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Current File : //opt/cpanel/ea-php54/root/usr/share/pear/RVSeagullMod/modules/faqweb/www/inc/Rating.php

<?php
/**
 * $Id$
 *
 * The main Rating class
 *
 * @package      phpMyFAQ
 * @author       Thorsten Rinne <thorsten@phpmyfaq.de>
 * @since        2007-03-31
 * @copyright    (c) 2007 phpMyFAQ Team
 *
 * The contents of this file are subject to the Mozilla Public License
 * Version 1.1 (the "License"); you may not use this file except in
 * compliance with the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS"
 * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
 * License for the specific language governing rights and limitations
 * under the License.
 */

class PMF_Rating
{
    /**
     * DB handle
     *
     * @var object PMF_Db
     */
    var $db;

    /**
     * Language
     *
     * @var string
     */
    var $language;

    /**
     * Database type
     *
     * @var string
     */
    var $type;

    /**
     * Constructor
     *
     * @param   object  PMF_Db
     * @param   string  $language
     * @since   2007-03-31
     * @author  Thorsten Rinne <thorsten@phpmyfaq.de>
     */
    function PMF_Rating(&$db, $language)
    {
        global $DB;

        $this->db       = &$db;
        $this->language = $language;
        $this->type     = $DB['type'];
    }

    /**
     * Returns all ratings of FAQ records
     *
     * @return  array
     * @access  public
     * @since   2007-03-31
     * @author  Thorsten Rinne <thorsten@phpmyfaq.de>
     */
    function getAllRatings()
    {
        $ratings = array();

        switch($this->type) {
            case 'mssql':
            // In order to remove this MS SQL 2000/2005 "limit" below:
            //   The text, ntext, and image data types cannot be compared or sorted, except when using IS NULL or LIKE operator.
            // we'll cast faqdata.thema datatype from text to char(2000)
            // Note: the char length is simply an heuristic value
            // Doing so we'll also need to trim $row->thema to remove blank chars when it is shorter than 2000 chars
                $query = sprintf("
                    SELECT
                        fd.id AS id,
                        fd.lang AS lang,
                        fcr.category_id AS category_id,
                        CAST(fd.thema as char(2000)) AS question,
                        (fv.vote / fv.usr) AS num,
                        fv.usr AS usr
                    FROM
                        %sfaqvoting fv,
                        %sfaqdata fd
                    LEFT JOIN
                        %sfaqcategoryrelations fcr
                    ON
                        fd.id = fcr.record_id
                    AND
                        fd.lang = fcr.record_lang
                    WHERE
                        fd.id = fv.artikel
                    GROUP BY
                        fd.id,
                        fd.lang,
                        fd.active,
                        fcr.category_id,
                        CAST(fd.thema as char(2000)),
                        fv.vote,
                        fv.usr
                    ORDER BY
                        fcr.category_id",
                    SQLPREFIX,
                    SQLPREFIX,
                    SQLPREFIX);
                break;

             default:
                $query = sprintf("
                    SELECT
                        fd.id AS id,
                        fd.lang AS lang,
                        fcr.category_id AS category_id,
                        fd.thema AS question,
                        (fv.vote / fv.usr) AS num,
                        fv.usr AS usr
                    FROM
                        %sfaqvoting fv,
                        %sfaqdata fd
                    LEFT JOIN
                        %sfaqcategoryrelations fcr
                    ON
                        fd.id = fcr.record_id
                    AND
                        fd.lang = fcr.record_lang
                    WHERE
                        fd.id = fv.artikel
                    GROUP BY
                        fd.id,
                        fd.lang,
                        fd.active,
                        fcr.category_id,
                        fd.thema,
                        fv.vote,
                        fv.usr
                    ORDER BY
                        fcr.category_id",
                    SQLPREFIX,
                    SQLPREFIX,
                    SQLPREFIX);
                break;
        }

        $result = $this->db->query($query);
        while ($row = $this->db->fetch_object($result)) {
        	$ratings[] = array(
        	   'id'            => $row->id,
        	   'lang'          => $row->lang,
        	   'category_id'   => $row->category_id,
        	   'question'      => $row->question,
        	   'num'           => $row->num,
        	   'usr'           => $row->usr);
        }

        return $ratings;
    }


}

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