FEATURE: move creating thumbnails into event listener

app/Events/UploadFile.php

@@ -12,11 +12,11 @@ class UploadFile extends Event
     /**
      * @var UploadedFile
      */
-    private $uploadedFile;
+    public $uploadedFile;
     /**
      * @var
      */
-    private $id;
+    public $id;
 
     /**
      * Create a new event instance.

app/Listeners/CreateImageThumbnail.php

@@ -0,0 +1,66 @@
+<?php
+
+namespace App\Listeners;
+
+use App\Events\UploadFile;
+use Illuminate\Support\Facades\File as FileFacade;
+use Illuminate\Support\Str;
+use Intervention\Image\Constraint;
+use Intervention\Image\Facades\Image;
+use Symfony\Component\HttpFoundation\File\File as SymphonyFile;
+
+class CreateImageThumbnail
+{
+    /**
+     * Create the event listener.
+     *
+     * @return void
+     */
+    public function __construct()
+    {
+    }
+
+    /**
+     * Handle the event.
+     *
+     * @param  UploadFile $event
+     *
+     * @return void
+     */
+    public function handle(UploadFile $event)
+    {
+        $uploadedFile = $event->uploadedFile;
+
+        // is uploaded file an image?
+        if (!Str::startsWith($uploadedFile->getMimeType(), 'image')) {
+            return;
+        }
+        // yes, create thumbnail
+        $this->createThumbnail($uploadedFile);
+    }
+
+    /**
+     * Create thumbnail of given image
+     *
+     * @param SymphonyFile $file
+     */
+    private function createThumbnail(SymphonyFile $file)
+    {
+        // does thumbnail directory exist?
+        if (!is_dir(config('app.thumbnail_path'))) {
+            FileFacade::makeDirectory(config('app.thumbnail_path'));
+        }
+
+        // get image instance
+        $image = Image::make(config('app.upload_path') . DIRECTORY_SEPARATOR . $file->getFilename());
+
+        // resize image and keep aspect ration
+        $image->resize(env('THUMBNAIL_WIDTH', setting('previewSize', 300)), null, function (Constraint $constraint) {
+            $constraint->aspectRatio();
+            $constraint->upsize();
+        });
+
+        // save thumbnail with lower quality
+        $image->save(config('app.thumbnail_path') . DIRECTORY_SEPARATOR . $file->getFilename(), 75);
+    }
+}

app/Providers/EventServiceProvider.php

@@ -2,6 +2,49 @@
 
 namespace App\Providers;
 
+use App\Events\AssignWidget;
+use App\Events\AttemptToEditInvalidContent;
+use App\Events\ChangeSettings;
+use App\Events\CreateNewContent;
+use App\Events\CreateNewUser;
+use App\Events\CreateNewWidget;
+use App\Events\CreateNewWidgetArea;
+use App\Events\DeleteContent;
+use App\Events\DeleteWidgetArea;
+use App\Events\EditContent;
+use App\Events\EditFile;
+use App\Events\EditUser;
+use App\Events\EditWidget;
+use App\Events\EditWidgetArea;
+use App\Events\MakeDraftFromContent;
+use App\Events\PublishContent;
+use App\Events\RemoveWidgetFromArea;
+use App\Events\SetHomepage;
+use App\Events\UploadFile;
+use App\Listeners\CreateImageThumbnail;
+use App\Listeners\Loggers\LogAssignWidget;
+use App\Listeners\Loggers\LogAttemptToInvalidContentEdit;
+use App\Listeners\Loggers\LogChangeSettings;
+use App\Listeners\Loggers\LogCreatedUser;
+use App\Listeners\Loggers\LogCreateNewContent;
+use App\Listeners\Loggers\LogDeleteContent;
+use App\Listeners\Loggers\LogDeleteWidgetArea;
+use App\Listeners\Loggers\LogDraftFromContent;
+use App\Listeners\Loggers\LogEditContent;
+use App\Listeners\Loggers\LogEditFile;
+use App\Listeners\Loggers\LogEditUser;
+use App\Listeners\Loggers\LogEditWidget;
+use App\Listeners\Loggers\LogEditWidgetArea;
+use App\Listeners\Loggers\LogLogin;
+use App\Listeners\Loggers\LogLogout;
+use App\Listeners\Loggers\LogNewWidget;
+use App\Listeners\Loggers\LogNewWidgetArea;
+use App\Listeners\Loggers\LogPublishContent;
+use App\Listeners\Loggers\LogRemoveWidgetFromArea;
+use App\Listeners\Loggers\LogSetHomepage;
+use App\Listeners\Loggers\LogUploadFile;
+use Illuminate\Auth\Events\Login;
+use Illuminate\Auth\Events\Logout;
 use Illuminate\Contracts\Events\Dispatcher as DispatcherContract;
 use Illuminate\Foundation\Support\Providers\EventServiceProvider as ServiceProvider;
 
@@ -13,83 +56,71 @@ class EventServiceProvider extends ServiceProvider
      * @var array
      */
     protected $listen = [
-        'App\Events\CreateNewUser'        => [
+        CreateNewUser::class               => [
-            'App\Listeners\Loggers\LogCreatedUser',
+            LogCreatedUser::class,
         ],
-        'App\Events\EditUser'             => [
+        EditUser::class                    => [
-            'App\Listeners\Loggers\LogEditUser',
+            LogEditUser::class,
         ],
-        'App\Events\CreateNewContent'     => [
+        CreateNewContent::class            => [
-            'App\Listeners\Loggers\LogCreateNewContent'
+            LogCreateNewContent::class
         ],
-        'App\Events\EditContent'          => [
+        EditContent::class                 => [
-            'App\Listeners\Loggers\LogEditContent'
+            LogEditContent::class
         ],
-        'App\Events\PublishContent'       => [
+        PublishContent::class              => [
-            'App\Listeners\Loggers\LogPublishContent'
+            LogPublishContent::class
         ],
-        'App\Events\MakeDraftFromContent' => [
+        MakeDraftFromContent::class        => [
-            'App\Listeners\Loggers\LogDraftFromContent'
+            LogDraftFromContent::class
         ],
-        'App\Events\SetHomepage'          => [
+        SetHomepage::class                 => [
-            'App\Listeners\Loggers\LogSetHomepage'
+            LogSetHomepage::class
         ],
-        'App\Events\AttemptToEditInvalidContent'          => [
+        AttemptToEditInvalidContent::class => [
-            'App\Listeners\Loggers\LogAttemptToInvalidContentEdit'
+            LogAttemptToInvalidContentEdit::class
         ],
-        'App\Events\DeleteContent'        => [
+        DeleteContent::class               => [
-            'App\Listeners\Loggers\LogDeleteContent'
+            LogDeleteContent::class
         ],
 
-        'App\Events\ChangeSettings'       => [
+        ChangeSettings::class       => [
-            'App\Listeners\Loggers\LogChangeSettings',
+            LogChangeSettings::class,
         ],
-        'App\Events\UploadFile'           => [
+        UploadFile::class           => [
-            'App\Listeners\Loggers\LogUploadFile'
+            LogUploadFile::class,
+            CreateImageThumbnail::class
         ],
-        'App\Events\EditFile'             => [
+        EditFile::class             => [
-            'App\Listeners\Loggers\LogEditFile'
+            LogEditFile::class
         ],
-        'App\Events\CreateNewWidgetArea'  => [
+        CreateNewWidgetArea::class  => [
-            'App\Listeners\Loggers\LogNewWidgetArea'
+            LogNewWidgetArea::class
         ],
-        'App\Events\EditWidgetArea'       => [
+        EditWidgetArea::class       => [
-            'App\Listeners\Loggers\LogEditWidgetArea'
+            LogEditWidgetArea::class
         ],
-        'App\Events\DeleteWidgetArea'     => [
+        DeleteWidgetArea::class     => [
-            'App\Listeners\Loggers\LogDeleteWidgetArea'
+            LogDeleteWidgetArea::class
         ],
-        'App\Events\CreateNewWidget'      => [
+        CreateNewWidget::class      => [
-            'App\Listeners\Loggers\LogNewWidget'
+            LogNewWidget::class
         ],
-        'App\Events\EditWidget'           => [
+        EditWidget::class           => [
-            'App\Listeners\Loggers\LogEditWidget'
+            LogEditWidget::class
         ],
-        'App\Events\AssignWidget'         => [
+        AssignWidget::class         => [
-            'App\Listeners\Loggers\LogAssignWidget'
+            LogAssignWidget::class
         ],
-        'App\Events\RemoveWidgetFromArea' => [
+        RemoveWidgetFromArea::class => [
-            'App\Listeners\Loggers\LogRemoveWidgetFromArea'
+            LogRemoveWidgetFromArea::class
         ],
         // internal Laravel events - should work as auth.login and auth.logout, however it doesn't...
-        'Illuminate\Auth\Events\Login'    => [
+        Login::class                => [
-            'App\Listeners\Loggers\LogLogin'
+            LogLogin::class
         ],
-        'Illuminate\Auth\Events\Logout'   => [
+        Logout::class               => [
-            'App\Listeners\Loggers\LogLogout'
+            LogLogout::class
         ],
     ];
-
-    /**
-     * Register any other events for your application.
-     *
-     * @param  \Illuminate\Contracts\Events\Dispatcher $events
-     *
-     * @return void
-     */
-    public function boot(DispatcherContract $events)
-    {
-        parent::boot($events);
-        //
-    }
 }