Загрузите изображение в Firebase Storage и вернитесь в URL

Question

Ну, я делаю проект для своего T CC, и мне нужно иметь возможность загрузить изображение в хранилище Firebase и вернуть URL, чтобы иметь возможность сохранить его в хасуре, потому что там банк и более реляционные nn приходит в случае, я пробовал разные способы, но я использую Slidy Mobx и NN Я не знаю, как я это делаю.

Мой код

      controller.dart

      import 'dart:io';

      import 'package:flutter/cupertino.dart';
      import 'package:flutter/material.dart';
      import 'package:image_picker/image_picker.dart';
      import 'package:mobx/mobx.dart';
      import 'package:searchdogs/app/modules/cadastro/repository/cadastro_repository.dart';
      part 'cadastro_controller.g.dart';

      class CadastroController = _CadastroBase with _$CadastroController;

      abstract class _CadastroBase with Store {
      CadastroRepository repository;



      @observable
      String email = "";

      @observable
      String senha = "";

      @observable
      String name = "";

      @observable
      String image = "";

      @observable
      String endereco = "";

      @observable
      String telefone = "";

      @observable
      File teste;

      @observable
      bool canRegister = false;

      @action
      bool verifyTextField(String text){

       if(text.isEmpty || text.length < 1){
         return false;

       }else if(text.isNotEmpty && text.length > 2){

         return true;
       }
      }

      @action

      verifyIfCanRegister(){

      bool emailValid = verifyTextField(email);
      bool passValid = verifyTextField(senha);
      bool nameValid = verifyTextField(name);
      bool telefoneValid = verifyTextField(telefone);
      bool enderecoValid = verifyTextField(endereco); 

      if(emailValid && passValid && nameValid && telefoneValid && enderecoValid){

       canRegister = true;

      }else{

        canRegister = false;
      }
      }

      @action
      void setEmailC(String _email) => email = _email;

      @action
      void setSenhaC(String _senha) => senha = _senha;

      @action
      void setNameC(String _name) => name = _name;

      @action
      void setTelefoneC(String _telefone) => telefone = _telefone;

      @action
      void setEnderecoC(String _endereco) => endereco = _endereco;

      @action
      void setImageC(String _image) => image = _image;

      @action
      Future cadastro(BuildContext context) async {
      verifyIfCanRegister();
      if(canRegister == false){
      print ("Erro Campo");
      return;

      }

      try{

      await repository.registerOnHasura(email, senha, name, image, endereco, telefone);

      }catch(e){

       String result = e.toString();

       print(e); 

       if(result.contains("ERROR_EMAIL_ALREADY_IN_USE")){

        print("Email ja esta em uso");

       }else if(result.contains("Password should be at least 6 characters")){

         print("Senha tem menos de 4 carecters");

       }
      }
      }

      _CadastroBase(this.repository);

      }

//////// ////////////////////////////////////////////////// ////////////////////////////////////////////////// ////

      Repository.dart

      import 'dart:ui';

      import 'package:firebase_auth/firebase_auth.dart';
      import 'package:firebase_storage/firebase_storage.dart';
      import 'package:flutter_modular/flutter_modular.dart';
      import 'package:hasura_connect/hasura_connect.dart';
      import 'package:searchdogs/app/modules/cadastro/cadastro_page.dart';
      import 'package:searchdogs/app/shared/users_model.dart';

      class CadastroRepository extends Disposable {
      static const String url = "https://searchdog.herokuapp.com/v1/graphql";

      final HasuraConnect connect = HasuraConnect(url);
      final FirebaseAuth _firebaseAuth = FirebaseAuth.instance;

      Future cadastroWithEmail(String email, String senha) async {

        AuthResult result = await _firebaseAuth.createUserWithEmailAndPassword(
            email: email, password: senha);

        FirebaseUser user = result.user;
        return user.uid;
      }

    Future registerOnHasura(String email, String senha, String name, String image, String endereco,                                         
    String telefone) async {
      String uid = await cadastroWithEmail(email, senha);
      String imageUrl = await uploadFile(imageUrl);

      String mutation = """
       mutation MyMutation {
            __typename
           insert_users(objects: {image: "$image", name: "$name", telefone: "$telefone", uid: "$uid",           
           endereco: "$endereco"}) {
       affected_rows
      }
      }

      """;


      var data = await connect.mutation(mutation);  

      return UsersModel.fromJson(data);

      }
      @override
      void dispose() {
      }

      getUser(e) {}
      }