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<?php |
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/** |
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* @package net.nemein.rss |
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* @author The Midgard Project, http://www.midgard-project.org |
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* @copyright The Midgard Project, http://www.midgard-project.org |
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* @license http://www.gnu.org/licenses/lgpl.html GNU Lesser General Public License |
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*/ |
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use midcom\datamanager\datamanager; |
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use Symfony\Component\HttpFoundation\Request; |
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/** |
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* Feed management class. |
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* |
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* @package net.nemein.rss |
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*/ |
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class net_nemein_rss_handler_admin extends midcom_baseclasses_components_handler |
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{ |
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private function _load_controller(array &$data) |
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{ |
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$data['controller'] = datamanager::from_schemadb($this->_config->get('schemadb_feed')) |
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->set_storage($data['feed']) |
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->get_controller(); |
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} |
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private function _subscribe_feed(string $feed_url, string $feed_title = null) : bool |
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{ |
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// Try to fetch the new feed |
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$rss = net_nemein_rss_fetch::raw_fetch($feed_url); |
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// TODO: display error on invalid feed |
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if (!$feed_title) { |
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// If we didn't get the channel title preset |
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$feed_title = ''; |
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if ($rss->get_title()) { |
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$feed_title = $rss->get_title(); |
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} |
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} |
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// Find out if the URL is already subscribed, and update it in that case |
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$qb = net_nemein_rss_feed_dba::new_query_builder(); |
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$qb->add_constraint('node', '=', $this->_topic->id); |
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$qb->add_constraint('url', '=', $feed_url); |
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$feeds = $qb->execute(); |
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if (empty($feeds)) { |
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$feed = new net_nemein_rss_feed_dba(); |
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$feed->node = $this->_topic->id; |
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$feed->url = $feed_url; |
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$feed->title = $feed_title; |
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return $feed->create(); |
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} |
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// If we're updating existing feed |
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$feed = $feeds[0]; |
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$feed->title = $feed_title; |
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return $feed->update(); |
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} |
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public function _handler_subscribe(Request $request, string $handler_id, array &$data) |
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{ |
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$this->_topic->require_do('midgard:create'); |
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// Single feed addition |
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$post = $request->request->get('net_nemein_rss_manage_newfeed'); |
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if (!empty($post['url'])) { |
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$this->_subscribe_feed($post['url']); |
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// TODO: display error messages |
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// TODO: redirect user to edit page if creation succeeded |
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return new midcom_response_relocate($this->router->generate('feeds_list')); |
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} |
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// OPML subscription list import support |
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if ( array_key_exists('net_nemein_rss_manage_opml', $_FILES) |
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&& is_uploaded_file($_FILES['net_nemein_rss_manage_opml']['tmp_name'])) { |
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$opml_file = $_FILES['net_nemein_rss_manage_opml']['tmp_name']; |
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// We have OPML file, parse it |
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$opml_data = file_get_contents($opml_file); |
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unlink($opml_file); |
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$opml_parser = xml_parser_create(); |
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xml_parse_into_struct($opml_parser, $opml_data, $opml_values); |
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foreach ($opml_values as $opml_element) { |
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if ($opml_element['tag'] === 'OUTLINE') { |
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// Subscribe to found channels |
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if (isset($opml_element['attributes']['TITLE'])) { |
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$this->_subscribe_feed($opml_element['attributes']['XMLURL'], $opml_element['attributes']['TITLE']); |
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} else { |
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$this->_subscribe_feed($opml_element['attributes']['XMLURL']); |
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} |
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} |
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} |
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xml_parser_free($opml_parser); |
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return new midcom_response_relocate($this->router->generate('feeds_list')); |
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} |
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$this->_update_breadcrumb_line($handler_id); |
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return $this->show('net-nemein-rss-feeds-subscribe'); |
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} |
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public function _handler_edit(Request $request, string $handler_id, string $guid, array &$data) |
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{ |
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$data['feed'] = new net_nemein_rss_feed_dba($guid); |
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$data['feed']->require_do('midgard:update'); |
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$this->_load_controller($data); |
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switch ($data['controller']->handle($request)) { |
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case 'save': |
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// TODO: Fetch the feed here? |
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// *** FALL-THROUGH *** |
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case 'cancel': |
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return new midcom_response_relocate($this->router->generate('feeds_list')); |
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} |
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midcom::get()->metadata->set_request_metadata($data['feed']->metadata->revised, $data['feed']->guid); |
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$this->bind_view_to_object($data['feed']); |
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$this->_update_breadcrumb_line($handler_id); |
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return $this->show('net-nemein-rss-feed-edit'); |
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} |
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/** |
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* Displays a delete confirmation view. |
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*/ |
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public function _handler_delete(Request $request, string $guid) |
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{ |
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$feed = new net_nemein_rss_feed_dba($guid); |
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$workflow = $this->get_workflow('delete', [ |
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'object' => $feed, |
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'success_url' => $this->router->generate('feeds_list') |
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]); |
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return $workflow->run($request); |
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} |
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/** |
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* Update the context so that we get a complete breadcrumb line towards the current location. |
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*/ |
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private function _update_breadcrumb_line(string $handler_id) |
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{ |
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$this->add_breadcrumb($this->router->generate('feeds_list'), $this->_l10n->get('manage feeds')); |
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if ($handler_id == 'feeds_subscribe') { |
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$this->add_breadcrumb($this->router->generate('feeds_subscribe'), $this->_l10n->get('subscribe feeds')); |
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} elseif ($handler_id == 'feeds_edit') { |
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$this->add_breadcrumb($this->router->generate('feeds_edit', ['guid' => $this->_request_data['feed']->guid]), $this->_l10n_midcom->get('edit')); |
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} |
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net_nemein_rss_manage::add_toolbar_buttons($this->_node_toolbar); |
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} |
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} |
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flack /
openpsa
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