Search Method for Laravel Repository

SampleRepositorySearch.php

public function search($input = []) {
    	$query = $this->model;
    	if (isset($input['tenant_id']))
    		$query = $query->ofTenantId($input['tenant_id']);

    	if (isset($input['keywords']) && ($k = $input['keywords'])) {
    		$query = $query
    		->where(function ($subquery) use ($k) {
    			return $subquery
    			->where('last_name', 'like', "%{$k}%")
    			->orWhere('first_name', 'like', "%{$k}%")
    			->orWhere('identity', 'like', "%{$k}%")
    			->orWhere('email', 'like', "%{$k}%");
    		});
    	}
    	return $query->select('users.*')->orderBy('users.created_at', 'desc');
}