Merge pull request #86 from Nemmo/event-after-attach

#69 Add event after attach files

README.md

@@ -135,6 +135,21 @@ Usage
     }
     ```
 
+Using Events
+------------
+You may add the following function to your model
+
+```php
+public function init(){
+    $this->on(\nemmo\attachments\behaviors\FileBehavior::EVENT_AFTER_ATTACH_FILES, function ($event) {
+        /** @var $files \nemmo\attachments\models\File[] */
+        $files = $event->files;
+        //your custom code
+    });
+    parent::init();
+}
+```
+
 Change log
 ----------
 

src/behaviors/FileBehavior.php

@@ -8,6 +8,7 @@
 
 namespace nemmo\attachments\behaviors;
 
+use nemmo\attachments\events\FileEvent;
 use nemmo\attachments\models\File;
 use nemmo\attachments\ModuleTrait;
 use yii\base\Behavior;
@@ -21,6 +22,8 @@ class FileBehavior extends Behavior
 {
     use ModuleTrait;
 
+    const EVENT_AFTER_ATTACH_FILES = 'afterAttachFiles';
+
     public function events()
     {
         return [
@@ -43,11 +46,18 @@ public function saveUploads($event)
         }
 
         $userTempDir = $this->getModule()->getUserDirPath();
+        $attachedFiles = [];
         foreach (FileHelper::findFiles($userTempDir) as $file) {
-            if (!$this->getModule()->attachFile($file, $this->owner)) {
+            if (!($attachedFile = $this->getModule()->attachFile($file, $this->owner))) {
                 throw new \Exception(\Yii::t('yii', 'File upload failed.'));
+            }else{
+                $attachedFiles[] = $attachedFile;
             }
         }
+        if(count($attachedFiles)){
+            $event = \Yii::createObject(['class' => FileEvent::class, 'files' => $attachedFiles]);
+            $this->owner->trigger(self::EVENT_AFTER_ATTACH_FILES, $event);
+        }
         rmdir($userTempDir);
     }
 

src/events/FileEvent.php

@@ -0,0 +1,29 @@
+<?php
+
+namespace nemmo\attachments\events;
+
+use yii\base\Event;
+
+class FileEvent extends Event
+{
+    /**
+     * @var nemmo\attachments\models\File[]
+     */
+    private $_files;
+
+    /**
+     * @return nemmo\attachments\models\File[]
+     */
+    public function getFiles()
+    {
+        return $this->_files;
+    }
+
+    /**
+     * @param nemmo\attachments\models\File[] $files
+     */
+    public function setFiles($files)
+    {
+        $this->_files = $files;
+    }
+}