Improve proposal PDF rendering

app/Http/Controllers/BaseController.php

@@ -50,4 +50,21 @@ class BaseController extends Controller
             return redirect("{$entityTypes}");
         }
     }
+
+    protected function downloadResponse($filename, $contents, $type = 'application/pdf')
+    {
+        header('Content-Type: ' . $type);
+        header('Content-Length: ' . strlen($contents));
+
+        if (! request()->debug) {
+            header('Content-disposition: attachment; filename="' . $filename . '"');
+        }
+
+        header('Cache-Control: public, must-revalidate, max-age=0');
+        header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
+
+        echo $contents;
+
+        exit;
+    }
 }

app/Http/Controllers/ClientPortalProposalController.php

@@ -2,11 +2,11 @@
 
 namespace App\Http\Controllers;
 
-use mPDF;
 use App\Models\Account;
 use App\Models\Document;
 use App\Models\Invitation;
 use App\Ninja\Repositories\ProposalRepository;
+use App\Jobs\ConvertProposalToPdf;
 
 class ClientPortalProposalController extends BaseController
 {
@@ -39,7 +39,11 @@ class ClientPortalProposalController extends BaseController
             'proposalInvitation' => $invitation,
         ];
 
-        return view('invited.proposal', $data);
+        if (request()->phantomjs) {
+            return $proposal->present()->htmlDocument;
+        } else {
+            return view('invited.proposal', $data);
+        }
     }
 
     public function downloadProposal($invitationKey)
@@ -50,9 +54,9 @@ class ClientPortalProposalController extends BaseController
 
         $proposal = $invitation->proposal;
 
-        $mpdf = new mPDF();
-        $mpdf->WriteHTML($proposal->present()->htmlDocument);
-        $mpdf->Output($proposal->present()->filename, 'D');
+        $pdf = dispatch(new ConvertProposalToPdf($proposal));
+
+        $this->downloadResponse($proposal->getFilename(), $pdf);
     }
 
     public function getProposalImage($accountKey, $documentKey)

app/Http/Controllers/ProposalController.php

@@ -6,6 +6,7 @@ use App\Http\Requests\CreateProposalRequest;
 use App\Http\Requests\ProposalRequest;
 use App\Http\Requests\UpdateProposalRequest;
 use App\Jobs\SendInvoiceEmail;
+use App\Jobs\ConvertProposalToPdf;
 use App\Models\Invoice;
 use App\Models\Proposal;
 use App\Models\ProposalTemplate;
@@ -17,7 +18,6 @@ use Auth;
 use Input;
 use Session;
 use View;
-use mPDF;
 
 class ProposalController extends BaseController
 {
@@ -167,14 +167,8 @@ class ProposalController extends BaseController
     {
         $proposal = $request->entity();
 
-        $mpdf = new mPDF();
-        //$mpdf->showImageErrors = config('app.debug');
-        $mpdf->WriteHTML($proposal->present()->htmlDocument);
+        $pdf = dispatch(new ConvertProposalToPdf($proposal));
 
-        if ($request->debug) {
-            $mpdf->Output();
-        } else {
-            $mpdf->Output($proposal->present()->filename, 'D');
-        }
+        $this->downloadResponse($proposal->getFilename(), $pdf);
     }
 }

app/Jobs/ConvertProposalToPdf.php

@@ -0,0 +1,25 @@
+<?php
+
+namespace App\Jobs;
+
+use App\Jobs\Job;
+use App\Libraries\CurlUtils;
+
+class ConvertProposalToPdf extends Job
+{
+    public function __construct($proposal)
+    {
+        $this->proposal = $proposal;
+    }
+
+    public function handle()
+    {
+        $proposal = $this->proposal;
+        $url = $proposal->getHeadlessLink();
+
+        $filename = sprintf('%s/storage/app/%s.pdf', base_path(), strtolower(str_random(RANDOM_KEY_LENGTH)));
+        $pdf = CurlUtils::renderPDF($url, $filename);
+
+        return $pdf;
+    }
+}

app/Libraries/CurlUtils.php

@@ -66,4 +66,32 @@ class CurlUtils
             return false;
         }
     }
+
+    public static function renderPDF($url, $filename)
+    {
+        if (! $path = env('PHANTOMJS_BIN_PATH')) {
+            return false;
+        }
+
+        $client = Client::getInstance();
+        $client->isLazy();
+        $client->getEngine()->addOption("--load-images=true");
+        $client->getEngine()->setPath($path);
+
+        $request = $client->getMessageFactory()->createPdfRequest($url, 'GET');
+        $request->setOutputFile($filename);
+        //$request->setOrientation('landscape');
+        $request->setMargin('0');
+
+        $response = $client->getMessageFactory()->createResponse();
+        $client->send($request, $response);
+
+        if ($response->getStatus() === 200) {
+            $pdf = file_get_contents($filename);
+            unlink($filename);
+            return $pdf;
+        } else {
+            return false;
+        }
+    }
 }

app/Models/Proposal.php

@@ -96,6 +96,25 @@ class Proposal extends EntityModel
     {
         return $this->invoice->invoice_number;
     }
+
+    public function getLink($forceOnsite = false, $forcePlain = false)
+    {
+        $invitation = $this->invitations->first();
+
+        return $invitation->getLink('proposal', $forceOnsite, $forcePlain);
+    }
+
+    public function getHeadlessLink()
+    {
+        return sprintf('%s?phantomjs=true&phantomjs_secret=%s', $this->getLink(true, true), env('PHANTOMJS_SECRET'));
+    }
+
+    public function getFilename($extension = 'pdf')
+    {
+        $entityType = $this->getEntityType();
+
+        return trans('texts.proposal') . '_' . $this->invoice->invoice_number . '.' . $extension;
+    }
 }
 
 Proposal::creating(function ($project) {

storage/templates/clean.css

@@ -11,6 +11,7 @@ body {
 }
 
 .blue-upper {
+	padding-bottom: 8px;
 	font-size: 11px;
 	letter-spacing: 3px;
 	text-transform: uppercase;
@@ -94,7 +95,7 @@ a.button:hover {
 }
 
 table td {
-	padding: 20px 30px;
+	padding: 20px;
 }
 
 tr.top-header {
@@ -122,10 +123,6 @@ tr.top-header p {
 	padding: 0 0 120px 0;
 }
 
-.card-content {
-	padding: 80px 30px;
-}
-
 tr.block-quote {
 	margin: 50px 0 ;
 }