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This commit is contained in:
Sergey Karmanov 2024-12-23 14:25:02 +03:00
parent 340b4193de
commit 98c89f7b36
6 changed files with 141 additions and 28 deletions
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2
src/app/src/main/java/com/example/myapplication/DAO/CityDao.java
View File

@ -21,7 +21,7 @@ public interface CityDao {
List<City> getAllCity();
@Query("SELECT * FROM city_table WHERE id = :cityId")
City getCityById(int cityId);
City getCityById(long cityId);
@Query("SELECT COUNT(*) FROM city_table")
int countCity();

3
src/app/src/main/java/com/example/myapplication/DAO/FavoriteCityDao.java
View File

@ -24,4 +24,7 @@ public interface FavoriteCityDao {
@Query("SELECT * FROM favorite_cities_table WHERE owner_id = :userId AND city_id = :cityId")
int isFavorite(long userId, long cityId);
@Query("DELETE FROM favorite_cities_table WHERE owner_id = :userId AND city_id = :cityId")
void removeFavorite(long userId, long cityId);
}

4
src/app/src/main/java/com/example/myapplication/MainActivity2.java
View File

@ -18,12 +18,16 @@ import androidx.appcompat.app.AppCompatActivity;
import com.example.myapplication.databinding.ActivityMain2Binding;
import java.util.ArrayList;
public class MainActivity2 extends AppCompatActivity {
private AppBarConfiguration mAppBarConfiguration;
private ActivityMain2Binding binding;
private WeatherData CurrentCity = new WeatherData("Город ещё не выбран","", "", "", "");
public static ArrayList<WeatherData> weatherDataList = new ArrayList<>();
private String userName = "";
public String getUserName() {

22
src/app/src/main/java/com/example/myapplication/ui/home/HomeFragment.java
View File

@ -4,6 +4,7 @@ import android.app.AlertDialog;
import android.os.Bundle;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Toast;
@ -11,6 +12,9 @@ import android.widget.Toast;
import androidx.annotation.NonNull;
import androidx.fragment.app.Fragment;
import androidx.lifecycle.ViewModelProvider;
import androidx.navigation.NavController;
import androidx.navigation.Navigation;
import androidx.navigation.ui.NavigationUI;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;
@ -27,6 +31,7 @@ import com.example.myapplication.R;
import com.example.myapplication.RecyclerItemClickListener;
import com.example.myapplication.DTO.WeatherData;
import com.example.myapplication.databinding.FragmentHomeBinding;
import com.google.android.material.navigation.NavigationView;
import com.google.gson.JsonArray;
import java.util.ArrayList;
@ -44,9 +49,7 @@ 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,
@ -60,15 +63,15 @@ public class HomeFragment extends Fragment {
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);
if (getActivity() instanceof MainActivity2) {
((MainActivity2) getActivity()).setCurrentCity(weatherDataList.get(position));
Log.e("HomeFragment", "onClick: " + MainActivity2.weatherDataList.get(position).City);
((MainActivity2) getActivity()).setCurrentCity(MainActivity2.weatherDataList.get(position));
}
}
@Override
public void onLongItemClick(View view, int position) {
String selectedCity = weatherDataList.get(position).City;
String selectedCity = MainActivity2.weatherDataList.get(position).City;
showDialog(selectedCity);
}
}));
@ -143,7 +146,6 @@ public class HomeFragment extends Fragment {
binding = null;
}
@Override
public void onResume() {
super.onResume();
@ -153,9 +155,9 @@ public class HomeFragment extends Fragment {
if (response.isSuccessful()) {
JsonArray weatherData = response.body();
Log.d("HomeFragment", "Weather data: " + weatherData);
weatherDataList = new ArrayList<>(weatherData.size());
MainActivity2.weatherDataList = new ArrayList<>(weatherData.size());
for (int i = 0; i < weatherData.size(); i++) {
weatherDataList.add(new WeatherData(
MainActivity2.weatherDataList.add(new WeatherData(
weatherData.get(i).getAsJsonObject().get("City").getAsString(),
weatherData.get(i).getAsJsonObject().get("Temperature").getAsString(),
weatherData.get(i).getAsJsonObject().get("WeatherCondition").getAsString(),
@ -163,7 +165,7 @@ public class HomeFragment extends Fragment {
weatherData.get(i).getAsJsonObject().get("Wind").getAsString()
));
weatherDataList.sort((o1, o2) -> o1.City.compareTo(o2.City));
MainActivity2.weatherDataList.sort((o1, o2) -> o1.City.compareTo(o2.City));
// JsonObject item = weatherData.get(i).getAsJsonObject();
// Log.i("HomeFragment", "City: " + item.get("City").getAsString());
@ -178,7 +180,7 @@ public class HomeFragment extends Fragment {
CityDao cityDao = db.cityDao();
Executors.newSingleThreadExecutor().execute(() -> {
if (cityDao.countCity() == 0) {
for (WeatherData wd : weatherDataList) {
for (WeatherData wd : MainActivity2.weatherDataList) {
Log.i("HomeFragment", "Inserting city: " + wd.City);
cityDao.insert(new City(wd.City));
}

119
src/app/src/main/java/com/example/myapplication/ui/slideshow/SlideshowFragment.java
View File

@ -1,37 +1,148 @@
package com.example.myapplication.ui.slideshow;
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.TextView;
import android.widget.Toast;
import androidx.annotation.NonNull;
import androidx.fragment.app.Fragment;
import androidx.lifecycle.ViewModelProvider;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;
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.databinding.FragmentSlideshowBinding;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.Executors;
public class SlideshowFragment extends Fragment {
private FragmentSlideshowBinding binding;
private RecyclerView recyclerView;
private List<City> cityList = new ArrayList<City>();
private AppDatabase db;
public View onCreateView(@NonNull LayoutInflater inflater,
ViewGroup container, Bundle savedInstanceState) {
SlideshowViewModel slideshowViewModel =
new ViewModelProvider(this).get(SlideshowViewModel.class);
binding = FragmentSlideshowBinding.inflate(inflater, container, false);
View root = binding.getRoot();
final TextView textView = binding.textSlideshow;
slideshowViewModel.getText().observe(getViewLifecycleOwner(), textView::setText);
db = AppDatabase.getDatabase(getContext());
recyclerView = root.findViewById(R.id.fav_cyclik);
recyclerView.addOnItemTouchListener(new RecyclerItemClickListener(root.getContext(), recyclerView, new RecyclerItemClickListener.OnItemClickListener() {
@Override
public void onItemClick(View view, int position) {
Log.e("SlideshowFragment", "onClick: " + cityList.get(position).CityName);
if (getActivity() instanceof MainActivity2) {
((MainActivity2) getActivity()).setCurrentCity(MainActivity2.weatherDataList.get(position));
}
}
@Override
public void onLongItemClick(View view, int position) {
String selectedCity = cityList.get(position).CityName;
showDialog(selectedCity);
}
}));
recyclerView.setLayoutManager(new LinearLayoutManager(root.getContext()));
CustomAdapter adapter = new CustomAdapter(cityList);
recyclerView.setAdapter(adapter);
return root;
}
private void showDialog(String city) {
new AlertDialog.Builder(getContext())
.setTitle("Выбор города")
.setMessage("Удалить " + city + " из избранного?")
.setPositiveButton("Удалить", (dialog, which) -> {
if (getActivity() instanceof MainActivity2) {
String username = ((MainActivity2) getActivity()).getUserName();
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) {
favoriteCityDao.removeFavorite(userObj.getId(), cityObj.getId());
getActivity().runOnUiThread(() -> {
Toast.makeText(getContext(), city + " удалён из избранного", Toast.LENGTH_SHORT).show();
updateData();
});
}
} else {
Log.e("HomeFragment", "User or city not found");
}
});
} else {
Log.e("SlideshowFragment", "Ошибка получения контекста");
}
})
.setNegativeButton("Отмена", null)
.show();
}
@Override
public void onDestroyView() {
super.onDestroyView();
binding = null;
}
@Override
public void onResume() {
super.onResume();
updateData();
}
private void updateData() {
Executors.newSingleThreadExecutor().execute(() -> {
if (getActivity() instanceof MainActivity2) {
String username = ((MainActivity2) getActivity()).getUserName();
CityDao cityDao = db.cityDao();
UserDao userDao = db.userDao();
FavoriteCityDao favoriteCityDao = db.favoriteCityDao();
User userObj = userDao.getUserByName(username);
List<FavoriteCity> favCity = favoriteCityDao.getFavoriteCityByOwnerId(userObj.getId());
cityList.clear();
for (FavoriteCity favoriteCity : favCity) {
City city = cityDao.getCityById(favoriteCity.getCityId());
cityList.add(city);
}
getActivity().runOnUiThread(() -> {
recyclerView.getAdapter().notifyDataSetChanged();
});
}
});
}
}

19
src/app/src/main/res/layout/fragment_slideshow.xml
View File

@ -4,19 +4,12 @@
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".ui.slideshow.SlideshowFragment">
tools:context=".ui.home.HomeFragment">
<TextView
android:id="@+id/text_slideshow"
<androidx.recyclerview.widget.RecyclerView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginStart="8dp"
android:layout_marginTop="8dp"
android:layout_marginEnd="8dp"
android:textAlignment="center"
android:textSize="20sp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />
android:layout_height="match_parent"
android:id="@+id/fav_cyclik">
</androidx.recyclerview.widget.RecyclerView>
</androidx.constraintlayout.widget.ConstraintLayout>