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<?php
// add the itunes namespace to the RSS opening element
function imic_podcast_add_namespace() {
echo 'xmlns:itunes="http://www.itunes.com/dtds/podcast-1.0.dtd"';
}
// Pre-hook for adding podcast data to the XML file.
add_action( 'pre_get_posts', 'imic_podcast_add_hooks', 9999 );
// Create custom RSS feed for sermon podcasting
add_action( 'do_feed_podcast', 'imic_sermon_podcast_feed', 10, 1 );
// Custom rewrite for podcast feed
function imic_sermon_podcast_feed_rewrite($wp_rewrite) {
$feed_rules = array(
'feed/(.+)' => 'index.php?feed=' . $wp_rewrite->preg_index(1),
'(.+).xml' => 'index.php?feed='. $wp_rewrite->preg_index(1)
);
$wp_rewrite->rules = $feed_rules + $wp_rewrite->rules;
}
//add_filter('generate_rewrite_rules', 'imic_sermon_podcast_feed_rewrite');
// Add podcast data to the WordPress default XML feed
function imic_podcast_add_hooks( $query ) {
if ( ! is_admin() && $query->is_main_query() && $query->is_feed() ) {
if ($query->get('post_type')=='sermons' ) {
add_filter( 'get_post_time', 'imic_podcast_item_date', 10, 3 );
add_filter( 'bloginfo_rss', 'imic_bloginfo_rss_filter', 10, 2 );
add_filter( 'wp_title_rss', 'imic_modify_podcast_title', 99, 3 );
add_action( 'rss_ns', 'imic_podcast_add_namespace' );
add_action( 'rss2_ns', 'imic_podcast_add_namespace' );
add_action( 'rss_head', 'imic_podcast_add_head' );
add_action( 'rss2_head', 'imic_podcast_add_head' );
add_action( 'rss_item', 'imic_podcast_add_item' );
add_action( 'rss2_item', 'imic_podcast_add_item' );
add_filter( 'the_content_feed', 'imic_podcast_summary', 10, 3 );
add_filter( 'the_excerpt_rss', 'imic_podcast_summary' );
add_filter( 'rss_enclosure', '__return_empty_string' );
}
}
}
// Create custom RSS feed for sermon podcasting
function imic_sermon_podcast_feed() {
load_template( IMIC_SERMONS . 'podcast-feed.php');
}
// add podcast head
function imic_podcast_add_head() {
$options = get_option('imic_options'); ?>
<copyright><?php echo html_entity_decode( esc_html( $options['podcast_copyright'] ), ENT_COMPAT, 'UTF-8' ) ?></copyright>
<itunes:subtitle><?php echo esc_html( $options['podcast_itunes_subtitle'] ) ?></itunes:subtitle>
<itunes:author><?php echo esc_html( $options['podcast_itunes_author'] ) ?></itunes:author>
<?php if ( trim( category_description() ) !== '' ) : ?>
<itunes:summary><?php echo stripslashes( wp_filter_nohtml_kses( category_description() ) ); ?></itunes:summary>
<?php else: ?>
<itunes:summary><?php echo wp_filter_nohtml_kses( $options['podcast_itunes_summary'] ); ?></itunes:summary>
<?php endif; ?>
<itunes:owner>
<itunes:name><?php echo esc_html( $options['podcast_itunes_owner_name'] ) ?></itunes:name>
<itunes:email><?php echo esc_html( $options['podcast_itunes_owner_email'] ) ?></itunes:email>
</itunes:owner>
<itunes:explicit>no</itunes:explicit>
<?php
$cover_image = $options['podcast_itunes_cover_image']['url'];
if($cover_image != ''){
?>
<itunes:image href="<?php echo esc_url($cover_image) ?>" />
<?php } else { ?>
<itunes:image href="<?php echo esc_url(get_template_directory_uri()) ?>/images/cover.png" />
<?php } ?>
<itunes:category text="<?php echo esc_attr( $options['podcast_itunes_top_category'] ); ?>">
<itunes:category
text="<?php echo esc_attr( $options['podcast_itunes_sub_category'] ) ?>"/>
</itunes:category>
<?php
}
// add itunes specific info to each item
function imic_podcast_add_item(){
$options = get_option('imic_options');
global $post;
$topics_all= wp_get_post_terms( get_the_ID() , 'sermons-tag' );
$topics_all = false;
if( $topics_all && count( $topics_all ) > 0 ) {
$c = 0;
foreach( $topics_all as $t ) {
if( $c == 0 ) {
$topics_list = esc_html( $t->name );
++$c;
} else {
$topics_list .= ', ' . esc_html( $t->name );
}
}
}
$attached_audio = imic_sermon_attach_full_audio(get_the_ID());
$audio_raw = str_ireplace( 'https://', 'http://', $attached_audio );
$audio_p = strrpos( $audio_raw, '/' ) + 1;
$audio_raw = urldecode( $audio_raw );
$audio = substr( $audio_raw, 0, $audio_p ) . rawurlencode( substr( $audio_raw, $audio_p ) );
$speaker = strip_tags( get_the_term_list( $post->ID, 'sermons-speakers', '', ' & ', '' ) );
$series = strip_tags( get_the_term_list( $post->ID, 'sermons-category', '', ', ', '' ) );
$topics = $topics_list;
$post_image = wp_get_attachment_image_src( get_post_thumbnail_id( $post->ID ), 'large' );
$post_image = str_ireplace( 'https://', 'http://', ! empty( $post_image['0'] ) ? $post_image['0'] : '' );
$audio_duration = get_post_meta( $post->ID, 'imic_sermon_duration', true ) ?: '0:00';
$audio_file_size = get_post_meta( $post->ID, 'imic_sermon_size', 'true' ) ?: 0;
// Fix for relative audio file URLs
if ( substr( $audio, 0, 1 ) === '/' ) {
$audio = home_url( $audio );
}
?>
<itunes:author><?php echo esc_html( $speaker ); ?></itunes:author>
<itunes:subtitle><?php echo esc_html( $series ); ?></itunes:subtitle>
<?php if ( $post_image ) : ?>
<itunes:image href="<?php echo esc_url( $post_image ); ?>"/>
<?php endif; ?>
<enclosure url="<?php echo esc_url( $audio ); ?>" length="<?php echo esc_attr( $audio_file_size ); ?>" type="audio/mpeg"/>
<itunes:duration><?php echo esc_html( $audio_duration ); ?></itunes:duration>
<?php if ( $topics ): ?>
<itunes:keywords><?php echo esc_html( $topics ); ?></itunes:keywords>
<?php endif; ?>
<?php
}
//Display the sermon description as the podcast summary
function imic_podcast_summary ($content) {
global $post;
$podcast_desc = get_post_meta($post->ID, 'imic_sermons_podcast_description', 'true');
//$content = '';
$content = $podcast_desc;
}
//Filter published date for podcast: use sermon date instead of post date
function imic_podcast_item_date ($time, $d = 'U', $gmt = false) {
$time = get_the_date('D, d M Y H:i:s O');
return $time;
}
// Replace feed title with the one defined in Sermon Manager settings
function imic_modify_podcast_title( $title ) {
$options = get_option('imic_options');
$podcast_title = esc_attr( $options['podcast_title'] );
if ( $podcast_title !== '' ) {
return $podcast_title;
}
return $title;
}
// Modifies get_bloginfo output and injects Sermon Manager data
function imic_bloginfo_rss_filter( $info, $show ) {
$options = get_option('imic_options');
$new_info = '';
switch ( $show ) {
case 'name':
$new_info = esc_attr( $options['podcast_title'] );
break;
case 'description':
$new_info = stripslashes( wp_filter_nohtml_kses( $options['podcast_itunes_summary'] ) );
break;
}
if ( $new_info !== '' ) {
return $new_info;
}
return $info;
}
?>