custom-post-types – Cómo crear una fuente RSS separada para cada tipo de publicación personalizada

Pregunta:

¿Cómo puedo crear una fuente RSS separada para cada tipo de publicación personalizada?

Lo busqué en la red y encontré sugerencias para hacer algo como esto:

http://www.yoursite.com/feed/?post_type=book

Probé lo anterior, ¡pero simplemente no funcionó! Solo me lleva de nuevo a la página de archivo de tipo de publicación personalizada …

¿Alguien sabe dónde me equivoqué o qué me estoy perdiendo ???

Para su información, utilicé el complemento de enlaces permanentes de publicaciones personalizadas para permitir enlaces permanentes específicos de tipo de publicación para páginas de archivo de tipo de publicación. No estoy seguro de si esto puede afectar el problema de la fuente RSS.

¡Salud!

Respuesta:

agregue la pequeña función de ejemplo:

    add_action( 'request', 'fb_add_to_feed' );

    // add to post-feed
    function fb_add_to_feed($request) {

        if ( isset($request['feed']) && !isset($request['post_type']) ) {
            $request['post_type'] = get_post_types( $args = array(
                'public'          => true,
                'capability_type' => 'post'
            ) );
        }

        return $request;
    }

Como alternativa, puede crear un feed propio solo para el tipo de publicación personalizada. Vea el siguiente ejemplo para un "Borrador de noticias" de borradores de publicaciones.

<?php
/*
Plugin Name: Drafts Feed
Plugin URI:  http://bueltge.de/wordpress-feed-fuer-entwuerfe/829/
Description: Add a new Feed for drafts: <code>/?feed=draft</code>
Version:     0.2
Author:      Frank Bültge
Author URI:  http://bueltge.de/
Licence:     GPL
Last Change: 17.06.2009 10:50:19
*/

//avoid direct calls to this file, because now WP core and framework has been used
if ( !function_exists('add_action') ) {
    header('Status: 403 Forbidden');
    header('HTTP/1.1 403 Forbidden');
    exit();
}

if ( function_exists('add_action') ) {
    //WordPress definitions
    if ( !defined('WP_CONTENT_URL') )
        define('WP_CONTENT_URL', get_option('siteurl') . '/wp-content');
    if ( !defined('WP_CONTENT_DIR') )
        define('WP_CONTENT_DIR', ABSPATH . 'wp-content');
    if ( !defined('WP_PLUGIN_URL') )
        define('WP_PLUGIN_URL', WP_CONTENT_URL.'/plugins');
    if ( !defined('WP_PLUGIN_DIR') )
        define('WP_PLUGIN_DIR', WP_CONTENT_DIR.'/plugins');
    if ( !defined('PLUGINDIR') )
        define( 'PLUGINDIR', 'wp-content/plugins' ); // Relative to ABSPATH.  For back compat.
    if ( !defined('WP_LANG_DIR') )
        define('WP_LANG_DIR', WP_CONTENT_DIR . '/languages');

    // plugin definitions
    define( 'FB_DF_BASENAME', plugin_basename(__FILE__) );
    define( 'FB_DF_BASEFOLDER', plugin_basename( dirname( __FILE__ ) ) );
    define( 'FB_DF_TEXTDOMAIN', 'draft_feed' );
}

if ( !class_exists('DraftFeed') ) {
    class DraftFeed {

        // constructor
        function DraftFeed() {

            add_action( 'init', array(&$this, 'add_draft_feed') );
            if ( is_admin() ) {
                add_action( 'wp_dashboard_setup', array(&$this, 'my_wp_dashboard_setup') );
                add_action( 'admin_head', array(&$this, 'add_my_css') );
                add_action( 'admin_init', array(&$this, 'textdomain') );
            }
        }

        function textdomain() {

            if ( function_exists('load_plugin_textdomain') ) {
                if ( !defined('WP_PLUGIN_DIR') ) {
                    load_plugin_textdomain( FB_DF_TEXTDOMAIN, str_replace( ABSPATH, '', dirname(__FILE__) ) . '/languages' );
                } else {
                    load_plugin_textdomain( FB_DF_TEXTDOMAIN, false, dirname( plugin_basename(__FILE__) ) . '/languages' );
                }
            }
        }

        function my_wp_dashboard_recent_drafts( $drafts = false, $view_content = false ) {
            if ( $drafts )
                return;

            $drafts_query = new WP_Query( array(
                                                                                    'post_type' => 'post',
                                                                                    'post_status' => 'draft',
                                                                                    'posts_per_page' => 5,
                                                                                    'orderby' => 'modified',
                                                                                    'order' => 'DESC'
                                                                                    ) );
            $drafts =& $drafts_query->posts;

            if ( $drafts && is_array( $drafts ) ) {
                $list = array();
                foreach ( $drafts as $draft ) {
                    $url = get_edit_post_link( $draft->ID );
                    $title = _draft_or_post_title( $draft->ID );
                    $user = get_userdata($draft->post_author);
                    $author = $user->display_name;
                    $item = '<a href="' . $url . '" title="' . sprintf( __( 'Edit “%s”', FB_DF_TEXTDOMAIN ), esc_attr( $title ) ) . '">' . $title . '</a> ' . __( 'by', FB_DF_TEXTDOMAIN ) . ' ' . stripslashes( apply_filters('comment_author', $author) ) . ' <abbr title="' . get_the_time(__('Y/m/d g:i:s A'), $draft) . '">' . get_the_time( get_option( 'date_format' ), $draft ) . '</abbr>';
                    $list[] = $item;
                }
        ?>
            <ul>
                <li><?php echo join( "</li>\n<li>", $list ); ?></li>
            </ul>
            <p class="textright"><a href="edit.php?post_status=draft" class="button"><?php _e('View all', FB_DF_TEXTDOMAIN); ?></a></p>
        <?php
            } else {
                _e( 'There are no drafts at the moment', FB_DF_TEXTDOMAIN );
            }
        }

        function my_wp_dashboard_setup() {

            wp_add_dashboard_widget( 'my_wp_dashboard_recent_drafts', __( 'Recents Drafts', FB_DF_TEXTDOMAIN ) . ' <small>' . __( 'of all authors', FB_DF_TEXTDOMAIN ) . '</small>', array(&$this, 'my_wp_dashboard_recent_drafts') );
        }

        function add_my_css() {

            $echo  = '';
            $echo .= "\n";
            $echo .= '<style type="text/css">'."\n";
            $echo .= '<!--'."\n";
            $echo .= '#my_wp_dashboard_recent_drafts abbr {' . "\n";
            $echo .= 'font-family: "Lucida Grande", Verdana, Arial, "Bitstream Vera Sans", sans-serif;' . "\n";;
            $echo .= 'font-size: 11px;' . "\n";
            $echo .= 'color: #999;' . "\n";
            $echo .= 'margin-left: 3px;' . "\n";
            $echo .= '}'."\n";
            $echo .= '-->'."\n";
            $echo .= '</style>'."\n";

            echo $echo;
        }

        // add feed via hook
        function add_draft_feed() {

            // set name for the feed
            // http://examble.com/?feed=draft
            add_feed( 'draft', array(&$this, 'get_draft_feed') );
        }

        // get feed
        function get_draft_feed() {
            global $wpdb;

            // draft or future
            $sql = "
                            SELECT ID, post_title, post_date, post_author, post_author, guid, post_excerpt, post_content
                            FROM $wpdb->posts
                            WHERE post_status = 'draft'
                            ORDER BY post_date_gmt DESC
                        ";
            $items = $wpdb->get_results($sql);

            if ( !headers_sent() )
                header('Content-Type: text/xml; charset=' . get_option('blog_charset'), true);
            $more = 1;
        ?>
        <?php echo '<?xml version="1.0" encoding="' . get_option('blog_charset') . '"?' . '>'; ?>

<rss version="2.0"
    xmlns:content="http://purl.org/rss/1.0/modules/content/"
    xmlns:wfw="http://wellformedweb.org/CommentAPI/"
    xmlns:dc="http://purl.org/dc/elements/1.1/"
    xmlns:atom="http://www.w3.org/2005/Atom"
    xmlns:sy="http://purl.org/rss/1.0/modules/syndication/"
    <?php do_action('rss2_ns'); ?>
>

<channel>
    <title><?php bloginfo_rss( 'name' ); wp_title_rss(); ?></title>
    <atom:link href="<?php self_link(); ?>" type="application/rss+xml" />
    <link><?php bloginfo_rss( 'url' ) ?></link>
    <description><?php bloginfo_rss( 'description' ) ?></description>
    <pubDate><?php echo mysql2date( 'D, d M Y H:i:s +0000', get_lastpostmodified('GMT'), false ); ?></pubDate>
    <generator>http://bueltge.de/</generator>
    <language><?php echo get_option( 'rss_language' ); ?></language>
    <sy:updatePeriod><?php echo apply_filters( 'rss_update_period', 'hourly' ); ?></sy:updatePeriod>
    <sy:updateFrequency><?php echo apply_filters( 'rss_update_frequency', '1' ); ?></sy:updateFrequency>
    <?php do_action('rss2_head'); ?>
    <?php
    if ( empty($items) ) {
        echo '<!-- No submissions found yet. //-->';
    } else {
        foreach ($items as $item) {
    ?>
        <item>
            <title><?php echo stripslashes( apply_filters( 'comment_author', $item->post_title ) ); ?></title>
            <link><?php echo stripslashes( apply_filters( 'comment_author_url', get_permalink($item->ID) ) ); ?></link>
            <pubDate><?php echo mysql2date( 'D, d M Y H:i:s +0000', $item->post_date ); ?></pubDate>
            <dc:creator><?php echo stripslashes( apply_filters('comment_author', $item->post_author) ); ?></dc:creator>

            <guid isPermaLink="false"><?php echo stripslashes( apply_filters('comment_author_url', $item->guid) ); ?></guid>
            <?php if ( $item->post_excerpt != '' ) { ?>
            <description><![CDATA[<?php echo trim(stripslashes( apply_filters('comment_text', $item->post_excerpt) ) ); ?>]]></description>
            <?php } else { ?>
            <description><![CDATA[<?php echo strip_tags( trim( stripslashes( apply_filters('comment_text', $item->post_content) ) ) ); ?>]]></description>
            <?php } ?>
            <content:encoded><![CDATA[<?php echo trim( stripslashes( apply_filters( 'comment_text', $item->post_content ) ) ); ?>]]></content:encoded>
            <?php do_action('rss2_item'); ?>
        </item>
    <?php
        }
    }
    ?>
    </channel>
</rss>
        <?php
        }

    } // end class

    $df_wp_injector = new DraftFeed();
} // end if class exists

// WP init and add ne function for feed
if ( isset($df_wp_injector) && function_exists( 'add_action' ) ) {
    add_action( 'DraftFeed',  array(&$df_wp_injector, 'init') );
}
?>

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