/htdocs/wp-content/plugins/nextgen-gallery/lib/media-rss.php
PHP | 246 lines | 133 code | 41 blank | 72 comment | 17 complexity | 4b1a52f584d68a03ae01fbd6b2584ad4 MD5 | raw file
Possible License(s): GPL-2.0
- <?php
- /**
- * Class to produce Media RSS nodes
- *
- * @author Vincent Prat
- * @copyright Copyright 2008-2011
- */
- class nggMediaRss {
-
- /**
- * Function called by the wp_head action to output the RSS link for medias
- */
- function add_mrss_alternate_link() {
- echo "<link id='MediaRSS' rel='alternate' type='application/rss+xml' title='NextGEN Gallery RSS Feed' href='" . nggMediaRss::get_mrss_url() . "' />\n";
- }
-
- /**
- * Add the javascript required to enable PicLens/CoolIris support
- */
- function add_piclens_javascript() {
- if (is_ssl())
- wp_enqueue_script( 'piclens', 'https://lite.piclens.com/current/piclens_optimized.js', array(), false, true);
- else
- wp_enqueue_script( 'piclens', 'http://lite.piclens.com/current/piclens_optimized.js', array(), false, true);
- }
-
- /**
- * Get the URL of the general media RSS
- */
- function get_mrss_url() {
- return NGGALLERY_URLPATH . 'xml/media-rss.php';
- }
-
- /**
- * Get the URL of a gallery media RSS
- */
- function get_gallery_mrss_url($gid, $prev_next = false) {
- return nggMediaRss::get_mrss_url() . '?' . ('gid=' . $gid . ($prev_next ? '&prev_next=true' : '') . '&mode=gallery');
- }
-
- /**
- * Get the URL of an album media RSS
- */
- function get_album_mrss_url($aid) {
- return nggMediaRss::get_mrss_url() . '?' . ('aid=' . $aid . '&mode=album');
- }
-
- /**
- * Get the URL of the media RSS for last pictures
- */
- function get_last_pictures_mrss_url($page = 0, $show = 30) {
- return nggMediaRss::get_mrss_url() . '?' . ('show=' . $show . '&page=' . $page . '&mode=last_pictures');
- }
-
- /**
- * Get the XML <rss> node corresponding to the last pictures registered
- *
- * @param page The current page (defaults to 0)
- * @param show The number of pictures to include in one field (default 30)
- */
- function get_last_pictures_mrss($page = 0, $show = 30) {
- $images = nggdb::find_last_images($page, $show);
-
- $title = stripslashes(get_option('blogname'));
- $description = stripslashes(get_option('blogdescription'));
- $link = site_url();
- $prev_link = ($page > 0) ? nggMediaRss::get_last_pictures_mrss_url($page-1, $show) : '';
- $next_link = count($images)!=0 ? nggMediaRss::get_last_pictures_mrss_url($page+1, $show) : '';
-
- return nggMediaRss::get_mrss_root_node($title, $description, $link, $prev_link, $next_link, $images);
- }
-
- /**
- * Get the XML <rss> node corresponding to a gallery
- *
- * @param $gallery (object) The gallery to include in RSS
- * @param $prev_gallery (object) The previous gallery to link in RSS (null if none)
- * @param $next_gallery (object) The next gallery to link in RSS (null if none)
- */
- function get_gallery_mrss($gallery, $prev_gallery = null, $next_gallery = null) {
-
- $ngg_options = nggGallery::get_option('ngg_options');
- //Set sort order value, if not used (upgrade issue)
- $ngg_options['galSort'] = ($ngg_options['galSort']) ? $ngg_options['galSort'] : 'pid';
- $ngg_options['galSortDir'] = ($ngg_options['galSortDir'] == 'DESC') ? 'DESC' : 'ASC';
-
- $title = stripslashes(nggGallery::i18n($gallery->title));
- $description = stripslashes(nggGallery::i18n($gallery->galdesc));
- $link = nggMediaRss::get_permalink($gallery->pageid);
- $prev_link = ( $prev_gallery != null) ? nggMediaRss::get_gallery_mrss_url($prev_gallery->gid, true) : '';
- $next_link = ( $next_gallery != null) ? nggMediaRss::get_gallery_mrss_url($next_gallery->gid, true) : '';
- $images = nggdb::get_gallery($gallery->gid, $ngg_options['galSort'], $ngg_options['galSortDir']);
- return nggMediaRss::get_mrss_root_node($title, $description, $link, $prev_link, $next_link, $images);
- }
-
- /**
- * Get the XML <rss> node corresponding to an album
- *
- * @param $album The album to include in RSS
- */
- function get_album_mrss($album) {
- $title = stripslashes(nggGallery::i18n($album->name));
- $description = '';
- $link = nggMediaRss::get_permalink(0);
- $prev_link = '';
- $next_link = '';
- $images = nggdb::find_images_in_album($album->id);
-
- return nggMediaRss::get_mrss_root_node($title, $description, $link, $prev_link, $next_link, $images);
- }
-
- /**
- * Get the XML <rss> node
- */
- function get_mrss_root_node($title, $description, $link, $prev_link, $next_link, $images) {
-
- if ($prev_link != '' || $next_link != '')
- $out = "<rss version='2.0' xmlns:media='http://search.yahoo.com/mrss/' xmlns:atom='http://www.w3.org/2005/Atom'>\n" ;
- else
- $out = "<rss version='2.0' xmlns:media='http://search.yahoo.com/mrss/'>\n";
-
- $out .= "\t<channel>\n";
-
- $out .= nggMediaRss::get_generator_mrss_node();
- $out .= nggMediaRss::get_title_mrss_node($title);
- $out .= nggMediaRss::get_description_mrss_node($description);
- $out .= nggMediaRss::get_link_mrss_node($link);
-
- if ($prev_link != '' || $next_link != '')
- $out .= nggMediaRss::get_self_node(nggMediaRss::get_mrss_url());
- if ($prev_link!='') {
- $out .= nggMediaRss::get_previous_link_mrss_node($prev_link);
- }
- if ($next_link!='') {
- $out .= nggMediaRss::get_next_link_mrss_node($next_link);
- }
-
- foreach ($images as $image) {
- $out .= nggMediaRss::get_image_mrss_node($image);
- }
-
- $out .= "\t</channel>\n";
- $out .= "</rss>\n";
-
- return $out;
- }
-
- /**
- * Get the XML <generator> node
- */
- function get_generator_mrss_node($indent = "\t\t") {
- return $indent . "<generator><![CDATA[NextGEN Gallery [http://nextgen-gallery.com]]]></generator>\n";
- }
-
- /**
- * Get the XML <title> node
- */
- function get_title_mrss_node($title, $indent = "\t\t") {
- return $indent . "<title>" . $title . "</title>\n";
- }
-
- /**
- * Get the XML <description> node
- */
- function get_description_mrss_node($description, $indent = "\t\t") {
- return $indent . "<description>" . $description . "</description>\n";
- }
-
- /**
- * Get the XML <link> node
- */
- function get_link_mrss_node($link, $indent = "\t\t") {
- return $indent . "<link><![CDATA[" . htmlspecialchars($link) . "]]></link>\n";
- }
- /**
- * Get the XML <atom:link self> node
- */
- function get_self_node($link, $indent = "\t\t") {
- return $indent . "<atom:link rel='self' href='" . htmlspecialchars($link) . "' type='application/rss+xml' />\n";
- }
-
- /**
- * Get the XML <atom:link previous> node
- */
- function get_previous_link_mrss_node($link, $indent = "\t\t") {
- return $indent . "<atom:link rel='previous' href='" . htmlspecialchars($link) . "' />\n";
- }
-
- /**
- * Get the XML <atom:link next> node
- */
- function get_next_link_mrss_node($link, $indent = "\t\t") {
- return $indent . "<atom:link rel='next' href='" . htmlspecialchars($link) . "' />\n";
- }
-
- /**
- * Get the XML <item> node corresponding to one single image
- *
- * @param $image The image object
- */
- function get_image_mrss_node($image, $indent = "\t\t" ) {
- $ngg_options = nggGallery::get_option('ngg_options');
-
- $tags = $image->get_tags();
- $tag_names = '';
- foreach ($tags as $tag) {
- $tag_names .= ($tag_names=='' ? $tag->name : ', ' . $tag->name);
- }
-
- $title = html_entity_decode(stripslashes($image->alttext));
- $desc = html_entity_decode(stripslashes($image->description));
-
- $thumbwidth = $ngg_options['thumbwidth'];
- $thumbheight = ($ngg_options['thumbfix'] ? $ngg_options['thumbheight'] : $thumbwidth);
-
- $out = $indent . "<item>\n";
- $out .= $indent . "\t<title><![CDATA[" . nggGallery::i18n($title, 'pic_' . $image->pid . '_alttext') . "]]></title>\n";
- $out .= $indent . "\t<description><![CDATA[" . nggGallery::i18n($desc, 'pic_' . $image->pid . '_description') . "]]></description>\n";
- $out .= $indent . "\t<link><![CDATA[" . $image->get_permalink() . "]]></link>\n";
- $out .= $indent . "\t<guid>image-id:" . $image->pid . "</guid>\n";
- $out .= $indent . "\t<media:content url='" . esc_url($image->imageURL) . "' medium='image' />\n";
- $out .= $indent . "\t<media:title><![CDATA[" . nggGallery::i18n($title, 'pic_' . $image->pid . '_alttext') . "]]></media:title>\n";
- $out .= $indent . "\t<media:description><![CDATA[" . nggGallery::i18n($desc, 'pic_' . $image->pid . '_description') . "]]></media:description>\n";
- $out .= $indent . "\t<media:thumbnail url='" . esc_url($image->thumbURL) . "' width='" . $thumbwidth . "' height='" . $thumbheight . "' />\n";
- $out .= $indent . "\t<media:keywords><![CDATA[" . nggGallery::i18n($tag_names) . "]]></media:keywords>\n";
- $out .= $indent . "\t<media:copyright><![CDATA[Copyright (c) " . get_option("blogname") . " (" . site_url() . ")]]></media:copyright>\n";
- $out .= $indent . "</item>\n";
- return $out;
- }
-
- function get_permalink($page_id) {
- if ($page_id == 0)
- $permalink = site_url();
- else
- $permalink = get_permalink($page_id);
-
- return $permalink;
- }
-
- }
- ?>