DataProvider

<?php

class DataProvider
{
    protected $table;

    protected $alias;

    protected $query;

    protected $filters = [];

    public function __construct()
    {
        if (empty($this->alias)) {
            $this->alias = $this->table;
        }

        $query = DB::table(sprintf('%s as %s', $this->table, $this->alias));
        $query->select(sprintf('%s.*', $this->alias));
        $this->modifyQueryBuilder($query);
        $this->query = $query;
    }

    public function getQuery()
    {
        return $this->query;
    }

    public function modifyQueryBuilder(&$query)
    {

    }

    public function getData()
    {
        return $this->getQuery()->get();
    }
}