public virtual (decimal?, DeviceStatus) GetReceiptAmount()
{
decimal?receiptAmount = null;
var(receiptStatusResponse, deviceStatus) = Request(CommandGetReceiptStatus, "T");
if (!deviceStatus.Ok)
{
deviceStatus.AddInfo($"Error occured while reading last receipt status");
return(null, deviceStatus);
}
var fields = receiptStatusResponse.Split(',');
if (fields.Length < 3)
{
deviceStatus.AddInfo($"Error occured while parsing last receipt status");
deviceStatus.AddError("E409", "Wrong format of receipt status");
return(null, deviceStatus);
}
try
{
var amountString = fields[2];
if (amountString.Length > 0)
{
switch (amountString[0])
{
case '+':
receiptAmount = decimal.Parse(amountString.Substring(1), CultureInfo.InvariantCulture) / 100m;
break;
case '-':
receiptAmount = -decimal.Parse(amountString.Substring(1), CultureInfo.InvariantCulture) / 100m;
break;
default:
if (amountString.Contains("."))
{
receiptAmount = decimal.Parse(amountString, CultureInfo.InvariantCulture);
}
else
{
receiptAmount = decimal.Parse(amountString, CultureInfo.InvariantCulture) / 100m;
}
break;
}
}
}
catch (Exception e)
{
deviceStatus = new DeviceStatus();
deviceStatus.AddInfo($"Error occured while parsing the amount of last receipt status");
deviceStatus.AddError("E409", e.Message);
return(null, deviceStatus);
}
return(receiptAmount, deviceStatus);
}
public override (string, DeviceStatus) GetLastDocumentNumber(string closeReceiptResponse)
{
var deviceStatus = new DeviceStatus();
var fields = closeReceiptResponse.Split('\t');
if (fields.Length < 2)
{
deviceStatus.AddInfo($"Error occured while parsing close receipt response");
deviceStatus.AddError("E409", $"Wrong format of close receipt response");
return(string.Empty, deviceStatus);
}
return(fields[1], deviceStatus);
}
public override (decimal?, DeviceStatus) GetReceiptAmount()
{
decimal?receiptAmount = null;
var(receiptStatusResponse, deviceStatus) = Request(CommandGetReceiptStatus);
if (!deviceStatus.Ok)
{
deviceStatus.AddInfo($"Error occured while reading last receipt status");
return(null, deviceStatus);
}
var fields = receiptStatusResponse.Split('\t');
if (fields.Length < 5)
{
deviceStatus.AddInfo($"Error occured while parsing last receipt status");
deviceStatus.AddError("E409", "Wrong format of receipt status");
return(null, deviceStatus);
}
try
{
var amountString = fields[4];
if (amountString.Length > 0)
{
switch (amountString[0])
{
case '+':
receiptAmount = decimal.Parse(amountString.Substring(1), System.Globalization.CultureInfo.InvariantCulture) / 100m;
break;
case '-':
receiptAmount = -decimal.Parse(amountString.Substring(1), System.Globalization.CultureInfo.InvariantCulture) / 100m;
break;
default:
receiptAmount = decimal.Parse(amountString, System.Globalization.CultureInfo.InvariantCulture);
break;
}
}
}
catch (Exception e)
{
deviceStatus = new DeviceStatus();
deviceStatus.AddInfo($"Error occured while parsing the amount of last receipt status");
deviceStatus.AddError("E409", e.Message);
return(null, deviceStatus);
}
return(receiptAmount, deviceStatus);
}
protected virtual DeviceStatus PrintReceiptBody(Receipt receipt)
{
if (receipt.Items == null || receipt.Items.Count == 0)
{
throw new StandardizedStatusMessageException("Receipt.Items must be not null or empty", "E410");
}
DeviceStatus deviceStatus;
uint itemNumber = 0;
// Receipt items
foreach (var item in receipt.Items)
{
itemNumber++;
if (item.Type == ItemType.Comment || item.IsComment)
{
(_, deviceStatus) = AddComment(item.Text);
if (!deviceStatus.Ok)
{
AbortReceipt();
deviceStatus.AddInfo($"Error occurred in the comment of Item {itemNumber}");
return(deviceStatus);
}
}
else
{
if (item.PriceModifierValue < 0m)
{
throw new StandardizedStatusMessageException("PriceModifierValue amount must be positive number", "E403");
}
if (item.PriceModifierValue != 0m && item.PriceModifierType == PriceModifierType.None)
{
throw new StandardizedStatusMessageException("PriceModifierValue must be 0 if priceModifierType is None", "E403");
}
try
{
(_, deviceStatus) = AddItem(
item.Text,
item.UnitPrice,
item.TaxGroup,
item.Quantity,
item.PriceModifierValue,
item.PriceModifierType);
}
catch (StandardizedStatusMessageException e)
{
deviceStatus = new DeviceStatus();
deviceStatus.AddError(e.Code, e.Message);
}
if (!deviceStatus.Ok)
{
AbortReceipt();
deviceStatus.AddInfo($"Error occurred in Item {itemNumber}");
return(deviceStatus);
}
}
}
// Receipt payments
if (receipt.Payments == null || receipt.Payments.Count == 0)
{
(_, deviceStatus) = FullPaymentAndCloseReceipt();
if (!deviceStatus.Ok)
{
AbortReceipt();
deviceStatus.AddInfo($"Error occurred while making full payment in cash and closing the receipt");
return(deviceStatus);
}
}
else
{
uint paymentNumber = 0;
foreach (var payment in receipt.Payments)
{
paymentNumber++;
try
{
(_, deviceStatus) = AddPayment(payment.Amount, payment.PaymentType);
}
catch (StandardizedStatusMessageException e)
{
deviceStatus = new DeviceStatus();
deviceStatus.AddError(e.Code, e.Message);
}
if (!deviceStatus.Ok)
{
AbortReceipt();
deviceStatus.AddInfo($"Error occurred in Payment {paymentNumber}");
return(deviceStatus);
}
}
(_, deviceStatus) = CloseReceipt();
if (!deviceStatus.Ok)
{
AbortReceipt();
deviceStatus.AddInfo($"Error occurred while closing the receipt");
return(deviceStatus);
}
}
return(deviceStatus);
}
public virtual (ReceiptInfo, DeviceStatus) PrintReceiptBody(Receipt receipt, bool reversalReceipt = false)
{
var receiptInfo = new ReceiptInfo();
var(fiscalMemorySerialNumber, deviceStatus) = GetFiscalMemorySerialNumber();
if (!deviceStatus.Ok)
{
return(receiptInfo, deviceStatus);
}
receiptInfo.FiscalMemorySerialNumber = fiscalMemorySerialNumber;
if (receipt.Items == null || receipt.Items.Count == 0)
{
deviceStatus.AddError("E410", "Receipt.Items must be not null or empty");
return(receiptInfo, deviceStatus);
}
uint itemNumber = 0;
// Receipt items
foreach (var item in receipt.Items)
{
itemNumber++;
if (item.Type == ItemType.Comment)
{
(_, deviceStatus) = AddComment(receipt.UniqueSaleNumber, item.Text);
if (!deviceStatus.Ok)
{
deviceStatus.AddInfo($"Error occurred in Item {itemNumber}");
return(receiptInfo, deviceStatus);
}
}
else
{
if (item.PriceModifierValue < 0m)
{
throw new StandardizedStatusMessageException("PriceModifierValue amount must be positive number", "E403");
}
if (item.PriceModifierValue != 0m && item.PriceModifierType == PriceModifierType.None)
{
throw new StandardizedStatusMessageException("PriceModifierValue must be 0 if priceModifierType is None", "E403");
}
try
{
(_, deviceStatus) = AddItem(
receipt.UniqueSaleNumber,
item.Text,
item.UnitPrice,
item.TaxGroup,
item.Quantity,
item.PriceModifierValue,
item.PriceModifierType,
reversalReceipt);
}
catch (StandardizedStatusMessageException e)
{
deviceStatus = new DeviceStatus();
deviceStatus.AddError(e.Code, e.Message);
}
if (!deviceStatus.Ok)
{
deviceStatus.AddInfo($"Error occurred in Item {itemNumber}");
return(receiptInfo, deviceStatus);
}
}
}
// Get receipt number and amount
string receiptNumber;
decimal?receiptAmount;
(receiptNumber, receiptAmount, deviceStatus) = GetReceiptNumberAndAmount();
if (!deviceStatus.Ok)
{
return(receiptInfo, deviceStatus);
}
receiptInfo.ReceiptNumber = receiptNumber;
receiptInfo.ReceiptAmount = receiptAmount ?? 0m;
// Receipt payments
if (receipt.Payments == null || receipt.Payments.Count == 0)
{
deviceStatus = FullPayment();
if (!deviceStatus.Ok)
{
deviceStatus.AddInfo($"Error occurred while making full payment in cash");
return(receiptInfo, deviceStatus);
}
}
else
{
uint paymentNumber = 0;
foreach (var payment in receipt.Payments)
{
paymentNumber++;
if (payment.PaymentType == PaymentType.Change)
{
continue;
}
try
{
(_, deviceStatus) = AddPayment(payment.Amount, payment.PaymentType);
}
catch (StandardizedStatusMessageException e)
{
deviceStatus = new DeviceStatus();
deviceStatus.AddError(e.Code, e.Message);
}
if (!deviceStatus.Ok)
{
deviceStatus.AddInfo($"Error occurred in Payment {paymentNumber}");
return(receiptInfo, deviceStatus);
}
}
}
// Get the receipt date and time (current fiscal device date and time)
DateTime?dateTime;
(dateTime, deviceStatus) = GetDateTime();
if (!deviceStatus.Ok)
{
return(receiptInfo, deviceStatus);
}
receiptInfo.ReceiptDateTime = dateTime ?? DateTime.Now;
if (deviceStatus.Ok)
{
deviceStatus = FullPayment();
}
return(receiptInfo, deviceStatus);
}
public virtual DeviceStatus ValidateReceipt(Receipt receipt)
{
var status = new DeviceStatus();
if (receipt.Items == null || receipt.Items.Count == 0)
{
status.AddError("E410", "Receipt is empty, no items");
return(status);
}
if (String.IsNullOrEmpty(receipt.UniqueSaleNumber))
{
status.AddError("E405", "UniqueSaleNumber is empty");
return(status);
}
var uniqueSaleNumberMatch = Regex.Match(receipt.UniqueSaleNumber, "^[A-Z0-9]{8}-[A-Z0-9]{4}-[0-9]{7}$");
if (!uniqueSaleNumberMatch.Success)
{
status.AddError("E405", "Invalid format of UniqueSaleNumber");
return(status);
}
var row = 0;
foreach (var item in receipt.Items)
{
row++;
if (String.IsNullOrEmpty(item.Text))
{
status.AddError("E407", $"Item {row}: \"text\" is empty");
}
if (item.IsComment)
{
status.AddWarning("W401", $"Item {row}: \"isComment\" is deprecated in Item {row}. Use \"type\" : \"comment\" instead");
}
// Validation of "type" : "sale"
if (item.Type == ItemType.Sale)
{
if (item.PriceModifierValue <= 0 && item.PriceModifierType != PriceModifierType.None)
{
status.AddError("E403", $"Item {row}: \"priceModifierValue\" should be positive number");
}
if (item.PriceModifierValue != 0 && item.PriceModifierType == PriceModifierType.None)
{
status.AddError("E403", $"Item {row}: \"priceModifierValue\" should'nt be \"none\" or empty. You can avoid setting priceModifier if you do not want price modification");
}
if (item.Quantity <= 0)
{
status.AddError("E403", $"Item {row}: \"quantity\" should be positive number");
}
if (item.TaxGroup == TaxGroup.Unspecified)
{
status.AddError("E403", $"Item {row}: \"taxGroup\" should'nt be \"unspecified\" or empty");
}
try
{
GetTaxGroupText(item.TaxGroup);
}
catch (StandardizedStatusMessageException e)
{
status.AddError(e.Code, e.Message);
}
}
if (!status.Ok)
{
return(status);
}
}
if (receipt.Payments?.Count > 0)
{
row = 0;
foreach (var payment in receipt.Payments)
{
row++;
if (payment.Amount <= 0)
{
status.AddError("E403", $"Payment {row}: \"amount\" should be positive number");
}
try
{
GetPaymentTypeText(payment.PaymentType);
}
catch (StandardizedStatusMessageException e)
{
status.AddError(e.Code, e.Message);
}
if (!status.Ok)
{
status.AddInfo($"Error occured at Payment {row}");
return(status);
}
}
}
return(status);
}
public virtual DeviceStatus ValidateReceipt(Receipt receipt)
{
var status = new DeviceStatus();
if (receipt.Items == null || receipt.Items.Count == 0)
{
status.AddError("E410", "Receipt is empty, no items");
return(status);
}
if (String.IsNullOrEmpty(receipt.UniqueSaleNumber))
{
status.AddError("E405", "UniqueSaleNumber is empty");
return(status);
}
var uniqueSaleNumberMatch = Regex.Match(receipt.UniqueSaleNumber, "^[A-Z0-9]{8}-[A-Z0-9]{4}-[0-9]{7}$");
if (!uniqueSaleNumberMatch.Success)
{
status.AddError("E405", "Invalid format of UniqueSaleNumber");
return(status);
}
var itemsTotalAmount = 0.00m;
var row = 0;
foreach (var item in receipt.Items)
{
row++;
if (String.IsNullOrEmpty(item.Text))
{
status.AddError("E407", $"Item {row}: \"text\" is empty");
}
// Validation of "type" : "sale"
if (item.Type == ItemType.Sale)
{
if (item.PriceModifierValue <= 0 && item.PriceModifierType != PriceModifierType.None)
{
status.AddError("E403", $"Item {row}: \"priceModifierValue\" should be positive number");
}
if (item.PriceModifierValue != 0 && item.PriceModifierType == PriceModifierType.None)
{
status.AddError("E403", $"Item {row}: \"priceModifierValue\" should'nt be \"none\" or empty. You can avoid setting priceModifier if you do not want price modification");
}
if (item.Quantity <= 0)
{
status.AddError("E403", $"Item {row}: \"quantity\" should be positive number");
}
if (item.TaxGroup == TaxGroup.Unspecified)
{
status.AddError("E403", $"Item {row}: \"taxGroup\" should'nt be \"unspecified\" or empty");
}
try
{
GetTaxGroupText(item.TaxGroup);
}
catch (StandardizedStatusMessageException e)
{
status.AddError(e.Code, e.Message);
}
var quantity = Math.Round(item.Quantity, 3, MidpointRounding.AwayFromZero);
var unitPrice = Math.Round(item.UnitPrice, 2, MidpointRounding.AwayFromZero);
var itemPrice = quantity * unitPrice;
switch (item.PriceModifierType)
{
case PriceModifierType.DiscountAmount:
itemPrice -= item.PriceModifierValue;
break;
case PriceModifierType.DiscountPercent:
itemPrice -= itemPrice * (item.PriceModifierValue / 100.0m);
break;
case PriceModifierType.SurchargeAmount:
itemPrice += item.PriceModifierValue;
break;
case PriceModifierType.SurchargePercent:
itemPrice += itemPrice * (item.PriceModifierValue / 100.0m);
break;
}
itemsTotalAmount += Math.Round(itemPrice, 2, MidpointRounding.AwayFromZero);
}
if (!status.Ok)
{
return(status);
}
}
if (receipt.Payments?.Count > 0)
{
var paymentAmount = 0.00m;
row = 0;
foreach (var payment in receipt.Payments)
{
row++;
if (payment.Amount <= 0 && payment.PaymentType != PaymentType.Change)
{
status.AddError("E403", $"Payment {row}: \"amount\" should be positive number");
}
if (payment.Amount >= 0 && payment.PaymentType == PaymentType.Change)
{
status.AddError("E403", $"Change {row}: \"amount\" should be negative number");
}
try
{
if (payment.PaymentType != PaymentType.Change)
{
// Check if the payment type is supported
GetPaymentTypeText(payment.PaymentType);
}
}
catch (StandardizedStatusMessageException e)
{
status.AddError(e.Code, e.Message);
}
if (!status.Ok)
{
status.AddInfo($"Error occured at Payment {row}");
return(status);
}
var amount = Math.Round(payment.Amount, 2, MidpointRounding.AwayFromZero);
paymentAmount += amount;
}
var difference = Math.Abs(paymentAmount - itemsTotalAmount);
if (difference >= 0.01m && difference / itemsTotalAmount > 0.00001m)
{
status.AddError("E403", $"Payment total amount ({paymentAmount.ToString(CultureInfo.InvariantCulture)}) should be the same as the items total amount ({itemsTotalAmount.ToString(CultureInfo.InvariantCulture)})");
}
}
return(status);
}
