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<?php |
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/** |
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* @package net.nehmer.blog |
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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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/** |
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* Blog Feed handler |
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* |
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* Prints the various supported feeds using the FeedCreator library. |
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* |
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* @package net.nehmer.blog |
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*/ |
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class net_nehmer_blog_handler_feed extends midcom_baseclasses_components_handler |
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{ |
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use net_nehmer_blog_handler; |
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/** |
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* The articles to display |
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* |
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* @var Array |
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*/ |
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private $_articles; |
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/** |
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* The feedcreator instance used. |
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* |
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* @var UniversalFeedCreator |
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*/ |
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private $_feed; |
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/** |
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* Shows the autoindex list. Nothing to do in the handle phase except setting last modified |
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* dates. |
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* |
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* @param mixed $handler_id The ID of the handler. |
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* @param array $args The argument list. |
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* @param array $data The local request data. |
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*/ |
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public function _handler_feed($handler_id, array $args, array &$data) |
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{ |
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midcom::get()->cache->content->content_type("text/xml; charset=UTF-8"); |
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midcom::get()->skip_page_style = true; |
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// Prepare control structures |
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$data['datamanager'] = new datamanager($data['schemadb']); |
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// Get the articles, |
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$qb = midcom_db_article::new_query_builder(); |
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$this->article_qb_constraints($qb); |
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$qb->add_order('metadata.published', 'DESC'); |
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if ($handler_id == 'feed-category-rss2') { |
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if (!in_array($args[0], $this->_request_data['categories'])) { |
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// This is not a predefined category from configuration, check if site maintainer allows us to show it |
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if (!$this->_config->get('categories_custom_enable')) { |
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throw new midcom_error('Custom category support is disabled'); |
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} |
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} |
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// TODO: Check for ".xml" suffix |
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$this->_request_data['category'] = trim(strip_tags($args[0])); |
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$this->apply_category_constraint($qb, $this->_request_data['category']); |
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} |
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$qb->set_limit($this->_config->get('rss_count')); |
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$this->_articles = $qb->execute(); |
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// Prepare the feed (this will also validate the handler_id) |
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$this->_create_feed($handler_id); |
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midcom::get()->metadata->set_request_metadata($this->get_last_modified(), $this->_topic->guid); |
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} |
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/** |
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* Creates the Feedcreator instance. |
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*/ |
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private function _create_feed($handler_id) |
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{ |
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$this->_feed = new UniversalFeedCreator(); |
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if ($this->_config->get('rss_title')) { |
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$this->_feed->title = $this->_config->get('rss_title'); |
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} else { |
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$this->_feed->title = $this->_topic->extra; |
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} |
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$this->_feed->description = $this->_config->get('rss_description'); |
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$this->_feed->language = $this->_config->get('rss_language'); |
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$this->_feed->editor = $this->_config->get('rss_webmaster'); |
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$this->_feed->link = midcom::get()->get_host_name() . midcom_core_context::get()->get_key(MIDCOM_CONTEXT_ANCHORPREFIX); |
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} |
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/** |
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* Displays the feed |
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* |
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* @param mixed $handler_id The ID of the handler. |
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* @param array $data The local request data. |
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*/ |
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public function _show_feed($handler_id, array &$data) |
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{ |
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$data['feedcreator'] = $this->_feed; |
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// Add each article now. |
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if ($this->_articles) { |
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foreach ($this->_articles as $article) { |
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$data['datamanager']->set_storage($article); |
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$data['article'] = $article; |
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midcom_show_style('feeds-item'); |
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} |
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} |
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switch ($handler_id) { |
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case 'feed-category-rss2': |
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$this->_feed->title = sprintf($this->_l10n->get('%s category %s'), $this->_feed->title, $data['category']); |
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$this->_feed->syndicationURL = "{$this->_feed->link}feeds/category/{$data['category']}"; |
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// Fall-through |
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case 'feed-rss2': |
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echo $this->_feed->createFeed('RSS2.0'); |
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break; |
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case 'feed-rss1': |
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$this->_feed->syndicationURL = $this->_feed->link . 'rss1.xml'; |
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echo $this->_feed->createFeed('RSS1.0'); |
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break; |
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case 'feed-rss091': |
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echo $this->_feed->createFeed('RSS0.91'); |
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break; |
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case 'feed-atom': |
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$this->_feed->syndicationURL = $this->_feed->link . 'atom.xml'; |
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echo $this->_feed->createFeed('ATOM'); |
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break; |
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} |
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} |
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/** |
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* Shows a simple available-feeds page. |
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*/ |
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public function _handler_index() |
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{ |
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$this->set_active_leaf(net_nehmer_blog_navigation::LEAFID_FEEDS); |
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midcom::get()->metadata->set_request_metadata($this->_topic->metadata->revised, $this->_topic->guid); |
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return $this->show('feeds'); |
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} |
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} |
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flack /
openpsa
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