chinwag-android/app/src/main/java/com/keylesspalace/tusky/db/AppDatabase.java

/* Copyright 2017 Andrew Dawson
 *
 * This file is a part of Tusky.
 *
 * This program is free software; you can redistribute it and/or modify it under the terms of the
 * GNU General Public License as published by the Free Software Foundation; either version 3 of the
 * License, or (at your option) any later version.
 *
 * Tusky is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
 * the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
 * Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along with Tusky; if not,
 * see <http://www.gnu.org/licenses>. */

package com.keylesspalace.tusky.db;

import android.arch.persistence.db.SupportSQLiteDatabase;
import android.arch.persistence.room.Database;
import android.arch.persistence.room.RoomDatabase;
import android.arch.persistence.room.migration.Migration;
import android.support.annotation.NonNull;

/**
 * DB version & declare DAO
 */

@Database(entities = {TootEntity.class, AccountEntity.class}, version = 4, exportSchema = false)
public abstract class AppDatabase extends RoomDatabase {

    public abstract TootDao tootDao();
    public abstract AccountDao accountDao();

    public static final Migration MIGRATION_2_3 = new Migration(2, 3) {
        @Override
        public void migrate(@NonNull SupportSQLiteDatabase database) {
            database.execSQL("CREATE TABLE TootEntity2 (uid INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, text TEXT, urls TEXT, contentWarning TEXT);");
            database.execSQL("INSERT INTO TootEntity2 SELECT * FROM TootEntity;");
            database.execSQL("DROP TABLE TootEntity;");
            database.execSQL("ALTER TABLE TootEntity2 RENAME TO TootEntity;");

        }
    };

    public static final Migration MIGRATION_3_4 = new Migration(3, 4) {
        @Override
        public void migrate(@NonNull SupportSQLiteDatabase database) {
            database.execSQL("ALTER TABLE TootEntity ADD COLUMN inReplyToId TEXT");
            database.execSQL("ALTER TABLE TootEntity ADD COLUMN inReplyToText TEXT");
            database.execSQL("ALTER TABLE TootEntity ADD COLUMN inReplyToUsername TEXT");
            database.execSQL("ALTER TABLE TootEntity ADD COLUMN visibility INTEGER");
        }
    };
}