Gazelle/sections/forums/forum.php
2013-07-17 08:00:52 +00:00

289 lines
8.9 KiB
PHP

<?php
/**********|| Page to show individual forums || ********************************\
Things to expect in $_GET:
ForumID: ID of the forum curently being browsed
page: The page the user's on.
page = 1 is the same as no page
********************************************************************************/
//---------- Things to sort out before it can start printing/generating content
// Check for lame SQL injection attempts
$ForumID = $_GET['forumid'];
if (!is_number($ForumID)) {
error(0);
}
if (isset($LoggedUser['PostsPerPage'])) {
$PerPage = $LoggedUser['PostsPerPage'];
} else {
$PerPage = POSTS_PER_PAGE;
}
list($Page, $Limit) = Format::page_limit(TOPICS_PER_PAGE);
//---------- Get some data to start processing
// Caching anything beyond the first page of any given forum is just wasting ram
// users are more likely to search then to browse to page 2
if ($Page == 1) {
list($Forum,,,$Stickies) = $Cache->get_value("forums_$ForumID");
}
if (!isset($Forum) || !is_array($Forum)) {
$DB->query("
SELECT
t.ID,
t.Title,
t.AuthorID,
t.IsLocked,
t.IsSticky,
t.NumPosts,
t.LastPostID,
t.LastPostTime,
t.LastPostAuthorID
FROM forums_topics AS t
WHERE t.ForumID = '$ForumID'
ORDER BY t.Ranking = 0, t.Ranking ASC, t.IsSticky DESC, t.LastPostTime DESC
LIMIT $Limit"); // Can be cached until someone makes a new post
$Forum = $DB->to_array('ID', MYSQLI_ASSOC, false);
if ($Page == 1) {
$DB->query("
SELECT COUNT(ID)
FROM forums_topics
WHERE ForumID = '$ForumID'
AND IsSticky = '1'");
list($Stickies) = $DB->next_record();
$Cache->cache_value("forums_$ForumID", array($Forum, '', 0, $Stickies), 0);
}
}
if (!isset($Forums[$ForumID])) {
error(404);
}
// Make sure they're allowed to look at the page
if (!check_perms('site_moderate_forums')) {
if (isset($LoggedUser['CustomForums'][$ForumID]) && $LoggedUser['CustomForums'][$ForumID] === 0) {
error(403);
}
}
$ForumName = display_str($Forums[$ForumID]['Name']);
if ($LoggedUser['CustomForums'][$ForumID] != 1 && $Forums[$ForumID]['MinClassRead'] > $LoggedUser['Class']) {
error(403);
}
// Start printing
View::show_header('Forums &gt; '. $Forums[$ForumID]['Name']);
?>
<div class="thin">
<h2><a href="forums.php">Forums</a> &gt; <?=$ForumName?></h2>
<div class="linkbox">
<? if (check_forumperm($ForumID, 'Write') && check_forumperm($ForumID, 'Create')) { ?>
<a href="forums.php?action=new&amp;forumid=<?=$ForumID?>" class="brackets">New thread</a>
<? } ?>
<a href="#" onclick="$('#searchforum').gtoggle(); this.innerHTML = (this.innerHTML == 'Search this forum' ? 'Hide search' : 'Search this forum'); return false;" class="brackets">Search this forum</a>
<div id="searchforum" class="hidden center">
<div style="display: inline-block;">
<h3>Search this forum:</h3>
<form class="search_form" name="forum" action="forums.php" method="get">
<table cellpadding="6" cellspacing="1" border="0" class="layout border">
<tr>
<td>
<input type="hidden" name="action" value="search" />
<input type="hidden" name="forums[]" value="<?=$ForumID?>" />
<strong>Search for:</strong>
</td>
<td>
<input type="text" id="searchbox" name="search" size="70" />
</td>
</tr>
<tr>
<td><strong>Search in:</strong></td>
<td>
<input type="radio" name="type" id="type_title" value="title" checked="checked" />
<label for="type_title">Titles</label>
<input type="radio" name="type" id="type_body" value="body" />
<label for="type_body">Post bodies</label>
</td>
</tr>
<tr>
<td><strong>Username:</strong></td>
<td><input type="text" id="username" name="user" size="70" /></td>
</tr>
<tr>
<td colspan="2" style="text-align: center;"><input type="submit" name="submit" value="Search" /></td>
</tr>
</table>
</form>
<br />
</div>
</div>
<?
/*
if (check_perms('users_mod')) {
$DB->query("
SELECT ForumID
FROM subscribed_forums
WHERE ForumID='$ForumID'
AND SubscriberID='$LoggedUser[ID]'");
if (!$DB->has_results()) { ?>
<a href="forums.php?action=forum_subscribe&amp;perform=add&amp;forumid=<?=$ForumID?>&amp;auth=<?=$LoggedUser['AuthKey']?>" class="brackets">Subscribe to forum</a>
<? } else { ?>
<a href="forums.php?action=forum_subscribe&amp;perform=remove&amp;forumid=<?=$ForumID?>&amp;auth=<?=$LoggedUser['AuthKey']?>" class="brackets">Unsubscribe from forum</a>
<? }
}
*/
?>
</div>
<? if (check_perms('site_moderate_forums')) { ?>
<div class="linkbox">
<a href="forums.php?action=edit_rules&amp;forumid=<?=$ForumID?>" class="brackets">Change specific rules</a>
</div>
<? } ?>
<? if (!empty($Forums[$ForumID]['SpecificRules'])) { ?>
<div class="linkbox">
<strong>Forum Specific Rules</strong>
<? foreach ($Forums[$ForumID]['SpecificRules'] as $ThreadIDs) {
$Thread = get_thread_info($ThreadIDs);
?>
<br />
<a href="forums.php?action=viewthread&amp;threadid=<?=$ThreadIDs?>" class="brackets"><?=display_str($Thread['Title'])?></a>
<? } ?>
</div>
<? } ?>
<div class="linkbox pager">
<?
$Pages = Format::get_pages($Page, $Forums[$ForumID]['NumTopics'], TOPICS_PER_PAGE, 9);
echo $Pages;
?>
</div>
<table class="forum_index" width="100%">
<tr class="colhead">
<td style="width: 2%;"></td>
<td>Latest</td>
<td style="width: 7%;">Replies</td>
<td style="width: 14%;">Author</td>
</tr>
<?
// Check that we have content to process
if (count($Forum) === 0) {
?>
<tr>
<td colspan="4">
No threads to display in this forum!
</td>
</tr>
<?
} else {
// forums_last_read_topics is a record of the last post a user read in a topic, and what page that was on
$DB->query("
SELECT
l.TopicID,
l.PostID,
CEIL((
SELECT COUNT(ID)
FROM forums_posts
WHERE forums_posts.TopicID = l.TopicID
AND forums_posts.ID <= l.PostID
) / $PerPage
) AS Page
FROM forums_last_read_topics AS l
WHERE TopicID IN(".implode(', ', array_keys($Forum)).')
AND UserID = \''.$LoggedUser['ID'].'\'');
// Turns the result set into a multi-dimensional array, with
// forums_last_read_topics.TopicID as the key.
// This is done here so we get the benefit of the caching, and we
// don't have to make a database query for each topic on the page
$LastRead = $DB->to_array('TopicID');
//---------- Begin printing
$Row = 'a';
foreach ($Forum as $Topic) {
list($TopicID, $Title, $AuthorID, $Locked, $Sticky, $PostCount, $LastID, $LastTime, $LastAuthorID) = array_values($Topic);
$Row = $Row === 'a' ? 'b' : 'a';
// Build list of page links
// Only do this if there is more than one page
$PageLinks = array();
$ShownEllipses = false;
$PagesText = '';
$TopicPages = ceil($PostCount / $PerPage);
if ($TopicPages > 1) {
$PagesText = ' (';
for ($i = 1; $i <= $TopicPages; $i++) {
if ($TopicPages > 4 && ($i > 2 && $i <= $TopicPages - 2)) {
if (!$ShownEllipses) {
$PageLinks[] = '-';
$ShownEllipses = true;
}
continue;
}
$PageLinks[] = "<a href=\"forums.php?action=viewthread&amp;threadid=$TopicID&amp;page=$i\">$i</a>";
}
$PagesText .= implode(' ', $PageLinks);
$PagesText .= ')';
}
// handle read/unread posts - the reason we can't cache the whole page
if ((!$Locked || $Sticky) && ((empty($LastRead[$TopicID]) || $LastRead[$TopicID]['PostID'] < $LastID) && strtotime($LastTime) > $LoggedUser['CatchupTime'])) {
$Read = 'unread';
} else {
$Read = 'read';
}
if ($Locked) {
$Read .= '_locked';
}
if ($Sticky) {
$Read .= '_sticky';
}
?>
<tr class="row<?=$Row?>">
<td class="<?=$Read?>" title="<?=ucwords(str_replace('_', ' ', $Read))?>"></td>
<td>
<span style="float: left;" class="last_topic">
<?
$TopicLength = 75 - (2 * count($PageLinks));
unset($PageLinks);
$Title = display_str($Title);
$DisplayTitle = $Title;
?>
<strong>
<a href="forums.php?action=viewthread&amp;threadid=<?=$TopicID?>" title="<?=$Title?>"><?=Format::cut_string($DisplayTitle, $TopicLength) ?></a>
</strong>
<?=$PagesText?>
</span>
<? if (!empty($LastRead[$TopicID])) { ?>
<span style="float: left;" class="last_read" title="Jump to last read">
<a href="forums.php?action=viewthread&amp;threadid=<?=$TopicID?>&amp;page=<?=$LastRead[$TopicID]['Page']?>#post<?=$LastRead[$TopicID]['PostID']?>"></a>
</span>
<? } ?>
<span style="float: right;" class="last_poster">
by <?=Users::format_username($LastAuthorID, false, false, false)?> <?=time_diff($LastTime, 1)?>
</span>
</td>
<td><?=number_format($PostCount - 1)?></td>
<td><?=Users::format_username($AuthorID, false, false, false)?></td>
</tr>
<? }
} ?>
</table>
<!--<div class="breadcrumbs">
<a href="forums.php">Forums</a> &gt; <?=$ForumName?>
</div>-->
<div class="linkbox pager">
<?=$Pages?>
</div>
<div class="linkbox"><a href="forums.php?action=catchup&amp;forumid=<?=$ForumID?>&amp;auth=<?=$LoggedUser['AuthKey']?>" class="brackets">Catch up</a></div>
</div>
<? View::show_footer(); ?>