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Adds functional search using sqlite full text search syntax.

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This commit is contained in:
Tom Hicks
2021-05-01 17:53:48 -07:00
committed by Tom Hicks
parent 8215d2021c
commit acadf2170c
8 changed files with 111 additions and 47 deletions
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3
Android/app/src/main/java/com/majinnaibu/monstercards/AppDatabase.java
View File

@@ -14,9 +14,10 @@ import com.majinnaibu.monstercards.data.converters.SetOfStringConverter;
import com.majinnaibu.monstercards.data.converters.SetOfTraitConverter;
import com.majinnaibu.monstercards.data.converters.UUIDConverter;
import com.majinnaibu.monstercards.models.Monster;
import com.majinnaibu.monstercards.models.MonsterFTS;
@SuppressWarnings("unused")
@Database(entities = {Monster.class}, version = 1)
@Database(entities = {Monster.class, MonsterFTS.class}, version = 2)
@TypeConverters({
ArmorTypeConverter.class,
ChallengeRatingConverter.class,

38
Android/app/src/main/java/com/majinnaibu/monstercards/MonsterCardsApplication.java
View File

@@ -4,8 +4,19 @@ import android.app.Application;
import android.content.Context;
import android.content.res.Configuration;
import androidx.annotation.NonNull;
import androidx.room.Room;
import androidx.room.migration.Migration;
import androidx.sqlite.db.SupportSQLiteDatabase;
import com.facebook.flipper.android.AndroidFlipperClient;
import com.facebook.flipper.android.utils.FlipperUtils;
import com.facebook.flipper.core.FlipperClient;
import com.facebook.flipper.plugins.databases.DatabasesFlipperPlugin;
import com.facebook.flipper.plugins.inspector.DescriptorMapping;
import com.facebook.flipper.plugins.inspector.InspectorFlipperPlugin;
import com.facebook.flipper.plugins.navigation.NavigationFlipperPlugin;
import com.facebook.soloader.SoLoader;
import com.majinnaibu.monstercards.data.MonsterRepository;
public class MonsterCardsApplication extends Application {
@@ -31,8 +42,20 @@ public class MonsterCardsApplication extends Application {
public void onCreate() {
super.onCreate();
// Required initialization logic here!
SoLoader.init(this, false);
m_db = Room.databaseBuilder(getApplicationContext(), AppDatabase.class, "monsters").build();
if (BuildConfig.DEBUG && FlipperUtils.shouldEnableFlipper(this)) {
final FlipperClient client = AndroidFlipperClient.getInstance(this);
client.addPlugin(new InspectorFlipperPlugin(this, DescriptorMapping.withDefaults()));
client.addPlugin(new DatabasesFlipperPlugin(this));
client.addPlugin(NavigationFlipperPlugin.getInstance());
client.start();
}
m_db = Room.databaseBuilder(getApplicationContext(), AppDatabase.class, "monsters")
.addMigrations(MIGRATION_1_2)
.fallbackToDestructiveMigrationOnDowngrade()
.build();
m_monsterLibraryRepository = new MonsterRepository(m_db);
}
@@ -50,4 +73,17 @@ public class MonsterCardsApplication extends Application {
public void onLowMemory() {
super.onLowMemory();
}
private static final Migration MIGRATION_1_2 = new Migration(1, 2) {
@Override
public void migrate(@NonNull SupportSQLiteDatabase database) {
// rename table monster to monsters
database.execSQL("ALTER TABLE monster RENAME TO monsters");
// create the fts view
database.execSQL("CREATE VIRTUAL TABLE IF NOT EXISTS `monsters_fts` USING FTS4(`name` TEXT, `size` TEXT, `type` TEXT, `subtype` TEXT, `alignment` TEXT, content=`monsters`)");
// build the initial full text search index
database.execSQL("INSERT INTO monsters_fts(monsters_fts) VALUES('rebuild')");
}
};
}

9
Android/app/src/main/java/com/majinnaibu/monstercards/data/MonsterDAO.java
View File

@@ -15,15 +15,18 @@ import io.reactivex.rxjava3.core.Flowable;
@Dao
public interface MonsterDAO {
@Query("SELECT * FROM monster")
@Query("SELECT * FROM monsters")
Flowable<List<Monster>> getAll();
@Query("SELECT * FROM monster WHERE id IN (:monsterIds)")
@Query("SELECT * FROM monsters WHERE id IN (:monsterIds)")
Flowable<List<Monster>> loadAllByIds(String[] monsterIds);
@Query("SELECT * FROM monster WHERE name LIKE :name LIMIT 1")
@Query("SELECT * FROM monsters WHERE name LIKE :name LIMIT 1")
Flowable<Monster> findByName(String name);
@Query("SELECT monsters.* FROM monsters JOIN monsters_fts ON monsters.oid = monsters_fts.docid WHERE monsters_fts MATCH :searchText")
Flowable<List<Monster>> search(String searchText);
@Insert
Completable insertAll(Monster... monsters);

7
Android/app/src/main/java/com/majinnaibu/monstercards/data/MonsterRepository.java
View File

@@ -29,6 +29,13 @@ public class MonsterRepository {
.observeOn(AndroidSchedulers.mainThread());
}
public Flowable<List<Monster>> searchMonsters(String searchText) {
return m_db.monsterDAO()
.search(searchText)
.subscribeOn(Schedulers.io())
.observeOn(AndroidSchedulers.mainThread());
}
public Flowable<Monster> getMonster(UUID monsterId) {
return m_db.monsterDAO()
.loadAllByIds(new String[]{monsterId.toString()})

2
Android/app/src/main/java/com/majinnaibu/monstercards/models/Monster.java
View File

@@ -22,7 +22,7 @@ import java.util.List;
import java.util.Set;
import java.util.UUID;
@Entity
@Entity(tableName = "monsters")
@SuppressLint("DefaultLocale")
@SuppressWarnings("unused")
public class Monster {

50
Android/app/src/main/java/com/majinnaibu/monstercards/ui/search/SearchFragment.java
View File

@@ -1,47 +1,55 @@
package com.majinnaibu.monstercards.ui.search;
import android.os.Bundle;
import android.text.Editable;
import android.text.TextWatcher;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.TextView;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.fragment.app.Fragment;
import androidx.lifecycle.Observer;
import androidx.lifecycle.ViewModelProviders;
import androidx.navigation.NavDirections;
import androidx.navigation.Navigation;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;
import com.majinnaibu.monstercards.R;
import com.majinnaibu.monstercards.data.MonsterRepository;
import com.majinnaibu.monstercards.ui.MCFragment;
public class SearchFragment extends Fragment {
public class SearchFragment extends MCFragment {
private SearchViewModel searchViewModel;
public View onCreateView(@NonNull LayoutInflater inflater,
ViewGroup container, Bundle savedInstanceState) {
searchViewModel =
ViewModelProviders.of(this).get(SearchViewModel.class);
View root = inflater.inflate(R.layout.fragment_search, container, false);
MonsterRepository repository = this.getMonsterRepository();
SearchResultsRecyclerViewAdapter adapter = new SearchResultsRecyclerViewAdapter(repository, null);
final RecyclerView recyclerView = root.findViewById(R.id.monster_list);
assert recyclerView != null;
setupRecyclerView(recyclerView, adapter);
final TextView textView = root.findViewById(R.id.search_query);
searchViewModel.getSearchQuery().observe(getViewLifecycleOwner(), new Observer<String>() {
textView.addTextChangedListener(new TextWatcher() {
@Override
public void onChanged(@Nullable String s) {
textView.setText(s);
public void beforeTextChanged(CharSequence charSequence, int i, int i1, int i2) {
}
@Override
public void onTextChanged(CharSequence charSequence, int i, int i1, int i2) {
}
@Override
public void afterTextChanged(Editable editable) {
adapter.doSearch(textView.getText().toString());
}
});
final Button btnSearch = root.findViewById(R.id.button_search);
btnSearch.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
NavDirections action = SearchFragmentDirections.actionNavigationSearchToNavigationMonster();
Navigation.findNavController(view).navigate(action);
}
});
return root;
}
private void setupRecyclerView(@NonNull RecyclerView recyclerView, @NonNull SearchResultsRecyclerViewAdapter adapter) {
recyclerView.setAdapter(adapter);
recyclerView.setLayoutManager(new LinearLayoutManager(getContext()));
}
}

18
Android/app/src/main/java/com/majinnaibu/monstercards/ui/search/SearchResultsRecyclerViewAdapter.java
View File

@@ -20,11 +20,15 @@ import io.reactivex.rxjava3.core.Flowable;
import io.reactivex.rxjava3.disposables.Disposable;
public class SearchResultsRecyclerViewAdapter extends RecyclerView.Adapter<SearchResultsRecyclerViewAdapter.ViewHolder> {
public interface ItemCallback {
void onItem(Monster monster);
}
private final MonsterRepository mRepository;
private final ItemCallback mOnClickHandler;
private String mSearchText;
private List<Monster> mValues;
private Disposable mSubscriptionHandler;
private final ItemCallback mOnClickHandler;
public SearchResultsRecyclerViewAdapter(MonsterRepository repository,
ItemCallback onClick) {
@@ -50,7 +54,6 @@ public class SearchResultsRecyclerViewAdapter extends RecyclerView.Adapter<Searc
throwable -> Logger.logError("Error performing search", throwable));
}
@NonNull
@Override
public ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
View view = LayoutInflater.from(parent.getContext())
@@ -59,8 +62,9 @@ public class SearchResultsRecyclerViewAdapter extends RecyclerView.Adapter<Searc
}
@Override
public void onBindViewHolder(@NonNull final ViewHolder holder, int position) {
public void onBindViewHolder(final ViewHolder holder, int position) {
Monster monster = mValues.get(position);
holder.mIdView.setText(monster.id.toString().substring(0, 6));
holder.mContentView.setText(monster.name);
holder.itemView.setTag(monster);
holder.itemView.setOnClickListener(view -> {
@@ -75,15 +79,13 @@ public class SearchResultsRecyclerViewAdapter extends RecyclerView.Adapter<Searc
return mValues.size();
}
public interface ItemCallback {
void onItem(Monster monster);
}
public static class ViewHolder extends RecyclerView.ViewHolder {
class ViewHolder extends RecyclerView.ViewHolder {
final TextView mIdView;
final TextView mContentView;
ViewHolder(View view) {
super(view);
mIdView = view.findViewById(R.id.id_text);
mContentView = view.findViewById(R.id.content);
}
}

31
Android/app/src/main/res/layout/fragment_search.xml
View File

@@ -7,15 +7,6 @@
tools:context=".ui.search.SearchFragment"
tools:targetApi="o">
<Button
android:id="@+id/button_search"
android:layout_width="wrap_content"
android:layout_height="0dp"
android:layout_marginEnd="8dp"
android:text="@string/action_search"
app:layout_constraintBaseline_toBaselineOf="@+id/search_query"
app:layout_constraintEnd_toEndOf="parent" />
<EditText
android:id="@+id/search_query"
android:layout_width="0dp"
@@ -23,11 +14,27 @@
android:layout_marginStart="8dp"
android:layout_marginTop="8dp"
android:layout_marginEnd="8dp"
android:importantForAutofill="no"
android:ems="10"
android:inputType="textPersonName"
android:hint="@string/label_search_query"
app:layout_constraintEnd_toStartOf="@+id/button_search"
android:importantForAutofill="no"
android:inputType="textPersonName"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />
<androidx.recyclerview.widget.RecyclerView
android:id="@+id/monster_list"
android:layout_height="0dp"
android:layout_width="0dp"
android:layout_marginLeft="16dp"
android:layout_marginRight="16dp"
app:layout_constraintTop_toBottomOf="@+id/search_query"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layoutManager="LinearLayoutManager"
tools:context=".SearchResultsFragment"
tools:listitem="@layout/monster_list_content" />
</androidx.constraintlayout.widget.ConstraintLayout>