boinc/html/forum/forum.inc

574 lines
19 KiB
PHP

<?php
require_once('../db.inc');
define('NO_CONTROLS', 0);
define('FORUM_CONTROLS', 1);
define('HELPDESK_CONTROLS', 2);
define ('SOLUTION', 'This answered my question');
define ('SUFFERER', 'I also have this question');
define ('OFF_TOPIC', 'Off-topic');
$forum_sort_styles['modified-new'] = "Most recent post first";
$forum_sort_styles['modified-old'] = "Least recent post first";
$forum_sort_styles['activity-most'] = "Most recent activity first";
$forum_sort_styles['views-most'] = "Most views first";
$forum_sort_styles['replies-most'] = "Most replies first";
$thread_sort_styles['date-old'] = "Oldest first";
$thread_sort_styles['date-new'] = "Newest first";
$thread_sort_styles['rating-high'] = "Highest rated first";
$thread_filter_styles['2'] = "\"Very helpful\"";
$thread_filter_styles['1'] = "At least \"helpful\"";
$thread_filter_styles['0'] = "At least \"neutral\"";
$thread_filter_styles['-1'] = "At least \"unhelpful\"";
$thread_filter_styles['-2'] = "All posts";
db_init('../');
class Category {
var $id;
var $name;
var $is_helpdesk;
function Category($id = -1, $name = '', $is_helpdesk = 0) {
$vars = get_class_vars('Category');
foreach ($vars as $var => $value)
$this->$var = $$var;
}
function getForums() {
$sql = 'SELECT * FROM forum WHERE category = '.$this->id.' ORDER BY orderID ASC';
return mysql_query($sql);
}
}
class Forum {
var $id;
var $category;
var $orderID;
var $title;
var $description;
var $timestamp;
var $threads;
var $posts;
var $is_helpdesk;
function Forum($id = -1, $category = -1, $orderID = -1, $title = '', $description = '', $timestamp = 0, $threads = 0, $posts = 0, $is_helpdesk = 0) {
$vars = get_class_vars('Forum');
foreach ($vars as $var => $value)
$this->$var = $$var;
}
// TODO: Make sure sorting still works properly when there are enough threads to span multiple pages.
function getThreads($min = -1, $nRec = -1, $sort_style='modified-new') {
$sql = 'SELECT * FROM thread WHERE forum = '.$this->id;
switch($sort_style) {
case 'modified-new':
$sql = $sql . ' ORDER BY timestamp DESC';
break;
case 'modified-old':
$sql = $sql . ' ORDER BY timestamp ASC';
break;
case 'views-most':
$sql = $sql . ' ORDER BY views DESC';
break;
case 'replies-most':
$sql = $sql . ' ORDER BY replies DESC';
break;
case 'activity-most':
$sql = $sql . ' ORDER by activity DESC, timestamp DESC';
break;
case 'help-activity-most':
$sql = $sql . ' ORDER by activity DESC, sufferers DESC';
break;
}
if ($min > -1) {
$sql .= ' LIMIT '.$min;
if ($nRec > -1)
$sql .= ', '.$nRec;
} elseif ($nRec > -1)
$sql .= ' LIMIT '.$nRec;
return mysql_query($sql);
}
}
class Thread {
var $id;
var $forum;
var $owner;
var $title;
var $timestamp;
var $views;
var $replies;
var $sufferers;
function Thread($id = -1, $forum = -1, $owner = -1, $title = '', $timestamp = 0, $views = 0, $replies = 0, $sufferers = 0) {
$vars = get_class_vars('Thread');
foreach ($vars as $var => $value)
$this->$var = $$var;
}
// TODO: Constant for the default sort style.
function getPosts($min = -1, $nRec = -1, $sort_style="date-old") {
$sql = 'SELECT *, (score * votes) AS rating FROM post WHERE thread = '.$this->id;
switch($sort_style) {
case 'date-old':
$sql = $sql . ' ORDER BY timestamp ASC';
break;
case 'date-new':
$sql = $sql . ' ORDER BY timestamp DESC';
break;
case 'score-high':
$sql = $sql . ' ORDER BY score DESC';
break;
case 'rating-high':
$sql = $sql . ' ORDER BY rating DESC';
break;
}
if ($min > -1) {
$sql .= ' LIMIT '.$min;
if ($nRec > -1)
$sql .= ', '.$nRec;
} elseif ($nRec > -1)
$sql .= ' LIMIT '.$nRec;
return mysql_query($sql);
}
function getRootPostsArray() {
$sql = 'SELECT * FROM post WHERE (thread = '.$this->id.') AND (parent_post IS NULL) ORDER BY id ASC';
$result = mysql_query($sql);
if (mysql_num_rows($result) == 0) return NULL;
while ($obj = mysql_fetch_object($result)) {
$posts[] = $obj;
}
return $posts;
}
// Returns an array containing all posts in this thread ordered hierarchically.;
function getOrderedPostArray() {
$rootPosts = $this->getRootPostsArray();
// Sort $rootPosts by date (most recent first);
foreach($rootPosts as $post) {
$childPosts = $post->getChildPostArray();
$orderedPosts = array_merge($orderedPosts, $childPosts);
}
return $orderedPosts;
}
function post($content) {
$title = addslashes(htmlentities($this->title));
$content = addslashes(htmlentities($content));
$sql = "INSERT INTO thread (forum, owner, title, timestamp) VALUES (".$this->forum.", ".$this->owner.", '".$title."', UNIX_TIMESTAMP())";
$result = mysql_query($sql);
if (!$result)
return false;
$this->id = mysql_insert_id();
$post = new Post();
$post->thread = $this->id;
$post->user = $this->owner;
$post->content = $content;
$postID = $post->insert();
$sql = "UPDATE user SET posts = posts + 1 WHERE id = ".$this->owner." LIMIT 1";
mysql_query($sql);
$sql = "UPDATE forum SET threads = threads + 1, posts = posts + 1, timestamp = UNIX_TIMESTAMP() WHERE id = ".$this->forum." LIMIT 1";
mysql_query($sql);
return $thread->id;
}
function reply($user = -1, $content = "", $parent_post=NULL) {
$content = addslashes(htmlentities($content));
$post = new Post();
$post->thread = $this->id;
$post->user = $user;
$post->content = $content;
$post->parent_post = $parent_post;
$postID = $post->insert();
$sql = "UPDATE user SET posts = posts + 1 WHERE id = ".$user." LIMIT 1";
mysql_query($sql);
$sql = "UPDATE thread SET replies = replies + 1, timestamp = UNIX_TIMESTAMP() WHERE id = ".$this->id." LIMIT 1";
mysql_query($sql);
$sql = "UPDATE forum SET posts = posts + 1, timestamp = UNIX_TIMESTAMP() WHERE id = ".$this->forum." LIMIT 1";
mysql_query($sql);
}
function incView() {
$sql = "UPDATE thread SET views = views + 1 WHERE id = ".$this->id." LIMIT 1";
mysql_query($sql);
}
}
class Post {
var $id;
var $thread;
var $parent_post;
var $user;
var $timestamp;
var $content;
var $modified;
var $votes;
var $score;
function Post($id = -1, $thread = -1, $user = -1, $timestamp = 0, $content = "", $modified=NULL, $parent_post=NULL, $votes=NULL, $score=NULL) {
$vars = get_class_vars('Post');
foreach ($vars as $var => $value)
$this->$var = $$var;
}
function insert() {
if ($this->parent_post) {
$sql = "INSERT INTO post (thread, user, timestamp, content, parent_post) VALUES (".$this->thread.", ".$this->user.", UNIX_TIMESTAMP(), '".$this->content."', ".$this->parent_post.")";
} else {
$sql = "INSERT INTO post (thread, user, timestamp, content) VALUES (".$this->thread.", ".$this->user.", UNIX_TIMESTAMP(), '".$this->content."')";
}
$result = mysql_query($sql);
if (!$result)
return false;
return ($this->id = mysql_insert_id());
}
function update($content) {
$sql = "UPDATE post SET content = \"$content\", modified = UNIX_TIMESTAMP() WHERE id = " . $this->id;
$result = mysql_query($sql);
if (!$result)
return false;
return true;
}
function getImmediateChildren() {
$sql = "SELECT * FROM post WHERE parent_post = " . $this->id . " ORDER BY timestamp DESC";
return mysql_query($sql);
}
function getChildPostArray() {
$sql = "SELECT * FROM post WHERE parent_id = ".$this->id;
$result = mysql_query($sql);
// Base case
if (mysql_num_rows($result) == 0) return array($this);
while ($obj = mysql_fetch_object($result)) {
$childPosts[] = $obj;
}
// Add ourselves to the array before our children
$sortedArray[] = $this;
// Sort $childPosts by date (most recent first);
foreach ($childPosts as $post) {
$childArray = $post->getChildPostArray();
$sortedArray = array_merge($sortedArray, $childArray);
}
return $sortedArray;
}
}
/* group database functions */
function getCategories() {
$langID = (!empty($_SESSION['lang']['id']))?$_SESSION['lang']['id']:1;
$sql = "SELECT * FROM category WHERE lang = ".$langID." AND is_helpdesk = 0 ORDER BY orderID ASC";
return mysql_query($sql);
}
function getHelpDeskCategories() {
$sql = "SELECT * FROM category WHERE is_helpdesk = 1 ORDER BY orderID ASC";
return mysql_query($sql);
}
function getForums($categoryID) {
$sql = 'SELECT * FROM forum WHERE category = ' . $categoryID . ' ORDER BY orderID ASC';
return mysql_query($sql);
}
function getNextCategory($result) {
$category = mysql_fetch_array($result);
if (!$category)
return false;
foreach ($category as $var => $value)
$category[$var] = stripslashes($value);
return new Category($category['id'], $category['name'], $category['is_helpdesk']);
}
function getNextForum($result) {
$forum = mysql_fetch_array($result);
if (!$forum)
return false;
foreach ($forum as $var => $value)
$forum[$var] = stripslashes($value);
return new Forum($forum['id'], $forum['category'], $forum['orderID'], $forum['title'], $forum['description'], $forum['timestamp'], $forum['threads'], $forum['posts'], $forum['is_helpdesk']);
}
function getNextThread($result) {
$thread = mysql_fetch_array($result);
if (!$thread)
return false;
foreach ($thread as $var => $value)
$thread[$var] = stripslashes($value);
return new Thread($thread['id'], $thread['forum'], $thread['owner'], $thread['title'], $thread['timestamp'], $thread['views'], $thread['replies'], $thread['sufferers']);
}
function getNextPost($result) {
$post = mysql_fetch_array($result);
if (!$post)
return false;
foreach ($post as $var => $value)
$post[$var] = stripslashes($value);
return new Post($post['id'], $post['thread'], $post['user'], $post['timestamp'], $post['content'], $post['modified'], $post['parent_post'], $post['votes'], $post['score']);
}
/* specific database functions */
function getCategory($categoryID) {
$sql = "SELECT * FROM category WHERE id = ".$categoryID;
return getNextCategory(mysql_query($sql));
}
function getForum($forumID) {
$sql = "SELECT * FROM forum WHERE id = ".$forumID;
return getNextForum(mysql_query($sql));
}
function getThread($threadID) {
$sql = "SELECT * FROM thread WHERE id = ".$threadID;
return getNextThread(mysql_query($sql));
}
function getPost($postID) {
$sql = "SELECT * FROM post WHERE id = ".$postID;
return getNextPost(mysql_query($sql));
}
// Returns the post that started the thread with id = $threadId
function getFirstPost($threadID) {
$sql = "SELECT * FROM post WHERE thread = " . $threadID ." ORDER BY id ASC";
$result = mysql_query($sql);
return mysql_fetch_object($result);
}
/* display functions */
function show_posts($thread, $sort_style, $filter, $show_controls=true, $do_coloring=true, $is_helpdesk=false) {
global $logged_in_user;
$n = 0;
if ($show_controls && !$is_helpdesk) {
$controls = FORUM_CONTROLS;
} else if ($show_controls && $is_helpdesk) {
$controls = HELPDESK_CONTROLS;
} else {
$controls = NO_CONTROLS;
}
$posts = $thread->getPosts(-1, -1, $sort_style);
$firstPost = getFirstPost($thread->id);
if ($is_helpdesk) {
if ($firstPost) {
show_post($firstPost, $thread, $logged_in_user, $n, $controls, true);
}
}
while ($post = getNextPost($posts)) {
if ($post->score >= $filter) {
if (!$is_helpdesk || ($is_helpdesk && $post->id != $firstPost->id)) {
show_post($post, $thread, $logged_in_user, $n, $controls, false);
if ($do_coloring) $n = ($n+1)%2;
}
}
}
}
function show_post($post, $thread, $logged_in_user, $n, $controls=FORUM_CONTROLS, $separate=false) {
$user = lookup_user_id($post->user);
$sql = "SELECT * FROM profile WHERE userid = " . $user->id;
$result2 = mysql_query($sql);
$user->has_profile = (mysql_num_rows($result2) > 0);
$can_edit = $logged_in_user && $user->id == $logged_in_user->id;
echo "
<tr class=\"row$n\" style=\"vertical-align:top\">
<td>
<a name= $post->id ></a>
<p style=\"font-weight:bold\">
";
if ($user->has_profile) {
echo "<a href=\"../view_profile.php?userid=$post->user\">", $user->name, "</a>";
} else {
echo $user->name;
}
echo "
</p>
<p style=\"font-size:8pt\">
Joined: ", date('M j, Y', $user->create_time), "<br>Posts: ", $user->posts, "
</p>
</td>
<td>
";
if ($controls == FORUM_CONTROLS || $controls == HELPDESK_CONTROLS) {
echo "<form action=\"rate.php?post=", $post->id, "\" method=\"post\">";
}
echo "
<table width=100% cellspacing=0 cellpadding=0>
<tr valign=\"top\">
<td align=\"left\" style=\"border:0px\"><p style=\"font-size:8pt\">
Posted: ", date('D M j, Y g:i a', $post->timestamp);
if ($post->parent_post) echo " in response to <a href=#$post->parent_post>Message ID $post->parent_post</a>.";
if ($can_edit && $controls != NO_CONTROLS) echo "&nbsp;<a href=\"edit.php?id=$post->id\">[Edit this post]</a>";
if ($post->modified) echo "<br>Last Modified: ", date('D M j, Y g:i a', $post->modified);
echo "
</p>
</td>
";
if ($controls == FORUM_CONTROLS) {
echo "
<td align=\"right\" style=\"border:0px\">Rate this post:
<select name=\"rating\">
<option value=\"2\">Very helpful (+2)</option>
<option value=\"1\">Helpful (+1)</option>
<option selected value=\"0\">Neutral</option>
<option value=\"-1\">Unhelpful (-1)</option>
<option value=\"-2\">Off topic (-2)</option>
</select>
<input type=\"submit\" value=\"Rate\">
</td>
";
} else if ($controls == HELPDESK_CONTROLS && $separate) {
echo "
<td align=\"right\" style=\"border:0px\">
<input type=\"submit\" name=\"submit\" value=\"", SUFFERER, "\">
</td>
";
} else if ($controls == HELPDESK_CONTROLS && !$separate) {
echo "
<td align=\"right\" style=\"border:0px\">
<input type=\"submit\" name=\"submit\" value=\"", SOLUTION, "\">
<input type=\"submit\" name=\"submit\" value=\"", OFF_TOPIC, "\">
</td>
";
}
echo "
</tr></table>";
if ($controls == FORUM_CONTROLS || $controls == HELPDESK_CONTROLS) {
echo "</form>";
}
echo "<p>", nl2br(stripslashes($post->content)), "</p>";
echo "<table width=100% cellspacing=0 cellpadding=0>
<tr valign=\"bottom\">
<td align=\"left\" style=\"border:0px; font-size:7pt\"><i>ID: ", $post->id;
if ($controls == HELPDESK_CONTROLS && $separate) {
echo "</i></td>";
} else if ($controls == HELPDESK_CONTROLS && !$separate) {
echo " / Score: ", ($post->score * $post->votes), "</i></td>";
} else {
echo " / Rating: ", $post->score, "</i></td>";
}
if ($controls == FORUM_CONTROLS) {
echo "<td align=\"right\" style=\"border:0px\">[<a href=\"reply.php?thread=" . $thread->id . "&post=" . $post->id . "#input\">Reply to this post</a>]</td>";
} else if ($controls == HELPDESK_CONTROLS && !$separate) {
echo "<td align=\"right\" style=\"border:0px\">[<a href=\"reply.php?thread=" . $thread->id . "&post=" . $post->id . "&helpdesk=1#input\">Reply to this answer</a>]</td>";
}
echo "</tr></table></td></tr>";
if ($separate) {
echo "
</table>
<br><br>
<table class=\"content\" border=\"0\" cellpadding=\"5\" cellspacing=\"0\" width=\"100%\">
<tr>
<th style=\"width: 150px\">Author</th>
<th>Answers</th>
";
}
}
function start_forum_table($headings, $widths, $span=NULL) {
echo "
<p style=\"text-align:center\">
<table class=\"content\" border=0 cellpadding=5 cellspacing=0 width=100%>
<tr>
";
for ($i = 0; $i < count($headings); $i++) {
$cell = "<th";
if ($span) {
$cell = $cell . " colspan=$span";
}
if ($widths[$i]) {
$cell = $cell . " style=\"width: " . $widths[$i] . "px\">";
} else {
$cell = $cell . ">";
}
echo $cell, $headings[$i], "</th>\n";
}
echo "</tr>\n";
}
function end_forum_table() {
echo "</table></p>\n";
}
function show_combo_from_array($name, $array, $selection) {
echo "<select name=\"$name\">";
foreach ($array as $key => $value) {
echo "<option ";
if ($key == $selection) {
echo "selected ";
}
echo "value=\"", $key, "\">", $value, "</option>";
}
echo "</select>";
}
function show_forum_title($forum=NULL, $thread=NULL, $helpdesk=false) {
echo "<p>\n";
if (!$forum && !$thread) {
echo "<p class=\"title\">", PROJECT;
if ($helpdesk) {
echo " Help Desk</p>";
} else {
echo " Forum</p>";
}
} else if ($forum && !$thread) {
echo "<span class=\"title\">", $forum->title, "</span><br>";
if ($helpdesk) {
echo "<a href=\"help_desk.php\">", PROJECT, " Help Desk</a>";
} else {
echo "<a href=\"index.php\">", PROJECT, " Forum</a>";
}
} else if ($forum && $thread) {
echo "<span class=\"title\">", $thread->title, "</span><br>";
if ($helpdesk) {
echo "<a href=\"help_desk.php\">", PROJECT, " Help Desk</a> -> <a href=\"forum.php?id=", $forum->id, "\">", $forum->title, "</a>";
} else {
echo "<a href=\"index.php\">", PROJECT, " Forum</a> -> <a href=\"forum.php?id=", $forum->id, "\">", $forum->title, "</a>";
}
} else {
echo "Invalid input to show_forum_title<br>";
}
echo "</p>\n";
}
?>