In order to easily interface with different brands of fiscal printers and use their same functions, this module defines a unified interactive data structure and interfaces. By implementing these interfaces to interact with a certain certain brand of fiscal printer.
// Create a client
const fprinter: FPrinter.Client = new EpsonXmlHttpClient({
host: '192.168.1.1',
deviceId: 'local_printer',
timeout: 10000
});
// Fiscal receipt
await client.printFiscalReceipt({
sales: [
{
type: Fiscal.ItemType.HOLD,
description: 'A',
quantity: 1,
unitPrice: 5
},
{
type: Fiscal.ItemType.HOLD,
description: 'B',
quantity: 2,
unitPrice: 2.5
},
{
type: Fiscal.ItemType.HOLD,
description: 'C',
quantity: 3,
unitPrice: 3
},
],
payments: [
{
description: 'Payment in cash',
payment: 19
}
]
});
// Fiscal Report
await client.printFiscalReport({
type: Fiscal.ReportType.DAILY_FISCAL_CLOUSE,
});
// Create a client
const fprinter: FPrinterCustom.Client = new CustomXmlHttpClient({
host: '192.168.1.1',
fiscalId: 'STMTE500432', // 11 digits
});
// Fiscal receipt
await fprinter.printFiscalReceipt({
sales: [
{
type: Fiscal.ItemType.HOLD,
description: 'A',
quantity: 1 * 1000,
unitPrice: 5 * 100
},
{
type: Fiscal.ItemType.HOLD,
description: 'B',
quantity: 2 * 1000,
unitPrice: 2.5 * 100
},
{
type: Fiscal.ItemType.HOLD,
description: 'C',
quantity: 3 * 1000,
unitPrice: 3 * 100
},
],
payments: [
{
description: 'Payment in cash',
payment: 19 * 100,
paymentType: 1
}
]
});
// Fiscal Refund
// step 1 request to make sure the annulment is possible, if responseBuf === 1 then execute step 2
await fprinter.printCancel({
docRefZ: '0021',
docRefNumber: '0034',
docDate: '011022', // DDMMYY
printPreview: CustomProtocol.EnableType.DISABLE,
fiscalSerial: 'STMTE500432',
checkOnly: CustomProtocol.EnableType.ABLE,
codLottery: 'ASDSFES7',
});
// step 2 to proceed with the actual void request
await fprinter.printCancel({
docRefZ: '0021',
docRefNumber: '0034',
docDate: '011022', // DDMMYY,
printPreview: CustomProtocol.EnableType.DISABLE,
fiscalSerial: 'STMTE500432',
checkOnly: CustomProtocol.EnableType.DISABLE,
codLottery: 'ASDSFES7',
});
// Fiscal Report
await fprinter.printFiscalReport({
type: CustomProtocol.ReportType.DAILY_FISCAL_CLOUSE,
});
// Fiscal Command
await fprinter.executeCommand({
code: CustomProtocol.CommandCode.OPEN_DRAWER
});