Merge pull request #324 from busslina:rel-0-8

Adding extraData argument to GridFs createFile method

Author: giorgiofran

lib/src/gridfs/grid_in.dart

@@ -11,8 +11,9 @@ class GridIn extends GridFSFile {
 
   /// Used for MD5 calculation, now deprecated
   //Uint8List contentToDigest = Uint8List(0);
-  GridIn._(GridFS fs, String filename, Stream<List<int>> inputStream)
-      : super(fs) {
+  GridIn._(GridFS fs, String filename, Stream<List<int>> inputStream,
+      [Map<String, dynamic>? extraData])
+      : super(fs, extraData) {
     id = ObjectId();
     input = ChunkHandler(chunkSize).transformer.bind(inputStream);
     uploadDate = DateTime.now();

lib/src/gridfs/gridfs.dart

@@ -40,8 +40,9 @@ class GridFS {
   Future<GridOut?> getFile(String fileName) async =>
       findOne(where.eq('filename', fileName));
 
-  GridIn createFile(Stream<List<int>> input, String filename) =>
-      GridIn._(this, filename, input);
+  GridIn createFile(Stream<List<int>> input, String filename,
+          [Map<String, dynamic>? extraData]) =>
+      GridIn._(this, filename, input, extraData);
 
   /// **Beware!** This method removes all the documents in this bucket
   Future<void> clearBucket() async {