ale Request for performing the EFT Card payment

WDePOS-SaleRequest-EFTCard.swift

let sdk: WDePOS = WDePOS.sharedInstance()

// Discover active terminals and use it - in this case we use the first one
// Alternatively use the one discovered previously and stored in an instance variable (or user preferences)
sdk.terminalManager.discoverDevices(WDExtensionTypeUUID.WDPosMateExtensionUUID) { (terminals: [WDTerminal]?, error: Error?) in
    if let terminalsArr = terminals {
        //Here we assume that at least one terminal is present
        let terminal:WDTerminal! = terminalsArr.first

        // Create the instance of the Sale Request
        // Here the minimum data is depicted
        let saleRequest = WDSaleRequest(uniqueId: "yourSaleUniqueID", // provide your unique ID to identify the Sale
            location: nil, // provide the GPS location for this payment e.g. the mobile device location
            inclusiveTaxes: true, // Tax inclusive/exclusive flag
            currency: "EUR", // Currency to use for this Sale
            note: "Test Sale", // Top level note for this sale
            gratuityTaxRate: nil // Gratuity tax rate - nil if no gratuity to be set later in the payment flow
            )!

        // Create one item named "Item 1" costing 10.00 EUR at 20% Tax
        saleRequest.addSaleItem(NSDecimalNumber(value: 10), // Item Unit price
            quantity: NSDecimalNumber(value: 10), // Item Quantity
            taxRate: NSDecimalNumber(value: 20), // Item Tax rate
            itemDescription: "Item 1", // Item description
            productId: nil,
            externalProductId: nil // External product ID - in the case you are using ERP - such as SAP and wish to refer to the product
        )

        // Set this Sale to be settled by Card transaction
        saleRequest.addEFTCardPayment(NSDecimalNumber.init(value: 10), terminal: terminal!)
        
        // The total amount of Sale can be settled by more than on transaction type e.g. Cash and Card
        // Should you wish to do so you would add additional transaction e.g. saleRequest.addCardPayment ...
        
        // Create Payment Configuration to be used in the Pay API later
        let paymentConfiguration:WDSaleRequestConfiguration! = WDSaleRequestConfiguration(saleRequest: saleRequest)
    }
    else{
        NSLog("No active terminal found")
    }
}