Feat: Add currency formatter

thunderbiscuit · Mar 8, 2023 · 6c93389 · 6c93389
1 parent 8e29ce9
commit 6c93389
Showing 1 changed file with 14 additions and 1 deletion.
diff --git a/app/src/main/java/com/goldenraven/padawanwallet/ui/wallet/WalletRootScreen.kt b/app/src/main/java/com/goldenraven/padawanwallet/ui/wallet/WalletRootScreen.kt
@@ -154,7 +154,8 @@ fun BalanceBox(
                     CurrencyToggleText(currencyToggleState = currencyToggleState, text = CurrencyType.SATS)
                 }
             }
-            val balanceDisplay: String = if (currencyToggleState.value) balance.toString() else balance.formatInBtc()
+            var balanceDisplay: String = if (currencyToggleState.value) balance.toString() else balance.formatInBtc()
+            balanceDisplay = formatCurrency(balanceDisplay)
             val currencyDisplay: String = if (currencyToggleState.value) CurrencyType.SATS.toString().lowercase() else CurrencyType.BTC.toString().lowercase()
             Text(
                 text = balanceDisplay,
@@ -217,6 +218,18 @@ fun BalanceBox(
     }
 }
 
+fun formatCurrency(amount: String): String {
+    val regex = "(\\d)(?=(\\d{3})+\$)".toRegex()
+    val dotIdx = amount.indexOf('.')
+    return if (dotIdx == -1)  {
+        amount.replace(regex, "\$1,")
+    } else {
+        val num = amount.substring(0, dotIdx).replace(regex, "\$1,")
+        val dec = amount.substring(dotIdx+1).replace(regex, "\$1'")
+        "$num.$dec"
+    }
+}
+
 @Composable
 fun SendReceive(navController: NavHostController) {
     Row(