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class MyHomePage extends StatefulWidget {
  @override
  _MyHomePageState createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  bool isChecked = false;

  @override
  Widget build(BuildContext context) {

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enum AuthResultStatus {
  successful,
  emailAlreadyExists,
  wrongPassword,
  invalidEmail,
  userNotFound,
  userDisabled,
  operationNotAllowed,
  tooManyRequests,
  undefined,

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class AuthExceptionHandler {
  static handleException(e) {
    print(e.code);
    var status;
    switch (e.code) {
      case "ERROR_INVALID_EMAIL":
        status = AuthResultStatus.invalidEmail;
        break;
      case "ERROR_WRONG_PASSWORD":
        status = AuthResultStatus.wrongPassword;

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class FirebaseAuthHelper {
  final _auth = FirebaseAuth.instance;
  AuthResultStatus _status;

  ///
  /// Helper Functions
  ///

  Future<void> createAccount({email, pass}) async {
    try {

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_createAccount() async {
      final status = await FirebaseAuthHelper().createAccount(
          email: email, pass: password);
      if (status == AuthResultStatus.successful) {
        // Navigate to success page
        } else {
        final errorMsg = AuthExceptionHandler.generateExceptionMessage(
            status);
        _showAlertDialog(errorMsg);
      }

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import 'package:flutter/material.dart';
import 'package:geolocator/geolocator.dart';

class LocationService {
  
  /// BuildContext is used to show alert dialog later.
  BuildContext context;

  LocationService(this.context);

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<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.maps_blog_part1">
    <!-- io.flutter.app.FlutterApplication is an android.app.Application that
         calls FlutterMain.startInitialization(this); in its onCreate method.
         In most cases you can leave this as-is, but you if you want to provide
         additional functionality it is fine to subclass or reimplement
         FlutterApplication and put your custom class here. -->
    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/>
    <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION"/>
    <application

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import 'package:flutter/material.dart';
import 'package:geolocator/geolocator.dart';
import 'package:maps_blog_part1/services/location_service.dart';

class CurrentLocationExample extends StatefulWidget {
  @override
  _CurrentLocationExampleState createState() => _CurrentLocationExampleState();
}

class _CurrentLocationExampleState extends State<CurrentLocationExample> {

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import 'package:flutter/material.dart';
import 'package:geolocator/geolocator.dart';
import 'package:maps_blog_part1/services/location_service.dart';

class RealtimeLocationUpdateExample extends StatefulWidget {
  @override
  _RealtimeLocationUpdateExampleState createState() =>
      _RealtimeLocationUpdateExampleState();
}

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Build A Small Ecommerce App - AntonX Full Stack Task

Backend Technologies to be Used

Express and Sequelize (MySQL)

Backend Requirements

1. Make two tables users and shops via migrations in the database.
2. users table must contain name, email, password(must be hashed), role(ENUM type having User, Admin values), createdAt and updatedAt fields.
3. While shops table must contain name, description, fk_user_id(foreign key of users table), address, createdAt, and updatedAt fields.
4. There should be one to many relationship between users and shops.i.e. one user can have multiple shops.