<?php
/*
User post history page
*/

if (!empty($LoggedUser['DisableForums'])) {
	error(403);
}

include(SERVER_ROOT.'/classes/text.class.php'); // Text formatting class
$Text = new TEXT;

$UserID = empty($_GET['userid']) ? $LoggedUser['ID'] : $_GET['userid'];
if (!is_number($UserID)) {
	error(0);
}

if (isset($LoggedUser['PostsPerPage'])) {
	$PerPage = $LoggedUser['PostsPerPage'];
} else {
	$PerPage = POSTS_PER_PAGE;
}

list($Page, $Limit) = Format::page_limit($PerPage);

$UserInfo = Users::user_info($UserID);
extract(array_intersect_key($UserInfo, array_flip(array('Username', 'Enabled', 'Title', 'Avatar', 'Donor', 'Warned'))));

View::show_header('Post history for '.$Username,'subscriptions,comments,bbcode');

if ($LoggedUser['CustomForums']) {
	unset($LoggedUser['CustomForums']['']);
	$RestrictedForums = implode("','", array_keys($LoggedUser['CustomForums'], 0));
	$PermittedForums = implode("','", array_keys($LoggedUser['CustomForums'], 1));
}
$ViewingOwn = ($UserID == $LoggedUser['ID']);
$ShowUnread = ($ViewingOwn && (!isset($_GET['showunread']) || !!$_GET['showunread']));
$ShowGrouped = ($ViewingOwn && (!isset($_GET['group']) || !!$_GET['group']));
if ($ShowGrouped) {
	$sql = '
		SELECT
			SQL_CALC_FOUND_ROWS
			MAX(p.ID) AS ID
		FROM forums_posts AS p
			LEFT JOIN forums_topics AS t ON t.ID = p.TopicID';
	if ($ShowUnread) {
		$sql.='
			LEFT JOIN forums_last_read_topics AS l ON l.TopicID = t.ID AND l.UserID = '.$LoggedUser['ID'];
	}
	$sql .= '
			LEFT JOIN forums AS f ON f.ID = t.ForumID
		WHERE p.AuthorID = '.$UserID.'
			AND ((f.MinClassRead <= '.$LoggedUser['Class'];
	if (!empty($RestrictedForums)) {
		$sql.='
			AND f.ID NOT IN (\''.$RestrictedForums.'\')';
	}
	$sql .= ')';
	if (!empty($PermittedForums)) {
		$sql.='
			OR f.ID IN (\''.$PermittedForums.'\')';
	}
	$sql .= ')';
	if ($ShowUnread) {
		$sql .= '
			AND ((t.IsLocked=\'0\' OR t.IsSticky=\'1\')
			AND (l.PostID<t.LastPostID OR l.PostID IS NULL))';
	}
	$sql .= '
		GROUP BY t.ID
		ORDER BY p.ID DESC
		LIMIT '.$Limit;
	$PostIDs = $DB->query($sql);
	$DB->query("SELECT FOUND_ROWS()");
	list($Results) = $DB->next_record();

	if ($Results > $PerPage * ($Page - 1)) {
		$DB->set_query_id($PostIDs);
		$PostIDs = $DB->collect('ID');
		$sql = '
			SELECT
				p.ID,
				p.AddedTime,
				p.Body,
				p.EditedUserID,
				p.EditedTime,
				ed.Username,
				p.TopicID,
				t.Title,
				t.LastPostID,
				l.PostID AS LastRead,
				t.IsLocked,
				t.IsSticky
			FROM forums_posts as p
				LEFT JOIN users_main AS um ON um.ID = p.AuthorID
				LEFT JOIN users_info AS ui ON ui.UserID = p.AuthorID
				LEFT JOIN users_main AS ed ON ed.ID = p.EditedUserID
				JOIN forums_topics AS t ON t.ID = p.TopicID
				JOIN forums AS f ON f.ID = t.ForumID
				LEFT JOIN forums_last_read_topics AS l ON l.UserID = '.$UserID.' AND l.TopicID = t.ID
			WHERE p.ID IN ('.implode(',',$PostIDs).')
			ORDER BY p.ID DESC';
		$Posts = $DB->query($sql);
	}
} else {
	$sql = '
		SELECT SQL_CALC_FOUND_ROWS';
	if ($ShowGrouped) {
		$sql.=' * FROM (SELECT';
	}
	$sql .= '
			p.ID,
			p.AddedTime,
			p.Body,
			p.EditedUserID,
			p.EditedTime,
			ed.Username,
			p.TopicID,
			t.Title,
			t.LastPostID,';
	if ($UserID == $LoggedUser['ID']) {
		$sql .= '
			l.PostID AS LastRead,';
	}
	$sql .= '
			t.IsLocked,
			t.IsSticky
		FROM forums_posts as p
			LEFT JOIN users_main AS um ON um.ID = p.AuthorID
			LEFT JOIN users_info AS ui ON ui.UserID = p.AuthorID
			LEFT JOIN users_main AS ed ON ed.ID = p.EditedUserID
			JOIN forums_topics AS t ON t.ID = p.TopicID
			JOIN forums AS f ON f.ID = t.ForumID
			LEFT JOIN forums_last_read_topics AS l ON l.UserID = '.$UserID.' AND l.TopicID = t.ID
		WHERE p.AuthorID = '.$UserID.'
			AND ((f.MinClassRead <= '.$LoggedUser['Class'];

	if (!empty($RestrictedForums)) {
		$sql.='
			AND f.ID NOT IN (\''.$RestrictedForums.'\')';
	}
	$sql .= ')';

	if (!empty($PermittedForums)) {
		$sql.='
			OR f.ID IN (\''.$PermittedForums.'\')';
	}
	$sql .= ')';

	if ($ShowUnread) {
		$sql.='
			AND (	(t.IsLocked=\'0\' OR t.IsSticky=\'1\')
					AND (l.PostID<t.LastPostID OR l.PostID IS NULL)
				) ';
	}

	$sql .= '
		ORDER BY p.ID DESC';

	if ($ShowGrouped) {
		$sql.='
		) AS sub
		GROUP BY TopicID
		ORDER BY ID DESC';
	}

	$sql.=' LIMIT '.$Limit;
	$Posts = $DB->query($sql);

	$DB->query("SELECT FOUND_ROWS()");
	list($Results) = $DB->next_record();

	$DB->set_query_id($Posts);
}

?>
<div class="thin">
	<div class="header">
		<h2>
<?
	if ($ShowGrouped) {
		echo 'Grouped '.($ShowUnread ? 'unread ' : '')."post history for <a href=\"user.php?id=$UserID\">$Username</a>";
	}
	elseif ($ShowUnread) {
		echo "Unread post history for <a href=\"user.php?id=$UserID\">$Username</a>";
	}
	else {
		echo "Post history for <a href=\"user.php?id=$UserID\">$Username</a>";
	}
?>
		</h2>
		<div class="linkbox">
			<br /><br />
<?
if ($ViewingOwn) {
	if (($UserSubscriptions = $Cache->get_value('subscriptions_user_'.$LoggedUser['ID'])) === false) {
		$DB->query("SELECT TopicID FROM users_subscriptions WHERE UserID = '$LoggedUser[ID]'");
		$UserSubscriptions = $DB->collect(0);
		$Cache->cache_value('subscriptions_user_'.$LoggedUser['ID'],$UserSubscriptions,0);
		$DB->set_query_id($Posts);
	}

	if (!$ShowUnread) {
		if ($ShowGrouped) { ?>
			<a href="userhistory.php?action=posts&amp;userid=<?=$UserID?>&amp;showunread=0&amp;group=0" class="brackets">Show all posts</a>&nbsp;&nbsp;&nbsp;
<?		} else { ?>
			<a href="userhistory.php?action=posts&amp;userid=<?=$UserID?>&amp;showunread=0&amp;group=1" class="brackets">Show all posts (grouped)</a>&nbsp;&nbsp;&nbsp;
<?		} ?>
			<a href="userhistory.php?action=posts&amp;userid=<?=$UserID?>&amp;showunread=1&amp;group=1" class="brackets">Only display posts with unread replies (grouped)</a>&nbsp;&nbsp;&nbsp;
<?	} else { ?>
			<a href="userhistory.php?action=posts&amp;userid=<?=$UserID?>&amp;showunread=0&amp;group=0" class="brackets">Show all posts</a>&nbsp;&nbsp;&nbsp;
<?		if (!$ShowGrouped) { ?>
			<a href="userhistory.php?action=posts&amp;userid=<?=$UserID?>&amp;showunread=1&amp;group=1" class="brackets">Only display posts with unread replies (grouped)</a>&nbsp;&nbsp;&nbsp;
<?		} else { ?>
			<a href="userhistory.php?action=posts&amp;userid=<?=$UserID?>&amp;showunread=1&amp;group=0" class="brackets">Only display posts with unread replies</a>&nbsp;&nbsp;&nbsp;
<?		}
	}
?>
			<a href="userhistory.php?action=subscriptions" class="brackets">Go to subscriptions</a>
<?
} else {
?>
			<a href="forums.php?action=search&amp;type=body&amp;user=<?=$Username?>" class="brackets">Search</a>
<?
}
?>
		</div>
	</div>
<?
if (empty($Results)) {
?>
	<div class="center">
		No topics<?=$ShowUnread ? ' with unread posts' : '' ?>
	</div>
<?
} else {
?>
	<div class="linkbox">
<?
	$Pages = Format::get_pages($Page, $Results, $PerPage, 11);
	echo $Pages;
?>
	</div>
<?
	while (list($PostID, $AddedTime, $Body, $EditedUserID, $EditedTime, $EditedUsername, $TopicID, $ThreadTitle, $LastPostID, $LastRead, $Locked, $Sticky) = $DB->next_record()) {
?>
	<table class="forum_post vertical_margin<?=!Users::has_avatars_enabled() ? ' noavatar' : '' ?>" id="post<?=$PostID ?>">
		<colgroup>
<?		if (Users::has_avatars_enabled()) { ?>
			<col class="col_avatar" />
<? 		} ?>
			<col class="col_post_body" />
		</colgroup>
		<tr class="colhead_dark">
			<td colspan="<?=Users::has_avatars_enabled() ? 2 : 1 ?>">
				<span style="float: left;">
					<?=time_diff($AddedTime) ?>
					in <a href="forums.php?action=viewthread&amp;threadid=<?=$TopicID?>&amp;postid=<?=$PostID?>#post<?=$PostID?>" title="<?=display_str($ThreadTitle)?>"><?=Format::cut_string($ThreadTitle, 75)?></a>
<?
		if ($ViewingOwn) {
			if ((!$Locked || $Sticky) && (!$LastRead || $LastRead < $LastPostID)) { ?>
					<span class="new">(New!)</span>
<?
			}
?>
				</span>
<?			if (!empty($LastRead)) { ?>
				<span style="float: left;" class="last_read" title="Jump to last read">
					<a href="forums.php?action=viewthread&amp;threadid=<?=$TopicID?>&amp;postid=<?=$LastRead?>#post<?=$LastRead?>"></a>
				</span>
<?			}
		} else {
?>
				</span>
<?		}
?>
				<span id="bar<?=$PostID ?>" style="float: right;">
<? 		if ($ViewingOwn && !in_array($TopicID, $UserSubscriptions)) { ?>
					<a href="#" onclick="Subscribe(<?=$TopicID?>);$('.subscribelink<?=$TopicID?>').remove();return false;" class="brackets subscribelink<?=$TopicID?>">Subscribe</a>
					&nbsp;
<? 		} ?>
					<a href="#">&uarr;</a>
				</span>
			</td>
		</tr>
<?
		if (!$ShowGrouped) {
?>
		<tr>
<?	if (Users::has_avatars_enabled()) { ?>
			<td class="avatar" valign="top">
				<?=Users::show_avatar($Avatar, $Username, $HeavyInfo['DisableAvatars'])?>
			</td>
<?	} ?>
			<td class="body" valign="top">
				<div id="content<?=$PostID?>">
					<?=$Text->full_format($Body)?>
<?			if ($EditedUserID) { ?>
					<br />
					<br />
<?				if (check_perms('site_moderate_forums')) { ?>
					<a href="#content<?=$PostID?>" onclick="LoadEdit(<?=$PostID?>, 1)">&laquo;</a>
<? 				} ?>
					Last edited by
					<?=Users::format_username($EditedUserID, false, false, false) ?> <?=time_diff($EditedTime,2,true,true)?>
<?			} ?>
				</div>
			</td>
		</tr>
<?
		}
?>
	</table>
<? 	} ?>
	<div class="linkbox">
<?=$Pages?>
	</div>
<? } ?>
</div>
<? View::show_footer(); ?>