I hope that is first and final commit

app/src/main/java/ru/myitschool/work/ui/Constants.java

@@ -0,0 +1,6 @@
+package ru.myitschool.work.ui;
+
+public class Constants {
+    public static String KEY_LOGIN = "login";
+    public static String KEY_RESULT = "result";
+}

app/src/main/java/ru/myitschool/work/ui/Door.java

@@ -0,0 +1,20 @@
+package ru.myitschool.work.ui;
+
+import com.google.gson.annotations.SerializedName;
+
+public class Door {
+    @SerializedName("value")
+    private String code;
+
+    public Door(String code) {
+        this.code = code;
+    }
+
+    public String getCode() {
+        return code;
+    }
+
+    public void setCode(String code) {
+        this.code = code;
+    }
+}

app/src/main/java/ru/myitschool/work/ui/InformationFragment.java

@@ -0,0 +1,137 @@
+package ru.myitschool.work.ui;
+
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.Toast;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.fragment.app.Fragment;
+import androidx.fragment.app.FragmentResultListener;
+
+import com.squareup.picasso.Picasso;
+
+import retrofit2.Call;
+import retrofit2.Callback;
+import retrofit2.Response;
+import retrofit2.Retrofit;
+import retrofit2.converter.gson.GsonConverterFactory;
+import ru.myitschool.work.R;
+import ru.myitschool.work.databinding.FragmentInformationBinding;
+import ru.myitschool.work.ui.qr.scan.QrScanDestination;
+import ru.myitschool.work.ui.qr.scan.QrScanFragment;
+
+public class InformationFragment extends Fragment {
+    FragmentInformationBinding binding;
+    SharedPreferences sharedPreferences;
+
+    @Nullable
+    @Override
+    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
+        binding = FragmentInformationBinding.inflate(inflater, container, false);
+        return binding.getRoot();
+    }
+
+    @Override
+    public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
+        super.onViewCreated(view, savedInstanceState);
+
+        sharedPreferences = getContext().getSharedPreferences(getString(R.string.app_name), Context.MODE_PRIVATE);
+
+        getInformation();
+
+        binding.refresh.setOnClickListener(view1 -> {
+            onClickRefresh();
+        });
+
+        binding.scan.setOnClickListener(view1 -> {
+            onClickScan();
+        });
+
+        binding.logout.setOnClickListener(view2 -> {
+            onClickLogout();
+        });
+
+        //getParentFragmentManager()
+        requireActivity().getSupportFragmentManager().setFragmentResultListener(QrScanDestination.REQUEST_KEY, getViewLifecycleOwner(), (requestKey, result) -> {
+            String res = "";
+            if (result.get(requestKey) != null) {
+                res = result.get(requestKey).toString();
+            }
+            //Toast.makeText(getContext(), res, Toast.LENGTH_LONG).show();
+
+
+
+            ResultFragment resFragment = ResultFragment.newInstance(res);
+            getFragmentManager().beginTransaction().replace(R.id.nav_host_fragment, resFragment).commit();
+        });
+    }
+
+    private void onClickRefresh() {
+        getInformation();
+    }
+
+    private void onClickScan() {
+        getFragmentManager().beginTransaction().replace(R.id.nav_host_fragment, new QrScanFragment()).commit();
+    }
+
+    private void onClickLogout() {
+        sharedPreferences.edit().clear().apply();
+        getFragmentManager().beginTransaction().replace(R.id.nav_host_fragment, new LoginFragment()).commit();
+    }
+
+    private void getInformation() {
+        Retrofit retrofit = new Retrofit.Builder()
+                .baseUrl(ru.myitschool.work.core.Constants.SERVER_ADDRESS)
+                .addConverterFactory(GsonConverterFactory.create())
+                .build();
+
+        StoreAPI storeApi = retrofit.create(StoreAPI.class);
+
+        String login = sharedPreferences.getString(Constants.KEY_LOGIN, "");
+
+        Call<User> call = storeApi.informationUser(login);
+        call.enqueue(new Callback<User>() {
+            @Override
+            public void onResponse(Call<User> call, Response<User> response) {
+                if (response.isSuccessful()) {
+                    if (response.body() != null) {
+                        User user = response.body();
+                        binding.fullname.setText(user.getName());
+                        binding.position.setText(user.getPosition());
+                        binding.lastEntry.setText(user.getLastVisit().substring(0, 10) + " " + user.getLastVisit().substring(11, 16));
+                        Picasso.get().load(user.getPhoto()).into(binding.photo);
+                    } else {
+                        takeError();
+                    }
+                } else if (response.code() == 401) {
+                    takeError();
+                } else if (response.code() == 400) {
+                    takeError();
+                } else {
+                    takeError();
+                }
+            }
+
+            @Override
+            public void onFailure(Call<User> call, Throwable t) {
+                takeError();
+            }
+        });
+    }
+
+    private void takeError() {
+        //binding.photo.setVisibility(View.GONE);
+        binding.fullname.setVisibility(View.GONE);
+        binding.lastEntry.setVisibility(View.GONE);
+        binding.position.setVisibility(View.GONE);
+        //binding.logout.setVisibility(View.GONE);
+        binding.scan.setVisibility(View.GONE);
+
+        binding.error.setVisibility(View.VISIBLE);
+    }
+}

app/src/main/java/ru/myitschool/work/ui/LoginFragment.java

@@ -0,0 +1,121 @@
+package ru.myitschool.work.ui;
+
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.os.Bundle;
+import android.text.Editable;
+import android.text.TextWatcher;
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.fragment.app.Fragment;
+
+import retrofit2.Call;
+import retrofit2.Callback;
+import retrofit2.Response;
+import retrofit2.Retrofit;
+import retrofit2.converter.gson.GsonConverterFactory;
+import ru.myitschool.work.R;
+import ru.myitschool.work.core.Constants;
+import ru.myitschool.work.databinding.FragmentLoginBinding;
+
+public class LoginFragment extends Fragment {
+
+    FragmentLoginBinding binding;
+    SharedPreferences sharedPreferences;
+
+    @Nullable
+    @Override
+    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
+        binding = FragmentLoginBinding.inflate(inflater, container, false);
+        return binding.getRoot();
+    }
+
+    @Override
+    public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
+        super.onViewCreated(view, savedInstanceState);
+
+        //binding.log.setText("created");
+        sharedPreferences = getContext().getSharedPreferences(getString(R.string.app_name), Context.MODE_PRIVATE);
+        //sharedPreferences.edit().putString(ru.myitschool.work.ui.Constants.KEY_LOGIN, "5user").apply();
+        binding.login.setEnabled(false);
+        binding.username.addTextChangedListener(new TextWatcher() {
+            @Override
+            public void beforeTextChanged(CharSequence charSequence, int i, int i1, int i2) {
+
+            }
+
+            @Override
+            public void onTextChanged(CharSequence charSequence, int i, int i1, int i2) {
+                if (binding.username.getText().length() >= 3 && binding.username.getText().toString().matches("[0-9a-zA-Z]+") && (binding.username.getText().toString().charAt(0) + "").matches("[0-9]+")) {
+                    binding.login.setEnabled(true);
+                    //binding.log.setText("changed true");
+                } else {
+                    binding.login.setEnabled(false);
+                    //binding.log.setText("changed false");
+                }
+                //Log.d("tagg", "changed");
+                if (binding.error.getVisibility() == View.VISIBLE) {
+                    binding.error.setVisibility(View.GONE);
+                }
+            }
+
+            @Override
+            public void afterTextChanged(Editable editable) {
+
+            }
+        });
+
+        binding.login.setOnClickListener(view1 -> {
+            if (binding.login.isEnabled()) {
+                if (binding.error.getVisibility() == View.VISIBLE) {
+                    binding.error.setVisibility(View.GONE);
+                    //binding.log.setText("click enabled");
+                }
+                //binding.log.setText("click");
+                onClickLogin();
+            }
+        });
+    }
+
+    private void onClickLogin() {
+        Retrofit retrofit = new Retrofit.Builder()
+                .baseUrl(Constants.SERVER_ADDRESS)
+                .addConverterFactory(GsonConverterFactory.create())
+                .build();
+
+        StoreAPI storeApi = retrofit.create(StoreAPI.class);
+
+        String login = binding.username.getText().toString();
+
+        Call<Boolean> call = storeApi.authenticateUser(login);
+        call.enqueue(new Callback<Boolean>() {
+            @Override
+            public void onResponse(Call<Boolean> call, Response<Boolean> response) {
+                if (response.isSuccessful()) {
+                    if (response.body() != null && response.body()) {
+                        sharedPreferences.edit().putString(ru.myitschool.work.ui.Constants.KEY_LOGIN, binding.username.getText().toString()).apply();
+                        getFragmentManager().beginTransaction().replace(R.id.nav_host_fragment, new InformationFragment()).commit();
+                    } else {
+                        binding.error.setVisibility(View.VISIBLE);
+                    }
+                } else if (response.code() == 401) {
+                    binding.error.setVisibility(View.VISIBLE);
+                } else if (response.code() == 400) {
+                    binding.error.setVisibility(View.VISIBLE);
+                } else {
+                    binding.error.setVisibility(View.VISIBLE);
+                }
+            }
+
+            @Override
+            public void onFailure(Call<Boolean> call, Throwable t) {
+                binding.error.setVisibility(View.VISIBLE);
+            }
+        });
+    }
+}

app/src/main/java/ru/myitschool/work/ui/ResultFragment.java

@@ -0,0 +1,100 @@
+package ru.myitschool.work.ui;
+
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.fragment.app.Fragment;
+
+import java.util.Objects;
+
+import retrofit2.Call;
+import retrofit2.Callback;
+import retrofit2.Response;
+import retrofit2.Retrofit;
+import retrofit2.converter.gson.GsonConverterFactory;
+import ru.myitschool.work.R;
+import ru.myitschool.work.databinding.FragmentResultBinding;
+
+public class ResultFragment extends Fragment {
+    FragmentResultBinding binding;
+    SharedPreferences sharedPreferences;
+    Door door;
+
+    public static ResultFragment newInstance(String data) {
+        ResultFragment fragment = new ResultFragment();
+        Bundle args = new Bundle();
+        args.putString(Constants.KEY_RESULT, data);
+        fragment.setArguments(args);
+        return fragment;
+    }
+    
+    @Nullable
+    @Override
+    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
+        binding = FragmentResultBinding.inflate(inflater, container, false);
+        return super.onCreateView(inflater, container, savedInstanceState);
+    }
+
+    @Override
+    public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
+        super.onViewCreated(view, savedInstanceState);
+        sharedPreferences = getContext().getSharedPreferences(getString(R.string.app_name), Context.MODE_PRIVATE);
+
+        if (getArguments() != null) {
+            door = new Door(getArguments().getString(Constants.KEY_RESULT, ""));
+        } else {
+            door = new Door("");
+        }
+        if (Objects.equals(door.getCode(), "")) {
+            binding.result.setText(getText(R.string.cancelled));
+        } else {
+            patchDoor();
+        }
+
+        binding.close.setOnClickListener(view1 -> {
+            onClickClose();
+        });
+    }
+
+    private void onClickClose() {
+        getFragmentManager().beginTransaction().replace(R.id.nav_host_fragment, new InformationFragment()).commit();
+    }
+
+    private void patchDoor() {
+        Retrofit retrofit = new Retrofit.Builder()
+                .baseUrl(ru.myitschool.work.core.Constants.SERVER_ADDRESS)
+                .addConverterFactory(GsonConverterFactory.create())
+                .build();
+
+        StoreAPI storeApi = retrofit.create(StoreAPI.class);
+
+        String login = sharedPreferences.getString(Constants.KEY_LOGIN, "");
+
+        Call<Void> call = storeApi.openDoor(login, door);
+        call.enqueue(new Callback<Void>() {
+            @Override
+            public void onResponse(Call<Void> call, Response<Void> response) {
+                if (response.isSuccessful()) {
+                    binding.result.setText(getText(R.string.success));
+                } else if (response.code() == 401) {
+                    binding.result.setText(getText(R.string.wrong));
+                } else if (response.code() == 400) {
+                    binding.result.setText(getText(R.string.wrong));
+                } else {
+                    binding.result.setText(getText(R.string.wrong));
+                }
+            }
+
+            @Override
+            public void onFailure(Call<Void> call, Throwable t) {
+                binding.result.setText(getText(R.string.wrong));
+            }
+        });
+    }
+}

app/src/main/java/ru/myitschool/work/ui/RootActivity.kt

@@ -1,6 +1,9 @@
 package ru.myitschool.work.ui
 
+import android.content.Context
+import android.content.SharedPreferences
 import android.os.Bundle
+import android.widget.Toast
 import androidx.activity.OnBackPressedCallback
 import androidx.appcompat.app.AppCompatActivity
 import androidx.navigation.createGraph
@@ -31,17 +34,41 @@ class RootActivity : AppCompatActivity() {
             ) {
                 fragment<LoginFragment, LoginDestination>()
                 fragment<QrScanFragment, QrScanDestination>()
+                fragment<ru.myitschool.work.ui.LoginFragment, LoginDestination>()
+                fragment<ResultFragment, LoginDestination>()
             }
         }
 
-        onBackPressedDispatcher.addCallback(
+        val sharedPreferences = getSharedPreferences(getString(R.string.app_name), Context.MODE_PRIVATE)
+        val login = sharedPreferences.getString(Constants.KEY_LOGIN, "")
+        //Toast.makeText(baseContext, login, Toast.LENGTH_LONG).show()
+        if (login != "") {
+            val fragment = ru.myitschool.work.ui.InformationFragment() // Create an instance of your fragment
+            val transaction = supportFragmentManager.beginTransaction()
+            transaction.replace(R.id.nav_host_fragment, fragment) // Add the fragment to the container
+            transaction.commit()
+        } else {
+            val fragment = ru.myitschool.work.ui.LoginFragment() // Create an instance of your fragment
+            val transaction = supportFragmentManager.beginTransaction()
+            transaction.replace(R.id.nav_host_fragment, fragment) // Add the fragment to the container
+            transaction.commit()
+        }
+        /*if (supportFragmentManager.findFragmentById(R.id.nav_host_fragment) == null) {
+            Toast.makeText(baseContext, "hhgjgg", Toast.LENGTH_LONG).show()
+            val fragment = ru.myitschool.work.ui.LoginFragment() // Create an instance of your fragment
+            val transaction = supportFragmentManager.beginTransaction()
+            transaction.replace(R.id.nav_host_fragment, fragment) // Add the fragment to the container
+            transaction.commit()
+        }*/
+
+        /*onBackPressedDispatcher.addCallback(
             this,
             object : OnBackPressedCallback(true) {
                 override fun handleOnBackPressed() {
                     onSupportNavigateUp()
                 }
             }
-        )
+        )*/
     }
 
     override fun onSupportNavigateUp(): Boolean {

app/src/main/java/ru/myitschool/work/ui/StoreAPI.java

@@ -0,0 +1,19 @@
+package ru.myitschool.work.ui;
+
+import retrofit2.Call;
+import retrofit2.http.Body;
+import retrofit2.http.GET;
+import retrofit2.http.PATCH;
+import retrofit2.http.Path;
+
+public interface StoreAPI {
+
+    @GET("api/{login}/auth")
+    Call<Boolean> authenticateUser(@Path("login") String login);
+
+    @GET("api/{login}/info")
+    Call<User> informationUser(@Path("login") String login);
+
+    @PATCH("api/{login}/open")
+    Call<Void> openDoor(@Path("login") String login, @Body Door request);
+}

app/src/main/java/ru/myitschool/work/ui/User.java

@@ -0,0 +1,68 @@
+package ru.myitschool.work.ui;
+
+public class User {
+
+    private int id;
+    private String login;
+    private String name;
+    private String photo;
+    private String position;
+    private String lastVisit;
+
+    public User(int id, String login, String name, String photo, String position, String lastVisit) {
+        this.id = id;
+        this.login = login;
+        this.name = name;
+        this.photo = photo;
+        this.position = position;
+        this.lastVisit = lastVisit;
+    }
+
+    public int getId() {
+        return id;
+    }
+
+    public void setId(int id) {
+        this.id = id;
+    }
+
+    public String getLogin() {
+        return login;
+    }
+
+    public void setLogin(String login) {
+        this.login = login;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public String getPhoto() {
+        return photo;
+    }
+
+    public void setPhoto(String photo) {
+        this.photo = photo;
+    }
+
+    public String getPosition() {
+        return position;
+    }
+
+    public void setPosition(String position) {
+        this.position = position;
+    }
+
+    public String getLastVisit() {
+        return lastVisit;
+    }
+
+    public void setLastVisit(String lastVisit) {
+        this.lastVisit = lastVisit;
+    }
+}

app/src/main/java/ru/myitschool/work/ui/login/LoginFragment.kt

@@ -1,6 +1,8 @@
 package ru.myitschool.work.ui.login
 
 import android.os.Bundle
+import android.text.Editable
+import android.text.TextWatcher
 import android.view.View
 import androidx.fragment.app.Fragment
 import androidx.fragment.app.viewModels
@@ -23,7 +25,6 @@ class LoginFragment : Fragment(R.layout.fragment_login) {
         subscribe()
     }
 
-
     private fun subscribe() {
         viewModel.state.collectWhenStarted(this) { state ->
             binding.loading.visibleOrGone(state)

app/src/main/res/layout/fragment_information.xml

@@ -0,0 +1,52 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical">
+
+    <TextView
+        android:id="@+id/fullname"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"/>
+
+    <ImageView
+        android:id="@+id/photo"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"/>
+
+    <TextView
+        android:id="@+id/position"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"/>
+
+    <TextView
+        android:id="@+id/lastEntry"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"/>
+
+    <Button
+        android:id="@+id/logout"
+        android:text="@string/logout"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"/>
+
+    <Button
+        android:id="@+id/refresh"
+        android:text="@string/refresh"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"/>
+
+    <Button
+        android:id="@+id/scan"
+        android:text="@string/scan"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"/>
+
+    <TextView
+        android:id="@+id/error"
+        android:visibility="gone"
+        android:text="@string/error"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"/>
+
+</LinearLayout>

app/src/main/res/layout/fragment_login.xml

@@ -1,16 +1,33 @@
 <?xml version="1.0" encoding="utf-8"?>
-<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
-    android:layout_height="match_parent">
+    android:layout_height="match_parent"
+    android:orientation="vertical">
+
+    <EditText
+        android:id="@+id/username"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:hint="@string/username"/>
+
+    <Button
+        android:id="@+id/login"
+        android:text="@string/login"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"/>
+
+    <TextView
+        android:id="@+id/error"
+        android:visibility="gone"
+        android:text="@string/error"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"/>
 
     <ProgressBar
         android:id="@+id/loading"
+        android:layout_gravity="center"
         android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent"
-        app:layout_constraintBottom_toBottomOf="parent" />
+        android:layout_height="wrap_content" />
 
-</androidx.constraintlayout.widget.ConstraintLayout>
+</LinearLayout>

app/src/main/res/layout/fragment_result.xml

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical">
+
+    <TextView
+        android:id="@+id/result"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"/>
+
+    <Button
+        android:id="@+id/close"
+        android:text="@string/close"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"/>
+
+</LinearLayout>

app/src/main/res/values-en/strings.xml

@@ -0,0 +1,14 @@
+<resources>
+    <string name="app_name">NTO Pass</string>
+    <string name="username">Login</string>
+    <string name="close">Close</string>
+    <string name="login">Login</string>
+    <string name="logout">Logout</string>
+    <string name="refresh">Refresh</string>
+    <string name="scan">Scan</string>
+    <string name="error">Error</string>
+
+    <string name="cancelled">Operation was cancelled</string>
+    <string name="success">Success</string>
+    <string name="wrong">Something wrong</string>
+</resources>

app/src/main/res/values-ru/strings.xml

@@ -0,0 +1,14 @@
+<resources>
+    <string name="app_name">NTO Pass</string>
+    <string name="username">Логин</string>
+    <string name="close">Закрыть</string>
+    <string name="login">Войти</string>
+    <string name="logout">Выйти</string>
+    <string name="refresh">Обновить</string>
+    <string name="scan">Отсканировать</string>
+    <string name="error">Ошибка</string>
+
+    <string name="cancelled">Вход был отменён</string>
+    <string name="success">Успешно</string>
+    <string name="wrong">Что-то пошло не так</string>
+</resources>

app/src/main/res/values/strings.xml

@@ -1,3 +1,14 @@
 <resources>
     <string name="app_name">NTO Pass</string>
+    <string name="username">Логин</string>
+    <string name="close">Закрыть</string>
+    <string name="login">Войти</string>
+    <string name="logout">Выйти</string>
+    <string name="refresh">Обновить</string>
+    <string name="scan">Отсканировать</string>
+    <string name="error">Ошибка</string>
+
+    <string name="cancelled">Вход был отменён</string>
+    <string name="success">Успешно</string>
+    <string name="wrong">Что-то пошло не так</string>
 </resources>