Adding computerFileSize in OC.Util

Signed-off-by: Lukas Reschke <lukas@statuscode.ch>

1 files changed, 46 insertions, 0 deletions

diff --git a/core/js/js.js b/core/js/js.js
index 972f0e63144..2b14ded87d7 100644
--- a/core/js/js.js
+++ b/core/js/js.js
@@ -1626,6 +1626,51 @@ function humanFileSize(size, skipSmallSizes) {
 }
 
 /**
+ * Returns a file size in bytes from a humanly readable string
+ * @param  {string} string file size in human readable format
+ * @return {number}
+ *
+ * Makes 2kB to 2048.
+ *
+ * Inspired by computerFileSize in helper.php
+ */
+function computerFileSize(string) {
+		var s = string.toLowerCase();
+
+		if (!isNaN(parseFloat(s)) && isFinite(s)) {
+			return parseFloat(s);
+		}
+
+		var bytes_array = {
+			'b' : 1,
+			'k' : 1024,
+			'kb': 1024,
+			'mb': 1024 * 1024,
+			'm' : 1024 * 1024,
+			'gb': 1024 * 1024 * 1024,
+			'g' : 1024 * 1024 * 1024,
+			'tb': 1024 * 1024 * 1024 * 1024,
+			't' : 1024 * 1024 * 1024 * 1024,
+			'pb': 1024 * 1024 * 1024 * 1024 * 1024,
+			'p' : 1024 * 1024 * 1024 * 1024 * 1024
+		};
+
+		var bytes = parseFloat(s);
+
+		var matches = s.match(/([kmgtp]?b?)$/i);
+		if (matches[1]) {
+			bytes = bytes * bytes_array[matches[1]];
+		}
+		else {
+			return false;
+		}
+
+		bytes = Math.round(bytes);
+		console.log(bytes);
+		return bytes;
+}
+
+/**
  * Format an UNIX timestamp to a human understandable format
  * @param {number} timestamp UNIX timestamp
  * @return {string} Human readable format
@@ -1667,6 +1712,7 @@ function relative_modified_date(timestamp) {
 OC.Util = {
 	// TODO: remove original functions from global namespace
 	humanFileSize: humanFileSize,
+	computerFileSize: computerFileSize,
 
 	/**
 	 * @param timestamp