boinc/html/inc/forum.inc

1088 lines
38 KiB
PHP

<?php
require_once("../inc/forum_db.inc");
require_once("../inc/pm.inc");
require_once("../inc/team.inc");
require_once("../inc/text_transform.inc");
define('THREADS_PER_PAGE', 50);
// sorting styles
define('MODIFIED_NEW', 1);
define('MODIFIED_OLD',2);
define('VIEWS_MOST',3);
define('REPLIES_MOST',4);
define('CREATE_TIME_NEW',5);
define('CREATE_TIME_OLD',6);
define('POST_SCORE',7);
// names for the above
$thread_sort_styles[CREATE_TIME_OLD] = "Oldest post first";
$thread_sort_styles[CREATE_TIME_NEW] = "Newest post first";
$thread_sort_styles[POST_SCORE] = "Highest rated posts first";
$forum_sort_styles[MODIFIED_NEW] = "Newest reply first";
//$forum_sort_styles[MODIFIED_OLD] = "Oldest reply first";
$forum_sort_styles[VIEWS_MOST] = "Most views first";
$forum_sort_styles[REPLIES_MOST] = "Most posts first";
$forum_sort_styles[CREATE_TIME_NEW] = "Newest first";
//$forum_sort_styles[CREATE_TIME_OLD] = "Oldest first";
// values for thread.status
define('THREAD_SOLVED', 1);
define('AVATAR_WIDTH', 100);
define('AVATAR_HEIGHT',100);
define('ST_NEW_TIME', 1209600); //3600*24*14 - 14 days
define('ST_NEW', 'New member');
define('MAXIMUM_EDIT_TIME',3600);
// allow edits of forums posts up till one hour after posting.
define('MAX_FORUM_LOGGING_TIME', 2419200); //3600*24*28 - 28 days
define('NO_CONTROLS', 0);
define('FORUM_CONTROLS', 1);
define('HELPDESK_CONTROLS', 2);
define("EXCERPT_LENGTH", "120");
define('NEW_IMAGE', 'img/unread_post.png');
define('NEW_IMAGE_STICKY', 'img/unread_sticky.png');
define('NEW_IMAGE_LOCKED', 'img/unread_locked.png');
define('NEW_IMAGE_STICKY_LOCKED', 'img/unread_sticky_locked.png');
define('IMAGE_STICKY', 'img/sticky_post.png');
define('IMAGE_LOCKED', 'img/locked_post.png');
define('IMAGE_STICKY_LOCKED', 'img/sticky_locked_post.png');
define('NEW_IMAGE_HEIGHT','15');
define('EMPHASIZE_IMAGE', 'img/emphasized_post.png');
define('EMPHASIZE_IMAGE_HEIGHT','15');
define('FILTER_IMAGE', 'img/filtered_post.png');
define('FILTER_IMAGE_HEIGHT','15');
define('RATE_POSITIVE_IMAGE', 'img/rate_positive.png');
define('RATE_POSITIVE_IMAGE_HEIGHT','9');
define('RATE_NEGATIVE_IMAGE', 'img/rate_negative.png');
define('RATE_NEGATIVE_IMAGE_HEIGHT','9');
define('REPORT_POST_IMAGE', 'img/report_post.png');
define('REPORT_POST_IMAGE_HEIGHT','9');
define ('SOLUTION', 'This answered my question');
define ('SUFFERER', 'I also have this question');
define ('OFF_TOPIC', 'Off-topic');
define ('DEFAULT_LOW_RATING_THRESHOLD', -25);
define ('DEFAULT_HIGH_RATING_THRESHOLD', 5);
// A list of what kind of special users exist
define('S_MODERATOR', 0);
define('S_ADMIN', 1);
define('S_DEV', 2);
define('S_TESTER', 3);
define('S_VOLUNTEER', 4);
define('S_VOLUNTEER_TESTER', 5);
define('S_SCIENTIST', 6);
$special_user_bitfield[S_MODERATOR]="Forum moderator";
$special_user_bitfield[S_ADMIN]="Project administrator";
$special_user_bitfield[S_DEV]="Project developer";
$special_user_bitfield[S_TESTER]="Project tester";
$special_user_bitfield[S_VOLUNTEER]="Volunteer developer";
$special_user_bitfield[S_VOLUNTEER_TESTER]="Volunteer tester";
$special_user_bitfield[S_SCIENTIST]="Project scientist";
// show a banner with search form on left and PM info on right
//
function show_forum_header($user) {
start_table_noborder();
echo "<tr>\n";
// Search
echo "<td><form action=\"forum_search_action.php\" method=\"POST\">
<input type=\"hidden\" name=\"search_max_time\" value=\"30\">
<input type=\"hidden\" name=\"search_forum\" value=\"-1\">
<input type=\"hidden\" name=\"search_sort\" value=\"5\">
<input type=\"text\" name=\"search_keywords\">
<input class=\"btn\" title=\"".tra("Search for words in forum messages")."\" type=\"submit\" value=\"".tra("Search forums")."\"><br>
<span class=\"smalltext\"><a href=\"forum_search.php\">".tra("Advanced search")."</a></span>
</form>
";
echo "</td>\n";
if ($user) {
echo "<td align=\"right\">\n";
echo "<p>".tra("Private messages").": ", pm_notification($user);
echo "</td>\n";
}
echo "</tr>\n";
end_table();
}
// Output the forum/thread title.
//
function show_forum_title($category, $forum, $thread, $link_thread=false) {
if ($category) {
$is_helpdesk = $category->is_helpdesk;
} else {
$is_helpdesk = false;
}
$where = $is_helpdesk?tra("Questions and Answers"):tra("Message boards");
$top_url = $is_helpdesk?"forum_help_desk.php":"forum_index.php";
if (!$forum && !$thread) {
echo "<span class=\"title\">$where</span>";
} else if ($forum && !$thread) {
echo "<span class=title>";
echo "<a href=\"$top_url\">$where</a> : ";
echo $forum->title;
echo "</span>";
} else if ($forum && $thread) {
echo "<span class=title>
<a href=\"$top_url\">$where</a> :
<a href=\"forum_forum.php?id=".$forum->id."\">", $forum->title, "</a> :
";
if ($link_thread) {
echo "<a href=forum_thread.php?id=$thread->id>";
}
echo cleanup_title($thread->title);
if ($link_thread) {
echo "</a>";
}
echo "</span>";
} else {
echo "Invalid input to show_forum_title<br>";
echo "threadid $thread->id";
// TODO: handle this condition gracefully
}
}
function show_team_forum_title($forum, $thread=null, $link_thread=false) {
$team = BoincTeam::lookup_id($forum->category);
echo "<span class=title>
<a href=\"forum_index.php\">".tra("Message boards")."</a> :
";
if ($thread) {
echo "
<a href=team_forum.php?teamid=$team->id>".tra("%1 message board", $team->name)."</a>
";
if ($link_thread) {
echo " : <a href=forum_thread.php?id=$thread->id>$thread->title</a>";
} else {
echo " : $thread->title";
}
} else {
echo tra("%1 message board", $team->name);
}
echo "</span>";
}
// Start the forum table, output the proper headings and such.
//
function start_forum_table($headings, $extra="width=\"100%\"") {
$span = null;
start_table($extra." cellspacing=\"0\"");
echo "<tr>";
for ($i=0; $i<count($headings); $i++) {
if (is_array($headings[$i])){
$title = $headings[$i][0];
$class = $headings[$i][1]?$headings[$i][1]:"heading";
if (isset($headings[$i][2])) {
$span = " colspan=\"".$headings[$i][2]."\" ";
}
} else {
$title = $headings[$i];
$class = "heading";
$span="";
}
echo "<th class=$class$span>$title</th>";
}
echo "</tr>\n";
}
// return a string containing a paged navigation bar
// for the given forum. The default start place is 0.
//
function show_page_nav($forum, $start=0){
// How many pages to potentially show before and after this one:
$preshow = 5; $postshow = 10;
$navbar = "";
if ($forum->threads > THREADS_PER_PAGE) {
$total = ceil($forum->threads / THREADS_PER_PAGE);
$curpage = ceil($start / THREADS_PER_PAGE);
// If this is not the first page, display "previous"
if ($curpage > 0){
$navbar = '<a href="forum_forum.php?id='.get_int("id").'&start='.(($curpage-1)*THREADS_PER_PAGE);
$sort = get_int("sort",true);
if ($sort) $navbar.='&sort='.$sort;
$navbar.= '"> &lt;-- Previous</a> ';
}
// Display a list of pages surrounding this one
for ($i=$curpage-$preshow;$i<($curpage+$postshow);$i++){
if ($i<1) continue;
if ($i>$total) break;
// If this is the current page, emphasize it.
if ($i == $curpage+1){
$navbar.="<em>";
}
$navbar.='<a href="forum_forum.php?id='.get_int("id").'&start='.(($i-1)*THREADS_PER_PAGE);
$sort = get_int("sort",true);
if ($sort) $navbar.='&sort='.$sort;
$navbar.='">'.$i.' |</a> ';
if ($i == $curpage+1){$navbar.="</em>";}
}
// If there is a next page
if ($curpage+1 < $total){
$navbar.= '<a href="forum_forum.php?id='.get_int("id").'&start='.(($curpage+1)*THREADS_PER_PAGE);
$sort = get_int("sort",true);
if ($sort) $navbar.='&sort='.$sort;
$navbar.= '"> Next --&gt;</a>';
}
}
return $navbar;
}
function thread_last_visit($user, $thread) {
if (!$user) return false;
$log = BoincForumLogging::lookup($user->id, $thread->id);
return $log->timestamp;
}
function thread_is_unread($user, $thread) {
if (!$user) return false;
if ($thread->timestamp < $user->prefs->mark_as_read_timestamp) return false;
$log = BoincForumLogging::lookup($user->id, $thread->id);
if ($log && ($thread->timestamp < $log->timestamp)) return false;
return true;
}
// Process a user-supplied title to remove HTML stuff
//
function cleanup_title($title) {
$x = trim(htmlspecialchars($title));
if (strlen($x)==0) return "(no title)";
else return $x;
}
function can_reply($thread, $forum, $user) {
if ($thread->locked) {
if (!is_moderator($user, $forum)) return false;
}
return true;
}
function should_show_post(
$logged_in_user, $postcount, $postnumber, $post, $sort_style, $last_visit
){
$no_wraparound = get_str("nowrap",true);
// If no user logged in, display everything (useful for Google bots etc)
//
if (!$logged_in_user) return true;
// If the user hasn't enabled the feature to display only
// a certain amount of posts, simply display all of them.
//
if (!$logged_in_user->prefs->minimum_wrap_postcount) return true;
// If the user has asked to display all the posts just display them
//
if ($no_wraparound) return true;
// If it is enabled and we havent yet hit the limit, simply display all
if ($postcount < $logged_in_user->prefs->minimum_wrap_postcount) return true;
// display the post if it is the first post
//
if ($postnumber==1 || $postnumber==($postcount+1)) return true;
// if this post is unread, show it
//
if ($post->timestamp > $last_visit) return true;
// The user can choose to display the last X posts in a thread only,
// "last" here depends on sorting criteria:
//
if ($sort_style == CREATE_TIME_OLD){
if ($postnumber > $postcount+1-$logged_in_user->prefs->display_wrap_postcount) return true;
} else if ($sort_style == CREATE_TIME_NEW){
if ($postnumber <= $logged_in_user->prefs->display_wrap_postcount) return true;
} else {
// For other sorting criteria we do not know how to define "last"
// so simply display it all
//
return true;
}
// In all other cases we should not show this particular post
return false;
}
// Show the posts in a thread for a user.
//
function show_posts(
$thread, $forum, $sort_style, $filter, $logged_in_user, $show_controls=true
) {
$n = 1;
$first_unread_post = null;
$last_visit = 0;
if ($show_controls) {
$controls = FORUM_CONTROLS;
} else {
$controls = NO_CONTROLS;
}
// If logged in user is moderator,
// let him see all posts - including hidden ones
//
if (is_moderator($logged_in_user, $forum)) {
$show_hidden = true;
} else {
$show_hidden = false;
}
$posts = get_thread_posts($thread->id, $sort_style, $show_hidden);
$postcount = (sizeof($posts)-1);
if ($logged_in_user) {
$last_visit = thread_last_visit($logged_in_user, $thread);
}
$postnumber=0; $previous_post=0;
$no_wraparound = get_str("nowrap",true);
foreach ($posts as $post){
$postnumber++;
if (should_show_post(
$logged_in_user, $postcount, $postnumber, $post,
$sort_style, $last_visit)
) {
if ($postnumber!=$previous_post+1){
// A number of posts were hidden, display a way to unhide them:
//
echo "<tr class=\"postseperator\"><td></td><td colspan=\"2\">
Only the first post and the last ".($logged_in_user->prefs->display_wrap_postcount)." posts
(of the ".($postcount+1)." posts in this thread) are displayed. <br />
<a href=\"?id=".$thread->id."&amp;nowrap=true\">Click here to also display the remaining posts</a>.</td></tr>
";
}
$previous_post=$postnumber;
show_post($post, $thread, $forum, $logged_in_user, $last_visit, $n, $controls, $filter);
$n = ($n+1)%2;
if (($post->timestamp>$last_visit) &&
((!$first_unread_post) || ($post->timestamp<$first_unread_post->timestamp))
){
$first_unread_post=$post;
}
}
}
if ($logged_in_user && $logged_in_user->prefs->jump_to_unread){
if ($first_unread_post){
echo "<script>function jumpToUnread(){location.href='#".$first_unread_post->id."';}</script>";
} else {
echo "<script>function jumpToUnread(){};</script>";
}
}
if ($logged_in_user) {
BoincForumLogging::replace($logged_in_user->id, $thread->id, time());
}
}
function get_ignored_list($user) {
return explode("|", $user->prefs->ignorelist);
}
function add_ignored_user($user, $other_user) {
$list = explode("|", $user->prefs->ignorelist);
foreach ($list as $key=>$userid) {
if ($userid == $other_user->id) {
return true;
}
}
$list[] = $other_user->id;
$x = implode("|", array_values($list));
return $user->prefs->update("ignorelist='$x'");
}
function remove_ignored_user($user, $other_user) {
$list = explode("|", $user->prefs->ignorelist);
foreach ($list as $key=>$userid) {
if ($userid == $other_user->id) {
unset($list[$key]);
}
}
$x = implode("|", array_values($list));
return $user->prefs->update("ignorelist='$x'");
}
function is_ignoring($user, $other_user) {
$list = explode("|", $user->prefs->ignorelist);
return in_array($other_user->id, $list);
}
// Display an individual post
//
function show_post(
$post, $thread, $forum, $logged_in_user, $last_visit, $n, $controls=FORUM_CONTROLS, $filter=true
) {
$user = BoincUser::lookup_id($post->user);
BoincForumPrefs::lookup($user);
if (is_banished($user) && !is_moderator($logged_in_user, $forum)) {
return;
}
$config = get_config();
$no_forum_rating = parse_bool($config, "no_forum_rating");
$tokens = "";
$rated_below_threshold = false;
$rated_above_threshold = false;
$options = get_output_options($logged_in_user);
//If the user that made this post is on the list of people to ignore,
// change thresholds to be much more strict
//
if ($logged_in_user){
$tokens = url_tokens($logged_in_user->authenticator);
if (is_ignoring($logged_in_user, $user)){
$user_is_on_ignorelist=true;
$rated_below_threshold = ($logged_in_user->prefs->high_rating_threshold>$post->rating());
$rated_above_threshold = ($logged_in_user->prefs->high_rating_threshold+abs($logged_in_user->prefs->low_rating_threshold)<($post->rating));
} else { //Use normal threshold values
$rated_below_threshold = ($logged_in_user->prefs->low_rating_threshold>($post->rating()));
$rated_above_threshold = ($logged_in_user->prefs->high_rating_threshold<($post->rating()));
}
}
// The creator can edit the post, but only in a specified amount of time
// (exception: a moderator can edit his/her posts at any time)
//
$can_edit = false;
if ($logged_in_user) {
if ($user->id == $logged_in_user->id) {
if (is_moderator($logged_in_user, $forum)) {
$can_edit = true;
} else if (can_reply($thread, $forum, $logged_in_user)) {
$time_limit = $post->timestamp+MAXIMUM_EDIT_TIME;
$can_edit = time()<$time_limit;
} else {
$can_edit = false;
}
}
}
echo "
<tr class=\"row".$n."\" valign=\"top\">
<td rowspan=\"3\"><a name=\"".$post->id."\"></a><div class=\"authorcol\">
";
echo user_links($user);
echo "<br>";
// Print the special user lines, if any
global $special_user_bitfield;
$fstatus="";
$keys = array_keys($special_user_bitfield);
for ($i=0; $i<sizeof($special_user_bitfield);$i++) {
if ($user->prefs->privilege($keys[$i])) {
$fstatus.=$special_user_bitfield[$keys[$i]]."<br>";
}
}
if ($user->create_time > time()-ST_NEW_TIME) $fstatus.=ST_NEW."<br>";
if ($fstatus) echo "<font size=\"-2\">$fstatus</font>";
echo "<span class=\"authorinfo\">";
if (!$filter || !$rated_below_threshold){
if ($user->prefs->avatar!="" && (!$logged_in_user || ($logged_in_user->prefs->hide_avatars==false))) {
echo "<img width=\"".AVATAR_WIDTH."\" height=\"".AVATAR_HEIGHT."\" src=\"".$user->prefs->avatar."\" alt=\"Avatar\"><br>";
}
}
$url = "pm.php?action=new&userid=".$user->id;
$name = $user->name;
show_button($url, "Send message", "Send $name a private message");
echo "<br>Joined: ", gmdate('M j y', $user->create_time), "<br>";
if (!isset($user->nposts)) {
$user->nposts = BoincPost::count("user=$user->id");
}
if(function_exists('project_forum_user_info')){
project_forum_user_info($user);
} else { // default
// circumvent various forms of identity spoofing
// by displaying the user id of the poster.
//
echo "Posts: $user->nposts<br>";
echo "ID: ".$user->id."<br>";
echo "Credit: ".number_format($user->total_credit)."<br>";
echo "RAC: ".number_format($user->expavg_credit)."<br>";
}
echo "</span></div></td>";
if ($controls == FORUM_CONTROLS) {
echo "<td colspan=\"2\" class=\"postheader\">";
echo "<form action=\"forum_rate.php?post=", $post->id, "\" method=\"post\">";
} else {
echo "<td class=\"postheader\">";
}
if ($logged_in_user && $post->timestamp>$last_visit){
show_image(NEW_IMAGE, "You haven't read this message yet", "Unread", NEW_IMAGE_HEIGHT);
}
if ($rated_above_threshold){
show_image(EMPHASIZE_IMAGE, "This message has a high average rating", "Highly rated", EMPHASIZE_IMAGE_HEIGHT);
}
echo " <a href=\"forum_thread.php?id=".$thread->id."&nowrap=true#$post->id\">Message ".$post->id."</a> - ";
if ($post->hidden) echo "<font color=red>[hidden] </font>";
echo "
Posted ", pretty_time_str($post->timestamp);
;
if ($post->parent_post) {
echo " - in response to <a href=\"forum_thread.php?id=".$thread->id."&nowrap=true#".$post->parent_post."\">Message ID ".$post->parent_post."</a>.";
}
echo " ";
if ($can_edit && $controls != NO_CONTROLS) {
show_button("forum_edit.php?id=".$post->id."$tokens", "Edit", "Edit this message");
}
if (is_moderator($logged_in_user, $forum)) {
show_post_moderation_links($config, $logged_in_user, $post, $forum, $tokens);
}
if ($post->modified) {
echo "<br>Last modified: ", pretty_time_Str($post->modified);
}
if ($rated_below_threshold && $filter){
if ($user_is_on_ignorelist) {
$andtext=" and the user is on your ignore list";
}
echo "<br>This post has been filtered (rating: ".($post->rating()).")$andtext, press <a href=\"?id=".$thread->id."&amp;filter=false#".$post->id."\">here</a> to view this thread without filtering";
}
echo "</td></tr></form>";
echo "<tr class=\"row$n\"><td class=\"postbody\" colspan=\"2\">";
if (!$filter || !$rated_below_threshold){
$posttext = $post->content;
// If the creator of this post has a signature and
// wants it to be shown for this post AND the logged in
// user has signatures enabled: show it
//
if ($post->signature && (!$logged_in_user || !$logged_in_user->prefs->hide_signatures)){
$posttext.="\n____________\n".$user->prefs->signature;
}
$posttext = output_transform($posttext, $options);
echo "<p>", $posttext, "</p>";
echo "</td></tr><tr><td class=\"postfooter\">ID: <i>", $post->id;
if ($no_forum_rating != NULL) {
echo " | <a href=\"forum_report_post.php?post=".$post->id."\">";
show_image(REPORT_POST_IMAGE, "Report this post as offensive", "Report as offensive", REPORT_POST_IMAGE_HEIGHT);
echo "</td>";
} else {
$rating = $post->rating();
echo " | Rating: ", $rating, "</i> | rate:
<a href=\"forum_rate.php?post=".$post->id."&amp;choice=p$tokens\">
";
show_image(RATE_POSITIVE_IMAGE, "Click if you like this message", "Rate +", RATE_POSITIVE_IMAGE_HEIGHT);
echo "</a> / <a href=\"forum_rate.php?post=".$post->id."&choice=n$tokens\">";
show_image(RATE_NEGATIVE_IMAGE, "Click if you don't like this message", "Rate -", RATE_NEGATIVE_IMAGE_HEIGHT);
echo "</a> <a href=\"forum_report_post.php?post=".$post->id."\">";
show_image(REPORT_POST_IMAGE, "Report this post as offensive", "Report as offensive", REPORT_POST_IMAGE_HEIGHT);
echo "</a></td> ";
}
if (($controls == FORUM_CONTROLS) && (can_reply($thread, $forum, $logged_in_user))) {
echo "<td align=right class=\"postfooter\">";
$url = "forum_reply.php?thread=" . $thread->id . "&post=" . $post->id . "#input";
show_button($url, "Reply", "Post a reply to this message");
echo "</td>";
} else {
echo "<td class=\"postfooter\"></td>";
}
echo "</tr>";
} else {
echo "</td></tr><tr><td class=\"postfooter\" colspan=\"2\">";
}
echo "<tr class=\"postseperator\"><td colspan=3></td></tr>";
}
// Show a post and its context (e.g. for search results, user posts)
//
function show_post_and_context($post, $thread, $forum, $options, $n) {
$thread = BoincThread::lookup_id($post->thread);
$forum = BoincForum::lookup_id($thread->forum);
$content = output_transform($post->content, $options);
$when = time_diff_str($post->timestamp, time());
$user = lookup_user_id($post->user);
$title = cleanup_title($thread->title);
$m = $n%2;
if ($post->hidden) {
$deleted = "<br><font color=red>[Hidden by a moderator]</font>";
} else {
$deleted = "";
}
echo "
<tr class=row$m>
<td>
$n)
";
switch ($forum->parent_type) {
case 0:
$category = BoincCategory::lookup_id($forum->category);
show_forum_title($category, $forum, $thread);
break;
case 1:
show_team_forum_title($forum);
break;
}
echo "
(<a href=\"forum_thread.php?id=".$thread->id."&amp;nowrap=true#".$post->id."\">Message ".$post->id."</a>)
<br>
Posted $when by ".user_links($user)." $deleted
<hr>
$content
</td></tr>
";
}
function is_banished($user) {
return ($user->prefs->banished_until > time());
}
function check_banished($user) {
if (is_banished($user)) {
error_page(
"You may not post or rate messages until ".gmdate('M j, Y', $user->prefs->banished_until)
);
}
}
function post_rules() {
if (function_exists("project_forum_post_rules")) {
$project_rules=project_forum_post_rules();
} else {
$project_rules="";
}
return "
<ul>
<li> Posts must be 'kid friendly': they may not contain
content that is obscene, hate-related,
sexually explicit or suggestive.
<li> No commercial advertisements.
<li> No links to web sites involving sexual content,
gambling, or intolerance of others.
<li> No messages intended to annoy or antagonize other people,
or to hijack a thread.
<li> No messages that are deliberately hostile or insulting.
<li> No abusive comments involving race, religion,
nationality, gender, class or sexuality.
".$project_rules."
</ul>
";
}
function post_warning() {
return "<br><br>
<table><tr><td align=left>
<font size=-2>
Rules:
".post_rules()."
<a href=moderation.php>More info</a>
</font>
</td></tr></table>
";
}
function notify_subscriber($thread, $user) {
BoincForumPrefs::lookup($user);
if ($user->prefs->pm_notification == 1) {
send_reply_notification_email($thread, $user);
}
$now = time();
$type = NOTIFY_SUBSCRIBED_POST;
BoincNotify::replace("userid=$user->id, create_time=$now, type=$type, opaque=$thread->id");
}
// Various functions for adding/hiding/unhiding stuff.
// These take care of counts and timestamps.
// Don't do these things directly - use these functions
//
function create_post($content, $parent_id, $user, $forum, $thread, $signature) {
$content = substr($content, 0, 64000);
$content = mysql_real_escape_string($content);
$now = time();
$sig = $signature?1:0;
$id = BoincPost::insert("(thread, user, timestamp, content, parent_post, signature) values ($thread->id, $user->id, $now, '$content', $parent_id, $sig)");
if (!$id) return null;
// notify subscribed users
//
$subs = BoincSubscription::enum("threadid=$thread->id");
foreach ($subs as $sub) {
if ($user->id == $sub->userid) continue;
$user2 = BoincUser::lookup_id($sub->userid);
notify_subscriber($thread, $user2);
}
$user->update("posts=posts+1");
$thread->update("replies=replies+1, timestamp=$now");
$forum->update("posts=posts+1, timestamp=$now");
}
function create_thread($title, $content, $user, $forum, $signature) {
$title = trim($title);
$title = strip_tags($title);
$title = mysql_real_escape_string($title);
$now = time();
$id = BoincThread::insert("(forum, owner, title, create_time, timestamp, replies) values ($forum->id, $user->id, '$title', $now, $now, -1)");
if (!$id) return null;
$thread = BoincThread::lookup_id($id);
create_post($content, 0, $user, $forum, $thread, $signature);
$forum->update("threads=threads+1");
return $thread;
}
function hide_post($post, $thread, $forum) {
$post->update("hidden=1");
$thread->update("replies=replies-1");
return $forum->update("posts=posts-1");
}
function unhide_post($post, $thread, $forum) {
$now = time();
$post->update("hidden=0");
$thread->update("replies=replies+1, timestamp=$now");
return $forum->update("posts=posts+1, timestamp=$now");
}
function delete_post($post, $thread, $forum) {
$post->delete();
$thread->update("replies=replies-1");
$forum->update("posts=posts-1");
$count = BoincPost::count("thread=$thread->id");
if ($count == 0) {
$forum->update("threads=threads-1");
$thread->delete();
}
}
function move_post($post, $old_thread, $old_forum, $new_thread, $new_forum) {
$now = time();
$post->update("thread=$new_thread->id");
$old_thread->update("replies=replies-1");
$new_thread->update("replies=replies+1, timestamp=$now");
$old_forum->update("posts=posts-1");
return $new_forum->update("posts=posts+1, timestamp=$now");
}
function hide_thread($thread, $forum) {
$thread->update("hidden=1");
$forum->update("threads=threads-1");
return $forum->update("posts=posts-$thread->replies-1");
}
function unhide_thread($thread, $forum) {
$now = time();
$thread->update("hidden=0");
return $forum->update("threads=threads+1, posts=posts+$thread->replies+1, timestamp=$now");
}
function move_thread($thread, $old_forum, $new_forum) {
$now = time();
$old_forum->update("threads=threads-1, posts=posts-$thread->replies-1");
$new_forum->update("threads=threads+1, posts=posts+$thread->replies+1, timestamp=$now");
return $thread->update("forum=$new_forum->id");
}
// $show_hidden: 1 if it is a moderator reading
// Error page if this function returns NULL.
// $forumID - int
// $min - int
// $nRec - int
// $sort_style - string (checked by switch statement)
// $show_hidden - bool (not directly passed to SQL)
// $sticky - bool (not directly passed to SQL)
//
function get_forum_threads(
$forumID, $start=-1, $nRec=-1, $sort_style=MODIFIED_NEW,
$show_hidden = 0, $sticky = 1
) {
//if (! (is_numeric($forumID) && is_numeric($min) && is_numeric($nRec))) {
// return NULL; // Something is wrong here.
//}
$sql = 'forum = ' . $forumID ;
if ($sticky){
$stickysql = "sticky DESC, ";
}
if (!$show_hidden) {
$sql .= ' AND hidden = 0';
}
switch($sort_style) {
case MODIFIED_NEW:
$sql .= ' ORDER BY '.$stickysql.'timestamp DESC';
break;
case MODIFIED_OLD:
$sql .= ' ORDER BY '.$stickysql.'timestamp ASC';
break;
case VIEWS_MOST:
$sql .= ' ORDER BY '.$stickysql.'views DESC';
break;
case REPLIES_MOST:
$sql .= ' ORDER BY '.$stickysql.'replies DESC';
break;
case CREATE_TIME_NEW:
$sql .= ' ORDER by '.$stickysql.'create_time desc';
break;
case CREATE_TIME_OLD:
$sql .= ' ORDER by '.$stickysql.'create_time asc';
break;
case 'sufferers':
$sql .= ' ORDER by '.$stickysql.'sufferers desc';
break;
case 'activity':
$sql .= ' ORDER by '.$stickysql.'activity desc';
break;
case 'score':
$sql .= ' ORDER by '.$stickysql.'score desc';
break;
default:
$sql .= ' ORDER BY '.$stickysql.'timestamp DESC';
break;
}
if ($start > -1) {
$sql .= ' LIMIT '.$start;
if ($nRec > -1) {
$sql .= ', '.$nRec;
}
} else if ($nRec > -1) {
$sql .= ' LIMIT '.$nRec;
}
return BoincThread::enum($sql);
}
// $show_hidden = true when it is a moderator reading
// error_page if this function returns NULL.
// $sort_style - string (checked by switch statement)
// $show_hidden - bool (not directly passed to SQL)
//
function get_thread_posts($threadid, $sort_style, $show_hidden) {
$sql = "thread=$threadid";
if (!$show_hidden) {
$sql .= ' AND hidden = 0';
}
switch($sort_style) {
case CREATE_TIME_NEW:
$sql .= ' ORDER BY timestamp desc';
break;
case CREATE_TIME_OLD:
$sql .= ' ORDER BY timestamp asc';
break;
case POST_SCORE:
$sql .= ' ORDER BY score DESC';
break;
default:
$sql .= ' ORDER BY timestamp asc';
break;
}
return BoincPost::enum($sql);
}
// Show the links for possible moderation actions related to a single post
//
function show_post_moderation_links(
$config, $logged_in_user, $post, $forum, $tokens
){
$moderators_allowed_to_ban = parse_bool($config, "moderators_allowed_to_ban");
$moderators_vote_to_ban = parse_bool($config, "moderators_vote_to_ban");
if ($post->hidden) {
show_button("forum_moderate_post_action.php?action=unhide&id=".$post->id."$tokens", "Unhide", "Unhide this post");
} else {
show_button("forum_moderate_post.php?action=hide&id=".$post->id."$tokens", "Hide", "Hide this post");
}
show_button(
"forum_moderate_post.php?action=move&id=".$post->id."$tokens",
"Move", "Move post to a different thread"
);
if ($forum->parent_type == 0) {
if ($logged_in_user->prefs->privilege(S_ADMIN) || ($logged_in_user->prefs->privilege(S_MODERATOR) && $moderators_allowed_to_ban)) {
show_button("forum_moderate_post.php?action=banish_user&id=".$post->id."&userid=".$post->user."$tokens", "Banish author", "Banish author");
}
if ($logged_in_user->prefs->privilege(S_MODERATOR) && $moderators_vote_to_ban) {
require_once("../inc/forum_banishment_vote.inc");
if (vote_is_in_progress($post->user)) {
show_button("forum_banishment_vote.php?action=yes&userid=".$post->user, "Vote to banish author", "Vote to banish author");
show_button("forum_banishment_vote.php?action=no&userid=".$post->user, "Vote not to banish author", "Vote not to banish author");
} else {
show_button("forum_banishment_vote.php?action=start&userid=".$post->user, "Start vote to banish author", "Start vote to banish author");
}
}
}
}
function check_create_thread_access($user, $forum) {
if ($forum->is_dev_blog){
if (
(!$user->prefs->privilege(S_SCIENTIST)) &&
(!$user->prefs->privilege(S_DEV)) &&
(!$user->prefs->privilege(S_ADMIN))
) {
error_page("This forum is marked as a development blog, only people directly working with the project may start a new thread here. <br/>However, you may post a reply to an existing thread.");
}
}
check_post_access($user, $forum);
}
function check_post_access($user, $forum) {
switch ($forum->parent_type) {
case 0:
if ($user->prefs->privilege(S_MODERATOR)) return;
break;
case 1:
$team = BoincTeam::lookup_id($forum->category);
if (is_team_admin($user, $team)) return;
// non-team-members can't post
//
if ($user->teamid != $team->id) {
error_page("Only team members can post to the team message board");
}
break;
}
// If user haven't got enough credit (according to forum regulations)
// We do not tell the (ab)user how much this is -
// no need to make it easy for them to break the system.
//
if ($user->total_credit<$forum->post_min_total_credit || $user->expavg_credit<$forum->post_min_expavg_credit) {
error_page(tra("In order to create a new thread in %1 you must have a certain amount of credit. This is to prevent and protect against abuse of the system.", $forum->title));
}
// If the user is posting faster than forum regulations allow
// Tell the user to wait a while before creating any more posts
//
if (time()-$user->prefs->last_post <$forum->post_min_interval) {
error_page(tra("You cannot create any more threads right now. Please wait a while before trying again. This delay has been enforced to protect against abuse of the system."));
}
}
function check_reply_access($user, $forum, $thread) {
if ($thread->locked && !is_moderator($user, $forum)) {
error_page(
"This thread is locked. Only forum moderators and administrators are allowed to post there."
);
}
if ($thread->hidden) {
error_page(
"Can't post to a hidden thread."
);
}
check_post_access($user, $forum);
}
function is_moderator($user, $forum) {
if (!$user) return false;
switch ($forum->parent_type) {
case 0:
if ($user->prefs->privilege(S_MODERATOR)) return true;
if ($user->prefs->privilege(S_ADMIN)) return true;
if ($user->prefs->privilege(S_DEV)) return true;
break;
case 1:
if ($user->prefs->privilege(S_ADMIN)) return true;
$team = BoincTeam::lookup_id($forum->category);
return is_team_admin($user, $team);
break;
}
return false;
}
function show_thread_and_context_header() {
start_forum_table(array(tra("Thread"), tra("Posts"), tra("Author"), tra("Views"), "<nobr>".tra("Last post")."</nobr>"));
}
// show a 1-line summary of thread and its forum.
// Used for search results and subscription list
//
function show_thread_and_context($thread, $user) {
$thread_forum = BoincForum::lookup_id($thread->forum);
if (!$thread_forum) return;
if (!is_forum_visible_to_user($thread_forum, $user)) return;
$owner = BoincUser::lookup_id($thread->owner);
echo "<tr><td>\n";
switch($thread_forum->parent_type) {
case 0:
$category = BoincCategory::lookup_id($thread_forum->category);
show_forum_title($category, $thread_forum, $thread, true);
break;
case 1:
show_team_forum_title($thread_forum, $thread);
break;
}
echo '
</td><td>'.($thread->replies+1).'</td>
<td align="left"><div class="authorcol">'.user_links($owner).'</div></td>
<td>'.$thread->views.'</td>
<td style="text-align:right">'.time_diff_str($thread->timestamp, time()).'</td>
</tr>
';
}
// see if thread is in subscription list
//
function is_subscribed($thread, $subs) {
foreach ($subs as $sub) {
if ($sub->threadid == $thread->id) return true;
}
return false;
}
function is_forum_visible_to_user($forum, $user) {
if ($forum->parent_type == 1) {
if (parse_config(get_config(), "<team_forums_members_only>")) {
if (!$user) return false;
if ($user->teamid != $forum->category) return false;
}
}
return true;
}
function subscribed_post_email_line($notify) {
$thread = BoincThread::lookup_id($notify->opaque);
return "There are new posts in the thread '$thread->title'";
}
function subscribed_post_web_line($notify) {
$thread = BoincThread::lookup_id($notify->opaque);
return "New posts in the thread <a href=forum_thread.php?id=$thread->id>$thread->title</a>";
}
function subscribe_rss($notify, &$title, &$msg, &$url) {
$thread = BoincThread::lookup_id($notify->opaque);
$title = "New posts in subscribed thread";
$msg = "There are new posts in the thread '$thread->title'";
$url = URL_BASE."forum_thread.php?id=$thread->id";
}
function show_mark_as_read_button($user) {
if ($user) {
$return = urlencode(current_url());
$tokens = url_tokens($user->authenticator);
$url = "forum_index.php?read=1$tokens&return=$return";
show_button($url, tra("Mark all threads as read"), tra("Mark all threads in all message boards as 'read'."));
}
}
?>