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<?php |
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/** |
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* Prepares the feed HTML |
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* |
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*/ |
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|
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if( ! defined( 'ABSPATH' ) ) exit; |
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|
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class SRR_Feed{ |
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|
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public $options = array(); |
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|
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public function __construct( $options ){ |
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|
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$this->options = wp_parse_args( $options, SRR_Options::defaults() ); |
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|
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} |
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|
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public function html(){ |
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|
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$urls = stripslashes( trim( $this->options['urls'] ) ); |
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$tab_titles = stripslashes( $this->options['tab_titles'] ); |
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$count = intval( $this->options['count'] ); |
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|
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$show_date = intval( $this->options['show_date'] ); |
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$show_desc = intval( $this->options['show_desc'] ); |
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$show_author = intval( $this->options['show_author'] ); |
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$show_thumb = stripslashes( $this->options['show_thumb'] ); |
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$open_newtab = intval( $this->options['open_newtab'] ); |
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$add_nofollow = intval( $this->options['add_nofollow'] ); |
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$strip_desc = intval( $this->options['strip_desc'] ); |
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$strip_title = intval( $this->options['strip_title'] ); |
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$date_format = htmlspecialchars( $this->options['date_format'] ); |
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$order_by = htmlspecialchars( $this->options['order_by'] ); |
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$read_more = htmlspecialchars( $this->options['read_more'] ); |
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$rich_desc = intval( $this->options['rich_desc'] ); |
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$thumbnail_position = htmlspecialchars( $this->options['thumbnail_position'] ); |
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$thumbnail_size = htmlspecialchars( $this->options['thumbnail_size'] ); |
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$thumbnail_default = htmlspecialchars( $this->options['thumbnail_default'] ); |
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|
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$color_theme = stripslashes( $this->options['color_style'] ); |
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$display_type = stripslashes( $this->options['display_type'] ); |
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$visible_items = intval( $this->options['visible_items'] ); |
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$ticker_speed = intval( $this->options['ticker_speed'] ) * 1000; |
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|
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if( empty( $urls ) ){ |
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return ''; |
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} |
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|
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$url_delim = strpos( $urls, ',' ) !== false ? ',' : "\n"; |
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$tab_title_delim = strpos( $tab_titles, ',' ) !== false ? ',' : "\n"; |
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|
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$urls = explode( $url_delim, $urls ); |
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$tab_titles = explode( $tab_title_delim, $tab_titles ); |
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$url_count = count( $urls ); |
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|
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$feeds = array(); |
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$html = ''; |
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|
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$classes = array( 'srr-wrap', 'srr-style-' . $color_theme ); |
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if( $display_type == 'vertical_ticker' ) array_push( $classes, 'srr-vticker' ); |
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$class = implode( ' ', $classes ); |
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|
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// Fetch the feed |
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for( $i=0; $i < $url_count; $i++ ){ |
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$feed_url = trim( $urls[$i] ); |
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$feed = fetch_feed( $feed_url ); |
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|
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if( is_wp_error( $feed ) ){ |
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$feed_title = 'Error'; |
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}else{ |
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$feed_title = ( isset( $tab_titles[$i] ) && !empty( $tab_titles[$i] ) ) ? $tab_titles[$i] : esc_attr( strip_tags( $feed->get_title() ) ); |
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} |
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|
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$feeds[ $feed_url ] = array( |
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'id' => rand( 100, 999 ), |
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'feed' => $feed, |
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'title' => $feed_title |
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); |
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} |
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|
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// Generate tabs |
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if( $url_count > 1 ){ |
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$html .= '<ul class="srr-tab-wrap srr-tab-style-' . $color_theme . ' srr-clearfix">'; |
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foreach( $feeds as $url => $data ){ |
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$id = $data[ 'id' ]; |
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$feed = $data[ 'feed' ]; |
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if( is_wp_error( $feed ) ){ |
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$html .= '<li data-tab="srr-tab-' . $id . '">Error</li>'; |
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}else{ |
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$html .= '<li data-tab="srr-tab-' . $id . '">' . $data[ 'title' ] . '</li>'; |
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} |
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} |
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$html .= '</ul>'; |
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} |
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|
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// Generate feed items |
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foreach( $feeds as $url => $data ){ |
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|
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$id = $data[ 'id' ]; |
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$feed = $data[ 'feed' ]; |
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|
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// Check for feed errors |
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if ( is_wp_error( $feed ) ){ |
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$html .= '<div class="srr-wrap srr-style-' . $color_theme .'" data-id="srr-tab-' . $id . '"><p>RSS Error: ' . $feed->get_error_message() . '</p></div>'; |
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continue; |
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} |
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|
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if( method_exists( $feed, 'enable_order_by_date' ) && in_array( $order_by, array( 'date', 'date_reverse' ) ) ){ |
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$feed->enable_order_by_date( true ); |
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} |
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|
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// Outer wrap start |
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$html .= '<div class="' . $class . '" data-visible="' . $visible_items . '" data-speed="' . $ticker_speed . '" data-id="srr-tab-' . $id . '">'; |
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$html .= '<div>'; |
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|
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$max_items = $feed->get_item_quantity(); |
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|
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// Check feed items |
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if ( $max_items == 0 ){ |
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$html .= '<div>' . __( 'No items', 'super-rss-reader' ) . '</div>'; |
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}else{ |
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|
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$feed_items = $feed->get_items(); |
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$feed_items = $this->process_items( $feed_items, $count, $order_by ); |
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$j=1; |
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|
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// Loop through each feed item |
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foreach( $feed_items as $item ){ |
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|
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// Link |
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$link = $item->get_link(); |
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while ( stristr( $link, 'http' ) != $link ){ $link = substr( $link, 1 ); } |
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$link = esc_url( strip_tags($link) ); |
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|
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// Title |
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$title = esc_attr( strip_tags( $item->get_title() ) ); |
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$title_full = $title; |
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|
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if ( empty( $title ) ){ |
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$title = __( 'No Title', 'super-rss-reader' ); |
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} |
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|
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if( $strip_title > 0 && strlen( $title ) > $strip_title ){ |
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$title = wp_trim_words( $title, $strip_title ); |
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} |
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|
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// Open links in new tab |
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$new_tab = $open_newtab ? ' target="_blank"' : ''; |
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|
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// Add no follow attribute |
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$no_follow = $add_nofollow ? ' rel="nofollow noopener noreferrer"' : ''; |
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|
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// Date |
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$date = date_i18n( $date_format, $item->get_date( 'U' ) ); |
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$date_full = esc_attr( $item->get_date() ); |
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|
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// Thumbnail |
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$thumb = ''; |
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if ( $show_thumb == 1 ){ |
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$thumb_url = $this->get_thumbnail_url( $item, $thumbnail_default ); |
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$thumb_url = apply_filters( 'srr_mod_thumbnail_url', $thumb_url, $item, $feed, $thumbnail_default ); |
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if( !empty( $thumb_url ) ){ |
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$thumb_styles = array( |
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'width' => $thumbnail_size, |
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'height' => $thumbnail_size |
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); |
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$thumb_style = ''; |
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foreach( $thumb_styles as $prop => $val ){ |
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$thumb_style .= "$prop:$val;"; |
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} |
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$thumb = '<a href="' . $link . '" class="srr-thumb srr-thumb-' . $thumbnail_position . '" style="' . $thumb_style . '" ' . $new_tab . $no_follow . '><img src="' . $thumb_url . '" alt="' . $title_full . '" align="left" /></a>'; |
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} |
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} |
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|
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// Description |
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$desc = ''; |
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if( $show_desc ){ |
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if( $rich_desc ){ |
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$desc = strip_tags( $item->get_description(), '<p><a><img><em><strong><font><strike><s><u><i>' ); |
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}else{ |
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|
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$desc = str_replace( array( "\n", "\r" ), ' ', esc_attr( strip_tags( @html_entity_decode( $item->get_description(), ENT_QUOTES, get_option('blog_charset') ) ) ) ); |
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$read_more_link = ''; |
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|
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if( $strip_desc != 0 ){ |
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$desc = wp_trim_words( $desc, $strip_desc ); |
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$read_more_link = !empty( $read_more ) ? ' <a href="' . $link . '" title="' . __( 'Read more', 'super-rss-reader' ) . '"' . $new_tab . $no_follow . ' class="srr-read-more">' . $read_more . '</a>' : ''; |
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|
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if ( '[...]' == substr( $desc, -5 ) ){ |
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$desc = substr( $desc, 0, -5 ); |
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}elseif ( '[…]' != substr( $desc, -10 ) ){ |
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$desc .= ''; |
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} |
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|
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$desc = esc_html( $desc ); |
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} |
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|
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$desc = $desc . $read_more_link; |
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|
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} |
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} |
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|
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// Author |
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$author = $item->get_author(); |
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if ( is_object( $author ) ) { |
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$author = $author->get_name(); |
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$author = esc_html( strip_tags( $author ) ); |
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} |
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|
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$t_title = ''; |
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$t_meta = ''; |
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$t_thumb = ''; |
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$t_desc = ''; |
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|
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$t_title .= '<div class="srr-title"><a href="' . $link . '"' . $new_tab . $no_follow . ' title="' . $title_full . '">' . $title . '</a></div>'; |
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|
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// Metadata |
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if( $show_date || $show_author ){ |
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$t_meta .= '<div class="srr-meta">'; |
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if( $show_date && !empty( $date ) ){ |
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$t_meta .= '<time class="srr-date" title="' . $date_full . ' UTC">' . $date . '</time>'; |
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} |
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|
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if( $show_author && !empty( $author ) ){ |
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$t_meta .= ' - <cite class="srr-author">' . $author . '</cite>'; |
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} |
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$t_meta .= '</div>'; // End meta |
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} |
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|
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if ( $show_thumb ){ |
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$t_thumb .= $thumb; |
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} |
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|
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if( $show_desc ){ |
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$t_desc .= '<div class="srr-summary srr-clearfix">'; |
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$t_desc .= $rich_desc ? $desc : ( '<p>' . $desc . '</p>' ); |
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$t_desc .= '</div>'; // End summary |
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} |
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|
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$f_data = apply_filters( 'srr_mod_item_html', array( |
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'title' => $t_title, |
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'meta' => $t_meta, |
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'thumbnail' => $t_thumb, |
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'description' => $t_desc, |
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'before' => '', |
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'after' => '' |
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), $url, $item ); |
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|
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$f_title = !isset( $f_data[ 'title' ] ) ? '' : $f_data[ 'title' ]; |
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$f_meta = !isset( $f_data[ 'meta' ] ) ? '' : $f_data[ 'meta' ]; |
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$f_thumb = !isset( $f_data[ 'thumbnail' ] ) ? '' : $f_data[ 'thumbnail' ]; |
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$f_desc = !isset( $f_data[ 'description' ] ) ? '' : $f_data[ 'description' ]; |
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$f_before = !isset( $f_data[ 'before' ] ) ? '' : $f_data[ 'before' ]; |
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$f_after = !isset( $f_data[ 'after' ] ) ? '' : $f_data[ 'after' ]; |
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|
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// Display the feed items |
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$html .= '<div class="srr-item ' . ( ( $j%2 == 0 ) ? 'srr-stripe' : '') . '">'; |
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$html .= '<div class="srr-clearfix">'; |
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$html .= $f_before; |
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$html .= $f_title . $f_meta . $f_thumb . $f_desc; |
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$html .= $f_after; |
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$html .= '</div>'; // End item inner clearfix |
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$html .= '</div>'; // End feed item |
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|
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$j++; |
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} |
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} |
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|
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// Outer wrap end |
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$html .= '</div></div>' ; |
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|
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if( !is_wp_error( $feed ) ) |
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$feed->__destruct(); |
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|
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unset( $feed ); |
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|
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} |
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|
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$html = '<div class="srr-main">' . $html . '</div>'; |
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|
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return $html; |
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|
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} |
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|
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function process_items( $items, $count, $order_by ){ |
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|
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if( count( $items ) == 0 ){ |
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return $items; |
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} |
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|
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// For shuffle order - Shuffle first and then slice as per count |
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if( $order_by == 'random' ){ |
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shuffle( $items ); |
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return array_slice( $items, 0, $count ); |
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} |
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|
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// For date based order - slice first and then order |
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$items = array_slice( $items, 0, $count ); |
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|
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if( $order_by == 'date_reverse' ){ |
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$items = array_reverse( $items ); |
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} |
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|
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return $items; |
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|
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} |
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|
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function get_thumbnail_url( $item, $thumbnail_default ){ |
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|
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// Try to get from the item enclosure |
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$enclosure = $item->get_enclosure(); |
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|
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if ( $enclosure->get_thumbnail() ) { |
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return $enclosure->get_thumbnail(); |
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} |
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|
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if ( $enclosure->get_link() ) { |
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return $enclosure->get_link(); |
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} |
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|
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// Try to get from item content |
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$content = $item->get_content(); |
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|
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preg_match_all('~<img.*?src=["\']+(.*?)["\']+~', $content, $urls); |
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$urls = $urls[1]; |
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|
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if( !empty( $urls ) ){ |
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return $urls[0]; |
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} |
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|
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// Try to get the image tag finally if available |
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$image = $item->get_item_tags( '', 'image' ); |
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|
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if( isset( $image[0]['data'] ) ){ |
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return $image[0]['data']; |
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} |
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|
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return trim( $thumbnail_default ); |
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|
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} |
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|
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} |
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|
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?> |
