/**
* search standard API
* @uses $DB
* @param reference $forum a forum instance
* @return an array of searchable documents
*/
function forum_get_content_for_index(&$forum)
{
global $DB;
$documents = array();
if (!$forum) {
return $documents;
}
$posts = forum_get_discussions_fast($forum->id);
mtrace("Found " . count($posts) . " discussions to analyse in forum " . $forum->name);
if (!$posts) {
return $documents;
}
$coursemodule = $DB->get_field('modules', 'id', array('name' => 'forum'));
$cm = $DB->get_record('course_modules', array('course' => $forum->course, 'module' => $coursemodule, 'instance' => $forum->id));
$context = get_context_instance(CONTEXT_MODULE, $cm->id);
foreach ($posts as $aPost) {
$aPost->itemtype = 'head';
if ($aPost) {
if (!empty($aPost->message)) {
echo "*";
$documents[] = new ForumSearchDocument(get_object_vars($aPost), $forum->id, $forum->course, 'head', $context->id);
}
if ($children = forum_get_child_posts_fast($aPost->id, $forum->id)) {
foreach ($children as $aChild) {
echo ".";
$aChild->itemtype = 'post';
if (strlen($aChild->message) > 0) {
$documents[] = new ForumSearchDocument(get_object_vars($aChild), $forum->id, $forum->course, 'post', $context->id);
}
}
}
}
}
mtrace("Finished discussion");
return $documents;
}
/**
* search standard API
* @param forum a forum instance
* @return an array of searchable documents
*/
function forum_get_content_for_index(&$forum)
{
$documents = array();
if (!$forum) {
return $documents;
}
$posts = forum_get_discussions_fast($forum->id);
if (!$posts) {
return $documents;
}
$coursemodule = get_field('modules', 'id', 'name', 'forum');
$cm = get_record('course_modules', 'course', $forum->course, 'module', $coursemodule, 'instance', $forum->id);
$context = get_context_instance(CONTEXT_MODULE, $cm->id);
foreach ($posts as $aPost) {
$aPost->itemtype = 'head';
if ($aPost) {
if (strlen($aPost->message) > 0) {
$documents[] = new ForumSearchDocument(get_object_vars($aPost), $forum->id, $forum->course, 'head', $context->id);
}
if ($children = forum_get_child_posts_fast($aPost->id, $forum->id)) {
foreach ($children as $aChild) {
$aChild->itemtype = 'post';
if (strlen($aChild->message) > 0) {
$documents[] = new ForumSearchDocument(get_object_vars($aChild), $forum->id, $forum->course, 'post', $context->id);
}
}
}
}
}
return $documents;
}
/**
* recursively calls forum_get_child_posts_fast()
* @return array of whole generation of descendants of a parent post.
*
*/
function forum_get_child_posts_fast_recurse($parent_id, $forum_id, $recursing = false)
{
$children = forum_get_child_posts_fast($parent_id, $forum_id);
// we have children to return, but
if (count($children) > 0) {
// first lets check if there are any children under them.
$foundchildren = array();
foreach ($children as $child) {
$subchildren = forum_get_child_posts_fast_recurse($child->id, $forum_id, true);
$foundchildren = array_merge($foundchildren, $subchildren);
}
// merge found children into their parents.
$allchildren = array_merge($children, $foundchildren);
return $allchildren;
} else {
return array();
}
}
