From a0afdae50f1bba4e8802d3699387c8c044392401 Mon Sep 17 00:00:00 2001
From: Joe <joe.hunt.consulting@gmail.com>
Date: Tue, 1 Aug 2023 09:28:37 +0200
Subject: [PATCH] Added Payment Link (Payment Service) for XUMM. A Dutch free
 Payment Service.

---
 includes/ui/ui_view.inc | 36 ++++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)

diff --git a/includes/ui/ui_view.inc b/includes/ui/ui_view.inc
index 513052dd..ec818381 100644
--- a/includes/ui/ui_view.inc
+++ b/includes/ui/ui_view.inc
@@ -1528,6 +1528,7 @@ if (!isset($payment_services))
 {
 	$payment_services = array(
 		'PayPal' => "https://www.paypal.com/xclick?business=<company_email>&item_name=<comment>&amount=<amount>&currency_code=<currency>",
+		'XUMM' => "https://xumm.app/detect/request:{{account}}?amount=<amount>"
 	);
 }
 /*
@@ -1546,6 +1547,41 @@ function payment_link($name, $options)
 	foreach ($options as $id => $option)
 		$patterns['<'.$id.'>'] = urlencode($options[$id]);
 
+    if ($name == 'XUMM')
+    {
+        // Get the account number for 'XRPL Account' from 'bank_accounts' table
+        $sql = "SELECT bank_account_number FROM ".TB_PREF."bank_accounts WHERE bank_account_name = 'XRPL Account'";
+        $result = db_query($sql, "could not retrieve XRPL Account bank account number");
+        $row = db_fetch($result);
+        if ($row == false) {
+        	display_error(_("Could not retrieve XRPL Account bank account number"));
+        	return false;
+        }
+        $account = $row['bank_account_number'];
+
+        // Replace the {{account}} placeholder in the XUMM URL with the extracted account value
+        $link = str_replace('{{account}}', urlencode($account), $link);
+
+        // Extract XRP exchange rate
+        $curr_code = 'XRP';
+        $date = date('Y-m-d'); // Get the current date in 'YYYY-MM-DD' format
+        $sql = "SELECT rate_buy FROM ".TB_PREF."exchange_rates WHERE curr_code = '$curr_code' AND date_ = '$date'";
+        $result = db_query($sql, "could not retrieve exchange rate for $curr_code - $date");
+        $row = db_fetch($result);
+        if ($row == false) {
+        	display_error(sprintf(_("Could not retrieve exchange rate for %s - %s"), $curr_code, $date));
+        	return false;
+        }
+        $exchange_rate = $row['rate_buy'];
+        if ($exchange_rate == 0) $exchange_rate = 1;
+
+        // Divide the amount by the exchange rate
+        $options['amount'] /= $exchange_rate;
+
+        // Replace the <amount> placeholder in the XUMM URL with the modified amount value
+        $link = str_replace('<amount>', urlencode($options['amount']), $link);
+    }
+
 	return strtr($link, $patterns);
 }
 
-- 
2.30.2