use symfony/console to format bytes if available

composer.json

@@ -18,7 +18,6 @@
         "symfony/process": "~3.4|~4.0|~5.0",
         "symfony/console": "~3.4|~4.0|~5.0",
         "symfony/finder": "~3.4|~4.0|~5.0",
-        "gabrielelana/byte-units": "^0.3.0",
         "league/flysystem": "~1.0",
         "phpunit/phpunit": "^5.7.11"
     },
@@ -28,9 +27,6 @@
     "autoload-dev": {
         "psr-4": { "Zenstruck\\Backup\\Tests\\": "tests/" }
     },
-    "suggest": {
-        "gabrielelana/byte-units": "For pretty filesize display"
-    },
     "extra": {
         "branch-alias": {
             "dev-master": "1.x-dev"

src/Backup.php

@@ -2,6 +2,8 @@
 
 namespace Zenstruck\Backup;
 
+use Symfony\Component\Console\Helper\Helper;
+
 /**
  * @author Kevin Bond <kevinbond@gmail.com>
  */
@@ -49,6 +51,14 @@ public function getSize()
         return $this->size;
     }
 
+    /**
+     * @return string
+     */
+    public function getFormattedSize()
+    {
+        return \class_exists(Helper::class) ? Helper::formatMemory($this->size) : $this->size.' B';
+    }
+
     /**
      * @return \DateTime
      */

src/Console/Command/ListCommand.php

@@ -55,13 +55,7 @@ private function listBackups(Destination $destination, OutputInterface $output)
         }
 
         foreach ($destination->all() as $backup) {
-            $size = $backup->getSize();
-
-            if (class_exists('\\ByteUnits\\System')) {
-                $size = \ByteUnits\parse($size)->format('B');
-            }
-
-            $table->addRow(array($backup->getKey(), $size, $backup->getCreatedAt()->format('Y-m-d H:i:s')));
+            $table->addRow(array($backup->getKey(), $backup->getFormattedSize(), $backup->getCreatedAt()->format('Y-m-d H:i:s')));
         }
 
         $table->render();

src/Executor.php

@@ -78,16 +78,10 @@ private function sendToDestinations(Profile $profile, $filename)
         foreach ($profile->getDestinations() as $destination) {
             $backup = $destination->push($filename, $this->logger);
 
-            $size = $backup->getSize();
-
-            if (class_exists('\\ByteUnits\\System')) {
-                $size = \ByteUnits\parse($size)->format('B');
-            }
-
             $this->logger->info(
                 sprintf('Backup created for destination "%s" at: "%s" ', $destination->getName(), $backup->getKey()),
                 array(
-                    'size' => $size,
+                    'size' => $backup->getFormattedSize(),
                     'created_at' => $backup->getCreatedAt()->format('Y-m-d H:i:s'),
                 )
             );