Mods-for-HESK-Netsyms/admin/knowledgebase_private.php

<?php
/*******************************************************************************
*  Title: Help Desk Software HESK
*  Version: 2.6.0 beta 1 from 30th December 2014
*  Author: Klemen Stirn
*  Website: http://www.hesk.com
********************************************************************************
*  COPYRIGHT AND TRADEMARK NOTICE
*  Copyright 2005-2013 Klemen Stirn. All Rights Reserved.
*  HESK is a registered trademark of Klemen Stirn.

*  The HESK may be used and modified free of charge by anyone
*  AS LONG AS COPYRIGHT NOTICES AND ALL THE COMMENTS REMAIN INTACT.
*  By using this code you agree to indemnify Klemen Stirn from any
*  liability that might arise from it's use.

*  Selling the code for this program, in part or full, without prior
*  written consent is expressly forbidden.

*  Using this code, in part or full, to create derivate work,
*  new scripts or products is expressly forbidden. Obtain permission
*  before redistributing this software over the Internet or in
*  any other medium. In all cases copyright and header must remain intact.
*  This Copyright is in full effect in any country that has International
*  Trade Agreements with the United States of America or
*  with the European Union.

*  Removing any of the copyright notices without purchasing a license
*  is expressly forbidden. To remove HESK copyright notice you must purchase
*  a license for this script. For more information on how to obtain
*  a license please visit the page below:
*  https://www.hesk.com/buy.php
*******************************************************************************/

define('IN_SCRIPT',1);
define('HESK_PATH','../');

/* Get all the required files and functions */
require(HESK_PATH . 'hesk_settings.inc.php');
require(HESK_PATH . 'inc/common.inc.php');
require(HESK_PATH . 'inc/admin_functions.inc.php');
require(HESK_PATH . 'inc/knowledgebase_functions.inc.php');
hesk_load_database_functions();

hesk_session_start();
hesk_dbConnect();
hesk_isLoggedIn();

/* Is Knowledgebase enabled? */
if ( ! $hesk_settings['kb_enable'])
{
	hesk_error($hesklang['kbdis']);
}

/* Can this user manage Knowledgebase or just view it? */
$can_man_kb = hesk_checkPermission('can_man_kb',0);

/* Any category ID set? */
$catid = intval( hesk_GET('category', 1) );
$artid = intval( hesk_GET('article', 0) );

if (isset($_GET['search']))
{
	$query = hesk_input( hesk_GET('search') );
}
else
{
	$query = 0;
}

$hesk_settings['kb_link'] = ($artid || $catid != 1 || $query) ? '<a href="knowledgebase_private.php">'.$hesklang['gopr'].'</a>' : ($can_man_kb ? $hesklang['gopr'] : '');

if ($hesk_settings['kb_search'] && $query)
{
    hesk_kb_search($query);
}
elseif ($artid)
{
	// Show drafts only to staff who can manage knowledgebase
	if ($can_man_kb)
	{
		$result = hesk_dbQuery("SELECT t1.*, t2.`name` AS `cat_name`
		FROM `".hesk_dbEscape($hesk_settings['db_pfix'])."kb_articles` AS `t1`
		LEFT JOIN `".hesk_dbEscape($hesk_settings['db_pfix'])."kb_categories` AS `t2` ON `t1`.`catid` = `t2`.`id`
		WHERE `t1`.`id` = '{$artid}'
		");
	}
	else
	{
		$result = hesk_dbQuery("SELECT t1.*, t2.`name` AS `cat_name`
		FROM `".hesk_dbEscape($hesk_settings['db_pfix'])."kb_articles` AS `t1`
		LEFT JOIN `".hesk_dbEscape($hesk_settings['db_pfix'])."kb_categories` AS `t2` ON `t1`.`catid` = `t2`.`id`
		WHERE `t1`.`id` = '{$artid}' AND `t1`.`type` IN ('0', '1')
		");
	}

    $article = hesk_dbFetchAssoc($result) or hesk_error($hesklang['kb_art_id']);
    hesk_show_kb_article($artid);
}
else
{
	hesk_show_kb_category($catid);
}

require_once(HESK_PATH . 'inc/footer.inc.php');
exit();


/*** START FUNCTIONS ***/

function hesk_kb_header($kb_link, $catid=1)
{
	global $hesk_settings, $hesklang, $can_man_kb;

	/* Print admin navigation */
    require_once(HESK_PATH . 'inc/headerAdmin.inc.php');
	require_once(HESK_PATH . 'inc/show_admin_nav.inc.php');
	?>

	</td>
	</tr>
	<tr>
	<td>

	<ol class="breadcrumb">
    <?php
    if ($can_man_kb)
    {
	    ?>
	    <li><a href="manage_knowledgebase.php"><?php echo $hesklang['kb']; ?></a></li>
	    <?php
    }
    ?>
	<li class="active"><?php echo $kb_link; ?></li>
    </ol>

	<!-- SUB NAVIGATION -->
	<?php show_subnav('view', $catid); ?>
	<!-- SUB NAVIGATION -->

    <div style="margin-left:40px;margin-right:40px">

	<?php hesk_kbSearchLarge(1); ?>


    <?php
} // END hesk_kb_header()


function hesk_kb_search($query)
{
	global $hesk_settings, $hesklang;

    define('HESK_NO_ROBOTS',1);

	hesk_kb_header($hesk_settings['kb_link']);

    $res = hesk_dbQuery('SELECT t1.`id`, t1.`subject`, LEFT(`t1`.`content`, '.max(200, $hesk_settings['kb_substrart'] * 2).') AS `content`, t1.`rating` FROM `'.hesk_dbEscape($hesk_settings['db_pfix']).'kb_articles` AS t1 LEFT JOIN `'.hesk_dbEscape($hesk_settings['db_pfix']).'kb_categories` AS t2 ON t1.`catid` = t2.`id` '." WHERE t1.`type` IN ('0','1') AND MATCH(`subject`,`content`,`keywords`) AGAINST ('".hesk_dbEscape($query)."') LIMIT ".intval($hesk_settings['kb_search_limit']));
    $num = hesk_dbNumRows($res);

    ?>
	<h4><?php echo $hesklang['sr']; ?> (<?php echo $num; ?>)</h4>
    <div class="footerWithBorder blankSpace"></div>

	<?php
	if ($num == 0)
	{
		echo '<p style="margin-left:20px"><i>'.$hesklang['nosr'].'</i></p>';
        hesk_show_kb_category(1,1);
	}
    else
    {
?>
<table width="100%" border="0" cellspacing="0" cellpadding="0">
<tr>
	<td>
		<div align="center">
        <table border="0" cellspacing="1" cellpadding="3" width="100%">
        <?php
			while ($article = hesk_dbFetchAssoc($res))
			{
	            $txt = hesk_kbArticleContentPreview($article['content']);

	            if ($hesk_settings['kb_rating'])
	            {
	            	$alt = $article['rating'] ? sprintf($hesklang['kb_rated'], sprintf("%01.1f", $article['rating'])) : $hesklang['kb_not_rated'];
	                $rat = '<td width="1" valign="top"><img src="../img/star_'.(hesk_round_to_half($article['rating'])*10).'.png" width="85" height="16" alt="'.$alt.'" border="0" style="vertical-align:text-bottom" /></td>';
	            }
	            else
	            {
	            	$rat = '';
	            }

				echo '
				<tr>
				<td>
	                <table border="0" width="100%" cellspacing="0" cellpadding="1">
	                <tr>
	                <td width="1" valign="top"><span class="glyphicon glyphicon-file"></span></td>
	                <td valign="top"><a href="knowledgebase_private.php?article='.$article['id'].'">'.$article['subject'].'</a></td>
	                '.$rat.'
                    </tr>
	                </table>
	                <table border="0" width="100%" cellspacing="0" cellpadding="1">
	                <tr>
	                <td width="1" valign="top"><img src="../img/blank.gif" width="16" height="10" style="vertical-align:middle" alt="" /></td>
	                <td><span class="article_list">'.$txt.'</span></td>
                    </tr>
	                </table>

	            </td>
				</tr>';
			}
	?>
    	</table>
        </div>
	</td>
</tr>
</table>

    <p><br /><a href="javascript:history.go(-1)"><span class="glyphicon glyphicon-circle-arrow-left"></span>&nbsp;<?php echo $hesklang['back']; ?></a></p>
    <?php
    } // END else

} // END hesk_kb_search()


function hesk_show_kb_article($artid)
{
	global $hesk_settings, $hesklang, $article;

	// Print header
    $hesk_settings['tmp_title'] = $article['subject'];
	hesk_kb_header($hesk_settings['kb_link'], $article['catid']);

    // Update views by 1
    hesk_dbQuery('UPDATE `'.hesk_dbEscape($hesk_settings['db_pfix'])."kb_articles` SET `views`=`views`+1 WHERE `id`={$artid} LIMIT 1");

    echo '<h3>'.$article['subject'].'</h3>
        <div class="footerWithBorder blankSpace"></div>



	<h4>'.$hesklang['as'].'</h4>
    '. $article['content'];

    if ( ! empty($article['attachments']))
    {
		echo '<p><b>'.$hesklang['attachments'].':</b><br />';
		$att=explode(',',substr($article['attachments'], 0, -1));
		foreach ($att as $myatt)
        {
			list($att_id, $att_name) = explode('#', $myatt);
			echo '<i class="fa fa-papercip"></i> <a href="../download_attachment.php?kb_att='.$att_id.'" rel="nofollow">'.$att_name.'</a><br />';
		}
		echo '</p>';
    }



    if ($article['catid']==1)
    {
    	$link = 'knowledgebase_private.php';
    }
    else
    {
    	$link = 'knowledgebase_private.php?category='.$article['catid'];
    }
    ?>
    <br><br>
    <div class="row">
        <?php
            $showRelated = false;
            $column = 'col-md-12';
            require(HESK_PATH . 'inc/mail/email_parser.php');

            $query = hesk_dbEscape( $article['subject'] . ' ' . convert_html_to_text($article['content']) );

            // Get relevant articles from the database
            $res = hesk_dbQuery("SELECT `id`, `subject`, MATCH(`subject`,`content`,`keywords`) AGAINST ('{$query}') AS `score` FROM `".hesk_dbEscape($hesk_settings['db_pfix'])."kb_articles` WHERE `type` IN ('0','1') AND MATCH(`subject`,`content`,`keywords`) AGAINST ('{$query}') LIMIT ".intval($hesk_settings['kb_related']+1));

            // Array with related articles
            $related_articles = array();

            while ($related = hesk_dbFetchAssoc($res))
            {
                // Get base match score from the first (this) article
                if ( ! isset($base_score) )
                {
                    $base_score = $related['score'];
                    continue;
                }

                // Stop when articles reach less than 10% of base score
                if ($related['score'] / $base_score < 0.10)
                {
                    break;
                }

                // This is a valid related article
                $related_articles[$related['id']] = $related['subject'];
            }

            // Print related articles if we have any valid matches
            if ( count($related_articles) ) {
                $column = 'col-md-6';
                $showRelated = true;
            }
        ?>
        <div class="<?php echo $column; ?> col-sm-12">
            <h4><?php echo $hesklang['ad']; ?></h4>
            <div class="footerWithBorder blankSpace"></div>
            <table border="0">
                <tr>
                    <td><?php echo $hesklang['aid']; ?>: </td>
                    <td><?php echo $article['id']; ?></td>
                </tr>
                <tr>
                    <td><?php echo $hesklang['category']; ?>: </td>
                    <td><a href="<?php echo $link; ?>"><?php echo $article['cat_name']; ?></a></td>
                </tr>
                <tr>
                    <td><?php echo $hesklang['dta']; ?>: </td>
                    <td><?php echo hesk_date($article['dt'], true); ?></td>
                </tr>
                <tr>
                    <td><?php echo $hesklang['views']; ?>: </td>
                    <td><?php echo (isset($_GET['rated']) ? $article['views'] : $article['views']+1); ?></td>
                </tr>
            </table>
        </div>
        <?php if ($showRelated) { ?>
        <div class="col-md-6 col-sm-12">
            <h4><?php echo $hesklang['relart']; ?></h4>
            <div class="footerWithBorder blankSpace"></div>
            <?php
            // Related articles
            foreach ($related_articles as $id => $subject)
            {
                echo '<span class="glyphicon glyphicon-file" style="font-size: 16px;"></span> <a href="knowledgebase_private.php?article='.$id.'">'.$subject.'</a><br />';
            }
            ?>
        </div>
        <?php } ?>
    </div>

    <?php
    if (!isset($_GET['back']))
    {
    	?>
		<p><br /><a href="javascript:history.go(-1)"><span class="glyphicon glyphicon-circle-arrow-left"></span>&nbsp;<?php echo $hesklang['back']; ?></a></p>
        <?php
    }
    else
    {
    	?>
        <p>&nbsp;</p>
        <?php
    }

} // END hesk_show_kb_article()


function hesk_show_kb_category($catid, $is_search = 0) {
	global $hesk_settings, $hesklang;

    if ($is_search == 0)
    {
		/* Print header */
		hesk_kb_header($hesk_settings['kb_link'], $catid);

		if ($catid == 1)
	    {
	    	echo $hesklang['priv'];
	    }
    }

    $res = hesk_dbQuery("SELECT `name`,`parent` FROM `".hesk_dbEscape($hesk_settings['db_pfix'])."kb_categories` WHERE `id`='".intval($catid)."' LIMIT 1");
    $thiscat = hesk_dbFetchAssoc($res) or hesk_error($hesklang['kb_cat_inv']);

	if ($thiscat['parent'])
	{
		$link = ($thiscat['parent'] == 1) ? 'knowledgebase_private.php' : 'knowledgebase_private.php?category='.$thiscat['parent'];
		echo '<h3>'.$hesklang['kb_cat'].': '.$thiscat['name'].'</h3>
        <p align="left"><a href="javascript:history.go(-1)"><span class="glyphicon glyphicon-circle-arrow-left"></span>'.$hesklang['back'].'</a></p>
        <div class="footerWithBorder blankSpace"></div>';
	}

    $result = hesk_dbQuery("SELECT `id`,`name`,`articles`,`type` FROM `".hesk_dbEscape($hesk_settings['db_pfix'])."kb_categories` WHERE `parent`='".intval($catid)."' ORDER BY `parent` ASC, `cat_order` ASC");
	if (hesk_dbNumRows($result) > 0)
	{
        ?>

		<h4><?php echo $hesklang['kb_cat_sub']; ?></h4>
        <div class="footerWithBorder blankSpace"></div>

<table width="100%" border="0" cellspacing="0" cellpadding="0">
<tr>
	<td>

		<table border="0" cellspacing="1" cellpadding="3" width="100%">

		<?php
		$per_col = $hesk_settings['kb_cols'];
		$i = 1;

		while ($cat = hesk_dbFetchAssoc($result))
		{

			if ($i == 1)
		    {
				echo '<tr>';
		    }

            $private = ($cat['type'] == 1) ? ' *' : '';

			echo '
		    <td width="50%" valign="top">
			<table border="0">
			<tr><td><span class="glyphicon glyphicon-folder-close"></span>&nbsp;<a href="knowledgebase_private.php?category='.$cat['id'].'">'.$cat['name'].'</a>'.$private.'</td></tr>
			';

			/* Print most popular/sticky articles */
			if ($hesk_settings['kb_numshow'] && $cat['articles'])
		    {
		        $res = hesk_dbQuery("SELECT `id`,`subject`,`type` FROM `".hesk_dbEscape($hesk_settings['db_pfix'])."kb_articles` WHERE `catid`='".intval($cat['id'])."' AND `type` IN ('0','1') ORDER BY `sticky` DESC, `views` DESC, `art_order` ASC LIMIT " . (intval($hesk_settings['kb_numshow']) + 1) );
		        $num = 1;
				while ($art = hesk_dbFetchAssoc($res))
				{
                	$private = ($art['type'] == 1) ? ' *' : '';
					echo '
		            <tr>
		            <td>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="glyphicon glyphicon-file"></span>
		            <a href="knowledgebase_private.php?article='.$art['id'].'" class="article">'.$art['subject'].'</a>'.$private.'</td>
		            </tr>';

		            if ($num == $hesk_settings['kb_numshow'])
		            {
		            	break;
		            }
		            else
		            {
		            	$num++;
		            }
				}
		        if (hesk_dbNumRows($res) > $hesk_settings['kb_numshow'])
		        {
		        	echo '<tr><td>&raquo; <a href="knowledgebase_private.php?category='.$cat['id'].'"><i>'.$hesklang['m'].'</i></a></td></tr>';
		        }
		    }

			echo '
			</table>
		    </td>
			';

			if ($i == $per_col)
		    {
				echo '</tr>';
		        $i = 0;
		    }
			$i++;
		}
		/* Finish the table if needed */
		if ($i != 1)
		{
			for ($j=1;$j<=$per_col;$j++)
		    {
				echo '<td width="50%">&nbsp;</td>';
				if ($i == $per_col)
			    {
					echo '</tr>';
			        break;
			    }
		        $i++;
		    }
		}

		?>
		</table>

	</td>
</tr>
</table>

	<?php
	} // END if NumRows > 0
	?>
    <br>
	<h4><?php echo $hesklang['ac']; ?></h4>
    <div class="footerWithBorder blankSpace"></div>

<table width="100%" border="0" cellspacing="0" cellpadding="0">
<tr>
	<td>

	<?php
    $res = hesk_dbQuery("SELECT `id`, `subject`, LEFT(`content`, ".max(200, $hesk_settings['kb_substrart'] * 2).") AS `content`, `rating`, `type` FROM `".hesk_dbEscape($hesk_settings['db_pfix'])."kb_articles` WHERE `catid`='".intval($catid)."' AND `type` IN ('0','1') ORDER BY `sticky` DESC, `art_order` ASC");
	if (hesk_dbNumRows($res) == 0)
	{
		echo '<p><i>'.$hesklang['noac'].'</i></p>';
	}
	else
	{
			echo '<div align="center"><table border="0" cellspacing="1" cellpadding="3" width="100%">';
			while ($article = hesk_dbFetchAssoc($res))
			{
            	$private = ($article['type'] == 1) ? ' *' : '';

	            $txt = hesk_kbArticleContentPreview($article['content']);

				echo '
				<tr>
				<td>
	                <table border="0" width="100%" cellspacing="0" cellpadding="1">
	                <tr>
	                <td width="1" valign="top"><span class="glyphicon glyphicon-file"></span></td>
	                <td valign="top"><a href="knowledgebase_private.php?article='.$article['id'].'">'.$article['subject'].'</a>'.$private.'</td>
                    </tr>
	                </table>
	                <table border="0" width="100%" cellspacing="0" cellpadding="1">
	                <tr>
	                <td width="1" valign="top"><img src="../img/blank.gif" width="16" height="10" style="vertical-align:middle" alt="" /></td>
	                <td><span class="article_list">'.$txt.'</span></td>
                    </tr>
	                </table>
	            </td>
				</tr>';
			}
		    echo '</table></div>';
	}
	?>

	</td>
</tr>
</table>
<?php
} // END hesk_show_kb_category()


function show_subnav($hide='', $catid=1)
{
	global $hesk_settings, $hesklang, $can_man_kb, $artid;

    if ( ! $can_man_kb)
    {
    	echo '';
        return true;
    }

    $catid = intval($catid);

    echo '<div style="margin-left:40px;margin-right:40px">';

    $link['view'] = '<a href="knowledgebase_private.php"><i class="fa fa-search" style="font-size:16px"></i></a> <a href="knowledgebase_private.php">'.$hesklang['gopr'].'</a> | ';
    $link['newa'] = '<a href="manage_knowledgebase.php?a=add_article&amp;catid='.$catid.'"><i class="fa fa-plus" style="color: green;font-size:16px"></i></a> <a href="manage_knowledgebase.php?a=add_article&amp;catid='.$catid.'">'.$hesklang['kb_i_art'].'</a> | ';
    $link['newc'] = '<a href="manage_knowledgebase.php?a=add_category&amp;parent='.$catid.'"><i class="fa fa-caret-right" style="font-size:18px; color:blue"></i></a> <a href="manage_knowledgebase.php?a=add_category&amp;parent='.$catid.'">'.$hesklang['kb_i_cat'].'</a> | ';

    if ($hide && isset($link[$hide]))
    {
    	$link[$hide] = preg_replace('/<a([^<]*)>/', '', $link[$hide]);
        $link[$hide] = str_replace('</a>','',$link[$hide]);
    }

	?>
	<form style="margin:0px;padding:0px;" method="get" action="manage_knowledgebase.php">
    <?php
    echo $link['view'];
    echo $link['newa'];
    echo $link['newc'];
    ?>
	<i class="fa fa-pencil" style="color:orange;font-size:16px"></i></a> <input type="hidden" name="a" value="edit_article" /><?php echo $hesklang['aid']; ?>: <input type="text" name="id" size="3" <?php if ($artid) echo 'value="' . $artid . '"'; ?> /> <input type="submit" value="<?php echo $hesklang['edit']; ?>" class="btn btn-default btn-xs" />
	</form>
    </div>

	<?php
} // End show_subnav()
?>