Fix stream reader params and CopyToAsync

Author: abuzuhri

Source/FikaAmazonAPI/ReportGeneration/ReportDataTable/Table.cs

@@ -61,7 +61,8 @@ public static Table ConvertFromCSV(string path, char separator = '\t', Encoding
 
         public static Table ConvertFromCSV(Stream stream, char separator = '\t', Encoding encoding = default)
         {
-            using var reader = new StreamReader(stream, encoding ?? Encoding.UTF8, leaveOpen: true);
+            using var reader = new StreamReader(stream, encoding ?? Encoding.UTF8,
+                detectEncodingFromByteOrderMarks: true, bufferSize: 1024, leaveOpen: true);
             var lines = new List<string>();
             while (!reader.EndOfStream)
                 lines.Add(reader.ReadLine());

Source/FikaAmazonAPI/ReportGeneration/ReportParser.cs

@@ -47,7 +47,8 @@ internal static List<T> ParseCsvLines<T>(Stream stream, Func<string, string, T>
                 return new List<T>();
 
             stream.Position = 0;
-            using var reader = new StreamReader(stream, encoding ?? Encoding.UTF8, leaveOpen: true);
+            using var reader = new StreamReader(stream, encoding ?? Encoding.UTF8,
+                detectEncodingFromByteOrderMarks: true, bufferSize: 1024, leaveOpen: true);
             var lines = new List<string>();
             while (!reader.EndOfStream)
                 lines.Add(reader.ReadLine());

Source/FikaAmazonAPI/Services/ReportService.cs

@@ -303,7 +303,7 @@ private async Task<MemoryStream> GetFileStreamAsync(ReportDocument reportDocumen
                     stream = new GZipStream(stream, CompressionMode.Decompress);
 
                 var memoryStream = new MemoryStream();
-                await stream.CopyToAsync(memoryStream, cancellationToken);
+                await stream.CopyToAsync(memoryStream, 81920, cancellationToken);
                 memoryStream.Position = 0;
 
                 return memoryStream;