<?php

namespace Query;

class XMLFeed
{
    public static function categorizedProducts()
    {
        return function (QueryBuilder $qb) {
            return $qb->expr()->isNotNull('ps.id_section');
        };
    }

    public static function productsInFeed()
    {
        return function (QueryBuilder $qb) {
            return $qb->expr()->eq('p.show_in_feed', '1');
        };
    }

    public static function showInStore($in_store_only)
    {
        return function (QueryBuilder $qb) use ($in_store_only) {
            if ($in_store_only && !findModule(\Modules::PRODUCTS_SUPPLIERS)) {
                $qb->expr()->gt('COALESCE(pv.in_store, p.in_store)', 0);
            }
        };
    }

    public static function limit($count, $offset = null)
    {
        return function (QueryBuilder $qb) use ($count, $offset) {
            if (isset($offset)) {
                $qb->setFirstResult($offset);
            }
            $qb->setMaxResults($count);
        };
    }
}