Talentica/AndroidWithKotlin

/*
 * Copyright 2017, The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.talentica.androidkotlin.db

import android.content.Context
import androidx.room.Database
import androidx.room.Room
import androidx.room.RoomDatabase
import androidx.room.TypeConverters
import com.talentica.androidkotlin.db.converter.DateConverter
import com.talentica.androidkotlin.db.dao.CommentDao
import com.talentica.androidkotlin.db.dao.ProductDao
import com.talentica.androidkotlin.db.entity.CommentEntity
import com.talentica.androidkotlin.db.entity.ProductEntity
import kotlinx.coroutines.CoroutineScope

@Database(entities = [ProductEntity::class, CommentEntity::class], version = 1)
@TypeConverters(
    DateConverter::class
)
abstract class AppDatabase : RoomDatabase() {
    abstract fun productDao(): ProductDao
    abstract fun commentDao(): CommentDao

    companion object {
        @Volatile
        private var INSTANCE: AppDatabase? = null
        const val DATABASE_NAME = "basic-sample-db"
        fun getDatabase(context: Context, scope: CoroutineScope): AppDatabase {
            return INSTANCE ?: synchronized(this) {
                val instance = Room.databaseBuilder(
                    context.applicationContext,
                    AppDatabase::class.java,
                    DATABASE_NAME
                )
                    .build()
                INSTANCE = instance
                instance
            }
        }
    }
}