function validation($data, $files)
{
$errors = parent::validation($data, $files);
$rss = new moodle_simplepie();
// set timeout for longer than normal to try and grab the feed
$rss->set_timeout(10);
$rss->set_feed_url($data['url']);
$rss->set_autodiscovery_cache_duration(0);
$rss->set_autodiscovery_level(SIMPLEPIE_LOCATOR_NONE);
$rss->init();
if ($rss->error()) {
$errors['url'] = get_string('errorloadingfeed', 'block_rss_client', $rss->error());
} else {
$this->title = $rss->get_title();
$this->description = $rss->get_description();
}
return $errors;
}
public function definition_after_data()
{
global $CFG, $COURSE;
$mform =& $this->_form;
$name = trim($mform->getElementValue('name'));
$description = trim($mform->getElementValue('description'));
$url = $mform->getElementValue('url');
if (empty($name) || empty($description)) {
$rss = new moodle_simplepie($url);
if (empty($name) && $rss->get_title()) {
$mform->setDefault('name', $rss->get_title());
}
if (empty($description) && $rss->get_description()) {
$mform->setDefault('description', $rss->get_description());
}
}
if ($id = $mform->getElementValue('id')) {
$mform->setDefault('autotags', implode(',', tag_get_tags_array('blog_external', $id)));
$mform->freeze('url');
if ($mform->elementExists('filtertags')) {
$mform->freeze('filtertags');
}
// TODO change the filtertags element to a multiple select, using the tags of the external blog
// Use $rss->get_channel_tags()
}
}
$newexternal->filtertags = !empty($data->filtertags) ? $data->filtertags : null;
$newexternal->timemodified = time();
$newexternal->id = $DB->insert_record('blog_external', $newexternal);
core_tag_tag::set_item_tags('core', 'blog_external', $newexternal->id, context_user::instance($newexternal->userid), $data->autotags);
blog_sync_external_entries($newexternal);
// Log this action.
$eventparms = array('context' => $context, 'objectid' => $newexternal->id, 'other' => array('url' => $newexternal->url));
$event = \core\event\blog_external_added::create($eventparms);
$event->trigger();
break;
case 'edit':
if ($data->id && $DB->record_exists('blog_external', array('id' => $data->id))) {
$rss = new moodle_simplepie($data->url);
$external->id = $data->id;
$external->name = empty($data->name) ? $rss->get_title() : $data->name;
$external->description = empty($data->description) ? $rss->get_description() : $data->description;
$external->userid = $USER->id;
$external->url = $data->url;
$external->filtertags = !empty($data->filtertags) ? $data->filtertags : null;
$external->timemodified = time();
$DB->update_record('blog_external', $external);
// Log this action.
$eventparms = array('context' => $context, 'objectid' => $external->id, 'other' => array('url' => $external->url));
$event = \core\event\blog_external_updated::create($eventparms);
$event->trigger();
core_tag_tag::set_item_tags('core', 'blog_external', $external->id, context_user::instance($external->userid), $data->autotags);
} else {
print_error('wrongexternalid', 'blog');
}
break;
default:
