From 40076f0ec2e1f04c80cbdd4a8c993937d6d352d8 Mon Sep 17 00:00:00 2001
From: ngfrolov <ng.frolov@autodrilling.ru>
Date: Wed, 15 Feb 2023 17:15:09 +0500
Subject: [PATCH] remove deprecated iTextSharp

---
 .../AsbCloudInfrastructure.csproj             |  1 -
 .../DrillingProgram/Convert/ConvertToPdf.cs   | 28 ++++++++-----------
 2 files changed, 12 insertions(+), 17 deletions(-)

diff --git a/AsbCloudInfrastructure/AsbCloudInfrastructure.csproj b/AsbCloudInfrastructure/AsbCloudInfrastructure.csproj
index 1a8e2432..500299b9 100644
--- a/AsbCloudInfrastructure/AsbCloudInfrastructure.csproj
+++ b/AsbCloudInfrastructure/AsbCloudInfrastructure.csproj
@@ -41,7 +41,6 @@
     <PackageReference Include="ClosedXML" Version="0.96.0" />
     <PackageReference Include="FluentValidation.AspNetCore" Version="11.2.2" />
     <PackageReference Include="itext7" Version="7.2.3" />
-    <PackageReference Include="iTextSharp" Version="5.5.13.3" />
     <PackageReference Include="Mapster" Version="7.3.0" />
     <PackageReference Include="Microsoft.Extensions.Hosting" Version="6.0.1" />
     <PackageReference Include="Microsoft.IdentityModel.Tokens" Version="6.23.1" />
diff --git a/AsbCloudInfrastructure/Services/DrillingProgram/Convert/ConvertToPdf.cs b/AsbCloudInfrastructure/Services/DrillingProgram/Convert/ConvertToPdf.cs
index b7751ba4..94925daf 100644
--- a/AsbCloudInfrastructure/Services/DrillingProgram/Convert/ConvertToPdf.cs
+++ b/AsbCloudInfrastructure/Services/DrillingProgram/Convert/ConvertToPdf.cs
@@ -1,12 +1,12 @@
-using iTextSharp.text;
-using iTextSharp.text.pdf;
-using System.Collections.Generic;
+using System.Collections.Generic;
 using System.IO;
 using System.Linq;
 using CliWrap;
 using System.Threading.Tasks;
 using System.Threading;
 using System;
+using iText.Kernel.Pdf;
+using iText.Kernel.Utils;
 
 namespace AsbCloudInfrastructure.Services.DrillingProgram.Convert
 {
@@ -17,21 +17,17 @@ namespace AsbCloudInfrastructure.Services.DrillingProgram.Convert
 
         private static void MergeFiles(IEnumerable<string> inputFiles, string outFile)
         {
-            using var stream = new FileStream(outFile, FileMode.Create);
-            using var doc = new Document();
-            using var pdf = new PdfCopy(doc, stream);
-            doc.Open();
-            var inputFilesList = inputFiles.ToList();
-            foreach (var file in inputFilesList)
+            using var docResult = new PdfDocument(new PdfWriter(outFile));
+            var merger = new PdfMerger(docResult);
+            
+            foreach (var fileName in inputFiles)
             {
-                var reader = new PdfReader(file);
-                for (int i = 0; i < reader.NumberOfPages; i++)
-                {
-                    pdf.AddPage(pdf.GetImportedPage(reader, i + 1));
-                }
-                pdf.FreeReader(reader);
-                reader.Close();
+                using var doc = new PdfDocument(new PdfReader(fileName));
+                merger.Merge(doc, 1, doc.GetNumberOfPages());
+                doc.Close();             
             };
+            
+            docResult.Close();
         }
 
         private static (string programFile, string programArg) GetOptionsStartupProcess (string inputFileName, string resultFileDir)