Metrics for live previews

app/DataMapper/Analytics/LivePreview.php

@@ -0,0 +1,51 @@
+<?php
+/**
+ * Invoice Ninja (https://invoiceninja.com).
+ *
+ * @link https://github.com/invoiceninja/invoiceninja source repository
+ *
+ * @copyright Copyright (c) 2021. Invoice Ninja LLC (https://invoiceninja.com)
+ *
+ * @license https://www.elastic.co/licensing/elastic-license
+ */
+
+namespace App\DataMapper\Analytics;
+
+use Turbo124\Beacon\ExampleMetric\GenericCounter;
+
+class LivePreview extends GenericCounter
+{
+    /**
+     * The type of Sample.
+     *
+     * Monotonically incrementing counter
+     *
+     * 	- counter
+     *
+     * @var string
+     */
+    public $type = 'counter';
+
+    /**
+     * The name of the counter.
+     * @var string
+     */
+    public $name = 'live_preview.created';
+
+    /**
+     * The datetime of the counter measurement.
+     *
+     * date("Y-m-d H:i:s")
+     *
+     * @var DateTime
+     */
+    public $datetime;
+
+    /**
+     * The increment amount... should always be
+     * set to 0.
+     *
+     * @var int
+     */
+    public $metric = 0;
+}

app/Http/Controllers/PreviewController.php

@@ -11,6 +11,7 @@
 
 namespace App\Http\Controllers;
 
+use App\DataMapper\Analytics\LivePreview;
 use App\Factory\CreditFactory;
 use App\Factory\InvoiceFactory;
 use App\Factory\QuoteFactory;
@@ -42,6 +43,7 @@ use Illuminate\Support\Facades\App;
 use Illuminate\Support\Facades\DB;
 use Illuminate\Support\Facades\Lang;
 use Illuminate\Support\Facades\Response;
+use Turbo124\Beacon\Facades\LightLogs;
 
 class PreviewController extends BaseController
 {
@@ -265,8 +267,16 @@ class PreviewController extends BaseController
             $file_path = PreviewPdf::dispatchNow($maker->getCompiledHTML(true), auth()->user()->company());
 
 
+            if(Ninja::isHosted())
+            {
+                LightLogs::create(new LivePreview())
+                         ->increment()
+                         ->batch();
+            }
+
+
         $response = Response::make($file_path, 200);
-        $response->headers->set('Content-Type', 'application/pdf');
+        $response->header('Content-Type', 'application/pdf');
 
         return $response;