tv: wire in stats

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>

1 files changed, 22 insertions, 0 deletions

diff --git a/ui/src/main/java/com/wireguard/android/util/QuantityFormatter.kt b/ui/src/main/java/com/wireguard/android/util/QuantityFormatter.kt
new file mode 100644
index 00000000..b2294993
--- /dev/null
+++ b/ui/src/main/java/com/wireguard/android/util/QuantityFormatter.kt
@@ -0,0 +1,22 @@
+/*
+ * Copyright © 2020 WireGuard LLC. All Rights Reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+package com.wireguard.android.util
+
+import com.wireguard.android.Application
+import com.wireguard.android.R
+
+object QuantityFormatter {
+    fun formatBytes(bytes: Long): String {
+        val context = Application.get().applicationContext
+        return when {
+            bytes < 1024 -> context.getString(R.string.transfer_bytes, bytes)
+            bytes < 1024 * 1024 -> context.getString(R.string.transfer_kibibytes, bytes / 1024.0)
+            bytes < 1024 * 1024 * 1024 -> context.getString(R.string.transfer_mibibytes, bytes / (1024.0 * 1024.0))
+            bytes < 1024 * 1024 * 1024 * 1024L -> context.getString(R.string.transfer_gibibytes, bytes / (1024.0 * 1024.0 * 1024.0))
+            else -> context.getString(R.string.transfer_tibibytes, bytes / (1024.0 * 1024.0 * 1024.0) / 1024.0)
+        }
+    }
+}
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