From a4796ec47d89a851b260b6fc195494547208a025 Mon Sep 17 00:00:00 2001
From: Torsten Grote <t@grobox.de>
Date: Wed, 18 Mar 2020 14:24:41 -0300
Subject: Merge all three apps into one repository

---
 .../src/main/java/net/taler/merchantpos/Amount.kt  | 48 ++++++++++++++++++++++
 1 file changed, 48 insertions(+)
 create mode 100644 merchant-terminal/src/main/java/net/taler/merchantpos/Amount.kt

(limited to 'merchant-terminal/src/main/java/net/taler/merchantpos/Amount.kt')

diff --git a/merchant-terminal/src/main/java/net/taler/merchantpos/Amount.kt b/merchant-terminal/src/main/java/net/taler/merchantpos/Amount.kt
new file mode 100644
index 0000000..17ddd61
--- /dev/null
+++ b/merchant-terminal/src/main/java/net/taler/merchantpos/Amount.kt
@@ -0,0 +1,48 @@
+/*
+ * This file is part of GNU Taler
+ * (C) 2020 Taler Systems S.A.
+ *
+ * GNU Taler is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU General Public License as published by the Free Software
+ * Foundation; either version 3, or (at your option) any later version.
+ *
+ * GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ * A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+
+package net.taler.merchantpos
+
+import org.json.JSONObject
+
+data class Amount(val currency: String, val amount: String) {
+    @Suppress("unused")
+    fun isZero(): Boolean {
+        return amount.toDouble() == 0.0
+    }
+
+    companion object {
+        private const val FRACTIONAL_BASE = 1e8
+
+        @Suppress("unused")
+        fun fromJson(jsonAmount: JSONObject): Amount {
+            val amountCurrency = jsonAmount.getString("currency")
+            val amountValue = jsonAmount.getString("value")
+            val amountFraction = jsonAmount.getString("fraction")
+            val amountIntValue = Integer.parseInt(amountValue)
+            val amountIntFraction = Integer.parseInt(amountFraction)
+            return Amount(
+                amountCurrency,
+                (amountIntValue + amountIntFraction / FRACTIONAL_BASE).toString()
+            )
+        }
+
+        fun fromString(strAmount: String): Amount {
+            val components = strAmount.split(":")
+            return Amount(components[0], components[1])
+        }
+    }
+}
-- 
cgit v1.2.3