manager-app/lib/Screens/login_screen.dart

import 'package:flutter/material.dart';
import 'package:manager_app/Components/loading.dart';
import 'package:manager_app/Components/message_notification.dart';
import 'package:manager_app/Components/rounded_button.dart';
import 'package:manager_app/Components/rounded_input_field.dart';
import 'package:manager_app/Components/rounded_password_field.dart';
import 'package:manager_app/Models/managerContext.dart';
import 'package:manager_app/Screens/Main/main_screen.dart';
import 'package:manager_app/app_context.dart';
import 'package:manager_app/client.dart';
import 'package:manager_app/constants.dart';
import 'package:managerapi/api.dart';
import 'package:provider/provider.dart';

class LoginScreen extends StatefulWidget {
  LoginScreen({Key key}) : super(key: key);

  @override
  _LoginScreenState createState() => _LoginScreenState();
}

class _LoginScreenState extends State<LoginScreen> {
  String email = "test@email.be"; // DEV
  String password = "kljqsdkljqsd"; // DEV
  String host = "http://192.168.31.96"; // DEV
  Client clientAPI;
  bool isLoading = false;

  void authenticateTRY(dynamic appContext) async {
    print("try auth.. ");
    print(this.email);
    print(this.password);

    clientAPI = Client(this.host);

    var isError = true;
    if (this.email != null && this.password != null && this.host != null) {

      // if () {} // Add if token exist and not null + not expired
      try {
        setState(() {
          isLoading = true;
        });
        LoginDTO loginDTO = new LoginDTO(email: email, password: password);
        TokenDTO token = await clientAPI.authenticationApi.authenticationAuthenticateWithJson(loginDTO);
        print("Token ??");
        print(token);
        print(token.accessToken);
        setAccessToken(token.accessToken);

        showNotification(Colors.lightGreen, kWhite, 'Connexion réussie', context);

        isError = false;
        // Set the appContext
        if (appContext.getContext() == null) {
          ManagerAppContext managerAppContext = new ManagerAppContext();
          // store user info locally
          managerAppContext.email = email;
          managerAppContext.token = token;
          managerAppContext.clientAPI = clientAPI;
          print(managerAppContext);

          appContext.setContext(managerAppContext);
        }

        setState(() {
          isLoading = false;
        });

        Navigator.pushAndRemoveUntil(
            context,
            MaterialPageRoute(
              builder: (context) {
                return MainScreen();
              },
            ),
                (Route<dynamic> route) => false // For pushAndRemoveUntil
        );
      }
      catch (e) {
        print("error auth");
        print(e);
        showNotification(Colors.orange, kWhite, 'Un problème est survenu lors de la connexion', context);

        setState(() {
          isLoading = false;
        });
      }
    }

    if (!isError) {
      /*UserDetailDTO user = await clientAPI.userApi.userGetDetail("6071f74aaf542f03116f2b9b");
      print("user values ??");
      print(user.email);
      print(user.id);

      List<ConfigurationDTO> configurations = await clientAPI.configurationApi.configurationGet();
      print("number of configurations " + configurations.length.toString());
      configurations.forEach((element) {
        print(element);
      });

      /*List<SectionDTO> sections = await clientAPI.sectionApi.sectionGetFromConfiguration(id);
      print("number of sections " + sections.length.toString());
      sections.forEach((element) {
        print(element);
      });*/

      SectionDTO section = await clientAPI.sectionApi.sectionGetDetail("60916249494b9eaf283b44f7");
      print(section);

      List<ResourceDTO> resources = await clientAPI.resourceApi.resourceGet();
      print("number of resources " + resources.length.toString());
      resources.forEach((element) {
        print(element);
      });

      List<DeviceDTO> devices = await clientAPI.deviceApi.deviceGet();
      print("number of devices " + devices.length.toString());
      devices.forEach((element) {
        print(element);
      });*/
    }
  }

  void setAccessToken(String accessToken) {
    clientAPI.apiApi.authentications.forEach((key, auth) {
      if (auth is OAuth) {
        auth.accessToken = accessToken;
      }
    });
  }

  @override
  Widget build(BuildContext context) {
    final appContext = Provider.of<AppContext>(context);
    Size size = MediaQuery.of(context).size;

    return Scaffold(
      body: Center(
        child: SingleChildScrollView(
          child: Container(
            height: size.height *0.5,
            width: size.width *0.5,
            decoration: BoxDecoration(
              color: kWhite,
              borderRadius: BorderRadius.circular(8.0),
              boxShadow: [
                BoxShadow(
                  color: kWhite.withOpacity(0.3),
                  spreadRadius: 0.5,
                  blurRadius: 0.5,
                  offset: Offset(0, 1.5), // changes position of shadow
                ),
              ],
            ),
            child: Padding(
              padding: const EdgeInsets.only(left: 60.0, right: 60.0),
              child: Column(
                mainAxisAlignment: MainAxisAlignment.center,
                children: <Widget>[
                  RoundedInputField(
                      hintText: "Host",
                      onChanged: (value) {
                        host = value;
                      },
                      icon: Icons.home
                  ),
                  RoundedInputField(
                    hintText: "Email",
                    onChanged: (value) {
                      email = value;
                    },
                    icon: Icons.person
                  ),
                  RoundedPasswordField(
                    onChanged: (value) {
                      password = value;
                    },
                  ),
                  SizedBox(height: size.height * 0.02),
                  !isLoading ? RoundedButton(
                    text: "LOGIN",
                    fontSize: 25,
                    press: () {
                      authenticateTRY(appContext);
                    },
                  ): Container(
                      height: size.height * 0.1,
                      child: Loading()
                  ),
                ],
              ),
            ),
          ),
        ),
      ),
    );
  }

  isValidApi(Client client) async {
    print("TEST URL");
    try {
      var configs = await client.configurationApi.configurationGet();
      return configs != null;
    } catch (ex) {
      return false;
    }
  }
}