<?php
/*=====================================================================*\
|| ###################################################################
|| # Bugdar [#]version[#]
|| # Copyright 2002-[#]year[#] Blue Static
|| #
|| # This program is free software; you can redistribute it and/or modify
|| # it under the terms of the GNU General Public License as published by
|| # the Free Software Foundation; version [#]gpl[#] of the License.
|| #
|| # 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. See the GNU General Public License for
|| # more details.
|| #
|| # You should have received a copy of the GNU General Public License along
|| # with this program; if not, write to the Free Software Foundation, Inc.,
|| # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
|| ###################################################################
\*=====================================================================*/

$fetchtemplates = array(
	'search',
	'search_results',
	'trackerhome_bits',
	'pagenav_bit',
	'pagenav'
);

define('SVN', '$Id$');

$focus['search'] = 'focus';

require_once('./global.php');
require_once('./includes/functions_product.php');
require_once('./includes/class_pagination.php');

if (!can_perform('cansearch'))
{
	$message->error_permission();
}

define('MODE_ANY', ($bugsys->in['mode'] == 1));
define('MODE_ALL', ($bugsys->in['mode'] == 2));
define('MODE_RAW', ($bugsys->in['mode'] == 3));

$var = $db->query_first("SHOW VARIABLES LIKE 'ft_min_word_len'");
define('SEARCH_WORD_MIN', $var['Value']);

$show['search'] = true;

// ###################################################################

if (empty($_REQUEST['do']))
{
	$_REQUEST['do'] = 'search';
}

// ###################################################################

if ($_REQUEST['do'] == 'process')
{
	// -------------------------------------------------------------------
	// handle keywords
	if ($bugsys->in['summary'])
	{
		$keywords = preg_split('#\s+#', $bugsys->in['summary']);
		
		// TODO - need to have some str to bool conversions
		
		foreach ($keywords AS $word)
		{
			if (strlen($word) < SEARCH_WORD_MIN)
			{
				continue;
			}
			
			if (MODE_ALL)
			{
				$querybuild['text'] .= " +$word";
			}
			else
			{
				$querybuild['text'] .= " $word";
			}
			
			if (!preg_match('#-(.+?)#', trim($word)))
			{
				$hilight .= " $word";
			}
		}
		
		$hilight = preg_replace('#[^0-9a-zA-Z_ ]#', '', $hilight);
		$hilight = trim($hilight);
		$hilight = preg_replace('#\s#', '+', $hilight);
		
		$temp = trim($querybuild['text']);
		
		if (MODE_ALL OR MODE_RAW)
		{
			$bool_flag = ' IN BOOLEAN MODE';
		}
		
		$querybuild['text'] = "AND\n\t\t\t(\n\t\t\t\tMATCH (bug.summary) AGAINST ('$temp'$bool_flag)\n\t\t\t\tOR MATCH (comment.comment) AGAINST ('$temp'$bool_flag)\n\t\t\t)";
	}
	
	// -------------------------------------------------------------------
	// reporter
	if ($bugsys->in['reporter'])
	{
		// force email or name?? make a distinction?
		// more elegant way to do this? probably
		$user = $db->query_first("SELECT * FROM " . TABLE_PREFIX . "user WHERE email LIKE '%" . str_replace('%', '\%', $bugsys->input_escape('reporter')) . "' OR displayname LIKE '%" . str_replace('%', '\%', $bugsys->input_escape('reporter')) . "%'");
		if ($user['userid'])
		{
			$querybuild['reporter'] = "AND bug.userid = $user[userid] OR comment.userid = $user[userid]";
		}
	}
	
	// -------------------------------------------------------------------
	// product/component/version stuff
	if (is_array($bugsys->in['pcv_select']))
	{
		foreach ($bugsys->in['pcv_select'] AS $pcv)
		{
			$pcv = parse_pcv_select($pcv, true);
			$products[] = $pcv['product'];
			$components[] = $pcv['component'];
			$versions[] = $pcv['version'];
		}
		$querybuild['pcv'] = "AND bug.product IN (" . implode(',', $products) . ") AND bug.component IN (" . implode(',', $components) . ") AND bug.version IN (" . implode(',', $versions) . ")";
	}
	
	// -------------------------------------------------------------------
	// severity, priority, status, resolution, assignedto
	
	// severity
	if ($bugsys->in['severity'])
	{
		$bugsys->input_clean('severity', TYPE_UINT);
		$querybuild['severity'] = "AND bug.severity IN (" . implode(',', $bugsys->in['severity']) . ")";
	}
	
	// priority
	if ($bugsys->in['priority'])
	{
		$bugsys->input_clean('priority', TYPE_UINT);
		$querybuild['priority'] = "AND bug.priority IN (" . implode(',', $bugsys->in['priority']) . ")";
	}
	
	// status
	if ($bugsys->in['status'])
	{
		$bugsys->input_clean('status', TYPE_UINT);
		$querybuild['status'] = "AND bug.status IN (" . implode(',', $bugsys->in['status']) . ")";
	}
	
	// resolution
	if ($bugsys->in['resolution'])
	{
		$bugsys->input_clean('resolution', TYPE_UINT);
		$querybuild['resolution'] = "AND bug.resolution IN (" . implode(',', $bugsys->in['resolution']) . ")";
	}
	
	// assignment
	if ($bugsys->in['assignedto'])
	{
		$bugsys->input_clean('assignedto', TYPE_UINT);
		$querybuild['assignedto'] = "AND bug.assignedto IN (" . implode(',', $bugsys->in['assignedto']) . ")";
	}
	
	// -------------------------------------------------------------------
	// date
	if ($bugsys->in['date'])
	{
		// now - (seconds/day * number of days)
		$dateline = time() - ($bugsys->input_clean('date', TYPE_INT) * 3600);
		$querybuild['date'] = "AND bug.dateline >= $dateline";
	}
	
	// -------------------------------------------------------------------
	// favoritess
	if (($bugsys->in['favorite'] == 1 OR $bugsys->in['favorite'] == 0) AND $bugsys->userinfo['userid'])
	{
		$favorites = $db->query("SELECT * FROM " . TABLE_PREFIX . "favorite WHERE userid = " . $bugsys->userinfo['userid']);
		while ($favorite = $db->fetch_array($favorites))
		{
			$ids[] = $favorite['bugid'];
		}
		$querybuild['favorites'] = "AND bug.bugid " . ($bugsys->in['favorite'] == 0 ? "NOT IN" : "IN") . " (" . implode(', ', $ids) . ")";
	}
	
	// -------------------------------------------------------------------
	// sort by
	$sortby = array('bugid', 'severity', 'priority', 'status', 'resolution', 'dateline');
	$orderby = array('ASC', 'DESC');
	$bugsys->in['orderby'] = strtoupper($bugsys->in['orderby']);
	if (in_array($bugsys->in['sortby'], $sortby) AND in_array($bugsys->in['orderby'], $orderby))
	{
		$sortclause = "ORDER BY " . $bugsys->in['sortby'] . ' ' . $bugsys->in['orderby'];
	}
	else if ($bugsys->in['sortby'] == 'relevance')
	{
		$sortclause = '';
	}
	else
	{
		$sortclause = '';
	}
	
	// -------------------------------------------------------------------
	// custom fields
	$fields_fetch = $bugsys->db->query("
		SELECT bugfield.*
		FROM " . TABLE_PREFIX . "bugfield AS bugfield
		LEFT JOIN " . TABLE_PREFIX . "bugfieldpermission AS permission
			ON (bugfield.fieldid = permission.fieldid)
		WHERE permission.mask <> 0
		AND permission.usergroupid = {$bugsys->userinfo['usergroupid']}
		AND bugfield.cansearch = 1"
	);
	while ($field = $bugsys->db->fetch_array($fields_fetch))
	{
		if (!empty($bugsys->in["field$field[fieldid]"]) OR ($field['type'] == 'select_single' AND isset($bugsys->in["field$field[fieldid]"])))
		{
			if ($field['type'] == 'input_checkbox')
			{
				$querybuild[] = "AND bugfieldvalue.field$field[fieldid] = " . (($bugsys->in["field$field[fieldid]"] == 1) ? 0 : 1);
			}
			else if ($field['type'] == 'input_text')
			{
				$querybuild[] = "AND bugfieldvalue.field$field[fieldid] LIKE '%" . $bugsys->in["field$field[fieldid]"] . "%'";
			}
			else if ($field['type'] == 'select_single' AND $bugsys->in["field$field[fieldid]"] != -1)
			{
				$temp = unserialize($field['selects']);
				$querybuild[] = "AND bugfieldvalue.field$field[fieldid] = '" . trim($temp[ intval($bugsys->in["field$field[fieldid]"]) ]) . "'";
			}
		}
	}
	
	// -------------------------------------------------------------------
	// have to search something
	if (sizeof($querybuild) < 1)
	{
		$message->error(sprintf(_('You have to enter some criteria to search for. Note that words less than %1$d characters are ignored by the search engine (and some other very common words, too).'), SEARCH_WORD_MIN));
	}
	
	// -------------------------------------------------------------------
	// do the search
	$query = "
		SELECT bug.*, comment.commentid
		FROM " . TABLE_PREFIX . "bug AS bug
		LEFT JOIN "  . TABLE_PREFIX . "comment AS comment
			ON (bug.bugid = comment.bugid)
		LEFT JOIN " . TABLE_PREFIX . "bugvaluefill AS bugfieldvalue
			ON (bug.bugid = bugfieldvalue.bugid)
		WHERE bug.bugid <> 0
		AND bug.product IN (#<'ONBITS:VIEW'>#)
		AND (!bug.hidden OR (bug.hidden AND bug.product IN (#<'ONBITS:HIDDEN'>#))" . (can_perform('canviewownhidden') ? " OR (bug.hidden AND bug.userid = " . $bugsys->userinfo['userid'] . " AND bug.product IN (#<'ONBITS:OWNHIDDEN'>#))" : "") . ")
		" . implode("\n\t\t", $querybuild) . "
		GROUP BY bug.bugid
		$sortclause";
	
	$runquery = str_replace(array("#<'ONBITS:VIEW'>#", "#<'ONBITS:HIDDEN'>#", "#<'ONBITS:OWNHIDDEN'>#"), array(fetch_on_bits('canviewbugs'), fetch_on_bits('canviewhidden'), fetch_on_bits('canviewonhidden')), $query);
	
	$search = $db->query($runquery);
	
	$numrows = $db->num_rows($search);
	
	if ($numrows < 1)
	{
		$message->error(_('No search results were returned that matched your criteria.'));
	}
	
	while ($result = $db->fetch_array($search))
	{
		$ids[] = $result['bugid'];
		$results[] = $result;
	}
	
	if ($bugsys->userinfo['userid'])
	{
		$db->query("
			REPLACE INTO " . TABLE_PREFIX . "search
				(userid, dateline, query, ids, orderby, hilight, resultcount)
			VALUES
				(" . $bugsys->userinfo['userid'] . ",
				" . TIMENOW . ", '" . $bugsys->escape($query) . "',
				'" . implode(',', $ids) . "', '" . $bugsys->escape($sortclause) . "',
				'" . $bugsys->escape($hilight) . "',
				" . sizeof($results) . "
			)"
		);
	}
	
	$justprocess = true;
	$search = array('ids' => implode(',', $ids), 'orderby' => $sortclause);
	
	$_REQUEST['do'] = 'results';
}

// ###################################################################

if ($_REQUEST['do'] == 'search')
{
	if ($bugsys->userinfo['userid'] AND !$bugsys->in['new'])
	{
		if ($cachedsearch = $db->query_first("SELECT * FROM " . TABLE_PREFIX . "search WHERE userid = " . $bugsys->userinfo['userid']))
		{
			$_REQUEST['do'] = 'results';
		}
		else
		{
			$newsearch = true;
		}
	}
	else
	{
		$newsearch = true;
	}
	
	if ($newsearch)
	{
		if (!is_array($bugsys->datastore['product']))
		{
			$message->error(_('No products are setup, therefore there can be no bugs and thus search cannot function.'));
		}
		
		if (!is_array($bugsys->datastore['version']))
		{
			$message->error(_('No versions have been added underneath your product(s), there can be no bugs and thus search cannot function.'));
		}
		
		$pcv_select = construct_pcv_select();
		
		// -------------------------------------------------------------------
		// custom fields
		$fields = construct_custom_fields(null, true);		
		$i = 0;
		foreach ($fields AS $field)
		{
			if ($i % 2 == 0)
			{
				$customfields['left'] .= $field;
			}
			else
			{
				$customfields['right'] .= $field;
			}
			$i++;
		}
		
		// -------------------------------------------------------------------
		// built-in fields	
		$select['severity'] = construct_datastore_select('severity', 'severity', 'severityid');
		$select['priority'] = construct_datastore_select('priority', 'priority', 'priorityid');
		$select['status'] = construct_datastore_select('status', 'status', 'statusid');
		$select['resolution'] = construct_datastore_select('resolution', 'resolution', 'resolutionid');
		
		$select['dev'] = '';
		foreach ($bugsys->datastore['assignto'] AS $dev)
		{
			$value = $dev['userid'];
			$label = construct_user_display($dev, false);
			eval('$select[dev] .= "' . $template->fetch('selectoption') . '";');
		}
			
		eval('$template->flush("' . $template->fetch('search') . '");');
	}
}

// ###################################################################

if ($_REQUEST['do'] == 'results')
{
	$show['cached'] = false;
	if ($bugsys->userinfo['userid'] AND !$justprocess)
	{
		$search = $cachedsearch;
		if ($search['dateline'] < TIMENOW - 900 OR $bugsys->in['rerun'])
		{
			$research = $db->query(str_replace(array("#<'ONBITS:VIEW'>#", "#<'ONBITS:HIDDEN'>#", "#<'ONBITS:OWNHIDDEN'>#"), array(fetch_on_bits('canviewbugs'), fetch_on_bits('canviewhidden'), fetch_on_bits('canviewownhidden')), $search['query']));
			while ($bug = $db->fetch_array($research))
			{
				$ids[] = $bug['bugid'];
				$results[] = $bug;
			}
			$search['ids'] = implode(',', $ids);
			$db->query("UPDATE " . TABLE_PREFIX . "search SET ids = '" . implode(',', $ids) . "', dateline = " . TIMENOW . ", resultcount = " . sizeof($results) . " WHERE userid = " . $bugsys->userinfo['userid']);
		}
		$show['cached'] = true;
		$hilight = $search['hilight'];
	}
	
	$pagination = new Pagination('p', 'pp');
	$pagination->total = $search['resultcount'];
	$pagination->split_pages();
	
	if (!$search['ids'])
	{
		$message->error(_('No bugs matched your search criteria. Please <a href="search.php?new=1">try again</a> with different search requirements.'));
	}
	
	$search = $db->query("SELECT * FROM " . TABLE_PREFIX . "bug WHERE bugid IN ($search[ids]) $search[orderby] LIMIT " . $pagination->fetch_limit($pagination->page - 1) . ", " . $pagination->perpage);
	while ($bug = $db->fetch_array($search))
	{
		$funct->exec_swap_bg($stylevar['alt_color'], '');
		$bug['bgcolor'] = ($bugsys->userinfo['showcolors'] ? $bugsys->datastore['status']["$bug[status]"]['color'] : $funct->bgcolour);
		$bug['hiddendisplay'] = ((can_perform('canviewhidden', $bug['product']) OR (can_perform('canviewownhidden') AND $bug['userid'] == $bugsys->userinfo['userid'])) ? false : true);
		$bug['product'] = $bugsys->datastore['product']["$bug[product]"]['title'];
		$bug['version'] = $bugsys->datastore['version']["$bug[version]"]['version'];
		$bug['status'] = $bugsys->datastore['status']["$bug[status]"]['status'];
		$bug['resolution'] = $bugsys->datastore['resolution']["$bug[resolution]"]['resolution'];
		$bug['priority'] = $bugsys->datastore['priority']["$bug[priority]"]['priority'];
		$bug['severity'] = $bugsys->datastore['severity']["$bug[severity]"]['severity'];
		$bug['lastposttime'] = ($bug['hiddendisplay'] ? $bug['hiddenlastposttime'] : $bug['lastposttime']);
		$bug['lastpost'] = ($bug['hiddendisplay'] ? $bug['hiddenlastpostbyname'] : $bug['lastpostbyname']);
		$bug['lastposttime'] = $datef->format($bugsys->options['dateformat'], $bug['lastposttime']);
		$bug['urladd'] = "&amp;hilight=$hilight";
		eval('$bugs .= "' . $template->fetch('trackerhome_bits') . '";');
	}
	
	$show['pagenav'] = ($pagination->pagecount > 1 ? true : false);
	$pagenav = $pagination->construct_page_nav('search.php');
	
	eval('$template->flush("' . $template->fetch('search_results') . '");');
}

/*=====================================================================*\
|| ###################################################################
|| # $HeadURL$
|| # $Id$
|| ###################################################################
\*=====================================================================*/
?>