374 lines
14 KiB
PHP
374 lines
14 KiB
PHP
<?php
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/**
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*
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* This file is part of HESK - PHP Help Desk Software.
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*
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* (c) Copyright Klemen Stirn. All rights reserved.
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* https://www.hesk.com
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*
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* For the full copyright and license agreement information visit
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* https://www.hesk.com/eula.php
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*
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*/
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define('IN_SCRIPT',1);
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define('HESK_PATH','./');
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/* Get all the required files and functions */
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require(HESK_PATH . 'hesk_settings.inc.php');
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// TODO Pull this from settings
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define('TEMPLATE_PATH', HESK_PATH . "theme/{$hesk_settings['site_theme']}/");
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require(HESK_PATH . 'inc/common.inc.php');
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// Are we in maintenance mode?
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hesk_check_maintenance();
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// Is Knowledgebase enabled?
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if (!$hesk_settings['kb_enable'])
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{
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hesk_error($hesklang['kbdis']);
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}
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// Connect to database
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hesk_load_database_functions();
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hesk_dbConnect();
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// Do we have any public articles at all?
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$res = hesk_dbQuery("SELECT `t1`.`id` FROM `".hesk_dbEscape($hesk_settings['db_pfix'])."kb_articles` AS `t1`
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LEFT JOIN `".hesk_dbEscape($hesk_settings['db_pfix'])."kb_categories` AS `t2` ON `t1`.`catid` = `t2`.`id`
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WHERE `t1`.`type`='0' AND `t2`.`type`='0' LIMIT 1");
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// If yes, load KB functions; if not, disable and hide the KB
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if (hesk_dbNumRows($res) < 1)
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{
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hesk_error($hesklang['noa']);
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}
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// Load KB functions
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require(HESK_PATH . 'inc/knowledgebase_functions.inc.php');
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/* Rating? */
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if (isset($_GET['rating']))
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{
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// Detect and block robots
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if (hesk_detect_bots())
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{
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?>
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<html>
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<head>
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<meta name="robots" content="noindex, nofollow">
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</head>
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<body>
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</body>
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</html>
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<?php
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}
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// Rating
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$rating = intval( hesk_GET('rating') );
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// Rating value may only be 1 or 5
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if ($rating != 1 && $rating != 5)
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{
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die($hesklang['attempt']);
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}
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// Article ID
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$artid = intval( hesk_GET('id', 0) ) or die($hesklang['kb_art_id']);
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// Check cookies for already rated, rate and set cookie if not already
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$_COOKIE['hesk_kb_rate'] = hesk_COOKIE('hesk_kb_rate');
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if (strpos($_COOKIE['hesk_kb_rate'],'a'.$artid.'%')===false)
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{
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// Update rating, make sure it's a public article in a public category
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hesk_dbQuery("UPDATE `".hesk_dbEscape($hesk_settings['db_pfix'])."kb_articles` AS `t1`
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LEFT JOIN `".hesk_dbEscape($hesk_settings['db_pfix'])."kb_categories` AS `t2` ON t1.`catid` = t2.`id`
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SET `rating`=((`rating`*`votes`)+{$rating})/(`votes`+1), t1.`votes`=t1.`votes`+1
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WHERE t1.`id`='{$artid}' AND t1.`type`='0' AND t2.`type`='0'
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");
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}
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hesk_setcookie('hesk_kb_rate', $_COOKIE['hesk_kb_rate'].'a'.$artid.'%', time()+2592000);
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header('Location: knowledgebase.php?article='.$artid.'&rated=1');
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exit();
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}
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// Get list of public categories
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$hesk_settings['public_kb_categories'] = hesk_kbCategoriesArray();
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/* Any category ID set? */
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$catid = intval( hesk_GET('category', 1) );
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$artid = intval( hesk_GET('article', 0) );
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if (isset($_GET['search']))
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{
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$query = hesk_input( hesk_GET('search') );
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}
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else
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{
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$query = 0;
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}
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$hesk_settings['kb_link'] = ($artid || $catid != 1 || $query) ? '<a href="knowledgebase.php" class="smaller">'.$hesklang['kb_text'].'</a>' : $hesklang['kb_text'];
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if ($hesk_settings['kb_search'] && $query)
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{
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hesk_kb_search($query);
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}
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elseif ($artid)
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{
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// Get article from DB, make sure that article and category are public
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$result = hesk_dbQuery("SELECT t1.*, t2.`name` AS `cat_name`
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FROM `".hesk_dbEscape($hesk_settings['db_pfix'])."kb_articles` AS `t1`
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LEFT JOIN `".hesk_dbEscape($hesk_settings['db_pfix'])."kb_categories` AS `t2` ON `t1`.`catid` = `t2`.`id`
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WHERE `t1`.`id` = '{$artid}'
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AND `t1`.`type` = '0'
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AND `t2`.`type` = '0'
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");
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$article = hesk_dbFetchAssoc($result) or hesk_error($hesklang['kb_art_id']);
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$article['views_formatted'] = number_format($article['views'], 0, null, $hesklang['sep_1000']);
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$article['votes_formatted'] = number_format($article['votes'], 0, null, $hesklang['sep_1000']);
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if ($article['catid'] == 1)
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{
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$article['cat_name'] = $hesklang['kb_text'];
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}
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hesk_show_kb_article($artid);
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}
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else
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{
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hesk_show_kb_category($catid);
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}
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exit();
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function hesk_kb_search($query) {
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global $hesk_settings, $hesklang;
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define('HESK_NO_ROBOTS',1);
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$hesk_settings['tmp_title'] = $hesklang['sr'] . ': ' . hesk_mb_substr(hesk_htmlspecialchars(stripslashes($query)),0,20);
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$res = hesk_dbQuery('SELECT t1.`id`, t1.`subject`, LEFT(`t1`.`content`, '.max(200, $hesk_settings['kb_substrart'] * 2).') AS `content`, t1.`rating`, t1.`votes`, t1.`views` FROM `'.hesk_dbEscape($hesk_settings['db_pfix']).'kb_articles` AS t1
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LEFT JOIN `'.hesk_dbEscape($hesk_settings['db_pfix'])."kb_categories` AS t2 ON t1.`catid` = t2.`id`
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WHERE t1.`type`='0' AND t2.`type`='0' AND MATCH(`subject`,`content`,`keywords`) AGAINST ('".hesk_dbEscape($query)."') LIMIT " . intval($hesk_settings['kb_search_limit']));
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$num = hesk_dbNumRows($res);
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$articles = array();
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while ($article = hesk_dbFetchAssoc($res))
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{
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$article['content_preview'] = hesk_kbArticleContentPreview($article['content']);
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$article['views_formatted'] = number_format($article['views'], 0, null, $hesklang['sep_1000']);
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$article['votes_formatted'] = number_format($article['votes'], 0, null, $hesklang['sep_1000']);
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$articles[] = $article;
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}
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if ($num === 0) {
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hesk_show_kb_category(1, 1);
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} else {
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$hesk_settings['render_template'](TEMPLATE_PATH . 'customer/knowledgebase/search-results.php', array('articles' => $articles));
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}
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return true;
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} // END hesk_kb_search()
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function hesk_show_kb_article($artid)
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{
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global $hesk_settings, $hesklang, $article;
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// Print header
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$hesk_settings['tmp_title'] = $article['subject'];
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// Update views by 1 - exclude known bots and reloads because of ratings
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if (!isset($_GET['rated']) && !hesk_detect_bots())
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{
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hesk_dbQuery("UPDATE `".hesk_dbEscape($hesk_settings['db_pfix'])."kb_articles` SET `views`=`views`+1 WHERE `id`={$artid}");
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$article['views']++;
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$article['views_formatted'] = number_format($article['views'], 0, null, $hesklang['sep_1000']);
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}
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if ($article['catid']==1)
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{
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$link = 'knowledgebase.php';
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}
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else
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{
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$link = 'knowledgebase.php?category='.$article['catid'];
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}
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$response = array(
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'article' => $article,
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'attachments' => array(),
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'showRating' => $hesk_settings['kb_rating'] && strpos(hesk_COOKIE('hesk_kb_rate'),'a'.$artid.'%') === false,
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'categoryLink' => $link
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);
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if (!empty($article['attachments'])) {
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$attachments = explode(',', substr($article['attachments'], 0, -1));
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foreach ($attachments as $attachment) {
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list($att_id, $att_name) = explode('#', $attachment);
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$response['attachments'][] = array(
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'id' => $att_id,
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'name' => $att_name
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);
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}
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}
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if (isset($_GET['rated'])) {
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$article['views']++;
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}
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$related_articles = array();
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// Related articles
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if ($hesk_settings['kb_related'])
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{
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require(HESK_PATH . 'inc/mail/email_parser.php');
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$query = hesk_dbEscape( $article['subject'] . ' ' . convert_html_to_text($article['content']) );
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// Get relevant articles from the database
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$res = hesk_dbQuery("SELECT t1.`id`, t1.`subject`, MATCH(`subject`,`content`,`keywords`) AGAINST ('{$query}') AS `score` FROM `".hesk_dbEscape($hesk_settings['db_pfix']).'kb_articles` AS t1 LEFT JOIN `'.hesk_dbEscape($hesk_settings['db_pfix'])."kb_categories` AS t2 ON t1.`catid` = t2.`id` WHERE t1.`type`='0' AND t2.`type`='0' AND MATCH(`subject`,`content`,`keywords`) AGAINST ('{$query}') LIMIT ".intval($hesk_settings['kb_related']+1));
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while ($related = hesk_dbFetchAssoc($res)) {
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// Get base match score from the first article
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if (!isset($base_score)) {
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$base_score = $related['score'];
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}
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// Ignore this article
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if ($related['id'] == $artid) {
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continue;
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}
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// Stop when articles reach less than 10% of base score
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if ($related['score'] / $base_score < 0.10) {
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break;
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}
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// This is a valid related article
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$related_articles[$related['id']] = $related['subject'];
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}
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}
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$response['relatedArticles'] = $related_articles;
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$hesk_settings['render_template'](TEMPLATE_PATH . 'customer/knowledgebase/view-article.php', $response);
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} // END hesk_show_kb_article()
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function hesk_show_kb_category($catid, $is_search = 0) {
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global $hesk_settings, $hesklang;
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$res = hesk_dbQuery("SELECT `id`,`name`,`parent` FROM `".hesk_dbEscape($hesk_settings['db_pfix'])."kb_categories` WHERE `id`='{$catid}' AND `type`='0' LIMIT 1");
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$thiscat = hesk_dbFetchAssoc($res) or hesk_error($hesklang['kb_cat_inv']);
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// Top category? Translate name
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if ($thiscat['id'] == 1)
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{
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$thiscat['name'] = $hesklang['kb_text'];
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}
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$response = array(
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'currentCategory' => $thiscat,
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'noSearchResults' => $is_search,
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'service_messages' => array()
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);
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if ($is_search == 0)
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{
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/* Print header */
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$hesk_settings['tmp_title'] = $hesk_settings['hesk_title'] . ' - ' . hesk_htmlspecialchars($thiscat['name']);
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// If we are in "Knowledgebase only" mode show system messages
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if ($catid == 1 && hesk_check_kb_only(false) )
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{
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// Service messages
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$service_messages = array();
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$res = hesk_dbQuery('SELECT `title`, `message`, `style` FROM `'.hesk_dbEscape($hesk_settings['db_pfix'])."service_messages` WHERE `type`='0' AND (`language` IS NULL OR `language` LIKE '".hesk_dbEscape($hesk_settings['language'])."') ORDER BY `order` ASC");
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while ($sm=hesk_dbFetchAssoc($res))
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{
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$service_messages[] = $sm;
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}
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$response['service_messages'] = $service_messages;
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}
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}
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if ($thiscat['parent'])
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{
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$response['parentLink'] = ($thiscat['parent'] == 1) ? 'knowledgebase.php' : 'knowledgebase.php?category='.$thiscat['parent'];
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}
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$result = hesk_dbQuery("SELECT `id`,`name`,`articles` FROM `".hesk_dbEscape($hesk_settings['db_pfix'])."kb_categories` WHERE `parent`='{$catid}' AND `type`='0' ORDER BY `cat_order` ASC");
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$response['subcategories'] = array();
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$response['subcategoriesWidth'] = intval(100 / $hesk_settings['kb_cols']) . '%';
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if (hesk_dbNumRows($result) > 0)
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{
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while ($cat = hesk_dbFetchAssoc($result))
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{
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$displayShowMoreLink = false;
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$articles_to_display = array();
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if ($hesk_settings['kb_numshow'] && $cat['articles'])
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{
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$res = hesk_dbQuery("SELECT `id`,`subject` FROM `".hesk_dbEscape($hesk_settings['db_pfix'])."kb_articles` WHERE `catid`='{$cat['id']}' AND `type`='0' ORDER BY `sticky` DESC, `art_order` ASC LIMIT " . (intval($hesk_settings['kb_numshow']) + 1) );
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while ($art = hesk_dbFetchAssoc($res)) {
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$articles_to_display[] = $art;
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}
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// Do we have more articles for display than what we need?
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if (hesk_dbNumRows($res) > $hesk_settings['kb_numshow']) {
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$displayShowMoreLink = true;
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array_pop($articles_to_display);
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} else {
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// Maybe we have further sub-categories?
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foreach ($hesk_settings['public_kb_categories'] as $category)
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{
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// Show "More" if the sub-category has sub-categories
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if ($category['parent'] == $cat['id'])
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{
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$displayShowMoreLink = true;
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break;
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}
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}
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}
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}
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$response['subcategories'][] = array(
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'subcategory' => $cat,
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'articles' => $articles_to_display,
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'displayShowMoreLink' => $displayShowMoreLink
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);
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}
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} // END if NumRows > 0
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$articles_in_category = array();
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$res = hesk_dbQuery("SELECT `id`, `subject`, LEFT(`content`, ".max(200, $hesk_settings['kb_substrart'] * 2).") AS `content`, `rating`, `votes`, `views` FROM `".hesk_dbEscape($hesk_settings['db_pfix'])."kb_articles` WHERE `catid`='{$catid}' AND `type`='0' ORDER BY `sticky` DESC, `art_order` ASC");
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while ($article = hesk_dbFetchAssoc($res))
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{
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$article['content_preview'] = hesk_kbArticleContentPreview($article['content']);
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$article['views_formatted'] = number_format($article['views'], 0, null, $hesklang['sep_1000']);
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$article['votes_formatted'] = number_format($article['votes'], 0, null, $hesklang['sep_1000']);
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$articles_in_category[] = $article;
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}
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$response['articlesInCategory'] = $articles_in_category;
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/* On the main KB page print out top and latest articles if needed */
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if ($catid == 1)
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{
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/* Get list of top articles */
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$response['topArticles'] = hesk_kbTopArticles($hesk_settings['kb_popart'], 0);
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/* Get list of latest articles */
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$response['latestArticles'] = hesk_kbLatestArticles($hesk_settings['kb_latest'], 0);
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} else {
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$response['topArticles'] = array();
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$response['latestArticles'] = array();
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}
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$hesk_settings['render_template'](TEMPLATE_PATH . 'customer/knowledgebase/view-category.php', $response);
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} // END hesk_show_kb_category()
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?>
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