Added generateUrl method for getting assets (#3258)

* Added generateUrl method for getting assets

* Fix return types

app/Helpers/GenerateUrl.php

@@ -0,0 +1,32 @@
+<?php
+
+use App\Models\Document;
+use Illuminate\Support\Facades\Storage;
+
+/**
+ * Invoice Ninja (https://invoiceninja.com)
+ *
+ * @link https://github.com/invoiceninja/invoiceninja source repository
+ *
+ * @copyright Copyright (c) 2020. Invoice Ninja LLC (https://invoiceninja.com)
+ *
+ * @license https://opensource.org/licenses/AAL
+ */
+
+ /**
+  * Generate url for the asset.
+  *
+  * @param Document $document
+  * @param boolean $absolute
+  * @return string|null
+  */
+function generateUrl(Document $document, $absolute = false)
+{
+    $url = Storage::disk($document->disk)->url($document->path);
+
+    if($url && $absolute) return url($url);
+
+    if ($url) return $url;
+
+    return null;
+}

tests/Integration/UploadFileTest.php

@@ -47,5 +47,10 @@ class UploadFileTest extends TestCase
         );
 
         $this->assertNotNull($document);
+
+        print_r([
+            'relative' => generateUrl($document),
+            'full' => generateUrl($document, true)
+        ]);
     }
 }