Replace(FileExtensions.PDFFormat, String.Empty), foundFile.FullName));
                        }
                    }
                }

                //Traslado

                DirectoryInfo dirTraslado = new DirectoryInfo(new StringBuilder(UserPreferences.GetPreferredLocation()).Append(@"\").Append(TypeOfRecibos.TRASLADO).Append(@"\").ToString());
                if (!(dirTraslado is null))
                {
                    if (Directory.Exists(dirTraslado.FullName))
                    {
                        FileInfo[] fileinTraslado = dirTraslado.GetFiles(cedula + "*.pdf");

                        foreach (FileInfo foundFile in fileinTraslado)
                        {
                            this.ListViewFiles.Items.Add(new FileView(foundFile.Name.Replace(FileExtensions.PDFFormat, String.Empty), foundFile.FullName));
                        }
                    }
                }

                //Otros

                DirectoryInfo dirOtros = new DirectoryInfo(new StringBuilder(UserPreferences.GetPreferredLocation()).Append(@"\").Append(TypeOfRecibos.OTROS).Append(@"\").ToString());
                if (!(dirOtros is null))
                {
                    if (Directory.Exists(dirOtros.FullName))
                    {
                        FileInfo[] fileinOtros = dirOtros.GetFiles(cedula + "*.pdf");

                        foreach (FileInfo foundFile in fileinOtros)
                        {
                            this.ListViewFiles.Items.Add(new FileView(foundFile.Name.Replace(FileExtensions.PDFFormat, String.Empty), foundFile.FullName));
                        }
                    }
                }
            } catch (Exception)
            {
                SystemSounds.Beep.Play();
                MessageBox.Show("Error!", Messages.Titles.Alert, MessageBoxButton.OK, MessageBoxImage.Error);
            }

            if (this.ListViewFiles.Items.Count == 0)
            {
                SystemSounds.Beep.Play();
                MessageBox.Show("No se encontro ningun registro", Messages.Titles.Warninig, MessageBoxButton.OK, MessageBoxImage.Warning);
            }
        }
        /// <summary>
        /// Generates Invoices
        /// </summary>
        /// <param name="items">It is a pair of values in which none can be null</param>
        /// <param name="type">The type of invoices</param>
        /// <returns>True if files were generated succesfully</returns>
        public override bool GenerateFiles(List <Tuple <Factura, Customer> > items, string type, object sender, System.Windows.Controls.TextBlock text)
        {
            for (int i = 0; i < items.Count; ++i)
            {
                int total = 0;
                foreach (Cargo cargo in items.ElementAt(i).Item1.cargos)
                {
                    total += cargo.Valor;
                }

                //Change Current Operation Description
                base.UpdateCurrentOperationDescription("Proceso iniciado: " + (i + 1) + "/" + items.Count);
                text.Dispatcher.Invoke(delegate
                {
                    text.Text = CurrentOperationDescription;
                });


                using (ExcelPackage xlPackage = new ExcelPackage(new System.IO.FileInfo(@UserPreferences.GetFacturasLocation())))
                {
                    //Change Current Operation Description
                    base.UpdateCurrentOperationDescription("Obteniendo directorio");
                    text.Dispatcher.Invoke(delegate
                    {
                        text.Text = CurrentOperationDescription;
                    });

                    StringBuilder DirectoryLocation = new StringBuilder(UserPreferences.GetPreferredLocation()).Append(@"\").Append(type).Append(@"\").Append(DateManager.GetMonthInSpanish().ToUpper());
                    var           directoryInfo     = System.IO.Directory.CreateDirectory(@DirectoryLocation.ToString());

                    //Change Current Operation Description
                    base.UpdateCurrentOperationDescription("Generando nombres de archivo");
                    text.Dispatcher.Invoke(delegate
                    {
                        text.Text = CurrentOperationDescription;
                    });

                    StringBuilder FileLocationXlsx = new StringBuilder(directoryInfo.FullName).Append(@"\").Append(items.ElementAt(i).Item1.NumeroFactura).Append(FileExtensions.ExcelFormat);
                    StringBuilder FileLocationPDF  = new StringBuilder(directoryInfo.FullName).Append(@"\").Append(items.ElementAt(i).Item1.NumeroFactura).Append(FileExtensions.PDFFormat);

                    if (File.Exists(FileLocationPDF.ToString()))
                    {
                        continue;
                    }
                    try
                    {
                        var worksheet    = xlPackage.Workbook.Worksheets.First();
                        var totalRows    = worksheet.Dimension.End.Row;
                        var totalColumns = worksheet.Dimension.End.Column;

                        //Change Current Operation Description
                        base.UpdateCurrentOperationDescription("Escaneando plantilla");
                        text.Dispatcher.Invoke(delegate
                        {
                            text.Text = CurrentOperationDescription;
                        });
                        for (int rowNum = 1; rowNum <= totalRows; ++rowNum)
                        {
                            for (int colNum = 1; colNum <= totalColumns; ++colNum)
                            {
                                var    row       = worksheet.Cells[rowNum, colNum].Select(c => c.Value == null ? String.Empty : c.Value.ToString());
                                string cellValue = String.Join(",", row);

                                if (cellValue == FacturasKeyWords.CEDULA)
                                {
                                    worksheet.Cells[rowNum, colNum].Value = items.ElementAt(i).Item2.Cedula;
                                }

                                if (cellValue == FacturasKeyWords.NOMBRES)
                                {
                                    worksheet.Cells[rowNum, colNum].Value = new StringBuilder(items.ElementAt(i).Item2.Nombre).Append(" ").Append(items.ElementAt(i).Item2.Apellido).ToString();
                                }

                                if (cellValue == FacturasKeyWords.BARRIO)
                                {
                                    worksheet.Cells[rowNum, colNum].Value = items.ElementAt(i).Item2.Barrio;
                                }
                                if (cellValue == FacturasKeyWords.DIRECCION)
                                {
                                    worksheet.Cells[rowNum, colNum].Value = items.ElementAt(i).Item2.Direccion;
                                }
                                if (cellValue == FacturasKeyWords.FECHA)
                                {
                                    worksheet.Cells[rowNum, colNum].Value = DateManager.GetDateInSpanish(items.ElementAt(i).Item1.Fecha);
                                }
                                if (cellValue == FacturasKeyWords.FECHADEPAGO)
                                {
                                    worksheet.Cells[rowNum, colNum].Value = DateManager.GetDateInSpanish(items.ElementAt(i).Item1.FechaLimite.Value);
                                }
                                if (cellValue == FacturasKeyWords.TOTAL)
                                {
                                    string valorToDisplay = String.Format(System.Globalization.CultureInfo.CurrentCulture, "{0:C}", total);
                                    worksheet.Cells[rowNum, colNum].Value = valorToDisplay;
                                }


                                //Adjusts charges
                                int j = 0;
                                foreach (Cargo cargo in items.ElementAt(i).Item1.cargos)
                                {
                                    //Avoid index out of range
                                    if (j == FacturasKeyWords.SIZEOFCARGO)
                                    {
                                        break;
                                    }

                                    if (cellValue == FacturasKeyWords.CONCEPTO.ElementAt(j))
                                    {
                                        worksheet.Cells[rowNum, colNum].Value = cargo.Concepto.ToString().ToUpper();
                                    }
                                    if (cellValue == FacturasKeyWords.PERIODO.ElementAt(j))
                                    {
                                        if (cargo.MesCargado is null)
                                        {
                                            worksheet.Cells[rowNum, colNum].Value = DateManager.GetMonthInSpanish((int)items.ElementAt(i).Item1.MesCargado + 1);
                                        }
                                        else
                                        {
                                            worksheet.Cells[rowNum, colNum].Value = cargo.MesCargado.ToString().ToUpper();
                                        }
                                    }
                                    if (cellValue == FacturasKeyWords.VALOR.ElementAt(j))
                                    {
                                        int valorSinIva = cargo.Valor;
                                        if (cargo.Concepto == Concepto.TV)
                                        {
                                            Calculadora.CalcularValorSinIVA(out valorSinIva, out int iva, cargo.Valor);
                                        }
                                        string valorToDisplay = String.Format(System.Globalization.CultureInfo.CurrentCulture, "{0:C}", valorSinIva);
                                        worksheet.Cells[rowNum, colNum].Value = valorToDisplay;
                                    }
                                    if (cellValue == FacturasKeyWords.IVA.ElementAt(j))
                                    {
                                        int iva = 0;
                                        if (cargo.Concepto == Concepto.TV)
                                        {
                                            Calculadora.CalcularValorSinIVA(out int valorSinIva, out iva, cargo.Valor);
                                        }
                                        string valorToDisplay = String.Format(System.Globalization.CultureInfo.CurrentCulture, "{0:C}", iva);
                                        worksheet.Cells[rowNum, colNum].Value = valorToDisplay;
                                    }
                                    if (cellValue == FacturasKeyWords.NETO.ElementAt(j))
                                    {
                                        string valorToDisplay = String.Format(System.Globalization.CultureInfo.CurrentCulture, "{0:C}", cargo.Valor);
                                        worksheet.Cells[rowNum, colNum].Value = valorToDisplay;
                                    }
                                    ++j;
                                }

                                //Change progress value
                                int newProgress = (int)((100 * ((float)i / (float)items.Count)));
                                base.UpdateProgreso(newProgress);
                                (sender as BackgroundWorker).ReportProgress(Progress);
                            }
                        }

                        //Clean unused fields in facturas
                        for (int rowNum = 1; rowNum <= totalRows; ++rowNum)
                        {
                            for (int colNum = 1; colNum <= totalColumns; ++colNum)
                            {
                                var    row       = worksheet.Cells[rowNum, colNum].Select(c => c.Value == null ? String.Empty : c.Value.ToString());
                                string cellValue = String.Join(",", row);

                                for (int j = 0; j < FacturasKeyWords.SIZEOFCARGO; j++)
                                {
                                    if (cellValue == FacturasKeyWords.CONCEPTO.ElementAt(j))
                                    {
                                        worksheet.Cells[rowNum, colNum].Value = String.Empty;
                                    }
                                    if (cellValue == FacturasKeyWords.PERIODO.ElementAt(j))
                                    {
                                        worksheet.Cells[rowNum, colNum].Value = String.Empty;
                                    }
                                    if (cellValue == FacturasKeyWords.VALOR.ElementAt(j))
                                    {
                                        worksheet.Cells[rowNum, colNum].Value = String.Empty;
                                    }
                                    if (cellValue == FacturasKeyWords.IVA.ElementAt(j))
                                    {
                                        worksheet.Cells[rowNum, colNum].Value = String.Empty;
                                    }
                                    if (cellValue == FacturasKeyWords.NETO.ElementAt(j))
                                    {
                                        worksheet.Cells[rowNum, colNum].Value = String.Empty;
                                    }
                                }
                            }
                        }

                        //Change Current Operation Description
                        base.UpdateCurrentOperationDescription("Generando archivo PDF");
                        text.Dispatcher.Invoke(delegate
                        {
                            text.Text = CurrentOperationDescription;
                        });

                        xlPackage.SaveAs(new System.IO.FileInfo(@FileLocationXlsx.ToString()));
                        Workbook workbook = new Application().Workbooks.Open(@FileLocationXlsx.ToString());
                        workbook.ExportAsFixedFormat(XlFixedFormatType.xlTypePDF, @FileLocationPDF.ToString());
                        ++NumberOfFilesCreated;
                        workbook.Close();
                    } catch (System.InvalidOperationException)
                    {
                        RollBack(FileLocationXlsx.ToString(), FileLocationPDF.ToString());
                        throw;
                    }
                    finally
                    {
                        File.Delete(@FileLocationXlsx.ToString());
                    }
                }
            }
            base.UpdateProgreso(100);
            (sender as BackgroundWorker).ReportProgress(Progress);
            return(true);
        }
        /// <summary>
        /// Processes the payment
        /// </summary>
        private void Pay()
        {
            if (CedulaCliente is null)
            {
                SystemSounds.Beep.Play();
                MessageBox.Show("Cedula invalida", Messages.Titles.Warninig, MessageBoxButton.OK, MessageBoxImage.Warning);
                return;
            }


            List <Cargo> cargosActualizados = new List <Cargo>();

            foreach (Compra _compra in this.ListViewCompras.Items)
            {
                Cargo cargo = (Cargo)_compra.CargoView;
                cargosActualizados.Add(cargo);
            }
            int pagoTotal = int.Parse(this.TotalText.Content.ToString(), NumberStyles.Currency);

            try
            {
                Factura factura = new Factura();
                //In this case NumeroFactura is used for the name of the file, so its safe not to provide the object with more values
                //Must add number of file to the name of the file to avoid file from being removed if two or more payments happen the same day
                factura.NumeroFactura = new StringBuilder(CedulaCliente).Append("-").Append(DateManager.GetMonthInSpanish()).Append("-").Append(UserPreferences.GetNumeroRecibo()).ToString();
                factura.cargos        = cargosActualizados;
                Customer customer = BDManager.GetCustomer(CedulaCliente);

                if (customer is null)
                {
                    SystemSounds.Beep.Play();
                    MessageBox.Show("Error inesperado", Messages.Titles.Alert, MessageBoxButton.OK, MessageBoxImage.Error);
                    return;
                }

                RecibosManager                    recibosManager = new RecibosManager();
                Tuple <Factura, Customer>         pair           = new Tuple <Factura, Customer>(factura, customer);
                List <Tuple <Factura, Customer> > info           = new List <Tuple <Factura, Customer> >();
                info.Add(pair);

                try
                {
                    recibosManager.Valor = pagoTotal;
                    LoadingWindow loadingWindow = new LoadingWindow();
                    loadingWindow.Show();
                    loadingWindow.StartWorking((object sender, DoWorkEventArgs e) => {
                        recibosManager.GenerateFiles(info, TypeOfRecibos.PAGO, sender, loadingWindow.Status);

                        this.Dispatcher.Invoke(delegate {
                            loadingWindow.Hide();
                            SystemSounds.Beep.Play();
                            MessageBox.Show("Archivo creado exitosamente", Messages.Titles.Success, MessageBoxButton.OK, MessageBoxImage.Information);
                        });
                    }
                                               );
                }
                catch (Exception)
                {
                    this.Dispatcher.Invoke(delegate
                    {
                        SystemSounds.Beep.Play();
                        MessageBox.Show(Messages.Errors.CouldntReadFile, Messages.Titles.Warninig, MessageBoxButton.OK, MessageBoxImage.Warning);
                    });
                    return;
                }

                try
                {
                    if (descuento == 0)
                    {
                        if (BDManager.Pay(cargosActualizados, CedulaCliente, pagoTotal))
                        {
                            SystemSounds.Beep.Play();
                            MessageBox.Show("Pago exitoso!", Messages.Titles.Success, MessageBoxButton.OK, MessageBoxImage.Information);
                            Clean();
                        }
                    }
                    else
                    {
                        if (BDManager.Pay(cargosActualizados, CedulaCliente, pagoTotal, descuento, descuentoCargo))
                        {
                            SystemSounds.Beep.Play();
                            MessageBox.Show("Pago exitoso!", Messages.Titles.Success, MessageBoxButton.OK, MessageBoxImage.Information);
                            Clean();
                        }
                    }
                } catch (Exception)
                {
                    SystemSounds.Beep.Play();
                    MessageBox.Show("No se pudo efectuar el pago", Messages.Titles.Warninig, MessageBoxButton.OK, MessageBoxImage.Warning);
                    int resetNumeber = UserPreferences.GetNumeroRecibo();
                    UserPreferences.SaveNumeroRecibo(--resetNumeber);
                }
            } catch (Exception e)
            {
                SystemSounds.Beep.Play();
                MessageBox.Show("Error inesperado. Elimine el archivo generado!" + "\n" + e.Message, Messages.Titles.Alert, MessageBoxButton.OK, MessageBoxImage.Error);
            }
        }