function doListAnnotations($url, $username, $block)
{
$query = new AnnotationSummaryQuery($url, $username, null, null);
if ($query->error) {
$this->httpError(400, 'Bad Request', 'Bad URL');
return null;
} elseif (isguest() && ANNOTATION_REQUIRE_USER) {
$this->httpError(403, 'Forbidden', 'Anonymous listing not allowed');
return null;
} else {
$querySql = $query->sql('section_type, section_name, quote_title');
$annotationSet = get_records_sql($querySql);
$annotations = array();
if ($annotationSet) {
$i = 0;
foreach ($annotationSet as $r) {
$annotations[$i++] = AnnotationGlobals::recordToAnnotation($r);
}
}
$format = $this->getQueryParam('format', 'atom');
$logUrl = 'annotate.php?format=' . $format . ($username ? '&user='******'') . '&url=' . $url;
add_to_log($query->handler->courseId, 'annotation', 'list', $logUrl);
return $annotations;
}
}
$possibleExcludeFields = array('quote', 'note', 'source', 'user', 'controls');
$nCols = 5 - count(array_intersect($excludeFields, $possibleExcludeFields));
$searchQuery = array_key_exists('q', $_GET) ? $_GET['q'] : null;
$searchUser = array_key_exists('u', $_GET) ? $_GET['u'] : null;
$searchOf = array_key_exists('search-of', $_GET) ? $_GET['search-of'] : null;
$query = new AnnotationSummaryQuery($summaryUrl, $searchUser, $searchOf, $searchQuery);
if ($query->error) {
header('HTTP/1.1 400 Bad Request');
echo '<h1>400 Bad Request</h1>' . htmlspecialchars($query->error);
} elseif (!MarginaliaHelper::isUrlSafe($summaryUrl)) {
header('HTTP/1.1 400 Bad Request');
echo '<h1>400 Bad Request</h1>Bad url parameter';
} else {
// Display individual annotations
// Dunno if the range sorting is working
$annotations = get_records_sql($query->sql('section_type, section_name, quote_title, start_block, start_word, start_char, end_block, end_word, end_char'));
$format = array_key_exists('format', $_GET) ? $_GET['format'] : 'html';
if ('atom' == $format) {
$annotationObjs = array();
foreach ($annotations as $annotationRec) {
$annotationObjs[] = AnnotationGlobals::recordToAnnotation($annotationRec);
}
MarginaliaHelper::generateAnnotationFeed($annotationObjs, AnnotationGlobals::getFeedTagUri(), MarginaliaHelper::getLastModified($annotationObjs, AnnotationGlobals::getInstallDate()), AnnotationGlobals::getServicePath(), AnnotationGlobals::getHost(), $query->getFeedUrl('atom'), $CFG->wwwroot);
} else {
// Get the course. This can't be passed as a GET parameter because this URL could be via the
// Atom feed, and the Atom feed is generated exclusively by annotation code which doesn't know
// that much about Moodle. So the handler has to query it based on a discussion ID or the like.
$course = null;
$courseId = $query->handler->courseId;
if (null != $courseId) {
if (!($course = get_record("course", "id", $courseId))) {
