Move [un]format_bytes() from general.lib.php to UI

4 files changed, 60 insertions, 6 deletions

diff --git a/lib/class/catalog.class.php b/lib/class/catalog.class.php
index 9a75a5ea..3833d329 100644
--- a/lib/class/catalog.class.php
+++ b/lib/class/catalog.class.php
@@ -188,7 +188,7 @@ class Catalog extends database_object {
 
 		$hours = floor($results['time'] / 3600);
 
-		$results['formatted_size'] = format_bytes($results['size']);
+		$results['formatted_size'] = UI::format_bytes($results['size']);
 
 		$days = floor($hours / 24);
 		$hours = $hours % 24;
@@ -422,7 +422,7 @@ class Catalog extends database_object {
 	public function add_files($path, $options) {
 
 		// Profile the memory a bit
-		debug_event('Memory', format_bytes(memory_get_usage(true)), 5);
+		debug_event('Memory', UI::format_bytes(memory_get_usage(true)), 5);
 
 		// See if we want a non-root path for the add
 		if (isset($options['subdirectory'])) {
@@ -457,7 +457,7 @@ class Catalog extends database_object {
 		// Ensure that we've got our cache
 		$this->_create_filecache();
 
-		debug_event('Memory', format_bytes(memory_get_usage(true)), 5);
+		debug_event('Memory', UI::format_bytes(memory_get_usage(true)), 5);
 
 		/* Recurse through this dir and create the files array */
 		while ( false !== ( $file = readdir($handle) ) ) {
@@ -466,7 +466,7 @@ class Catalog extends database_object {
 			if (substr($file,0,1) == '.') { continue; }
 
 			debug_event('read',"Starting work on $file inside $path",'5','ampache-catalog');
-			debug_event('Memory', format_bytes(memory_get_usage(true)), 5);
+			debug_event('Memory', UI::format_bytes(memory_get_usage(true)), 5);
 
 			/* Create the new path */
 			$full_file = $path.$slash_type.$file;
diff --git a/lib/class/song.class.php b/lib/class/song.class.php
index b547f71a..ac25b1a0 100644
--- a/lib/class/song.class.php
+++ b/lib/class/song.class.php
@@ -795,7 +795,7 @@ class Song extends database_object implements media {
 		$this->f_tags = Tag::get_display($tags,$this->id,'song');
 
 		// Format the size
-		$this->f_size = format_bytes($this->size);
+		$this->f_size = UI::format_bytes($this->size);
 
 		return true;
 
diff --git a/lib/class/ui.class.php b/lib/class/ui.class.php
index f37c5a36..ae4ec091 100644
--- a/lib/class/ui.class.php
+++ b/lib/class/ui.class.php
@@ -105,6 +105,60 @@ class UI {
 	}
 
 	/**
+	 * format_bytes
+	 *
+	 * Turns a size in bytes into the best human-readable value
+	 */
+	public static function format_bytes($value, $precision = 2) {
+		$pass = 0;
+		while (strlen(floor($value)) > 3) {
+			$value /= 1024;
+			$pass++;
+		}
+
+		switch ($pass) {
+			case 1: $unit = 'kB'; break;
+			case 2: $unit = 'MB'; break;
+			case 3: $unit = 'GB'; break;
+			case 4: $unit = 'TB'; break;
+			case 5: $unit = 'PB'; break;
+			default: $unit = 'B'; break;
+		}
+
+		return round($value, $precision) . ' ' . $unit;
+	}
+
+	/**
+	 * unformat_bytes
+	 *
+	 * Parses a human-readable size
+	 */
+	public static function unformat_bytes($value) {
+		if (preg_match('/^([0-9]+) *([[:alpha:]]+)$/', $value, $matches)) {
+			$value = $matches[1];
+			$unit = strtolower(substr($matches[2], 0, 1));
+		}
+		else {
+			return $value;
+		}
+
+		switch($unit) {
+			case 'p':
+				$value *= 1024;
+			case 't':
+				$value *= 1024;
+			case 'g':
+				$value *= 1024;
+			case 'm':
+				$value *= 1024;
+			case 'k':
+				$value *= 1024;
+		}
+
+		return $value;
+	}
+
+	/**
 	 * get_icon
 	 *
 	 * Returns an <img> tag for the specified icon
diff --git a/lib/class/user.class.php b/lib/class/user.class.php
index 0ee517f2..01f709f2 100644
--- a/lib/class/user.class.php
+++ b/lib/class/user.class.php
@@ -697,7 +697,7 @@ class User extends database_object {
 			$total = $total + $r['size'];
 		}
 
-		$this->f_useage = format_bytes($total);
+		$this->f_useage = UI::format_bytes($total);
 
 		/* Get Users Last ip */
 		if (count($data = $this->get_ip_history(1))) {