/**
* Standard modular run function for snippet hooks. Generates XHTML to insert into a page using AJAX.
*
* @return tempcode The snippet
*/
function run()
{
if (get_option('is_on_comments') == '0') {
warn_exit(do_lang_tempcode('INTERNAL_ERROR'));
}
$serialized_options = get_param('serialized_options', false, true);
$hash = get_param('hash');
if (best_hash($serialized_options, get_site_salt()) != $hash) {
warn_exit(do_lang_tempcode('INTERNAL_ERROR'));
}
secure_serialized_data($serialized_options);
list($topic_id, $num_to_show_limit, $allow_comments, $invisible_if_no_comments, $forum, $reverse, $may_reply, $highlight_by_user, $allow_reviews) = unserialize($serialized_options);
$posts = array_map('intval', explode(',', get_param('ids', false, true)));
$_parent_id = get_param('id', '');
$parent_id = $_parent_id == '' ? mixed() : intval($_parent_id);
require_code('topics');
$renderer = new OCP_Topic();
return $renderer->render_posts_from_topic($topic_id, $num_to_show_limit, $allow_comments, $invisible_if_no_comments, $forum, NULL, $reverse, $may_reply, $highlight_by_user, $allow_reviews, $posts, $parent_id);
}
/**
* Render a topic.
*
* @param ?integer Number of posts to show initially (NULL: no limit)
* @param integer Maximum thread depth
* @param boolean Whether the current user may reply to the topic (influences what buttons show)
* @param ?MEMBER User to highlight the posts of (NULL: none)
* @param array Review ratings rows
* @param AUTO_LINK ID of forum this topic in in
* @param ?AUTO_LINK Only show posts under here (NULL: show posts from root)
* @param boolean Whether to just render everything as flat (used when doing AJAX post loading). NOT actually used since we wrote better post-orphaning-fixing code.
* @return array Tuple: Rendered topic, serialized options to render more posts, secure hash of serialized options to prevent tampering
*/
function render_posts($num_to_show_limit, $max_thread_depth, $may_reply, $highlight_by_user, $all_individual_review_ratings, $forum_id, $parent_post_id = NULL, $maybe_missing_links = false)
{
require_code('feedback');
if (get_forum_type() == 'ocf' && !addon_installed('ocf_forum')) {
return array();
}
$posts = array();
$queue = $this->all_posts_ordered;
if (!is_null($parent_post_id) && !$maybe_missing_links) {
$queue = $this->_grab_at_and_underneath($parent_post_id, $queue);
}
if (is_null($this->is_threaded)) {
$this->is_threaded = false;
}
if (is_null($num_to_show_limit) || !$this->is_threaded) {
$posts = $queue;
$queue = array();
} else {
$posts = $this->_decide_what_to_render($num_to_show_limit, $queue);
}
require_javascript('javascript_ajax');
require_javascript('javascript_more');
require_javascript('javascript_thumbnails');
// Precache member/group details in one fell swoop
if (get_forum_type() == 'ocf') {
require_code('ocf_topicview');
$members = array();
foreach ($posts as $_postdetails) {
$members[$_postdetails['p_poster']] = 1;
}
ocf_cache_member_details(array_keys($members));
}
if (!is_null($this->topic_id)) {
// If FALSE then Posts will have been passed in manually as full already anyway
$posts = $this->_grab_full_post_details($posts);
}
if ($this->is_threaded) {
$tree = $this->_arrange_posts_in_tree($parent_post_id, $posts, $queue, $max_thread_depth);
if (count($posts) != 0) {
global $M_SORT_KEY;
$M_SORT_KEY = 'date';
usort($posts, 'multi_sort');
while (count($posts) != 0) {
$orphaned_post = array_shift($posts);
$tree2 = $this->_arrange_posts_in_tree($orphaned_post['id'], $posts, $queue, $max_thread_depth);
$orphaned_post['parent_id'] = NULL;
$orphaned_post['children'] = $tree2;
$tree[0][] = $orphaned_post;
}
}
} else {
$tree = array($posts);
}
$ret = $this->_render_post_tree($num_to_show_limit, $tree, $may_reply, $highlight_by_user, $all_individual_review_ratings, $forum_id);
$other_ids = mixed();
if ($this->is_threaded) {
$other_ids = array();
foreach ($tree[1] as $u) {
$other_ids[] = strval($u['id']);
}
}
$ret->attach(do_template('POST_CHILD_LOAD_LINK', array('NUM_TO_SHOW_LIMIT' => strval($num_to_show_limit), 'OTHER_IDS' => $other_ids, 'ID' => '', 'CHILDREN' => count($other_ids) == 0 ? '' : '1')));
if (!is_null($this->topic_id)) {
$serialized_options = serialize(array($this->topic_id, $num_to_show_limit, true, false, strval($forum_id), $this->reverse, $may_reply, $highlight_by_user, count($all_individual_review_ratings) != 0));
$hash = best_hash($serialized_options, get_site_salt());
} else {
$serialized_options = mixed();
$hash = mixed();
}
return array($ret, $serialized_options, $hash);
}
/**
* Do an AJAX comment post
*/
function post_comment_script()
{
header("Cache-Control: no-cache, must-revalidate");
// HTTP/1.1
header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
// Date in the past
// Read in context of what we're doing
$options = post_param('options');
secure_serialized_data($options);
list($page_name, $content_id, $allow_comments, $submitter, $content_url, $content_title, $forum) = unserialize($options);
// Check security
$hash = post_param('hash');
if (best_hash($options, get_site_salt()) != $hash) {
header('Content-Type: text/plain; charset=' . get_charset());
exit;
}
// Post comment
actualise_post_comment($allow_comments >= 1, $page_name, $content_id, $content_url, $content_title, $forum);
// Get new comments state
$comment_details = get_comments($page_name, $allow_comments == 1, $content_id, false, $forum, NULL, NULL, false, false, $submitter, $allow_comments == 2);
// And output as text
header('Content-Type: text/plain; charset=' . get_charset());
$comment_details->evaluate_echo();
}
