Insert CRUD operation

The insert operation will add new data into the database. What follows is its implementation:

    val NOTE = object : Crud<Note> { 
      ... 
      override fun insert(what: Note): Long { 
        val inserted = insert(listOf(what)) 
        if (!inserted.isEmpty()) return inserted[0] 
        return 0 
      } 
 
     override fun insert(what: Collection<Note>): List<Long> { 
       val db = DbHelper(name, version).writableDatabase 
       db.beginTransaction() 
       var inserted = 0 
       val items = mutableListOf<Long>() 
       what.forEach { item -> 
         val values = ContentValues() 
         val table = DbHelper.TABLE_NOTES 
         values.put(DbHelper.COLUMN_TITLE, item.title) 
         values.put(DbHelper.COLUMN_MESSAGE, item.message) 
         values.put(DbHelper.COLUMN_LOCATION_LATITUDE,
           item.location.latitude) 
         values.put(DbHelper.COLUMN_LOCATION_LONGITUDE,
           item.location.longitude) 
         val id = db.insert(table, null, values) 
           if (id > 0) { 
             items.add(id) 
             Log.v(tag, "Entry ID assigned [ $id ]") 
               inserted++ 
             } 
           } 
           val success = inserted == what.size 
           if (success) { 
                db.setTransactionSuccessful() 
           } else { 
                items.clear() 
           } 
            db.endTransaction() 
            db.close() 
            return items 
          } 
          ... 
    } 
    ... 
    val TODO = object : Crud<Todo> { 
      ... 
      override fun insert(what: Todo): Long { 
        val inserted = insert(listOf(what)) 
        if (!inserted.isEmpty()) return inserted[0] 
        return 0 
      } 
 
      override fun insert(what: Collection<Todo>): List<Long> { 
        val db = DbHelper(name, version).writableDatabase 
        db.beginTransaction() 
        var inserted = 0 
        val items = mutableListOf<Long>() 
        what.forEach { item -> 
          val table = DbHelper.TABLE_TODOS 
          val values = ContentValues() 
          values.put(DbHelper.COLUMN_TITLE, item.title) 
          values.put(DbHelper.COLUMN_MESSAGE, item.message) 
          values.put(DbHelper.COLUMN_LOCATION_LATITUDE,
          item.location.latitude) 
          values.put(DbHelper.COLUMN_LOCATION_LONGITUDE,
          item.location.longitude) 
          values.put(DbHelper.COLUMN_SCHEDULED, item.scheduledFor) 
            val id = db.insert(table, null, values) 
            if (id > 0) { 
              item.id = id 
              Log.v(tag, "Entry ID assigned [ $id ]") 
              inserted++ 
            } 
           } 
           val success = inserted == what.size 
           if (success) { 
                db.setTransactionSuccessful() 
           } else { 
               items.clear() 
           } 
           db.endTransaction() 
           db.close() 
           return items 
          } 
         ... 
     } 
     ...