Removed unwanted code and files

app/src/main/java/code/name/monkey/retromusic/providers/NotPlayedStore.kt

@@ -1,82 +0,0 @@
-/*
- * Copyright (c) 2019 Hemanth Savarala.
- *
- * Licensed under the GNU General Public License v3
- *
- * This 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.
- *
- * This software 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.
- */
-
-package code.name.monkey.retromusic.providers
-
-import android.content.ContentValues
-import android.content.Context
-import android.database.sqlite.SQLiteDatabase
-import android.database.sqlite.SQLiteOpenHelper
-import code.name.monkey.retromusic.loaders.SongLoader
-import code.name.monkey.retromusic.model.Song
-import io.reactivex.schedulers.Schedulers
-
-class NotPlayedStore(val context: Context) : SQLiteOpenHelper(context, DATABASE_NAME, null, VERSION) {
-
-    private val dataBaseCreate = "CREATE TABLE IF NOT EXISTS  $NAME ( $ID LONG PRIMARY KEY )"
-
-    override fun onCreate(db: SQLiteDatabase) {
-        db.execSQL(dataBaseCreate)
-    }
-
-    override fun onUpgrade(db: SQLiteDatabase, oldVersion: Int, newVersion: Int) {
-        db.execSQL("DROP TABLE IF EXISTS $NAME")
-    }
-
-    fun removeSong(id: Long) {
-        val db = writableDatabase
-        db.apply {
-            beginTransaction()
-            delete(NAME, "$ID = $id", null)
-            setTransactionSuccessful()
-            endTransaction()
-            close()
-        }
-    }
-
-    fun addAllSongs(songs: ArrayList<Song>) {
-        SongLoader.getAllSongs(context)
-                .map {
-                    val database = writableDatabase;
-                    database.apply {
-                        val contentValues = ContentValues()
-                        for (song in songs) {
-                            contentValues.put(ID, song.id)
-                            insert(NAME, null, contentValues)
-                        }
-                        setTransactionSuccessful()
-                        endTransaction()
-                    }
-                    return@map true
-                }
-                .subscribeOn(Schedulers.io())
-                .subscribe()
-    }
-
-    companion object {
-        const val NAME = "not_played_songs"
-        const val ID = "song_id"
-        const val DATABASE_NAME = "not_played.db"
-        private const val VERSION = 1
-        private var sInstance: NotPlayedStore? = null
-
-        @Synchronized
-        fun getInstance(context: Context): NotPlayedStore {
-            if (sInstance == null) {
-                sInstance = NotPlayedStore(context.applicationContext)
-            }
-            return sInstance!!
-        }
-    }
-}