From c5a05efdc24caa045e6e6199d7699acd89fc877c Mon Sep 17 00:00:00 2001
From: David Bomba <turbo124@gmail.com>
Date: Mon, 31 Oct 2022 07:37:52 +1100
Subject: [PATCH] Merge PDFs

---
 app/Http/Controllers/InvoiceController.php | 16 ++++++++++++++++
 app/Services/PdfMaker/PdfMerge.php         |  4 +++-
 2 files changed, 19 insertions(+), 1 deletion(-)

diff --git a/app/Http/Controllers/InvoiceController.php b/app/Http/Controllers/InvoiceController.php
index 8050c433af..5aec198f38 100644
--- a/app/Http/Controllers/InvoiceController.php
+++ b/app/Http/Controllers/InvoiceController.php
@@ -40,6 +40,7 @@ use App\Models\Invoice;
 use App\Models\Quote;
 use App\Models\TransactionEvent;
 use App\Repositories\InvoiceRepository;
+use App\Services\PdfMaker\PdfMerge;
 use App\Transformers\InvoiceTransformer;
 use App\Transformers\QuoteTransformer;
 use App\Utils\Ninja;
@@ -588,6 +589,21 @@ class InvoiceController extends BaseController
 
         }
 
+        if($action == 'merge' && auth()->user()->can('view', $invoices->first())){
+
+            $paths = $invoices->map(function ($invoice){
+                return $invoice->service()->getInvoicePdf();
+            });
+
+            $merge = (new PdfMerge($paths->toArray()))->run();
+
+
+                return response()->streamDownload(function () use ($merge) {
+                    echo ($merge);
+                }, 'print.pdf', ['Content-Type' => 'application/pdf']);
+
+        }
+
         /*
          * Send the other actions to the switch
          */
diff --git a/app/Services/PdfMaker/PdfMerge.php b/app/Services/PdfMaker/PdfMerge.php
index 67d53b1071..e4b2f50137 100644
--- a/app/Services/PdfMaker/PdfMerge.php
+++ b/app/Services/PdfMaker/PdfMerge.php
@@ -12,7 +12,9 @@
 
 namespace App\Services\PdfMaker;
 
+use Illuminate\Support\Facades\Storage;
 use \setasign\Fpdi\Fpdi;
+use setasign\Fpdi\PdfParser\StreamReader;
 
 class PdfMerge
 {
@@ -25,7 +27,7 @@ class PdfMerge
         $pdf = new FPDI();
 
         foreach ($this->file_paths as $file) {
-            $pageCount = $pdf->setSourceFile($file);
+            $pageCount = $pdf->setSourceFile(StreamReader::createByString(Storage::get($file)));
             for ($i = 0; $i < $pageCount; $i++) {
                 $tpl = $pdf->importPage($i + 1, '/MediaBox');
                 $pdf->addPage();