New export functionality.

app/Export/Collector/AttachmentCollector.php

@@ -0,0 +1,54 @@
+<?php
+/**
+ * AttachmentCollector.php
+ * Copyright (C) 2016 Sander Dorigo
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace FireflyIII\Export\Collector;
+
+use Auth;
+use Crypt;
+use FireflyIII\Models\Attachment;
+use FireflyIII\Models\ExportJob;
+use Log;
+
+/**
+ * Class AttachmentCollector
+ *
+ * @package FireflyIII\Export\Collector
+ */
+class AttachmentCollector extends BasicCollector implements CollectorInterface
+{
+    /**
+     * AttachmentCollector constructor.
+     *
+     * @param ExportJob $job
+     */
+    public function __construct(ExportJob $job)
+    {
+        parent::__construct($job);
+    }
+
+    public function run()
+    {
+        // grab all the users attachments:
+        $attachments = Auth::user()->attachments()->get();
+
+        Log::debug('Found ' . $attachments->count() . ' attachments.');
+
+        /** @var Attachment $attachment */
+        foreach ($attachments as $attachment) {
+            $originalFile = storage_path('upload') . DIRECTORY_SEPARATOR . 'at-' . $attachment->id . '.data';
+            if (file_exists($originalFile)) {
+                Log::debug('Stored 1 attachment');
+                $decrypted = Crypt::decrypt(file_get_contents($originalFile));
+                $newFile   = storage_path('export') . DIRECTORY_SEPARATOR . $this->job->key . '-Attachment nr. ' . $attachment->id . ' - ' . $attachment->filename;
+                file_put_contents($newFile, $decrypted);
+                $this->getFiles()->push($newFile);
+            }
+        }
+    }
+}