added thumbnail creation for media manager component

Author: darryldecode

composer.json

@@ -11,7 +11,8 @@
     ],
     "require": {
         "php": ">=5.6.0",
-        "illuminate/html": "^5.0@dev"
+        "illuminate/html": "^5.0@dev",
+        "intervention/image": "^2.3@dev"
     },
     "require-dev": {
     },

src/Darryldecode/Backend/Components/MediaManager/Commands/UploadCommand.php

@@ -10,6 +10,7 @@
 
 use Darryldecode\Backend\Base\Commands\Command;
 use Darryldecode\Backend\Base\Commands\CommandResult;
+use Darryldecode\Backend\Components\MediaManager\Services\Image;
 use Illuminate\Contracts\Bus\SelfHandling;
 use Illuminate\Contracts\Events\Dispatcher;
 use Illuminate\Contracts\Filesystem\Filesystem;
@@ -40,9 +41,10 @@ public function __construct($files = null, $path = null, $disablePermissionCheck
 
     /**
      * @param Repository $config
+     * @param Image $image
      * @return CommandResult
      */
-    public function handle(Repository $config)
+    public function handle(Repository $config,Image $image)
     {
         // check if user has permission
         if( ! $this->disablePermissionChecking )
@@ -58,10 +60,31 @@ public function handle(Repository $config)
         // upload files
         foreach($this->files as $file)
         {
+            // save the file
             $file->move(
                 $config->get('filesystems.disks.local.root').'/'.$this->normalizePath($path),
                 $file->getClientOriginalName()
             );
+
+            $filePath  = $config->get('filesystems.disks.local.root').'/'.$this->normalizePath($path).$file->getClientOriginalName();
+            $file_name = pathinfo($filePath, PATHINFO_FILENAME);
+            $extension = pathinfo($filePath, PATHINFO_EXTENSION);
+
+            // produce thumbnail sizes
+            $sizes = $config->get('backend.backend.thumb_sizes');
+
+            if( getimagesize($filePath) )
+            {
+                foreach($sizes as $key => $dimension)
+                {
+                    $image::createThumbnail(
+                        $filePath,
+                        $dimension[0],
+                        $dimension[1],
+                        $config->get('filesystems.disks.local.root').'/'.$this->normalizePath($path).$this->produceThumbFileName($file_name,$key,$extension)
+                    );
+                }
+            }
         }
 
         // all good
@@ -80,4 +103,18 @@ protected function normalizePath($path)
 
         return ltrim($path, '/');
     }
+
+    /**
+     * produce proper thumbname according to size
+     * ex. from myFile.jpg -> myFile_small.jpg
+     *
+     * @param $file_name
+     * @param $file_size_name
+     * @param $file_extension
+     * @return string
+     */
+    protected function produceThumbFileName($file_name, $file_size_name, $file_extension)
+    {
+        return $file_name.'_'.$file_size_name.'.'.$file_extension;
+    }
 }

src/Darryldecode/Backend/Components/MediaManager/Services/Image.php

@@ -0,0 +1,34 @@
+<?php
+/**
+ * Created by PhpStorm.
+ * User: darryl
+ * Date: 7/28/2015
+ * Time: 11:29 PM
+ */
+
+namespace Darryldecode\Backend\Components\MediaManager\Services;
+
+use Intervention\Image\ImageManager;
+
+class Image {
+
+    /**
+     * creates a thumbnail
+     *
+     * @param $imagePath
+     * @param null $width
+     * @param null $height
+     * @param $target
+     * @return bool
+     */
+    public static function createThumbnail($imagePath, $width = null, $height = null, $target)
+    {
+        $manager = new ImageManager();
+
+        $manager->make($imagePath)
+            ->resize($width, $height)
+            ->save($target);
+
+        return true;
+    }
+}

src/Darryldecode/Backend/Config/backend.php

@@ -22,5 +22,14 @@
     /*
      * The title to be use on Backend
      */
-    'backend_title' => 'Laravel Backend'
+    'backend_title' => 'Laravel Backend',
+
+    /*
+     * Media Manager thumbnails
+     */
+    'thumb_sizes' => array(
+        'small' => array(150,120),
+        'medium' => array(300,200),
+        'large' => array(600,450),
+    ),
 ];