Fix lot of things haha

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

@@ -0,0 +1,68 @@
+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!!
+        }
+    }
+}