5-7я лаба

src/app/CitySelectorFragment.java

@@ -0,0 +1,44 @@
+import android.app.AlertDialog;
+import android.app.Fragment;
+import android.view.View;
+import android.widget.Toast;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class CitySelectorFragment extends Fragment {
+    private List<String> cities;
+    private List<String> favoriteCities = new ArrayList<>();
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
+        View view = inflater.inflate(R.layout.fragment_city_selector, container, false);
+        ListView cityListView = view.findViewById(R.id.city_list);
+
+        // Пример списка городов
+        cities = Arrays.asList("Москва", "Санкт-Петербург", "Новосибирск", "Екатеринбург");
+
+        CityAdapter adapter = new CityAdapter(getContext(), cities);
+        cityListView.setAdapter(adapter);
+
+        cityListView.setOnItemLongClickListener((parent, view1, position, id) -> {
+            String selectedCity = cities.get(position);
+            showDialog(selectedCity);
+            return true;
+        });
+
+        return view;
+    }
+
+    private void showDialog(String city) {
+        new AlertDialog.Builder(getContext())
+                .setTitle("Выбор города")
+                .setMessage("Добавить " + city + " в избранное?")
+                .setPositiveButton("В избранное", (dialog, which) -> {
+                    favoriteCities.add(city);
+                    Toast.makeText(getContext(), city + " добавлен в избранное", Toast.LENGTH_SHORT).show();
+                })
+                .setNegativeButton("Отмена", null)
+                .show();
+    }
+}

src/app/build.gradle

@@ -8,7 +8,7 @@ android {
 
     defaultConfig {
         applicationId "com.example.myapplication"
-        minSdk 31
+        minSdk 30
         targetSdk 34
         versionCode 1
         versionName "1.0"
@@ -32,6 +32,9 @@ android {
 }
 
 dependencies {
+
+    implementation libs.room.runtime
+    annotationProcessor libs.room.compiler
     implementation libs.appcompat
     implementation libs.material
     implementation libs.activity

src/app/src/main/AndroidManifest.xml

@@ -18,16 +18,16 @@
             android:exported="true"
             android:label="@string/title_activity_main2"
             android:theme="@style/Theme.MyApplication.NoActionBar">
+        </activity>
+        <activity
+            android:name=".MainActivity"
+            android:exported="true">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
 
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
-        <activity
-            android:name=".MainActivity"
-            android:exported="true">
-        </activity>
     </application>
 
 </manifest>

src/app/src/main/java/com/example/myapplication/AppDatabase.java

@@ -0,0 +1,37 @@
+package com.example.myapplication;
+
+import android.content.Context;
+
+import androidx.room.Database;
+import androidx.room.Room;
+import androidx.room.RoomDatabase;
+
+import com.example.myapplication.DAO.CityDao;
+import com.example.myapplication.DAO.FavoriteCityDao;
+import com.example.myapplication.DAO.UserDao;
+import com.example.myapplication.DTO.City;
+import com.example.myapplication.DTO.FavoriteCity;
+import com.example.myapplication.DTO.User;
+
+@Database(entities = {User.class, City.class, FavoriteCity.class}, version = 1, exportSchema = false)
+public abstract class AppDatabase extends RoomDatabase {
+    public abstract UserDao userDao();
+    public abstract CityDao cityDao();
+    public abstract FavoriteCityDao favoriteCityDao();
+
+//    public abstract WeatherDao weatherDao();
+    private static volatile AppDatabase INSTANCE;
+
+    public static AppDatabase getDatabase(final Context context) {
+        if (INSTANCE == null) {
+            synchronized (AppDatabase.class) {
+                if (INSTANCE == null) {
+                    INSTANCE = Room.databaseBuilder(context.getApplicationContext(),
+                                    AppDatabase.class, "app_database")
+                            .build();
+                }
+            }
+        }
+        return INSTANCE;
+    }
+}

src/app/src/main/java/com/example/myapplication/CustomAdapter.java

@@ -8,13 +8,14 @@ import android.widget.TextView;
 
 import androidx.recyclerview.widget.RecyclerView;
 
-import java.util.ArrayList;
+import com.example.myapplication.DTO.City;
+import com.example.myapplication.DTO.WeatherData;
+
 import java.util.List;
 
 public class CustomAdapter extends RecyclerView.Adapter<CustomAdapter.ViewHolder> {
 
-    private List<WeatherData> localDataSet;
-
+    private List<City> localDataSet;
 
     public static class ViewHolder extends RecyclerView.ViewHolder {
         private final TextView textView;
@@ -32,7 +33,7 @@ public class CustomAdapter extends RecyclerView.Adapter<CustomAdapter.ViewHolder
     }
 
 
-    public CustomAdapter(List<WeatherData> dataSet) {
+    public CustomAdapter(List<City> dataSet) {
         localDataSet = dataSet;
     }
 
@@ -52,7 +53,7 @@ public class CustomAdapter extends RecyclerView.Adapter<CustomAdapter.ViewHolder
 
         // Get element from your dataset at this position and replace the
         // contents of the view with that element
-        viewHolder.getTextView().setText(localDataSet.get(position).City);
+        viewHolder.getTextView().setText(localDataSet.get(position).CityName);
     }
 
     // Return the size of your dataset (invoked by the layout manager)

src/app/src/main/java/com/example/myapplication/DAO/CityDao.java

@@ -0,0 +1,31 @@
+package com.example.myapplication.DAO;
+
+import androidx.room.Dao;
+import androidx.room.Insert;
+import androidx.room.Query;
+
+import com.example.myapplication.DTO.City;
+import com.example.myapplication.DTO.User;
+
+import java.util.List;
+
+@Dao
+public interface CityDao {
+    @Insert
+    void insert(City city);
+
+    @Insert
+    void insertAll(City... city);
+
+    @Query("SELECT * FROM city_table")
+    List<City> getAllCity();
+
+    @Query("SELECT * FROM city_table WHERE id = :cityId")
+    City getCityById(int cityId);
+
+    @Query("SELECT COUNT(*) FROM city_table")
+    int countCity();
+
+    @Query("SELECT * FROM city_table WHERE CityName = :city")
+    City getCityByName(String city);
+}

src/app/src/main/java/com/example/myapplication/DAO/FavoriteCityDao.java

@@ -0,0 +1,27 @@
+package com.example.myapplication.DAO;
+
+import androidx.room.Dao;
+import androidx.room.Insert;
+import androidx.room.Query;
+
+import com.example.myapplication.DTO.FavoriteCity;
+
+import java.util.List;
+
+@Dao
+public interface FavoriteCityDao {
+    @Insert
+    void insert(FavoriteCity favoriteCity);
+
+    @Insert
+    void insertAll(FavoriteCity... favoriteCities);
+
+    @Query("SELECT * FROM favorite_cities_table")
+    List<FavoriteCity> getAllFavoriteCity();
+
+    @Query("SELECT * FROM favorite_cities_table WHERE owner_id = :ownerId")
+    List<FavoriteCity> getFavoriteCityByOwnerId(long ownerId);
+
+    @Query("SELECT * FROM favorite_cities_table WHERE owner_id = :userId AND city_id = :cityId")
+    int isFavorite(long userId, long cityId);
+}

src/app/src/main/java/com/example/myapplication/DAO/UserDao.java

@@ -0,0 +1,27 @@
+package com.example.myapplication.DAO;
+
+import androidx.room.Dao;
+import androidx.room.Insert;
+import androidx.room.Query;
+
+import com.example.myapplication.DTO.User;
+
+import java.util.List;
+
+@Dao
+public interface UserDao {
+    @Insert
+    void insert(User user);
+
+    @Insert
+    void insertAll(User... users);
+
+    @Query("SELECT * FROM user_table")
+    List<User> getAllUsers();
+
+    @Query("SELECT password FROM user_table WHERE LOWER(name) = LOWER(:name)")
+    String getPasswordByName(String name);
+
+    @Query("SELECT * FROM user_table WHERE LOWER(name) = LOWER(:username)")
+    User getUserByName(String username);
+}

src/app/src/main/java/com/example/myapplication/DAO/WeatherDao.java

@@ -0,0 +1,7 @@
+package com.example.myapplication.DAO;
+
+import androidx.room.Dao;
+
+@Dao
+public class WeatherDao {
+}

src/app/src/main/java/com/example/myapplication/DTO/City.java

@@ -0,0 +1,25 @@
+package com.example.myapplication.DTO;
+
+@androidx.room.Entity(tableName = "city_table")
+public class City {
+    @androidx.room.PrimaryKey(autoGenerate = true)
+    private long id;
+
+    public String CityName;
+
+    public City(String CityName) {
+        this.CityName = CityName;
+    }
+
+    public long getId() {
+        return id;
+    }
+
+    public String getName() {
+        return CityName;
+    }
+
+    public void setId(long id) {
+        this.id = id;
+    }
+}

src/app/src/main/java/com/example/myapplication/DTO/FavoriteCity.java

@@ -0,0 +1,60 @@
+package com.example.myapplication.DTO;
+
+import androidx.room.Entity;
+import androidx.room.ForeignKey;
+import androidx.room.Index;
+
+@Entity(tableName = "favorite_cities_table",
+        foreignKeys = {
+                @ForeignKey(entity = User.class,
+                        parentColumns = "id",
+                        childColumns = "owner_id",
+                        onDelete = ForeignKey.CASCADE),
+                @ForeignKey(entity = City.class,
+                        parentColumns = "id",
+                        childColumns = "city_id",
+                        onDelete = ForeignKey.CASCADE)
+        },
+        indices = {
+                @Index(value = "owner_id"),
+                @Index(value = "city_id")
+        }
+)
+public class FavoriteCity {
+    @androidx.room.PrimaryKey(autoGenerate = true)
+    private long id;
+
+    @androidx.room.ColumnInfo(name = "owner_id")
+    private long ownerId;
+    @androidx.room.ColumnInfo(name = "city_id")
+    private long cityId;
+
+    public FavoriteCity(long ownerId, long cityId) {
+        this.ownerId = ownerId;
+        this.cityId = cityId;
+    }
+
+    public long getId() {
+        return id;
+    }
+
+    public long getOwnerId() {
+        return ownerId;
+    }
+
+    public long getCityId() {
+        return cityId;
+    }
+
+    public void setId(long id) {
+        this.id = id;
+    }
+
+    public void setOwnerId(long ownerId) {
+        this.ownerId = ownerId;
+    }
+
+    public void setCityId(long cityId) {
+        this.cityId = cityId;
+    }
+}

src/app/src/main/java/com/example/myapplication/DTO/User.java

@@ -0,0 +1,33 @@
+package com.example.myapplication.DTO;
+
+import androidx.room.Entity;
+import androidx.room.PrimaryKey;
+
+@Entity(tableName = "user_table")
+public class User {
+    @PrimaryKey(autoGenerate = true)
+    private long id;
+    public String name;
+    public String password;
+
+    public User(String name, String password) {
+        this.name = name;
+        this.password = password;
+    }
+
+    public long getId() {
+        return id;
+    }
+
+    public String getPassword() {
+        return password;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setId(long id) {
+        this.id = id;
+    }
+}

src/app/src/main/java/com/example/myapplication/DTO/WeatherData.java

@@ -1,6 +1,13 @@
-package com.example.myapplication;
+package com.example.myapplication.DTO;
 
+import androidx.room.Entity;
+import androidx.room.PrimaryKey;
+
+@Entity(tableName = "weather_table")
 public class WeatherData {
+    @PrimaryKey(autoGenerate = true)
+    private long id;
+
     public String City;
     public String Temperature;
     public String WeatherCondition;

src/app/src/main/java/com/example/myapplication/DatabaseInitializer.java

@@ -0,0 +1,44 @@
+package com.example.myapplication;
+
+import com.example.myapplication.DAO.CityDao;
+import com.example.myapplication.DAO.FavoriteCityDao;
+import com.example.myapplication.DAO.UserDao;
+import com.example.myapplication.DTO.User;
+
+public class DatabaseInitializer {
+    public static void populateDatabase(final AppDatabase db) {
+        new Thread(() -> {
+            UserDao userDao = db.userDao();
+            CityDao cityDao = db.cityDao();
+            FavoriteCityDao favoriteCityDao = db.favoriteCityDao();
+            // Создание начальных данных
+            User user1 = new User("Alice", "kek123");
+            User user2 = new User("Bob", "kek123");
+            User user3 = new User("Charlie", "kek123");
+            User user4 = new User("David", "kek123");
+            User user5 = new User("Eve", "kek123");
+            userDao.insertAll(user1, user2, user3, user4, user5);
+
+            // Создание городов
+//            City city1 = new City("Moscow");
+//            City city2 = new City("Saint Petersburg");
+//            City city3 = new City("Novosibirsk");
+//            City city4 = new City("Yekaterinburg");
+//            City city5 = new City("Kazan");
+//            City city6 = new City("Chelyabinsk");
+//            City city7 = new City("Omsk");
+//            cityDao.insertAll(city1, city2, city3, city4, city5, city6, city7);
+
+            // Создание связей между пользователями и городами
+//            FavoriteCity favoriteCity1 = new FavoriteCity(1, 1);
+//            FavoriteCity favoriteCity2 = new FavoriteCity(1, 2);
+//            FavoriteCity favoriteCity3 = new FavoriteCity(1, 3);
+//            FavoriteCity favoriteCity4 = new FavoriteCity(2, 4);
+//            FavoriteCity favoriteCity5 = new FavoriteCity(2, 5);
+//            FavoriteCity favoriteCity6 = new FavoriteCity(3, 6);
+//            FavoriteCity favoriteCity7 = new FavoriteCity(3, 7);
+//            favoriteCityDao.insertAll(favoriteCity1, favoriteCity2, favoriteCity3, favoriteCity4, favoriteCity5, favoriteCity6, favoriteCity7);
+
+        }).start();
+    }
+}

src/app/src/main/java/com/example/myapplication/MainActivity.java

@@ -1,10 +1,12 @@
 package com.example.myapplication;
 
 import android.content.Intent;
+import android.content.SharedPreferences;
 import android.graphics.Color;
 import android.graphics.ColorMatrix;
 import android.graphics.ColorMatrixColorFilter;
 import android.os.Bundle;
+import android.util.Log;
 import android.view.View;
 import android.widget.ImageView;
 
@@ -13,12 +15,24 @@ import androidx.appcompat.app.AppCompatActivity;
 import androidx.core.graphics.Insets;
 import androidx.core.view.ViewCompat;
 import androidx.core.view.WindowInsetsCompat;
+
 import android.widget.EditText;
 
+import com.example.myapplication.DAO.CityDao;
+import com.example.myapplication.DAO.FavoriteCityDao;
+import com.example.myapplication.DAO.UserDao;
+import com.example.myapplication.DTO.City;
+import com.example.myapplication.DTO.User;
+
+import java.util.List;
+import java.util.concurrent.Executors;
+
 public class MainActivity extends AppCompatActivity {
 
     EditText emailEditText;
     EditText passwordEditText;
+    private UserDao userDao;
+    AppDatabase db;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -34,23 +48,102 @@ public class MainActivity extends AppCompatActivity {
         emailEditText = findViewById(R.id.editTextTextEmailAddress);
         passwordEditText = findViewById(R.id.editTextTextPassword);
 
+        db = AppDatabase.getDatabase(this);
+        userDao = db.userDao();
+
         ImageView imageView = findViewById(R.id.imageView);
         ColorMatrix matrix = new ColorMatrix();
         matrix.setSaturation(0); // Set saturation to 0 to make the image monochrome
         ColorMatrixColorFilter filter = new ColorMatrixColorFilter(matrix);
         imageView.setColorFilter(filter);
+
+        // Проверка первого запуска
+        SharedPreferences sharedPreferences = getSharedPreferences("app_prefs", MODE_PRIVATE);
+        boolean isFirstRun = sharedPreferences.getBoolean("isFirstRun", true);
+
+        if (isFirstRun) {
+            // Заполнение базы данных начальными данными
+            DatabaseInitializer.populateDatabase(db);
+
+            // Установка флага, что приложение уже запускалось
+            SharedPreferences.Editor editor = sharedPreferences.edit();
+            editor.putBoolean("isFirstRun", false);
+            editor.apply();
+        }
+        // Тестовая фигня что бы показать
+        Executors.newSingleThreadExecutor().execute(() -> {
+            try {
+                FavoriteCityDao favoriteCityDao = db.favoriteCityDao();
+                CityDao cityDao = db.cityDao();
+
+                Log.d("MainActivity", "-------------------------------\nAll users:");
+                // Получение всех пользователей
+                List<User> users = userDao.getAllUsers();
+                for (User user : users) {
+                    Log.d("User", user.getName());
+                }
+
+                if (cityDao.countCity() > 0) {
+                    Log.d("MainActivity", "-------------------------------\nAll city:");
+                    // Получение всех городов
+                    List<City> cities = cityDao.getAllCity();
+                    for (City city : cities) {
+                        Log.d("City", city.getName());
+                    }
+                }
+//
+//                Log.d("MainActivity", "-------------------------------\nAll fav:");
+//                // Получение всех связей
+//                List<FavoriteCity> favoriteCities = favoriteCityDao.getAllFavoriteCity();
+//                for (FavoriteCity favoriteCity : favoriteCities) {
+//                    Log.d("FavoriteCity", "User: " + favoriteCity.getOwnerId() + ", City: " + favoriteCity.getCityId());
+//                }
+            } catch (Exception e) {
+                Log.e("MainActivity", "Error: " + e.getMessage());
+            }
+        });
     }
 
     public void goToAnotherActivity(View view) {
-        String[] logins = getResources().getStringArray(R.array.passwords_array);
-        for (String login : logins) {
-            String[] parts = login.split("\\|");
-            if (parts[0].equals(emailEditText.getText().toString()) && parts[1].equals(passwordEditText.getText().toString())) {
-                startActivity(new Intent(this, MainActivity2.class));
+        view.setEnabled(false);
+
+        String enteredLogin = emailEditText.getText().toString();
+        String enteredPassword = passwordEditText.getText().toString();
+
+        Executors.newSingleThreadExecutor().execute(() -> {
+            try {
+                String password = userDao.getPasswordByName(enteredLogin);
+                runOnUiThread(() -> {
+                    if (enteredPassword.equals(password)) {
+                        Intent intent = new Intent(MainActivity.this, MainActivity2.class);
+                        intent.putExtra("userName", enteredLogin);
+                        startActivity(intent);
                     } else {
                         emailEditText.setTextColor(Color.RED);
                         passwordEditText.setTextColor(Color.RED);
                     }
-        }
+                });
+            } catch (Exception e) {
+                Log.e("MainActivity", "Error: " + e.getMessage());
+                runOnUiThread(() -> {
+                    emailEditText.setTextColor(Color.RED);
+                    passwordEditText.setTextColor(Color.RED);
+                });
+            }
+        });
+
+        view.setEnabled(true);
+
+//        String[] logins = getResources().getStringArray(R.array.passwords_array);
+//
+//        for (String login : logins) {
+//            String[] parts = login.split("\\|");
+//            if (parts[0].equals(emailEditText.getText().toString()) && parts[1].equals(passwordEditText.getText().toString())) {
+//                startActivity(new Intent(this, MainActivity2.class));
+//            } else {
+//                emailEditText.setTextColor(Color.RED);
+//                passwordEditText.setTextColor(Color.RED);
+//            }
+//        }
     }
 }

src/app/src/main/java/com/example/myapplication/MainActivity2.java

@@ -1,10 +1,11 @@
 package com.example.myapplication;
 
+import android.content.Intent;
 import android.os.Bundle;
 import android.view.View;
 import android.view.Menu;
 
-import com.example.myapplication.ui.home.HomeFragment;
+import com.example.myapplication.DTO.WeatherData;
 import com.google.android.material.snackbar.Snackbar;
 import com.google.android.material.navigation.NavigationView;
 
@@ -23,6 +24,12 @@ public class MainActivity2 extends AppCompatActivity {
     private ActivityMain2Binding binding;
     private WeatherData CurrentCity = new WeatherData("Город ещё не выбран","", "", "", "");
 
+    private String userName = "";
+
+    public String getUserName() {
+        return userName;
+    }
+
     public WeatherData getCurrentCity() {
         return CurrentCity;
     }
@@ -34,6 +41,9 @@ public class MainActivity2 extends AppCompatActivity {
         binding = ActivityMain2Binding.inflate(getLayoutInflater());
         setContentView(binding.getRoot());
 
+        Intent intent = getIntent();
+        userName = intent.getStringExtra("userName");
+
         setSupportActionBar(binding.appBarMain.toolbar);
         binding.appBarMain.fab.setOnClickListener(new View.OnClickListener() {
             @Override

src/app/src/main/java/com/example/myapplication/ui/gallery/GalleryFragment.java

@@ -12,7 +12,7 @@ import androidx.lifecycle.ViewModelProvider;
 
 import com.example.myapplication.MainActivity2;
 import com.example.myapplication.R;
-import com.example.myapplication.WeatherData;
+import com.example.myapplication.DTO.WeatherData;
 import com.example.myapplication.databinding.FragmentGalleryBinding;
 
 public class GalleryFragment extends Fragment {

src/app/src/main/java/com/example/myapplication/ui/home/HomeFragment.java

@@ -1,36 +1,37 @@
 package com.example.myapplication.ui.home;
 
+import android.app.AlertDialog;
 import android.os.Bundle;
 import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
+import android.widget.Toast;
 
 import androidx.annotation.NonNull;
 import androidx.fragment.app.Fragment;
 import androidx.lifecycle.ViewModelProvider;
-import androidx.navigation.NavController;
-import androidx.navigation.fragment.NavHostFragment;
-import androidx.recyclerview.widget.GridLayoutManager;
 import androidx.recyclerview.widget.LinearLayoutManager;
 import androidx.recyclerview.widget.RecyclerView;
-import androidx.recyclerview.widget.SortedList;
 
+import com.example.myapplication.AppDatabase;
 import com.example.myapplication.CustomAdapter;
+import com.example.myapplication.DAO.CityDao;
+import com.example.myapplication.DAO.FavoriteCityDao;
+import com.example.myapplication.DAO.UserDao;
+import com.example.myapplication.DTO.City;
+import com.example.myapplication.DTO.FavoriteCity;
+import com.example.myapplication.DTO.User;
 import com.example.myapplication.MainActivity2;
 import com.example.myapplication.R;
 import com.example.myapplication.RecyclerItemClickListener;
-import com.example.myapplication.WeatherData;
+import com.example.myapplication.DTO.WeatherData;
 import com.example.myapplication.databinding.FragmentHomeBinding;
-import com.example.myapplication.ui.gallery.GalleryFragment;
 import com.google.gson.JsonArray;
-import com.google.gson.JsonObject;
 
-import java.io.Console;
 import java.util.ArrayList;
-import java.util.Arrays;
 import java.util.List;
-import java.util.logging.Logger;
+import java.util.concurrent.Executors;
 
 import retrofit2.Call;
 import retrofit2.Callback;
@@ -44,6 +45,9 @@ public class HomeFragment extends Fragment   {
     private FragmentHomeBinding binding;
     private WeatherService service;
     private ArrayList<WeatherData> weatherDataList = new ArrayList<>();
+    private List<City> cityList = new ArrayList<City>();
+
+    private RecyclerView recyclerView;
 
     public View onCreateView(@NonNull LayoutInflater inflater,
                              ViewGroup container, Bundle savedInstanceState) {
@@ -53,16 +57,7 @@ public class HomeFragment extends Fragment   {
         binding = FragmentHomeBinding.inflate(inflater, container, false);
         View root = binding.getRoot();
 
-        Retrofit retrofit = new Retrofit.Builder()
-                .baseUrl("https://raw.githubusercontent.com/Lpirskaya/JsonLab/refs/heads/master/")
-                .addConverterFactory(GsonConverterFactory.create())
-                .build();
-        service = retrofit.create(WeatherService.class);
-
-//        String[] city_list = getResources().getStringArray(R.array.city_list);
-//        Arrays.sort(city_list);
-
-        RecyclerView recyclerView = root.findViewById(R.id.suslik);
+        recyclerView = root.findViewById(R.id.suslik);
         recyclerView.addOnItemTouchListener(new RecyclerItemClickListener(root.getContext(), recyclerView ,new RecyclerItemClickListener.OnItemClickListener() {
             @Override public void onItemClick(View view, int position) {
                 Log.e("HomeFragment", "onClick: " + weatherDataList.get(position).City);
@@ -73,16 +68,70 @@ public class HomeFragment extends Fragment   {
 
             @Override
             public void onLongItemClick(View view, int position) {
-
+                String selectedCity = weatherDataList.get(position).City;
+                showDialog(selectedCity);
             }
         }));
         recyclerView.setLayoutManager(new LinearLayoutManager(root.getContext()));
-        CustomAdapter adapter = new CustomAdapter(weatherDataList);
+        CustomAdapter adapter = new CustomAdapter(cityList);
         recyclerView.setAdapter(adapter);
 
+        Retrofit retrofit = new Retrofit.Builder()
+                .baseUrl("https://raw.githubusercontent.com/Lpirskaya/JsonLab/refs/heads/master/")
+                .addConverterFactory(GsonConverterFactory.create())
+                .build();
+        service = retrofit.create(WeatherService.class);
+
         return root;
     }
 
+    private void showDialog(String city) {
+        new AlertDialog.Builder(getContext())
+                .setTitle("Выбор города")
+                .setMessage("Добавить " + city + " в избранное?")
+                .setPositiveButton("В избранное", (dialog, which) -> {
+                    if (getActivity() instanceof MainActivity2) {
+                        String username = ((MainActivity2) getActivity()).getUserName();
+                        AppDatabase db = AppDatabase.getDatabase(getContext());
+
+                        Executors.newSingleThreadExecutor().execute(() -> {
+                            CityDao cityDao = db.cityDao();
+                            UserDao userDao = db.userDao();
+                            FavoriteCityDao favoriteCityDao = db.favoriteCityDao();
+                            City cityObj = cityDao.getCityByName(city);
+                            User userObj = userDao.getUserByName(username);
+
+                            // check if city is already in favorites
+                            if (userObj != null && cityObj != null) {
+                                if (favoriteCityDao.isFavorite(userObj.getId(), cityObj.getId()) > 0) {
+                                    getActivity().runOnUiThread(() -> {
+                                        Toast.makeText(getContext(), city + " уже в избранном", Toast.LENGTH_SHORT).show();
+                                    });
+                                    return;
+                                }
+                                favoriteCityDao.insert(new FavoriteCity(userObj.getId(), cityObj.getId()));
+                                getActivity().runOnUiThread(() -> {
+                                    Toast.makeText(getContext(), city + " добавлен в избранное", Toast.LENGTH_SHORT).show();
+                                });
+                            } else {
+                                Log.e("HomeFragment", "User or city not found");
+                            }
+
+                            // Вывод всех связей
+                            List<FavoriteCity> favoriteCities = favoriteCityDao.getAllFavoriteCity();
+                            for (FavoriteCity favoriteCity : favoriteCities) {
+                                Log.d("FavoriteCity", "User: " + favoriteCity.getOwnerId() + ", City: " + favoriteCity.getCityId());
+                            }
+                        });
+
+                    } else {
+                        Log.e("HomeFragment", "Ошибка получения контекста");
+                    }
+                })
+                .setNegativeButton("Отмена", null)
+                .show();
+    }
+
     public interface WeatherService {
         @GET("Weather2022.json")
         Call<JsonArray> getWeather2022();
@@ -115,6 +164,7 @@ public class HomeFragment extends Fragment   {
                         ));
 
                         weatherDataList.sort((o1, o2) -> o1.City.compareTo(o2.City));
+
 //                        JsonObject item = weatherData.get(i).getAsJsonObject();
 //                        Log.i("HomeFragment", "City: " + item.get("City").getAsString());
 //                        Log.i("HomeFragment", "Temperature: " + item.get("Temperature").getAsInt());
@@ -123,6 +173,21 @@ public class HomeFragment extends Fragment   {
 //                        Log.i("HomeFragment", "Wind: " + item.get("Wind").getAsString());
 //                        Log.i("HomeFragment", "-------------------");
                     }
+
+                    AppDatabase db = AppDatabase.getDatabase(getContext());
+                    CityDao cityDao = db.cityDao();
+                    Executors.newSingleThreadExecutor().execute(() -> {
+                        if (cityDao.countCity() == 0) {
+                            for (WeatherData wd : weatherDataList) {
+                                Log.i("HomeFragment", "Inserting city: " + wd.City);
+                                cityDao.insert(new City(wd.City));
+                            }
+                        }
+                        cityList = cityDao.getAllCity();
+                        getActivity().runOnUiThread(() -> {
+                            recyclerView.setAdapter(new CustomAdapter(cityList));
+                        });
+                    });
                 } else
                     Log.e("HomeFragment", "Request failed: " + response.message());
             }

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

@@ -34,8 +34,10 @@
             android:layout_marginBottom="10sp"
             android:hint="@string/e_mail"
             android:inputType="textEmailAddress"
+            android:text="Alice"
             android:textAlignment="center"
-            tools:ignore="Autofill" />
+            tools:ignore="Autofill"
+            tools:text="Alice" />
 
         <EditText
             android:id="@+id/editTextTextPassword"
@@ -45,7 +47,8 @@
             android:inputType="textPassword"
             android:minHeight="48dp"
             android:textAlignment="center"
-            tools:ignore="Autofill" />
+            tools:ignore="Autofill"
+            tools:text="kek123" />
 
     </LinearLayout>
 

src/gradle/libs.versions.toml

@@ -1,5 +1,5 @@
 [versions]
-agp = "8.6.0"
+agp = "8.7.2"
 junit = "4.13.2"
 junitVersion = "1.2.1"
 espressoCore = "3.6.1"
@@ -12,6 +12,8 @@ lifecycleViewmodelKtx = "2.8.5"
 navigationFragment = "2.6.0"
 navigationUi = "2.6.0"
 retrofitVersion = "2.9.0"
+roomRuntime = "2.6.1"
+roomCompiler = "2.6.1"
 
 [libraries]
 converter-gson = { module = "com.squareup.retrofit2:converter-gson", version.ref = "retrofitVersion" }
@@ -27,6 +29,8 @@ lifecycle-viewmodel-ktx = { group = "androidx.lifecycle", name = "lifecycle-view
 navigation-fragment = { group = "androidx.navigation", name = "navigation-fragment", version.ref = "navigationFragment" }
 navigation-ui = { group = "androidx.navigation", name = "navigation-ui", version.ref = "navigationUi" }
 retrofit2-retrofit = { module = "com.squareup.retrofit2:retrofit", version.ref = "retrofitVersion" }
+room-compiler = { module = "androidx.room:room-compiler", version.ref = "roomCompiler" }
+room-runtime = { module = "androidx.room:room-runtime", version.ref = "roomRuntime" }
 
 [plugins]
 android-application = { id = "com.android.application", version.ref = "agp" }

src/gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
 #Fri Sep 20 13:46:49 MSK 2024
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.7-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.9-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists