From 77712e2e9af16c05811bb59f120dc53fe2d1a14a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?David=20Barrag=C3=A1n=20Merino?=
 <david.barragan@kaleidos.net>
Date: Tue, 29 Jul 2014 14:43:21 +0200
Subject: [PATCH] Add a function to formated file size to 'utils' module

---
 app/coffee/utils.coffee | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/app/coffee/utils.coffee b/app/coffee/utils.coffee
index 7be76d89..ba3d6a6f 100644
--- a/app/coffee/utils.coffee
+++ b/app/coffee/utils.coffee
@@ -105,6 +105,22 @@ debounce = (wait, func) ->
 startswith = (str1, str2) ->
     return _.str.startsWith(str1, str2)
 
+
+sizeFormat = (input, precision=1) ->
+    if isNaN(parseFloat(input)) or not isFinite(input)
+        return "-"
+
+    if input == 0
+        return "0 bytes"
+
+    units = ["bytes", "KB", "MB", "GB", "TB", "PB"]
+    number = Math.floor(Math.log(input) / Math.log(1024))
+    if number > 5
+        number = 5
+    size = (input / Math.pow(1024, number)).toFixed(precision)
+    return  "#{size} #{units[number]}"
+
+
 taiga = @.taiga
 taiga.bindOnce = bindOnce
 taiga.mixOf = mixOf
@@ -120,3 +136,4 @@ taiga.toString = toString
 taiga.joinStr = joinStr
 taiga.debounce = debounce
 taiga.startswith = startswith
+taiga.sizeFormat = sizeFormat