v5.0.0 update

app/Http/Controllers/V1/Admin/Estimate/SendEstimatePreviewController.php

@@ -0,0 +1,26 @@
+<?php
+
+namespace Crater\Http\Controllers\V1\Admin\Estimate;
+
+use Crater\Http\Controllers\Controller;
+use Crater\Http\Requests\SendEstimatesRequest;
+use Crater\Models\Estimate;
+use Illuminate\Mail\Markdown;
+
+class SendEstimatePreviewController extends Controller
+{
+    /**
+    * Handle the incoming request.
+    *
+    * @param  \Crater\Http\Requests\SendEstimatesRequest  $request
+    * @return \Illuminate\Http\JsonResponse
+    */
+    public function __invoke(SendEstimatesRequest $request, Estimate $estimate)
+    {
+        $this->authorize('send estimate', $estimate);
+
+        $markdown = new Markdown(view(), config('mail.markdown'));
+
+        return $markdown->render('emails.send.estimate', ['data' => $estimate->sendEstimateData($request->all())]);
+    }
+}