Flutter firebase utility to upload and delete file from firebase

FirebaseUtility.dart

import 'dart:io';
import 'package:path/path.dart' as Path;
import 'package:firebase_storage/firebase_storage.dart';

class FirebaseUtility{
  static Future<String> uploadFileToFirebase(File file) async {
    try {
      
      StorageReference storageReference = FirebaseStorage.instance
          .ref()
          .child('feeds${Path.basename(file.path)}');
      StorageUploadTask uploadTask = storageReference.putFile(file);
      var snapshot = await uploadTask.onComplete;
      if (snapshot != null) {
        var url = await storageReference.getDownloadURL();
        if (url != null) {
          /// File Url 
          return url;
        }
      }
    } catch (error) {
      print(error);
      return null;
    }
  }

  /// [Delete file] from firebase storage
  static Future<void> deleteFileFRomFirebase(String url, String baseUrl) async {
    try {
      String filePath = url.replaceAll(
          new RegExp(
              r'https://firebasestorage.googleapis.com/v0/b/[PROJECT NAME IN FIREBASE].appspot.com/o/'),
          '');
      filePath = filePath.replaceAll(new RegExp(r'%2F'), '/');
      filePath = filePath.replaceAll(new RegExp(r'(\?alt).*'), '');
      StorageReference storageReference = FirebaseStorage.instance.ref();
      await storageReference.child(filePath).delete().catchError((val) {
        print('[Error]' + val);
      }).then((_) {
        print('[Sucess] Image deleted');
      });
    } catch (error) {
      print(error);
    }
  }
}