Makes the dashboard editable.

Android/app/src/main/java/com/majinnaibu/monstercards/data/DashboardDAO.java

@@ -0,0 +1,39 @@
+package com.majinnaibu.monstercards.data;
+
+import androidx.room.Dao;
+import androidx.room.Insert;
+import androidx.room.Query;
+import androidx.room.Update;
+
+import com.majinnaibu.monstercards.models.DashboardMonster;
+import com.majinnaibu.monstercards.models.Monster;
+
+import java.util.List;
+
+import io.reactivex.rxjava3.core.Completable;
+import io.reactivex.rxjava3.core.Flowable;
+
+@Dao
+public interface DashboardDAO {
+
+    @Query("SELECT monsters.* FROM monsters INNER JOIN dashboard_monsters ON monsters.id = dashboard_monsters.monster_id ORDER BY dashboard_monsters.ordinal ASC, dashboard_monsters.id ASC")
+    Flowable<List<Monster>> getDashboardMonsters();
+
+    @Query("SELECT * FROM dashboard_monsters ORDER BY ordinal ASC, id ASC")
+    Flowable<List<DashboardMonster>> getDashboardMonsterEntries();
+
+    @Insert
+    Completable addMonsterToDashboard(DashboardMonster... dashboardMonsters);
+
+    @Query("DELETE FROM dashboard_monsters WHERE id = :id")
+    Completable removeDashboardMonsterById(long id);
+
+    @Query("DELETE FROM dashboard_monsters WHERE monster_id = :monsterId")
+    Completable removeMonsterFromDashboard(String monsterId);
+
+    @Query("DELETE FROM dashboard_monsters")
+    Completable clearDashboard();
+
+    @Update
+    Completable updateDashboardMonsters(List<DashboardMonster> dashboardMonsters);
+}

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

@@ -7,6 +7,7 @@ import com.majinnaibu.monstercards.helpers.StringHelper;
 import com.majinnaibu.monstercards.models.Collection;
 import com.majinnaibu.monstercards.models.CollectionMonster;
 import com.majinnaibu.monstercards.models.CollectionWithCount;
+import com.majinnaibu.monstercards.models.DashboardMonster;
 import com.majinnaibu.monstercards.models.Monster;
 import com.majinnaibu.monstercards.models.SearchResultItem;
 
@@ -197,6 +198,68 @@ public class MonsterRepository {
         return result;
     }
 
+    public Flowable<List<Monster>> getDashboardMonsters() {
+        return m_db.dashboardDAO()
+                .getDashboardMonsters()
+                .subscribeOn(Schedulers.io())
+                .observeOn(AndroidSchedulers.mainThread());
+    }
+
+    public Flowable<List<DashboardMonster>> getDashboardMonsterEntries() {
+        return m_db.dashboardDAO()
+                .getDashboardMonsterEntries()
+                .subscribeOn(Schedulers.io())
+                .observeOn(AndroidSchedulers.mainThread());
+    }
+
+    public Completable addMonsterToDashboard(@NonNull UUID monsterId) {
+        DashboardMonster entry = new DashboardMonster(monsterId, 0);
+        Completable result = m_db.dashboardDAO().addMonsterToDashboard(entry);
+        result.subscribeOn(Schedulers.io()).observeOn(AndroidSchedulers.mainThread());
+        return result;
+    }
+
+    public Completable addCollectionToDashboard(@NonNull UUID collectionId) {
+        return m_db.collectionDAO().getMonstersForCollection(collectionId.toString())
+                .firstOrError()
+                .flatMapCompletable(monsters -> {
+                    if (monsters.isEmpty()) {
+                        return Completable.complete();
+                    }
+                    DashboardMonster[] entries = new DashboardMonster[monsters.size()];
+                    for (int i = 0; i < monsters.size(); i++) {
+                        entries[i] = new DashboardMonster(monsters.get(i).id, i);
+                    }
+                    return m_db.dashboardDAO().addMonsterToDashboard(entries);
+                })
+                .subscribeOn(Schedulers.io())
+                .observeOn(AndroidSchedulers.mainThread());
+    }
+
+    public Completable removeMonsterFromDashboard(@NonNull UUID monsterId) {
+        Completable result = m_db.dashboardDAO().removeMonsterFromDashboard(monsterId.toString());
+        result.subscribeOn(Schedulers.io()).observeOn(AndroidSchedulers.mainThread());
+        return result;
+    }
+
+    public Completable removeDashboardMonsterById(long id) {
+        Completable result = m_db.dashboardDAO().removeDashboardMonsterById(id);
+        result.subscribeOn(Schedulers.io()).observeOn(AndroidSchedulers.mainThread());
+        return result;
+    }
+
+    public Completable clearDashboard() {
+        Completable result = m_db.dashboardDAO().clearDashboard();
+        result.subscribeOn(Schedulers.io()).observeOn(AndroidSchedulers.mainThread());
+        return result;
+    }
+
+    public Completable updateDashboardMonsters(List<DashboardMonster> items) {
+        Completable result = m_db.dashboardDAO().updateDashboardMonsters(items);
+        result.subscribeOn(Schedulers.io()).observeOn(AndroidSchedulers.mainThread());
+        return result;
+    }
+
     private static class Helpers {
         static boolean monsterMatchesSearch(Monster monster, String searchText) {
             if (StringHelper.isNullOrEmpty(searchText)) {