uploadFileByShareToken method

Implementation

@override
Future<String> uploadFileByShareToken({
  required String localPath,
  required String shareToken,
  Map<String, dynamic>? metadata,
}) {
  return _executeRequest(
    () async {
      final accessToken = await _getAccessToken();
      // 1. Resolve the share URL to get the file's stable driveId and itemId.
      final resolvedInfo = await _resolveShareUrlForUpload(shareToken);
      if (resolvedInfo == null) {
        throw Exception(
            'Could not resolve the provided sharing URL for upload.');
      }
      // 2. Construct the Graph API URL to overwrite the file's content using its resolved IDs.
      final uploadUri = Uri.parse(
          'https://graph.microsoft.com/v1.0/drives/${resolvedInfo.driveId}/items/${resolvedInfo.itemId}/content');
      final fileBytes = await File(localPath).readAsBytes();
      // 3. Perform a PUT request with the file bytes to replace the content.
      final uploadResponse = await http.put(
        uploadUri,
        headers: {
          'Authorization': 'Bearer $accessToken',
          'Content-Type':
              'application/octet-stream', // Generic byte stream type.
        },
        body: fileBytes,
      );
      // A 200 or 201 status indicates a successful upload.
      if (uploadResponse.statusCode >= 200 &&
          uploadResponse.statusCode < 300) {
        debugPrint('Successfully uploaded file to shared URL location.');
        return shareToken; // Return the original token on success.
      } else {
        throw Exception(
            'Failed to upload file content. Status: ${uploadResponse.statusCode}, Body: ${uploadResponse.body}');
      }
    },
    operation: 'uploadToSharedUrl: $shareToken',
  );
}