fix: Check if stream can seek during import (#36)

alexeyshibanov · web-flow · commit 5a807f8c4b01 · 2025-07-14T16:36:15.000+02:00
diff --git a/src/VirtoCommerce.ImportModule.CsvHelper/CsvDataReader.cs b/src/VirtoCommerce.ImportModule.CsvHelper/CsvDataReader.cs
@@ -56,9 +56,10 @@ public virtual async Task<int> GetTotalCountAsync(ImportContext context)
                 return _totalCount.Value;
             }
 
-            var streamPosition = _stream.Position;
+            var streamPosition = 0L;
             if (_stream.CanSeek)
             {
+                streamPosition = _stream.Position;
                 _stream.Seek(0, SeekOrigin.Begin);
             }
 

Original file line number	Diff line number	Diff line change
`@@ -56,9 +56,10 @@ public virtual async Task<int> GetTotalCountAsync(ImportContext context)`
`56`	`56`	`return _totalCount.Value;`
`57`	`57`	`}`
`58`	`58`
`59`		`- var streamPosition = _stream.Position;`
	`59`	`+ var streamPosition = 0L;`
`60`	`60`	`if (_stream.CanSeek)`
`61`	`61`	`{`
	`62`	`+ streamPosition = _stream.Position;`
`62`	`63`	`_stream.Seek(0, SeekOrigin.Begin);`
`63`	`64`	`}`
`64`	`65`