PostalPortal/PostalPoint_Plugins
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Add barcode injection and crypto payment provider code

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Skylar Ittner 2025-08-02 18:16:24 -06:00
parent 70fb105fcc
commit b43e9d244c
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README.md
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@ -92,6 +92,7 @@ when a barcode is scanned on the Prepaid page. The function is passed one argume
containing the raw barcode data. The function shall return boolean `false` if unable or unwilling
to handle the barcode. If the barcode is handled by this function, it shall return a TrackingBarcode object.
* `addPrepaidBarcode(trackingBarcodeData)`: Add a TrackingBarcode object to the transaction receipt at any time other than `onPrepaidScan`.
* `inject(barcodeData)`: Pass data to the internal barcode event subsystem. The data is handled as if it were just received from a physical barcode scanner.
#### Database
@ -127,6 +128,7 @@ PostalPoint uses the Jimp library version 1.6 for creating and manipulating imag
* `onReceiptChange(function (receipt) {})`: Add a function to be called whenever the transaction data/receipt is changed.
* `onTransactionFinished(function (receipt) {})`: Same as `onReceiptChange` except run when a transaction is completed.
* `registerCardProcessor(...)`: Register the plugin as a credit card processor. See examples/payment-processor for details.
* `registerCryptoProcessor(...)`: Register the plugin as a cryptocurrency payment provider. See examples/crypto-processor for details.
* `ReceiptItem`: A class representing a sale item in the current transaction. See docs/Receipt.md for details.
* `ReceiptPayment`: A class representing a payment entry for the current transaction. See docs/Receipt.md for details.

72
examples/crypto-processor/plugin.js Normal file
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@ -0,0 +1,72 @@
// This is a sample PostalPoint plugin that adds a card payment processor.
exports.init = function () {
global.apis.pos.registerCryptoProcessor({
name: "Demo Crypto",
init: async function () {
// This is run after PostalPoint starts, and before any other crypto functions are called.
},
checkout: async function ( {amount}) {
// Run the checkout process.
// amount is the amount of USD to collect, in pennies.
// If an error is encountered during processing,
// display an error message in a dialog and return boolean false.
// If this function returns anything except false or undefined, and doesn't throw an error,
// it is assumed the payment was successful.
// Adds a line of text visible to the cashier
global.apis.pos.addOnscreenPaymentLog("Getting crypto payment...");
// Display a web page (i.e. with a payment QR code) to the customer on the customer-facing display.
global.apis.ui.setCustomerScreen("<html></html>", "html");
global.apis.ui.setCustomerScreen("https://postalpoint.app", "raw");
// Poll the status of the crypto transaction
var paymentComplete = false;
do {
await global.apis.util.delay(1000);
paymentComplete = true;
} while (paymentComplete != true);
global.apis.pos.addReceiptPayment(
new global.apis.pos.ReceiptPayment(
(amount / 100).toFixed(2) * 1,
"crypto", // Payment type.
"Bitcoin\n0.00001234 BTC" // Additional text for receipt
)
);
global.apis.pos.addOnscreenPaymentLog("Payment successful!");
global.apis.ui.clearCustomerScreen();
},
cancelCheckout: function () {
// The user requested to cancel the payment.
// Reset things accordingly.
global.apis.ui.clearCustomerScreen();
},
isConfigured: function () {
// Is this plugin properly setup and able to process payments? If not, return false.
return true;
}
});
}
// Plugin settings to display.
exports.config = [
{
type: "password",
key: "democryproprocessor_apikey",
defaultVal: "",
label: "API Key",
placeholder: "",
text: "API Key"
},
{
type: "button",
label: "Test Button",
text: "Some text about the button",
onClick: function () {
global.apis.ui.openSystemWebBrowser("https://postalpoint.app");
}
}
];