7z reader fix

LibgenDesktop.Setup/Constants.cs

@@ -2,7 +2,7 @@
 {
     internal static class Constants
     {
-        public const string CURRENT_VERSION = "0.13.1";
+        public const string CURRENT_VERSION = "0.13.2";
         public const string PRODUCT_TITLE_FORMAT = "Libgen Desktop " + CURRENT_VERSION + " ({0}-bit)";
         public const string SHORTCUT_TITLE_FORMAT = "Libgen Desktop ({0}-bit)";
         public const string PRODUCT_COMPANY = "Libgen Apps";

LibgenDesktop/Common/Constants.cs

@@ -2,8 +2,8 @@
 {
     internal static class Constants
     {
-        public const string CURRENT_VERSION = "0.13.1";
-        public const string CURRENT_GITHUB_RELEASE_NAME = "v0.13.1 alpha";
+        public const string CURRENT_VERSION = "0.13.2";
+        public const string CURRENT_GITHUB_RELEASE_NAME = "v0.13.2 alpha";
         public const string CURRENT_DATABASE_VERSION = "0.7";
 
         public const string APP_SETTINGS_FILE_NAME = "libgen.config";

LibgenDesktop/LibgenDesktop.csproj

@@ -211,6 +211,7 @@
     <Compile Include="Models\SqlDump\ColumnType.cs" />
     <Compile Include="Models\Import\Importer.cs" />
     <Compile Include="Models\Import\NonFictionImporter.cs" />
+    <Compile Include="Models\SqlDump\PositioningStreamReader.cs" />
     <Compile Include="Models\SqlDump\SqlDumpReader.cs" />
     <Compile Include="Models\SqlDump\TableDefinition.cs" />
     <Compile Include="Models\SqlDump\TableDefinitions.cs" />

LibgenDesktop/Models/SqlDump/PositioningStreamReader.cs

@@ -0,0 +1,58 @@
+using System;
+using System.IO;
+
+namespace LibgenDesktop.Models.SqlDump
+{
+    internal class PositioningStream : Stream
+    {
+        private readonly Stream baseStream;
+        private long position;
+
+        public PositioningStream(Stream baseStream)
+        {
+            this.baseStream = baseStream;
+            position = 0;
+        }
+
+        public override bool CanRead => true;
+        public override bool CanSeek => false;
+        public override bool CanWrite => false;
+        public override long Length => throw new NotImplementedException();
+
+        public override long Position
+        {
+            get => position;
+            set => throw new NotImplementedException();
+        }
+
+        public override void Flush()
+        {
+            throw new NotImplementedException();
+        }
+
+        public override int Read(byte[] buffer, int offset, int count)
+        {
+            int result = baseStream.Read(buffer, offset, count);
+            if (result > 0)
+            {
+                position += result;
+            }
+            return result;
+        }
+
+        public override long Seek(long offset, SeekOrigin origin)
+        {
+            throw new NotImplementedException();
+        }
+
+        public override void SetLength(long value)
+        {
+            throw new NotImplementedException();
+        }
+
+        public override void Write(byte[] buffer, int offset, int count)
+        {
+            throw new NotImplementedException();
+        }
+    }
+}

LibgenDesktop/Models/SqlDump/SqlDumpReader.cs

@@ -72,7 +72,7 @@ public SqlDumpReader(string filePath)
                     sevenZipArchive = SevenZipArchive.Open(filePath);
                     SevenZipArchiveEntry firstSevenZipArchiveEntry = sevenZipArchive.Entries.First();
                     FileSize = firstSevenZipArchiveEntry.Size;
-                    streamReader = new StreamReader(firstSevenZipArchiveEntry.OpenEntryStream());
+                    streamReader = new StreamReader(new PositioningStream(firstSevenZipArchiveEntry.OpenEntryStream()));
                     break;
                 default:
                     FileSize = new FileInfo(filePath).Length;