/**
* @param $itemId
* @return array|bool
*/
function get_entry($itemId)
{
global $prefs;
$arguments = array('content' => 'bib');
if (!empty($prefs['zotero_style'])) {
$arguments['style'] = $prefs['zotero_style'];
}
$oauthlib = TikiLib::lib('oauth');
$response = $oauthlib->do_request('zotero', array('url' => "https://api.zotero.org/groups/{$prefs['zotero_group_id']}/items/" . urlencode($itemId), 'get' => $arguments));
if ($response->isSuccessful()) {
$entry = $response->getBody();
$entry = str_replace('<entry ', '<feed xmlns="http://www.w3.org/2005/Atom"><entry ', $entry) . '</feed>';
$feed = Zend\Feed\Reader\Reader::importString($entry);
foreach ($feed as $entry) {
return array('key' => basename($entry->getLink()), 'url' => $entry->getLink(), 'title' => $entry->getTitle(), 'content' => $entry->getDescription());
}
}
return false;
}
/**
* Get user's feeds
* @param int User ID
* @param int Limit of posts per feed
* @return string HTML section with all feeds included
* @author Yannick Warnier
* @since Dokeos 1.8.6.1
*/
public static function get_user_feeds($user, $limit = 5)
{
$feed = UserManager::get_extra_user_data_by_field($user, 'rssfeeds');
if (empty($feed)) {
return '';
}
$feeds = explode(';', $feed['rssfeeds']);
if (count($feeds) == 0) {
return '';
}
$res = '';
foreach ($feeds as $url) {
if (empty($url)) {
continue;
}
$rss = Zend\Feed\Reader\Reader::import($url);
$i = 1;
if (!empty($rss)) {
$icon_rss = '';
if (!empty($feed)) {
$icon_rss = Display::url(Display::return_icon('rss.png', '', array(), 32), Security::remove_XSS($feed['rssfeeds']), array('target' => '_blank'));
}
$res .= '<h2>' . $rss->getTitle() . '' . $icon_rss . '</h2>';
$res .= '<div class="social-rss-channel-items">';
/** @var Zend\Feed\Reader\Extension\Atom\Entry $item */
foreach ($rss as $item) {
if ($limit >= 0 and $i > $limit) {
break;
}
$res .= '<h3><a href="' . $item->getTitle() . '">' . $item->getTitle() . '</a></h3>';
$res .= '<div class="social-rss-item-date">' . $item->getDateCreated()->format('Y-m-d') . '</div>';
$res .= '<div class="social-rss-item-content">' . $item->getDescription() . '</div><br />';
$i++;
}
$res .= '</div>';
}
}
return $res;
}
private function update_feed($rssId, $url, $actions)
{
global $tikilib;
$filter = new DeclFilter();
$filter->addStaticKeyFilters(array('url' => 'url', 'title' => 'striptags', 'author' => 'striptags', 'description' => 'striptags', 'content' => 'purifier'));
$guidFilter = TikiFilter::get('url');
try {
$content = $tikilib->httprequest($url);
$feed = Zend\Feed\Reader\Reader::importString($content);
} catch (Zend\Feed\Exception\ExceptionInterface $e) {
$this->modules->update(array('lastUpdated' => $tikilib->now, 'sitetitle' => 'N/A', 'siteurl' => '#'), array('rssId' => $rssId));
return;
}
$siteTitle = TikiFilter::get('striptags')->filter($feed->getTitle());
$siteUrl = TikiFilter::get('url')->filter($feed->getLink());
$this->modules->update(array('lastUpdated' => $tikilib->now, 'sitetitle' => $siteTitle, 'siteurl' => $siteUrl), array('rssId' => $rssId));
foreach ($feed as $entry) {
// TODO: optimize. Atom entries have an 'updated' element which can be used to only update updated entries
$guid = $guidFilter->filter($entry->getId());
$authors = $entry->getAuthors();
$categories = $entry->getCategories();
$data = $filter->filter(array('title' => $entry->getTitle(), 'url' => $entry->getLink(), 'description' => $entry->getDescription(), 'content' => $entry->getContent(), 'author' => $authors ? implode(', ', $authors->getValues()) : '', 'categories' => $categories ? json_encode($categories->getValues()) : json_encode(array())));
$data['guid'] = $guid;
if (method_exists($entry, 'getDateCreated') && ($createdDate = $entry->getDateCreated())) {
$data['publication_date'] = $createdDate->getTimestamp();
} else {
global $tikilib;
$data['publication_date'] = $tikilib->now;
}
$count = $this->items->fetchCount(array('rssId' => $rssId, 'guid' => $guid));
if (0 == $count) {
$this->insert_item($rssId, $data, $actions);
} else {
$this->update_item($rssId, $data['guid'], $data);
}
}
}
