Gazelle/sections/forums/forum.php

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<?
/**********|| 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,$Limit) = page_limit(TOPICS_PER_PAGE);
//---------- Get some data to start processing
// Caching anything beyond the first page of any given forum is just wasting ram
// users are more likely to search then to browse to page 2
if($Page==1) {
list($Forum,,,$Stickies) = $Cache->get_value('forums_'.$ForumID);
}
if(!isset($Forum) || !is_array($Forum)) {
$DB->query("SELECT
t.ID,
t.Title,
t.AuthorID,
t.IsLocked,
t.IsSticky,
t.NumPosts,
t.LastPostID,
t.LastPostTime,
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t.LastPostAuthorID
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FROM forums_topics AS t
WHERE t.ForumID = '$ForumID'
ORDER BY t.IsSticky DESC, t.LastPostTime DESC
LIMIT $Limit"); // Can be cached until someone makes a new post
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$Forum = $DB->to_array('ID',MYSQLI_ASSOC, false);
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if($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')) {
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if (isset($LoggedUser['CustomForums'][$ForumID]) && $LoggedUser['CustomForums'][$ForumID] === 0) { error(403); }
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}
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$ForumName = display_str($Forums[$ForumID]['Name']);
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if($LoggedUser['CustomForums'][$ForumID] != 1 && $Forums[$ForumID]['MinClassRead'] > $LoggedUser['Class']) { error(403); }
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// Start printing
show_header('Forums > '. $Forums[$ForumID]['Name']);
?>
<div class="thin">
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<h2><a href="forums.php">Forums</a> &gt; <?=$ForumName?></h2>
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<div class="linkbox">
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<? if(check_forumperm($ForumID, 'Write') && check_forumperm($ForumID, 'Create')){ ?>
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[<a href="forums.php?action=new&amp;forumid=<?=$ForumID?>">New Thread</a>]
<? } ?>
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[<a href="#" onclick="$('#searchforum').toggle(); this.innerHTML = (this.innerHTML == 'Search this Forum'?'Hide Search':'Search this Forum'); return false;">Search this Forum</a>]
<div id="searchforum" class="hidden center">
<div style="display: inline-block;">
<h3>Search this forum:</h3>
<form action="forums.php" method="get">
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<table cellpadding="6" cellspacing="1" border="0" class="layout border">
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<input type="hidden" name="action" value="search" />
<input type="hidden" name="forums[]" value="<?=$ForumID?>" />
<tr>
<td><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>
<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>
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<?
/*
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if(check_perms('users_mod')) {
$DB->query("SELECT ForumID from subscribed_forums WHERE ForumID='$ForumID' AND SubscriberID='$LoggedUser[ID]'");
if($DB->record_count() == 0) { ?>
[<a href="forums.php?action=forum_subscribe&amp;perform=add&amp;forumid=<?=$ForumID?>&amp;auth=<?=$LoggedUser['AuthKey']?>">Subscribe to Forum</a>]
<? } else { ?>
[<a href="forums.php?action=forum_subscribe&amp;perform=remove&amp;forumid=<?=$ForumID?>&amp;auth=<?=$LoggedUser['AuthKey']?>">Unsubscribe from Forum</a>]
<? }
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}
*/
?>
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</div>
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<? if(check_perms('site_moderate_forums')) { ?>
<div class="linkbox">
<a href="forums.php?action=edit_rules&amp;forumid=<?=$ForumID?>">Change specific rules</a>
</div>
<? } ?>
<? if(!empty($Forums[$ForumID]['SpecificRules'])) { ?>
<div class="linkbox">
<strong>Forum Specific Rules</strong>
<? foreach($Forums[$ForumID]['SpecificRules'] as $ThreadIDs) {
$Thread = get_thread_info($ThreadIDs);
?>
<br />
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[<a href="forums.php?action=viewthread&amp;threadid=<?=$ThreadIDs?>"><?=display_str($Thread['Title'])?></a>]
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<? } ?>
</div>
<? } ?>
<div class="linkbox pager">
<?
$Pages=get_pages($Page,$Forums[$ForumID]['NumTopics'],TOPICS_PER_PAGE,9);
echo $Pages;
?>
</div>
<table class="forum_list" width="100%">
<tr class="colhead">
<td style="width:2%;"></td>
<td>Latest</td>
<td style="width:7%;">Replies</td>
<td style="width:14%;">Author</td>
</tr>
<?
// Check that we have content to process
if (count($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 $Topic){
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list($TopicID, $Title, $AuthorID, $Locked, $Sticky, $PostCount, $LastID, $LastTime, $LastAuthorID) = array_values($Topic);
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$Row = ($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($PageLinks);
?>
<strong>
<a href="forums.php?action=viewthread&amp;threadid=<?=$TopicID?>" title="<?=display_str($Title)?>"><?=display_str(cut_string($Title, $TopicLength)) ?></a>
</strong>
<?=$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[$TopicID]['PostID']?>"></a>
</span>
<? } ?>
<span style="float:right;" class="last_poster">
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by <?=format_username($LastAuthorID, false, false, false)?> <?=time_diff($LastTime,1)?>
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</span>
</td>
<td><?=number_format($PostCount-1)?></td>
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<td><?=format_username($AuthorID, false, false, false)?></td>
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</tr>
<? }
} ?>
</table>
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<!--<div class="breadcrumbs">
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<a href="forums.php">Forums</a> &gt; <?=$ForumName?>
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</div>-->
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<div class="linkbox pager">
<?=$Pages?>
</div>
<div class="linkbox">[<a href="forums.php?action=catchup&amp;forumid=<?=$ForumID?>&amp;auth=<?=$LoggedUser['AuthKey']?>">Catch up</a>]</div>
</div>
<? show_footer(); ?>