CriteriaCompo.php

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<?php
/*
 You may not change or alter any portion of this comment or credits
 of supporting developers from this source code or any supporting source code
 which is considered copyrighted (c) material of the original comment or credit authors.

 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*/

namespace Xoops\Core\Kernel;

use Xoops\Core\Kernel\CriteriaElement;
use Doctrine\DBAL\Query\QueryBuilder;

class CriteriaCompo extends CriteriaElement
{
    protected $criteriaElements = array();

    protected $conditions = array();

    public function __construct(CriteriaElement $ele = null, $condition = 'AND')
    {
        if (isset($ele)) {
            $this->add($ele, $condition);
        }
    }

    public function add(CriteriaElement $criteriaElement, $condition = 'AND')
    {
        $this->criteriaElements[] = $criteriaElement;
        $this->conditions[] = $condition;
        return $this;
    }

    public function render()
    {
        $ret = '';
        foreach ($this->criteriaElements as $i => $element) {
            if (!is_object($element)) {
                continue;
            }
            /* @var $element CriteriaElement */
            if ($i == 0) {
                $ret = $element->render();
            } else {
                if (!$render = $element->render()) {
                    continue;
                }
                $ret .= ' ' . $this->conditions[$i] . ' (' . $render . ')';
            }
            $ret = "({$ret})";
        }
        $ret = ($ret=='()') ? '(1)' : $ret;
        return $ret;
    }

    public function renderWhere()
    {
        $ret = $this->render();
        $ret = ($ret != '') ? 'WHERE ' . $ret : $ret;
        return $ret;
    }

    public function renderLdap()
    {
        $ret = '';
        foreach ($this->criteriaElements as $i => $element) {
            /* @var $element CriteriaElement */
            if ($i == 0) {
                $ret = $element->renderLdap();
            } else {
                $cond = strtoupper($this->conditions[$i]);
                $op = ($cond == "OR") ? "|" : "&";
                $ret = "({$op}{$ret}" . $element->renderLdap() . ")";
            }
        }
        return $ret;
    }

    public function renderQb(QueryBuilder $qb = null, $whereMode = '')
    {
        if ($qb==null) {
            $qb = \Xoops::getInstance()->db()->createXoopsQueryBuilder();
            $whereMode = ''; // first entry in new instance must be where
        }

        $expr = '';
        foreach ($this->criteriaElements as $i => $element) {
            $expr_part = $element->buildExpressionQb($qb);
            if ($expr_part !== false) {
                if ($i == 0) {
                    $expr = $expr_part;
                } else {
                    $expr .= ' ' . strtoupper($this->conditions[$i]) . ' ' . $expr_part;
                }
            }
        }

        if (!empty($expr)) {
            $expr = '(' . $expr . ')'; // group all condtions in this compo

            switch (strtolower($whereMode)) {
                case 'and':
                    $qb->andWhere($expr);
                    break;
                case 'or':
                    $qb->orWhere($expr);
                    break;
                case '':
                    $qb->where($expr);
                    break;
            }
        }

        if ($this->limit!=0 || $this->start!=0) {
            $qb->setFirstResult($this->start)
                ->setMaxResults($this->limit);
        }

        if (!empty($this->groupby)) {
            $qb->groupBy($this->groupby);
        }

        if (!empty($this->sort)) {
            $qb->orderBy($this->sort, $this->order);
        }
        return $qb;
    }

    public function buildExpressionQb(QueryBuilder $qb)
    {
        $expr = false;
        foreach ($this->criteriaElements as $i => $element) {
            $expr_part = $element->buildExpressionQb($qb);
            if ($expr_part !== false) {
                if ($i == 0) {
                    $expr = $expr_part;
                } else {
                    $expr .= ' ' . strtoupper($this->conditions[$i]) . ' ' . $expr_part;
                }
            }
        }

        if (!empty($expr)) {
            $expr = '(' . $expr . ')'; // group all condtions in this compo
        }
        return $expr;
    }
}