Abstract Filters Class

Filters.php

<?php

namespace App\Filters;

abstract class Filters
{

    /**
     * The protected request and query objects.
     * @var object
     */
    protected object $request, $query;

    /**
     * The protected filters array.
     * @var array
     */
    protected array $filters = [];

    /**
     * Filters class constructor.
     * @param $request
     */
    public function __construct($request)
    {
        $this->request = $request;
    }

    /**
     * Apply the filters to the query.
     * @param $query
     * @return object
     */
    public function apply($query): object
    {
        $this->query = $query;


        foreach ($this->getFilters() as $filter => $value) {
            if (method_exists($this, $filter)) {
                $this->$filter($value);
            }
        }

        return $this->query;
    }

    /**
     * Get the filters from the request.
     * @return mixed
     */
    public function getFilters(): mixed
    {
        $filters = array_intersect(array_keys($this->request->all()), $this->filters);
        return $this->request->only($filters);
    }

}