Merge pull request #94 from lacerta-doc/improve/fixui

Improve/fixui

app/src/main/java/one/nem/lacerta/MainActivity.java

@@ -5,12 +5,16 @@ import androidx.appcompat.widget.Toolbar;
 import androidx.core.content.ContextCompat;
 import androidx.fragment.app.Fragment;
 import androidx.fragment.app.FragmentManager;
+import androidx.fragment.app.FragmentTransaction;
 import androidx.navigation.NavController;
 import androidx.navigation.fragment.NavHostFragment;
 import androidx.navigation.ui.NavigationUI;
 
+import android.graphics.Color;
 import android.os.Bundle;
 import android.util.Log;
+import android.view.Menu;
+import android.view.MenuItem;
 import android.widget.Toast;
 
 import one.nem.lacerta.model.FragmentNavigation;
@@ -21,6 +25,8 @@ import com.google.android.material.appbar.AppBarLayout;
 import com.google.android.material.bottomnavigation.BottomNavigationView;
 
 
+import java.io.NotActiveException;
+
 import dagger.hilt.android.AndroidEntryPoint;
 import one.nem.lacerta.utils.repository.SharedPrefUtils;
 
@@ -68,37 +74,7 @@ public class MainActivity extends AppCompatActivity implements FragmentNavigatio
         // Set status bar color
         getWindow().setStatusBarColor(ContextCompat.getColor(this, one.nem.lacerta.shared.ui.R.color.colorSurface));
 
-        // Set app bar color
-        AppBarLayout appBarLayout = findViewById(R.id.app_bar_layout);
-        appBarLayout.addOnOffsetChangedListener(new AppBarLayout.OnOffsetChangedListener() {
-            @Override
-            public void onOffsetChanged(AppBarLayout appBarLayout, int verticalOffset) {
-                if (Math.abs(verticalOffset) == appBarLayout.getTotalScrollRange()) {
-                    // Collapsed
-                    getWindow().setStatusBarColor(ContextCompat.getColor(getApplicationContext(), one.nem.lacerta.shared.ui.R.color.colorSecondaryContainer));
-                } else if (verticalOffset == 0) {
-                    // Expanded
-                    getWindow().setStatusBarColor(ContextCompat.getColor(getApplicationContext(), one.nem.lacerta.shared.ui.R.color.colorSurface));
-                } else {
-                    // Somewhere in between
-                    // Here you can add a color transition if you want
     }
-            }
-        });
-
-        Toolbar toolbar = findViewById(R.id.toolbar);
-        setSupportActionBar(toolbar);
-    }
-
-    // Public
-    public void setActionBarTitle(String title) {
-        getSupportActionBar().setTitle(title);
-    }
-
-    public void setActionBarBackButton(boolean isEnabled) {
-        getSupportActionBar().setDisplayHomeAsUpEnabled(isEnabled);
-    }
-
     private void initializeApp() {
         Log.d("Init", "Initializing app");
         // Set feature switch override to default value
@@ -121,4 +97,61 @@ public class MainActivity extends AppCompatActivity implements FragmentNavigatio
                 .addToBackStack(null)
                 .commit();
     }
+
+    @Override
+    public void navigateToFragment(Fragment fragment, boolean addToBackStack) {
+        if (addToBackStack) {
+            getSupportFragmentManager().beginTransaction()
+                    .replace(R.id.nav_host_fragment, fragment)
+                    .addToBackStack(null)
+                    .commit();
+        } else {
+            getSupportFragmentManager().beginTransaction()
+                    .replace(R.id.nav_host_fragment, fragment)
+                    .commit();
+        }
+    }
+
+    @Override
+    public void navigateToFragment(Fragment fragment, boolean addToBackStack, boolean clearBackStack) {
+        if (clearBackStack) {
+            getSupportFragmentManager().popBackStack(null, FragmentManager.POP_BACK_STACK_INCLUSIVE);
+        }
+        if (addToBackStack) {
+            getSupportFragmentManager().beginTransaction()
+                    .replace(R.id.nav_host_fragment, fragment)
+                    .addToBackStack(null)
+                    .commit();
+        } else {
+            getSupportFragmentManager().beginTransaction()
+                    .replace(R.id.nav_host_fragment, fragment)
+                    .commit();
+        }
+    }
+
+    public void navigateToFragmentAlternate(Fragment fragment, boolean addToBackStack) {
+        FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
+
+        // get the current fragment
+        Fragment currentFragment = getSupportFragmentManager().getPrimaryNavigationFragment();
+
+        // hide the current fragment
+        if (currentFragment != null) {
+            transaction.hide(currentFragment);
+        }
+
+        // Add the new fragment
+        transaction.add(R.id.nav_host_fragment, fragment);
+
+        // Add the transaction to the back stack if needed
+        if (addToBackStack) {
+            transaction.addToBackStack(null);
+        }
+
+        // Commit the transaction
+        transaction.commit();
+
+        // Update the primary navigation fragment
+        getSupportFragmentManager().beginTransaction().setPrimaryNavigationFragment(fragment).commit();
+    }
 }

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

@@ -1,61 +1,24 @@
+<?xml version="1.0" encoding="utf-8"?>
 <androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    android:background="@color/colorSurface">
+    android:theme="@style/Theme.Lacerta"
-
+    tools:context=".MainActivity">
-    <androidx.coordinatorlayout.widget.CoordinatorLayout
-        android:layout_width="0dp"
-        android:layout_height="0dp"
-        app:layout_constraintBottom_toTopOf="@id/bottom_nav"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent">
-
-        <com.google.android.material.appbar.AppBarLayout
-            android:id="@+id/app_bar_layout"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content">
-
-            <com.google.android.material.appbar.CollapsingToolbarLayout
-                android:id="@+id/collapsing_toolbar"
-                android:layout_width="match_parent"
-                android:layout_height="160dp"
-                android:background="@color/colorSurface"
-                android:fitsSystemWindows="true"
-                android:minHeight="?attr/actionBarSize"
-                app:collapsedTitleGravity="start|center_vertical"
-                app:contentScrim="@color/colorSecondaryContainer"
-                app:expandedTitleGravity="start|bottom"
-                app:expandedTitleMarginBottom="16dp"
-                app:expandedTitleMarginStart="16dp"
-                app:expandedTitleTextAppearance="@style/TextAppearance.MaterialComponents.Headline4"
-                app:layout_scrollFlags="scroll|exitUntilCollapsed">
-
-                <androidx.appcompat.widget.Toolbar
-                    android:id="@+id/toolbar"
-                    android:layout_width="match_parent"
-                    android:layout_height="?attr/actionBarSize"
-                    app:layout_collapseMode="pin"
-                    app:title="HOGE" />
-
-            </com.google.android.material.appbar.CollapsingToolbarLayout>
-
-        </com.google.android.material.appbar.AppBarLayout>
 
     <androidx.fragment.app.FragmentContainerView
-
         android:id="@+id/nav_host_fragment"
         android:name="androidx.navigation.fragment.NavHostFragment"
-            android:layout_width="match_parent"
+        android:layout_width="0dp"
-            android:layout_height="match_parent"
+        android:layout_height="0dp"
         app:defaultNavHost="true"
+        app:layout_constraintBottom_toTopOf="@+id/bottom_nav"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
         app:navGraph="@navigation/main_nav"
-            tools:layout="@layout/fragment_home_top"
+        tools:layout="@layout/fragment_home_top" />
-            app:layout_behavior="@string/appbar_scrolling_view_behavior"/>
-
-    </androidx.coordinatorlayout.widget.CoordinatorLayout>
 
     <com.google.android.material.bottomnavigation.BottomNavigationView
         android:id="@+id/bottom_nav"

data/src/main/java/one/nem/lacerta/data/LacertaLibrary.java

@@ -7,6 +7,7 @@ import one.nem.lacerta.model.ListItem;
 import one.nem.lacerta.model.ListItemType;
 
 import one.nem.lacerta.model.LibraryItemPage;
+import one.nem.lacerta.model.PublicPath;
 import one.nem.lacerta.model.document.DocumentDetail;
 
 public interface LacertaLibrary {
@@ -15,13 +16,14 @@ public interface LacertaLibrary {
     CompletableFuture<ArrayList<ListItem>> getRecentDocument(int limit);
     CompletableFuture<ArrayList<ListItem>> getRecentDocument(int limit, int offset);
 
-    // Get Library page
+    // Get Library Page
-    CompletableFuture<LibraryItemPage> getLibraryPage(int limit);
-    CompletableFuture<LibraryItemPage> getLibraryPage(int limit, int offset);
     CompletableFuture<LibraryItemPage> getLibraryPage(String pageId, int limit);
     CompletableFuture<LibraryItemPage> getLibraryPage(String pageId, int limit, int offset);
 
     // Create Folder
-    CompletableFuture<String> createFolder(String path, String name);
+    CompletableFuture<String> createFolder(String parentId, String name);
+
+    // Get Public Path
+    CompletableFuture<PublicPath> getPublicPath(String itemId, ListItemType itemType);
 
 }

data/src/main/java/one/nem/lacerta/data/impl/DocumentImpl.java

@@ -79,7 +79,7 @@ public class DocumentImpl implements Document {
             documentEntity.defaultBranch = meta.getDefaultBranch();
             documentEntity.updatedAt = meta.getUpdatedAt();
             documentEntity.createdAt = meta.getCreatedAt();
-            documentEntity.publicPath = meta.getPath().getStringPath();
+            documentEntity.parentId = meta.getParentId();
             documentEntity.tagIds = meta.getTagIds();
 
             database.documentDao().insert(documentEntity);
@@ -104,7 +104,7 @@ public class DocumentImpl implements Document {
         meta.setDefaultBranch("master");
         meta.setUpdatedAt(new Date());
         meta.setCreatedAt(new Date());
-        meta.setPath(new PublicPath().getRoot()); // TODO-rca: 2回インスタンスを生成していて無駄なのでなんとかする
+        meta.setParentId(null);
         meta.setTags(new ArrayList<>());
         return createDocument(meta);
     }
@@ -138,7 +138,7 @@ public class DocumentImpl implements Document {
             meta.setDefaultBranch(documentEntity.defaultBranch);
             meta.setUpdatedAt(documentEntity.updatedAt);
             meta.setCreatedAt(documentEntity.createdAt);
-            meta.setPath(new PublicPath().resolve(documentEntity.publicPath));
+            meta.setParentId(documentEntity.parentId);
             meta.setTags(new ArrayList<>()); // TODO-rca: タグを取得する
 
             DocumentDetail detail = new DocumentDetail();

data/src/main/java/one/nem/lacerta/data/impl/LacertaLibraryImpl.java

@@ -4,6 +4,7 @@ import java.text.DateFormat;
 import java.time.format.DateTimeFormatter;
 import java.util.ArrayList;
 import java.util.Collection;
+import java.util.Collections;
 import java.util.List;
 import java.util.UUID;
 import java.util.concurrent.CompletableFuture;
@@ -20,6 +21,7 @@ import one.nem.lacerta.source.database.LacertaDatabase;
 import one.nem.lacerta.source.database.common.DateTypeConverter;
 import one.nem.lacerta.source.database.entity.DocumentEntity;
 import one.nem.lacerta.source.database.entity.FolderEntity;
+import one.nem.lacerta.utils.FeatureSwitch;
 import one.nem.lacerta.utils.LacertaLogger;
 
 public class LacertaLibraryImpl implements LacertaLibrary {
@@ -64,94 +66,34 @@ public class LacertaLibraryImpl implements LacertaLibrary {
         return null; // TODO-rca: Implement
     }
 
-    // Internal
-    private CompletableFuture<List<FolderEntity>> getFolderEntitiesByPublicPath(String publicPath) {
-        return CompletableFuture.supplyAsync(() -> {
-            return database.folderDao().findByPublicPathWithLimit(publicPath, 10); // TODO-rca: ハードコーディングやめる
-        });
-    }
-
-    private CompletableFuture<List<DocumentEntity>> getDocumentEntitiesByPublicPath(String publicPath) {
-        return CompletableFuture.supplyAsync(() -> {
-            return database.documentDao().findByPublicPathWithLimit(publicPath, 10); // TODO-rca: ハードコーディングやめる
-        });
-    }
-
-    @Override
-    public CompletableFuture<LibraryItemPage> getLibraryPage(int limit) {
-        return CompletableFuture.supplyAsync(() -> {
-
-            // 5秒フリーズさせる
-            try {
-                Thread.sleep(1000);
-            } catch (InterruptedException e) {
-                e.printStackTrace();
-            }
-
-            LibraryItemPage libraryItemPage = new LibraryItemPage();
-
-            List<FolderEntity> folderEntities = getFolderEntitiesByPublicPath("/").join();
-            logger.debug("LacertaLibraryImpl", "folderEntities.size(): " + folderEntities.size());
-            List<DocumentEntity> documentEntities = getDocumentEntitiesByPublicPath("/").join();
-            logger.debug("LacertaLibraryImpl", "documentEntities.size(): " + documentEntities.size());
-
-            ArrayList<ListItem> listItems = new ArrayList<>();
-            for (FolderEntity folderEntity : folderEntities) {
-                logger.debug("LacertaLibraryImpl", "folderEntity.name: " + folderEntity.name);
-                ListItem listItem = new ListItem();
-                listItem.setItemType(ListItemType.ITEM_TYPE_FOLDER);
-                listItem.setTitle(folderEntity.name);
-                listItem.setDescription("フォルダ"); // TODO-rca: ハードコーディングやめる
-                listItem.setItemId(folderEntity.id);
-                listItems.add(listItem);
-            }
-            for (DocumentEntity documentEntity : documentEntities) {
-                logger.debug("LacertaLibraryImpl", "documentEntity.title: " + documentEntity.title);
-                ListItem listItem = new ListItem();
-                listItem.setItemType(ListItemType.ITEM_TYPE_DOCUMENT);
-                listItem.setTitle(documentEntity.title);
-//                listItem.setDescription(DateTimeFormatter.ofPattern("yyyy/MM/dd HH:mm").format(documentEntity.updatedAt.toInstant()));
-                listItem.setItemId(documentEntity.id);
-                listItems.add(listItem);
-            }
-
-            libraryItemPage.setPageTitle("/");
-            libraryItemPage.setPageId("root");
-            libraryItemPage.setListItems(listItems);
-
-            logger.debug("LacertaLibraryImpl", "libraryItemPage.getListItems().size(): " + libraryItemPage.getListItems().size());
-
-            return libraryItemPage;
-        });
-    }
-
-    @Override
-    public CompletableFuture<LibraryItemPage> getLibraryPage(int limit, int offset) {
-        return CompletableFuture.supplyAsync(() -> {
-            return null;
-        });
-    }
-
     @Override
     public CompletableFuture<LibraryItemPage> getLibraryPage(String pageId, int limit) {
         return CompletableFuture.supplyAsync(() -> {
             LibraryItemPage libraryItemPage = new LibraryItemPage();
 
+            List<FolderEntity> folderEntities;
+            List<DocumentEntity> documentEntities;
+
+            if (pageId == null) { // When root folder
+                libraryItemPage.setPageTitle("ライブラリ");
+                libraryItemPage.setPageId(null);
+                libraryItemPage.setParentId(null);
+
+                folderEntities = database.folderDao().findRootFolders();
+                documentEntities = database.documentDao().findRootDocuments();
+            } else {
                 FolderEntity folderEntity = database.folderDao().findById(pageId);
                 if (folderEntity == null) {
+                    logger.warn("LacertaLibraryImpl", pageId + " is not found.");
                     return null;
                 }
+                libraryItemPage.setPageTitle(folderEntity.name);
+                libraryItemPage.setPageId(folderEntity.id);
+                libraryItemPage.setParentId(folderEntity.parentId);
 
-            PublicPath publicPath = new PublicPath().parse(folderEntity.publicPath);
+                folderEntities = database.folderDao().findByParentId(pageId);
-
+                documentEntities = database.documentDao().findByParentId(pageId);
-            String resolvedPublicPath = publicPath.resolve(folderEntity.name).getStringPath();
+            }
-
-            logger.debug("LacertaLibraryImpl", "Resolved publicPath: " + resolvedPublicPath);
-
-            List<FolderEntity> folderEntities = getFolderEntitiesByPublicPath(resolvedPublicPath).join();
-            logger.debug("LacertaLibraryImpl", "folderEntities.size(): " + folderEntities.size());
-            List<DocumentEntity> documentEntities = getDocumentEntitiesByPublicPath(resolvedPublicPath).join();
-            logger.debug("LacertaLibraryImpl", "documentEntities.size(): " + documentEntities.size());
 
             ArrayList<ListItem> listItems = new ArrayList<>();
             for (FolderEntity childFolderEntity : folderEntities) {
@@ -174,8 +116,6 @@ public class LacertaLibraryImpl implements LacertaLibrary {
                 listItems.add(listItem);
             }
 
-            libraryItemPage.setPageTitle(folderEntity.name);
-            libraryItemPage.setPageId(folderEntity.id);
             libraryItemPage.setListItems(listItems);
 
             logger.debug("LacertaLibraryImpl", "libraryItemPage.getListItems().size(): " + libraryItemPage.getListItems().size());
@@ -194,21 +134,67 @@ public class LacertaLibraryImpl implements LacertaLibrary {
     @Override
     public CompletableFuture<String> createFolder(String parentId, String name) {
         return CompletableFuture.supplyAsync(() -> {
-
-            FolderEntity parentFolderEntity = database.folderDao().findById(parentId);
-            PublicPath publicPath;
-            if (parentFolderEntity == null) {
-                publicPath = new PublicPath().resolve("/");
-            } else {
-                publicPath = new PublicPath().resolve(parentFolderEntity.publicPath);
-            }
-
             FolderEntity folderEntity = new FolderEntity();
             folderEntity.id = UUID.randomUUID().toString();
             folderEntity.name = name;
-            folderEntity.publicPath = publicPath.getStringPath();
+            folderEntity.parentId = parentId;
             database.folderDao().insert(folderEntity);
             return folderEntity.id;
         });
     }
+
+    @Override
+    public CompletableFuture<PublicPath> getPublicPath(String itemId, ListItemType itemType) {
+        return CompletableFuture.supplyAsync(() -> {
+            if (itemType == ListItemType.ITEM_TYPE_DOCUMENT) {
+                DocumentEntity documentEntity = database.documentDao().findById(itemId);
+                if (documentEntity == null) {
+                    logger.warn("LacertaLibraryImpl", itemId + " is not found.");
+                    return null;
+                }
+                PublicPath publicPath = recursiveResolve(documentEntity.parentId);
+                publicPath.resolve(documentEntity.title);
+                return publicPath;
+            } else if (itemType == ListItemType.ITEM_TYPE_FOLDER) {
+                FolderEntity folderEntity = database.folderDao().findById(itemId);
+                if (folderEntity == null) {
+                    return null;
+                }
+                return recursiveResolve(folderEntity.id);
+            } else {
+                logger.warn("LacertaLibraryImpl", "Unknown ListItemType: " + itemType);
+                return null;
+            }
+        });
+    }
+
+    /**
+     * 再帰的にパスを解決する
+     *
+     * @param folderId
+     * @return
+     */
+    private PublicPath recursiveResolve(String folderId) {
+        String current = folderId;
+        boolean continueFlag = true;
+        ArrayList<String> folderNames = new ArrayList<>();
+        while (continueFlag) {
+            FolderEntity folderEntity = database.folderDao().findById(current);
+            if (folderEntity == null) { // 存在しないフォルダIDが指定された場合
+                continueFlag = false;
+            } else {
+                folderNames.add(folderEntity.name);
+                current = folderEntity.parentId;
+                if (current == null) { // ルートフォルダに到達した場合
+                    continueFlag = false;
+                }
+            }
+        }
+
+        // フォルダ名を逆順にしてListに変換
+        Collections.reverse(folderNames);
+        List<String> folderNamesReversed = new ArrayList<>(folderNames);
+
+        return new PublicPath(folderNamesReversed);
+    }
 }

feature/home/src/main/res/layout/fragment_home_top.xml

@@ -1,11 +1,50 @@
 <FrameLayout 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:background="@color/colorSurface">
+
+    <androidx.coordinatorlayout.widget.CoordinatorLayout
         android:layout_width="match_parent"
         android:layout_height="match_parent">
 
+        <com.google.android.material.appbar.AppBarLayout
+            android:id="@+id/app_bar_layout"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content">
+
+            <com.google.android.material.appbar.CollapsingToolbarLayout
+                android:id="@+id/collapsing_toolbar"
+                app:contentScrim="@color/colorSecondaryContainer"
+                android:background="@color/colorSurface"
+                android:layout_width="match_parent"
+                android:layout_height="160dp"
+                android:fitsSystemWindows="true"
+                android:minHeight="?attr/actionBarSize"
+                app:collapsedTitleGravity="start|center_vertical"
+                app:expandedTitleGravity="start|bottom"
+                app:expandedTitleMarginBottom="16dp"
+                app:expandedTitleMarginStart="16dp"
+                app:expandedTitleTextAppearance="@style/TextAppearance.MaterialComponents.Headline4"
+                app:layout_scrollFlags="scroll|exitUntilCollapsed">
+
+                <androidx.appcompat.widget.Toolbar
+                    android:id="@+id/toolbar"
+                    android:layout_width="match_parent"
+                    android:layout_height="?attr/actionBarSize"
+                    app:layout_collapseMode="pin"
+                    app:title="HOGE" />
+
+            </com.google.android.material.appbar.CollapsingToolbarLayout>
+
+        </com.google.android.material.appbar.AppBarLayout>
+
         <androidx.recyclerview.widget.RecyclerView
             android:id="@+id/home_item_recycler_view"
             android:layout_width="match_parent"
-        android:layout_height="match_parent" />
+            android:layout_height="match_parent"
+            app:layout_behavior="@string/appbar_scrolling_view_behavior" />
+
+    </androidx.coordinatorlayout.widget.CoordinatorLayout>
 
 </FrameLayout>

feature/library/src/main/java/one/nem/lacerta/feature/library/LibraryPageFragment.java

@@ -4,7 +4,11 @@ import android.app.AlertDialog;
 import android.os.Bundle;
 
 import androidx.annotation.NonNull;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.appcompat.widget.Toolbar;
+import androidx.core.content.ContextCompat;
 import androidx.fragment.app.Fragment;
+import androidx.navigation.Navigation;
 import androidx.recyclerview.widget.LinearLayoutManager;
 import androidx.recyclerview.widget.RecyclerView;
 
@@ -14,13 +18,28 @@ import android.view.MenuInflater;
 import android.view.MenuItem;
 import android.view.View;
 import android.view.ViewGroup;
+import android.widget.ArrayAdapter;
+import android.widget.ListView;
+import android.widget.TextView;
 import android.widget.Toast;
 
+import com.google.android.material.appbar.AppBarLayout;
+import com.google.android.material.appbar.CollapsingToolbarLayout;
+
+import org.w3c.dom.Text;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Objects;
+
 import javax.inject.Inject;
 
 import dagger.hilt.android.AndroidEntryPoint;
+import one.nem.lacerta.data.Document;
 import one.nem.lacerta.data.LacertaLibrary;
 import one.nem.lacerta.model.FragmentNavigation;
+import one.nem.lacerta.model.LibraryItemPage;
+import one.nem.lacerta.model.PublicPath;
 import one.nem.lacerta.utils.LacertaLogger;
 
 
@@ -32,8 +51,15 @@ import one.nem.lacerta.utils.LacertaLogger;
 @AndroidEntryPoint
 public class LibraryPageFragment extends Fragment {
 
-    // Param
+    // Variables
-    private String folderId;
+    // このインスタンスで表示されているページ
+    LibraryItemPage libraryItemPage;
+
+    // Arguments
+    String folderId;
+    String title;
+    String parentId;
+
 
     @Inject
     LacertaLibrary lacertaLibrary;
@@ -43,15 +69,26 @@ public class LibraryPageFragment extends Fragment {
 
     ListItemAdapter listItemAdapter;
 
-    int currentTotalItemCount = 0;
-
     public LibraryPageFragment() {
         // Required empty public constructor
     }
-    public static LibraryPageFragment newInstance(String folderId) {
+
+    public static LibraryPageFragment newInstance(String folderId, String title, String parentId) {
         LibraryPageFragment fragment = new LibraryPageFragment();
         Bundle args = new Bundle();
         args.putString("folderId", folderId);
+        args.putString("title", title);
+        args.putString("publicPath", parentId);
+        fragment.setArguments(args);
+        return fragment;
+    }
+
+    public static LibraryPageFragment newInstance(String folderId) { // Back action
+        LibraryPageFragment fragment = new LibraryPageFragment();
+        Bundle args = new Bundle();
+        args.putString("folderId", folderId);
+        args.putString("title", null);
+        args.putString("publicPath", null);
         fragment.setArguments(args);
         return fragment;
     }
@@ -60,6 +97,8 @@ public class LibraryPageFragment extends Fragment {
         LibraryPageFragment fragment = new LibraryPageFragment();
         Bundle args = new Bundle();
         args.putString("folderId", null);
+        args.putString("title", null);
+        args.putString("publicPath", null);
         fragment.setArguments(args);
         return fragment;
     }
@@ -75,8 +114,23 @@ public class LibraryPageFragment extends Fragment {
         // Inflate the layout for this fragment
         View view = inflater.inflate(R.layout.fragment_library_top, container, false);
 
-        setHasOptionsMenu(true);
+        // Set status bar color
-
+        AppBarLayout appBarLayout = view.findViewById(R.id.app_bar_layout);
+        appBarLayout.addOnOffsetChangedListener(new AppBarLayout.OnOffsetChangedListener() {
+            @Override
+            public void onOffsetChanged(AppBarLayout appBarLayout, int verticalOffset) {
+                if (Math.abs(verticalOffset) == appBarLayout.getTotalScrollRange()) {
+                    // Collapsed
+                    getActivity().getWindow().setStatusBarColor(ContextCompat.getColor(getContext(), one.nem.lacerta.shared.ui.R.color.colorSecondaryContainer));
+                } else if (verticalOffset == 0) {
+                    // Expanded
+                    getActivity().getWindow().setStatusBarColor(ContextCompat.getColor(getContext(), one.nem.lacerta.shared.ui.R.color.colorSurface));
+                } else {
+                    // Somewhere in between
+                    // Here you can add a color transition if you want
+                }
+            }
+        });
         return view;
     }
 
@@ -84,16 +138,42 @@ public class LibraryPageFragment extends Fragment {
     public void onViewCreated(View view, Bundle savedInstanceState) {
         super.onViewCreated(view, savedInstanceState);
 
-        RecyclerView recyclerView = view.findViewById(R.id.library_item_recycler_view);
+        if (getArguments() != null) {
+            this.folderId = getArguments().getString("folderId"); // Required
+            if (getArguments().getString("title") == null && getArguments().getString("publicPath") == null) {
+                this.libraryItemPage = new LibraryItemPage();
+            } else {
+                this.title = getArguments().getString("title");
+                this.parentId = getArguments().getString("publicPath");
+            }
+        } else {
+            logger.debug("LibraryTopFragment", "getArguments() is null(maybe root)");
+            this.libraryItemPage = new LibraryItemPage();
+        }
 
+        // Toolbar Setup
+        toolbarSetup(view.findViewById(R.id.library_toolbar), this.folderId != null, this.title != null ? this.title : "ライブラリ");
+
+        // RecyclerView Setup
+
+        RecyclerView recyclerView = view.findViewById(R.id.library_item_recycler_view);
         this.listItemAdapter = new ListItemAdapter(new DocumentSelectListener() {
             @Override
             public void onFolderSelected(String folderId, String folderName) {
                 logger.debug("LibraryTopFragment", "Folder selected! folderId: " + folderId + ", folderName: " + folderName);
-                // 画面遷移
+//                // 画面遷移
-                FragmentNavigation fragmentNavigation = (FragmentNavigation) getActivity();
+//                FragmentNavigation fragmentNavigation = (FragmentNavigation) getActivity();
-                assert fragmentNavigation != null;
+//                // folderId: 推移先で表示するフォルダのID, folderName: 推移先で表示するフォルダの名前, parentId: このフラグメントで表示しているフォルダのID(推移先の親)
-                fragmentNavigation.navigateToFragment(LibraryPageFragment.newInstance(folderId));
+//                fragmentNavigation.navigateToFragment(LibraryPageFragment.newInstance(folderId, folderName, libraryItemPage != null ? libraryItemPage.getParentId() : null), false);
+                Bundle bundle = new Bundle();
+                bundle.putString("folderId", folderId);
+                bundle.putString("title", folderName);
+                bundle.putString("publicPath", libraryItemPage != null ? libraryItemPage.getParentId() : null);
+                try {
+                    Navigation.findNavController(requireView()).navigate(R.id.action_feature_library_top_fragment_self, bundle);
+                } catch (IllegalStateException e) {
+                    logger.error("LibraryTopFragment", "IllegalStateException: " + e.getMessage());
+                }
             }
 
             @Override
@@ -101,52 +181,39 @@ public class LibraryPageFragment extends Fragment {
                 Toast.makeText(getContext(), "Document selected! documentId: " + documentId + ", documentName: " + documentName, Toast.LENGTH_SHORT).show();
             }
         });
+
         recyclerView.setAdapter(listItemAdapter);
         recyclerView.setLayoutManager(new LinearLayoutManager(getContext()));
 
-        if (getArguments() != null) {
+        // Get library page and update RecyclerView items
-            this.folderId = getArguments().getString("folderId");
-        }
-
-        if (this.folderId == null) { // Root
-            lacertaLibrary.getLibraryPage(10).thenAccept(libraryItemPage -> {
-                logger.debug("LibraryTopFragment", "Item selected! libraryItemPage.getListItems().size(): " + libraryItemPage.getListItems().size());
-                listItemAdapter.setLibraryItemPage(libraryItemPage);
-                getActivity().runOnUiThread(() -> {
-                    // ActionBarのタイトルを変更する
-                    getActivity().setTitle("ライブラリ");
-                    // ActionBarに戻るボタンを非表示にする
-//                    getActivity().getActionBar().setDisplayHomeAsUpEnabled(false);
-                    listItemAdapter.notifyItemRangeInserted(0, libraryItemPage.getListItems().size() - 1);
-                });
-                this.currentTotalItemCount = libraryItemPage.getListItems().size();
-            });
-        } else { // Root以外
         lacertaLibrary.getLibraryPage(this.folderId, 10).thenAccept(libraryItemPage -> {
-                logger.debug("LibraryTopFragment", "Item selected! libraryItemPage.getListItems().size(): " + libraryItemPage.getListItems().size());
+            this.libraryItemPage = libraryItemPage;
-                listItemAdapter.setLibraryItemPage(libraryItemPage);
+
+            if (this.parentId == null) {
+                this.parentId = libraryItemPage.getParentId();
+            }
+            if (this.title == null) {
+                this.title = libraryItemPage.getPageTitle();
+                // Toolbar init again
+                toolbarSetup(view.findViewById(R.id.library_toolbar), this.folderId != null, this.title != null ? this.title : "ライブラリ");
+            }
+
+            logger.debug("LibraryTopFragment", "Item selected! Total item page: " + this.libraryItemPage.getListItems().size());
+            getActivity().runOnUiThread(() -> { // TODO-rca: 実行条件を考える？
+                listItemAdapter.notifyItemRangeRemoved(0, this.libraryItemPage.getListItems().size() - 1);
+            });
+            listItemAdapter.setLibraryItemPage(this.libraryItemPage);
             getActivity().runOnUiThread(() -> {
-                    // ActionBarのタイトルを変更する
+                listItemAdapter.notifyItemRangeInserted(0, this.libraryItemPage.getListItems().size() - 1);
-                    getActivity().setTitle(libraryItemPage.getPageTitle());
-                    // ActionBarに戻るボタンを表示する
-//                    getActivity().getActionBar().setDisplayHomeAsUpEnabled(true);
-                    listItemAdapter.notifyItemRangeInserted(0, libraryItemPage.getListItems().size() - 1);
             });
-                this.currentTotalItemCount = libraryItemPage.getListItems().size();
         });
     }
-    }
 
-    @Override
+    /**
-    public void onCreateOptionsMenu(@NonNull Menu menu, @NonNull MenuInflater inflater) {
+     * Currentにフォルダを作成する
-        inflater.inflate(R.menu.dir_menu, menu);
+     */
-        super.onCreateOptionsMenu(menu, inflater);
+    private void createFolder(String pageId) {
-    }
+        // TODO-rca: デザインをMaterial Design 3に合わせたカスタムダイアログにする
-
-    // Selected
-    @Override
-    public boolean onOptionsItemSelected(@NonNull MenuItem item) {
-        if (item.getItemId() == R.id.menu_item_create_new_folder) {
         AlertDialog.Builder builder = new AlertDialog.Builder(getContext());
         builder.setTitle("フォルダの作成");
         builder.setMessage("フォルダ名を入力してください");
@@ -154,33 +221,63 @@ public class LibraryPageFragment extends Fragment {
         input.setText("フォルダ名");
         builder.setView(input);
         builder.setPositiveButton("作成", (dialog, which) -> {
-                lacertaLibrary.createFolder(null, input.getText().toString()).thenAccept(folderId -> {
+            lacertaLibrary.createFolder(pageId, input.getText().toString()).thenAccept(folderId -> {
-                    logger.debug("LibraryTopFragment", "folderId: " + folderId);
-                });
                 // Refresh
-                updateItem();
+                updateItem(pageId);
+            });
         });
         builder.setNegativeButton("キャンセル", (dialog, which) -> {
             dialog.cancel();
         });
         builder.show();
-            return true;
-        } else {
-            return super.onOptionsItemSelected(item);
-        }
     }
 
-    private void updateItem() {
+    /**
-        lacertaLibrary.getLibraryPage(10).thenAccept(libraryItemPage -> {
+     * RecyclerViewのアイテムを更新する
+     */
+    private void updateItem(String pageId) {
+        lacertaLibrary.getLibraryPage(pageId, 10).thenAccept(libraryItemPage -> {
+            this.libraryItemPage = libraryItemPage;
             logger.debug("LibraryTopFragment", "Item selected! libraryItemPage.getListItems().size(): " + libraryItemPage.getListItems().size());
             getActivity().runOnUiThread(() -> {
-                listItemAdapter.notifyItemRangeRemoved(0, this.currentTotalItemCount - 1);
+                listItemAdapter.notifyItemRangeRemoved(0, libraryItemPage.getListItems().size() - 1);
             });
             listItemAdapter.setLibraryItemPage(libraryItemPage);
             getActivity().runOnUiThread(() -> {
                 listItemAdapter.notifyItemRangeInserted(0, libraryItemPage.getListItems().size() - 1);
             });
-            this.currentTotalItemCount = libraryItemPage.getListItems().size();
+        });
+    }
+
+    /**
+     * ToolbarをInitする
+     *
+     * @param toolbar Toolbar
+     * @param showBackButton 戻るボタンを表示するか
+     * @param title タイトル
+     */
+    private void toolbarSetup(Toolbar toolbar, boolean showBackButton, String title) {
+        getActivity().runOnUiThread(() -> {
+            if (showBackButton) {
+                toolbar.setNavigationIcon(one.nem.lacerta.shared.ui.R.drawable.arrow_back_24px);
+                toolbar.setNavigationOnClickListener(v -> {
+                    //this.libraryItemPage = lacertaLibrary.getLibraryPage(this.libraryItemPage.getParentId(), 10).join();
+                    // Back
+                    Navigation.findNavController(requireView()).popBackStack();
+                });
+            } else {
+                toolbar.setNavigationIcon(null);
+            }
+            toolbar.setTitle(title);
+            toolbar.inflateMenu(R.menu.dir_menu);
+            toolbar.setOnMenuItemClickListener(item -> {
+                if (item.getItemId() == R.id.menu_item_create_new_folder) {
+                    createFolder(this.folderId);
+                    return true;
+                } else {
+                    return false;
+                }
+            });
         });
     }
 }

feature/library/src/main/res/layout/fragment_library_top.xml

@@ -1,11 +1,50 @@
 <FrameLayout 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:background="@color/colorSurface">
+
+    <androidx.coordinatorlayout.widget.CoordinatorLayout
         android:layout_width="match_parent"
         android:layout_height="match_parent">
 
+        <com.google.android.material.appbar.AppBarLayout
+            android:id="@+id/app_bar_layout"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content">
+
+            <com.google.android.material.appbar.CollapsingToolbarLayout
+                android:id="@+id/collapsing_toolbar"
+                app:contentScrim="@color/colorSecondaryContainer"
+                android:background="@color/colorSurface"
+                android:layout_width="match_parent"
+                android:layout_height="160dp"
+                android:fitsSystemWindows="true"
+                android:minHeight="?attr/actionBarSize"
+                app:collapsedTitleGravity="start|center_vertical"
+                app:expandedTitleGravity="start|bottom"
+                app:expandedTitleMarginBottom="16dp"
+                app:expandedTitleMarginStart="16dp"
+                app:expandedTitleTextAppearance="@style/TextAppearance.MaterialComponents.Headline4"
+                app:layout_scrollFlags="scroll|exitUntilCollapsed">
+
+                <androidx.appcompat.widget.Toolbar
+                    android:id="@+id/library_toolbar"
+                    android:layout_width="match_parent"
+                    android:layout_height="?attr/actionBarSize"
+                    app:layout_collapseMode="pin"
+                    app:title="HOGE" />
+
+            </com.google.android.material.appbar.CollapsingToolbarLayout>
+
+        </com.google.android.material.appbar.AppBarLayout>
+
         <androidx.recyclerview.widget.RecyclerView
             android:id="@+id/library_item_recycler_view"
             android:layout_width="match_parent"
-        android:layout_height="match_parent" />
+            android:layout_height="match_parent"
+            app:layout_behavior="@string/appbar_scrolling_view_behavior" />
+
+    </androidx.coordinatorlayout.widget.CoordinatorLayout>
 
 </FrameLayout>

feature/library/src/main/res/navigation/feature_library_navigation.xml

@@ -8,5 +8,15 @@
         android:id="@+id/feature_library_top_fragment"
         android:name="one.nem.lacerta.feature.library.LibraryPageFragment"
         android:label="fragment_library_top"
-        tools:layout="@layout/fragment_library_top" />
+        tools:layout="@layout/fragment_library_top" >
+        <action
+            android:id="@+id/action_feature_library_top_fragment_self"
+            app:destination="@id/feature_library_top_fragment"
+            app:enterAnim="@anim/nav_default_enter_anim"
+            app:exitAnim="@anim/nav_default_exit_anim"
+            app:popEnterAnim="@anim/nav_default_pop_enter_anim"
+            app:popExitAnim="@anim/nav_default_pop_exit_anim"
+            app:popUpTo="@id/feature_library_top_fragment"
+            app:popUpToInclusive="false"/>
+    </fragment>
 </navigation>

feature/setting/src/main/res/layout/fragment_setting_top.xml

@@ -1,11 +1,50 @@
 <FrameLayout 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:background="@color/colorSurface">
+
+    <androidx.coordinatorlayout.widget.CoordinatorLayout
         android:layout_width="match_parent"
         android:layout_height="match_parent">
 
+        <com.google.android.material.appbar.AppBarLayout
+            android:id="@+id/app_bar_layout"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content">
+
+            <com.google.android.material.appbar.CollapsingToolbarLayout
+                android:id="@+id/collapsing_toolbar"
+                app:contentScrim="@color/colorSecondaryContainer"
+                android:background="@color/colorSurface"
+                android:layout_width="match_parent"
+                android:layout_height="160dp"
+                android:fitsSystemWindows="true"
+                android:minHeight="?attr/actionBarSize"
+                app:collapsedTitleGravity="start|center_vertical"
+                app:expandedTitleGravity="start|bottom"
+                app:expandedTitleMarginBottom="16dp"
+                app:expandedTitleMarginStart="16dp"
+                app:expandedTitleTextAppearance="@style/TextAppearance.MaterialComponents.Headline4"
+                app:layout_scrollFlags="scroll|exitUntilCollapsed">
+
+                <androidx.appcompat.widget.Toolbar
+                    android:id="@+id/toolbar"
+                    android:layout_width="match_parent"
+                    android:layout_height="?attr/actionBarSize"
+                    app:layout_collapseMode="pin"
+                    app:title="@string/setting_title" />
+
+            </com.google.android.material.appbar.CollapsingToolbarLayout>
+
+        </com.google.android.material.appbar.AppBarLayout>
+
         <androidx.recyclerview.widget.RecyclerView
             android:id="@+id/setting_item_recycler_view"
             android:layout_width="match_parent"
-        android:layout_height="match_parent" />
+            android:layout_height="match_parent"
+            app:layout_behavior="@string/appbar_scrolling_view_behavior" />
+
+    </androidx.coordinatorlayout.widget.CoordinatorLayout>
 
 </FrameLayout>

model/src/main/java/one/nem/lacerta/model/FragmentNavigation.java

@@ -4,4 +4,10 @@ import androidx.fragment.app.Fragment;
 
 public interface FragmentNavigation {
     void navigateToFragment(Fragment fragment);
+
+    void navigateToFragment(Fragment fragment, boolean addToBackStack);
+
+    void navigateToFragment(Fragment fragment, boolean addToBackStack, boolean clearBackStack);
+
+    void navigateToFragmentAlternate(Fragment fragment, boolean addToBackStack);
 }

model/src/main/java/one/nem/lacerta/model/LibraryItemPage.java

@@ -6,10 +6,18 @@ public class LibraryItemPage {
 
     String pageTitle;
     String pageId;
+    String parentId;
     ArrayList<ListItem> listItems;
 
     // Constructor
 
+    public LibraryItemPage(String pageTitle, String pageId, ArrayList<ListItem> listItems, String parentId) {
+        this.pageTitle = pageTitle;
+        this.pageId = pageId;
+        this.listItems = listItems;
+        this.parentId = parentId;
+    }
+
     public LibraryItemPage(String pageTitle, String pageId, ArrayList<ListItem> listItems) {
         this.pageTitle = pageTitle;
         this.pageId = pageId;
@@ -30,6 +38,10 @@ public class LibraryItemPage {
         return pageId;
     }
 
+    public String getParentId() {
+        return parentId;
+    }
+
     public ArrayList<ListItem> getListItems() {
         return listItems;
     }
@@ -44,6 +56,10 @@ public class LibraryItemPage {
         this.pageId = pageId;
     }
 
+    public void setParentId(String parentId) {
+        this.parentId = parentId;
+    }
+
     public void setListItems(ArrayList<ListItem> listItems) {
         this.listItems = listItems;
     }

model/src/main/java/one/nem/lacerta/model/PublicPath.java

@@ -39,6 +39,10 @@ public class PublicPath {
     }
 
     public PublicPath parse(String path) {
+        if (path == null) {
+            this.path.clear();
+            this.path.add("/");
+        } else {
             if (path.startsWith("/")) {
                 this.path.clear();
                 path = path.substring(1);
@@ -48,6 +52,7 @@ public class PublicPath {
                 Log.d("PublicPath", "parse: " + p);
                 resolveInternal(p);
             }
+        }
         return this;
     }
 

model/src/main/java/one/nem/lacerta/model/document/DocumentMeta.java

@@ -37,7 +37,7 @@ public class DocumentMeta { // TODO-rca: JavaDoc対応
      */
     List<DocumentTag> tags;
 
-    PublicPath path;
+    String parentId;
 
     String author;
 
@@ -54,7 +54,7 @@ public class DocumentMeta { // TODO-rca: JavaDoc対応
         this.tags = new ArrayList<>();
         this.author = ""; // TODO-rca: 作者のデフォルト値を設定できるようにする
         this.defaultBranch = "main"; // TODO-rca: デフォルトブランチのデフォルト値を設定できるようにする
-        this.path = new PublicPath().getRoot();
+        this.parentId = null;
         this.updatedAt = new Date();
         this.createdAt = new Date();
     }
@@ -85,13 +85,13 @@ public class DocumentMeta { // TODO-rca: JavaDoc対応
         this.defaultBranch = defaultBranch;
     }
 
-    public DocumentMeta(String id, String title, Date updatedAt, Date createdAt, List<DocumentTag> tags, PublicPath path, String author, String defaultBranch) {
+    public DocumentMeta(String id, String title, Date updatedAt, Date createdAt, List<DocumentTag> tags, String parentId, String author, String defaultBranch) {
         this.id = id;
         this.title = title;
         this.updatedAt = updatedAt;
         this.createdAt = createdAt;
         this.tags = tags;
-        this.path = path;
+        this.parentId = parentId;
         this.author = author;
         this.defaultBranch = defaultBranch;
     }
@@ -145,10 +145,10 @@ public class DocumentMeta { // TODO-rca: JavaDoc対応
     }
 
     /**
-     * PublicPathを取得する
+     * ドキュメントの親フォルダのID(String)を取得する
      */
-    public PublicPath getPath() {
+    public String getParentId() {
-        return path;
+        return parentId;
     }
 
     /**
@@ -208,11 +208,11 @@ public class DocumentMeta { // TODO-rca: JavaDoc対応
     }
 
     /**
-     * PublicPathを設定する
+     * ドキュメントの親フォルダのID(String)を設定する
-     * @param path PublicPath
+     * @param parentId ドキュメントの親フォルダのID
      */
-    public void setPath(PublicPath path) {
+    public void setParentId(String parentId) {
-        this.path = path;
+        this.parentId = parentId;
     }
 
     /**

source/src/main/java/one/nem/lacerta/source/database/LacertaDatabase.java

@@ -19,7 +19,7 @@ import one.nem.lacerta.source.database.dao.LibraryDao;
 import one.nem.lacerta.source.database.dao.VcsRevDao;
 import one.nem.lacerta.source.database.dao.VcsLogDao;
 
-@Database(entities = {TagEntity.class, DocumentEntity.class, LibraryEntity.class, VcsRevEntity.class, VcsLogEntity.class, FolderEntity.class}, version = 4)
+@Database(entities = {TagEntity.class, DocumentEntity.class, LibraryEntity.class, VcsRevEntity.class, VcsLogEntity.class, FolderEntity.class}, version = 5)
 public abstract class LacertaDatabase extends RoomDatabase {
     public abstract TagDao tagDao();
     public abstract DocumentDao documentDao();

source/src/main/java/one/nem/lacerta/source/database/dao/DocumentDao.java

@@ -29,8 +29,11 @@ public interface DocumentDao {
     @Query("SELECT * FROM Document WHERE id IN (:ids)")
     List<DocumentEntity> findByIds(List<String> ids);
 
-    @Query("SELECT * FROM Document WHERE public_path = :publicPath LIMIT :limit")
+    @Query("SELECT * FROM Document WHERE parent_id = :parentId")
-    List<DocumentEntity> findByPublicPathWithLimit(String publicPath, int limit);
+    List<DocumentEntity> findByParentId(String parentId);
+
+    @Query("SELECT * FROM Document WHERE parent_id IS NULL")
+    List<DocumentEntity> findRootDocuments();
 
     @Query("SELECT * FROM Document ORDER BY created_at DESC LIMIT :limit")
     List<DocumentEntity> getRecentDocument(int limit);

source/src/main/java/one/nem/lacerta/source/database/dao/FolderDao.java

@@ -15,11 +15,11 @@ public interface FolderDao {
     @Query("SELECT * FROM Folder WHERE id = :id")
     FolderEntity findById(String id);
 
-    @Query("SELECT * FROM Folder WHERE public_path = :publicPath")
+    @Query("SELECT * FROM Folder WHERE parent_id = :parentId")
-    FolderEntity findByPublicPath(String publicPath);
+    List<FolderEntity> findByParentId(String parentId);
 
-    @Query("SELECT * FROM Folder WHERE public_path = :publicPath LIMIT :limit")
+    @Query("SELECT * FROM Folder WHERE parent_id IS NULL")
-    List<FolderEntity> findByPublicPathWithLimit(String publicPath, int limit);
+    List<FolderEntity> findRootFolders();
 
     @Insert
     void insert(FolderEntity folderEntity);

source/src/main/java/one/nem/lacerta/source/database/entity/DocumentEntity.java

@@ -40,6 +40,6 @@ public class DocumentEntity {
     @ColumnInfo(name = "tag_ids")
     public List<String> tagIds; // タグ
 
-    @ColumnInfo(name = "public_path")
+    @ColumnInfo(name = "parent_id")
-    public String publicPath; // 公開パス
+    public String parentId; // 親フォルダID
 }

source/src/main/java/one/nem/lacerta/source/database/entity/FolderEntity.java

@@ -16,7 +16,7 @@ public class FolderEntity {
     @ColumnInfo(name = "title")
     public String name; // フォルダ名
 
-    @ColumnInfo(name = "public_path")
+    @ColumnInfo(name = "parent_id")
-    public String publicPath; // 公開パス
+    public String parentId; // 親フォルダID
 
 }