| 1 |
<?php |
| 2 |
/** |
| 3 |
* Prepares the feed HTML |
| 4 |
* |
| 5 |
*/ |
| 6 |
|
| 7 |
if( ! defined( 'ABSPATH' ) ) exit; |
| 8 |
|
| 9 |
class SRR_Feed{ |
| 10 |
|
| 11 |
public $options = array(); |
| 12 |
|
| 13 |
public function __construct( $options ){ |
| 14 |
|
| 15 |
$this->options = wp_parse_args( $options, SRR_Options::default_options() ); |
| 16 |
|
| 17 |
} |
| 18 |
|
| 19 |
public function html(){ |
| 20 |
|
| 21 |
$urls = stripslashes( trim( $this->options['urls'] ) ); |
| 22 |
$tab_titles = stripslashes( $this->options['tab_titles'] ); |
| 23 |
$count = intval( $this->options['count'] ); |
| 24 |
|
| 25 |
$show_date = intval( $this->options['show_date'] ); |
| 26 |
$show_desc = intval( $this->options['show_desc'] ); |
| 27 |
$show_author = intval( $this->options['show_author'] ); |
| 28 |
$show_thumb = stripslashes( $this->options['show_thumb'] ); |
| 29 |
$open_newtab = intval( $this->options['open_newtab'] ); |
| 30 |
$add_nofollow = intval( $this->options['add_nofollow'] ); |
| 31 |
$strip_desc = intval( $this->options['strip_desc'] ); |
| 32 |
$strip_title = intval( $this->options['strip_title'] ); |
| 33 |
$read_more = htmlspecialchars( $this->options['read_more'] ); |
| 34 |
$rich_desc = intval( $this->options['rich_desc'] ); |
| 35 |
|
| 36 |
$color_theme = stripslashes( $this->options['color_style'] ); |
| 37 |
$display_type = stripslashes( $this->options['display_type'] ); |
| 38 |
$visible_items = intval( $this->options['visible_items'] ); |
| 39 |
$ticker_speed = intval( $this->options['ticker_speed'] ) * 1000; |
| 40 |
|
| 41 |
if( empty( $urls ) ){ |
| 42 |
return ''; |
| 43 |
} |
| 44 |
|
| 45 |
$url_delim = strpos( $urls, ',' ) !== false ? ',' : "\n"; |
| 46 |
$tab_title_delim = strpos( $tab_titles, ',' ) !== false ? ',' : "\n"; |
| 47 |
|
| 48 |
$urls = explode( $url_delim, $urls ); |
| 49 |
$tab_titles = explode( $tab_title_delim, $tab_titles ); |
| 50 |
$url_count = count( $urls ); |
| 51 |
|
| 52 |
$feeds = array(); |
| 53 |
$html = ''; |
| 54 |
|
| 55 |
// Fetch the feed |
| 56 |
for( $i=0; $i < $url_count; $i++ ){ |
| 57 |
$feed_url = trim( $urls[$i] ); |
| 58 |
$feed = fetch_feed( $feed_url ); |
| 59 |
|
| 60 |
if( is_wp_error( $feed ) ){ |
| 61 |
$feed_title = 'Error'; |
| 62 |
}else{ |
| 63 |
$feed_title = ( isset( $tab_titles[$i] ) && !empty( $tab_titles[$i] ) ) ? $tab_titles[$i] : esc_attr( strip_tags( $feed->get_title() ) ); |
| 64 |
} |
| 65 |
|
| 66 |
$feeds[ $feed_url ] = array( |
| 67 |
'id' => rand( 100, 999 ), |
| 68 |
'feed' => $feed, |
| 69 |
'title' => $feed_title |
| 70 |
); |
| 71 |
} |
| 72 |
|
| 73 |
// Generate tabs |
| 74 |
if( $url_count > 1 ){ |
| 75 |
$html .= '<ul class="srr-tab-wrap srr-tab-style-' . $color_theme . ' srr-clearfix">'; |
| 76 |
foreach( $feeds as $url => $data ){ |
| 77 |
$id = $data[ 'id' ]; |
| 78 |
$feed = $data[ 'feed' ]; |
| 79 |
if( is_wp_error( $feed ) ){ |
| 80 |
$html .= '<li data-tab="srr-tab-' . $id . '">Error</li>'; |
| 81 |
}else{ |
| 82 |
$html .= '<li data-tab="srr-tab-' . $id . '">' . $data[ 'title' ] . '</li>'; |
| 83 |
} |
| 84 |
} |
| 85 |
$html .= '</ul>'; |
| 86 |
} |
| 87 |
|
| 88 |
// Generate feed items |
| 89 |
foreach( $feeds as $url => $data ){ |
| 90 |
|
| 91 |
$id = $data[ 'id' ]; |
| 92 |
$feed = $data[ 'feed' ]; |
| 93 |
|
| 94 |
// Check for feed errors |
| 95 |
if ( is_wp_error( $feed ) ){ |
| 96 |
$html .= '<div class="srr-wrap srr-style-' . $color_theme .'" data-id="srr-tab-' . $id . '"><p>RSS Error: ' . $feed->get_error_message() . '</p></div>'; |
| 97 |
continue; |
| 98 |
} |
| 99 |
|
| 100 |
if( method_exists( $feed, 'enable_order_by_date' ) ){ |
| 101 |
$feed->enable_order_by_date( false ); |
| 102 |
} |
| 103 |
|
| 104 |
$max_items = $feed->get_item_quantity( $count ); |
| 105 |
$feed_items = $feed->get_items( 0, $max_items ); |
| 106 |
|
| 107 |
$classes = array( 'srr-wrap', 'srr-style-' . $color_theme ); |
| 108 |
if( $display_type == 'vertical_ticker' ) array_push( $classes, 'srr-vticker' ); |
| 109 |
$class = implode( ' ', $classes ); |
| 110 |
|
| 111 |
// Outer wrap start |
| 112 |
$html .= '<div class="' . $class . '" data-visible="' . $visible_items . '" data-speed="' . $ticker_speed . '" data-id="srr-tab-' . $id . '">'; |
| 113 |
$html .= '<div>'; |
| 114 |
|
| 115 |
// Check feed items |
| 116 |
if ( $max_items == 0 ){ |
| 117 |
$html .= '<div>No items.</div>'; |
| 118 |
}else{ |
| 119 |
$j=1; |
| 120 |
// Loop through each feed item |
| 121 |
foreach( $feed_items as $item ){ |
| 122 |
|
| 123 |
// Link |
| 124 |
$link = $item->get_link(); |
| 125 |
while ( stristr( $link, 'http' ) != $link ){ $link = substr( $link, 1 ); } |
| 126 |
$link = esc_url( strip_tags($link) ); |
| 127 |
|
| 128 |
// Title |
| 129 |
$title = esc_attr( strip_tags( $item->get_title() ) ); |
| 130 |
$title_full = $title; |
| 131 |
|
| 132 |
if ( empty( $title ) ){ |
| 133 |
$title = __( 'No Title', 'super-rss-reader' ); |
| 134 |
} |
| 135 |
|
| 136 |
if( $strip_title > 0 && strlen( $title ) > $strip_title ){ |
| 137 |
$title = wp_trim_words( $title, $strip_title ); |
| 138 |
} |
| 139 |
|
| 140 |
// Open links in new tab |
| 141 |
$new_tab = $open_newtab ? ' target="_blank"' : ''; |
| 142 |
|
| 143 |
// Add no follow attribute |
| 144 |
$no_follow = $add_nofollow ? ' rel="nofollow"' : ''; |
| 145 |
|
| 146 |
// Date |
| 147 |
$date = $item->get_date( 'j F Y' ); |
| 148 |
$date_full = esc_attr( $item->get_date() ); |
| 149 |
|
| 150 |
// Thumbnail |
| 151 |
$thumb = ''; |
| 152 |
if ( $show_thumb == 1 && $enclosure = $item->get_enclosure() ){ |
| 153 |
$thumb_url = $enclosure->get_thumbnail(); |
| 154 |
if( !empty( $thumb_url ) ){ |
| 155 |
$thumb = '<img src="' . $thumb_url . '" alt="' . $title_full . '" class="srr-thumb" align="left" />'; |
| 156 |
} |
| 157 |
} |
| 158 |
|
| 159 |
// Description |
| 160 |
$desc = ''; |
| 161 |
if( $show_desc ){ |
| 162 |
if( $rich_desc ){ |
| 163 |
$desc = strip_tags( $item->get_description(), '<p><a><img><em><strong><font><strike><s><u><i>' ); |
| 164 |
}else{ |
| 165 |
|
| 166 |
$desc = str_replace( array( "\n", "\r" ), ' ', esc_attr( strip_tags( @html_entity_decode( $item->get_description(), ENT_QUOTES, get_option('blog_charset') ) ) ) ); |
| 167 |
$read_more_link = ''; |
| 168 |
|
| 169 |
if( $strip_desc != 0 ){ |
| 170 |
$desc = wp_trim_words( $desc, $strip_desc ); |
| 171 |
$read_more_link = !empty( $read_more ) ? ' <a href="' . $link . '" title="Read more"' . $new_tab . $no_follow . '>' . $read_more . '</a>' : ''; |
| 172 |
|
| 173 |
if ( '[...]' == substr( $desc, -5 ) ){ |
| 174 |
$desc = substr( $desc, 0, -5 ); |
| 175 |
}elseif ( '[…]' != substr( $desc, -10 ) ){ |
| 176 |
$desc .= ''; |
| 177 |
} |
| 178 |
|
| 179 |
$desc = esc_html( $desc ); |
| 180 |
} |
| 181 |
|
| 182 |
$desc = $desc . $read_more_link; |
| 183 |
|
| 184 |
} |
| 185 |
} |
| 186 |
|
| 187 |
// Author |
| 188 |
$author = $item->get_author(); |
| 189 |
if ( is_object( $author ) ) { |
| 190 |
$author = $author->get_name(); |
| 191 |
$author = esc_html( strip_tags( $author ) ); |
| 192 |
} |
| 193 |
|
| 194 |
// Display the feed items |
| 195 |
$html .= '<div class="srr-item ' . ( ( $j%2 == 0 ) ? 'even' : 'odd') . ' srr-clearfix">'; |
| 196 |
$html .= '<div class="srr-title"><a href="' . $link . '"' . $new_tab . $no_follow . ' title="' . $title_full . '">' . $title . '</a></div>'; |
| 197 |
|
| 198 |
$html .= '<div class="srr-meta">'; |
| 199 |
if( $show_date && !empty( $date ) ){ |
| 200 |
$html .= '<time class="srr-date" title="' . $date_full . '">' . $date . '</time>'; |
| 201 |
} |
| 202 |
|
| 203 |
if( $show_author && !empty( $author ) ){ |
| 204 |
$html .= ' - <cite class="srr-author">' . $author . '</cite>'; |
| 205 |
} |
| 206 |
$html .= '</div>'; |
| 207 |
|
| 208 |
if ( $show_thumb ){ |
| 209 |
$html .= $thumb; |
| 210 |
} |
| 211 |
|
| 212 |
if( $show_desc ){ |
| 213 |
$html .= '<div class="srr-summary srr-clearfix">'; |
| 214 |
$html .= $rich_desc ? $desc : ( '<p>' . $desc . '</p>' ); |
| 215 |
$html .= '</div>'; |
| 216 |
} |
| 217 |
|
| 218 |
$html .= '</div>'; |
| 219 |
// End display |
| 220 |
|
| 221 |
$j++; |
| 222 |
} |
| 223 |
} |
| 224 |
|
| 225 |
// Outer wrap end |
| 226 |
$html .= '</div></div>' ; |
| 227 |
|
| 228 |
if ( !is_wp_error( $feed ) ) |
| 229 |
$feed->__destruct(); |
| 230 |
|
| 231 |
unset( $feed ); |
| 232 |
|
| 233 |
} |
| 234 |
|
| 235 |
return $html; |
| 236 |
|
| 237 |
} |
| 238 |
|
| 239 |
} |
| 240 |
|
| 241 |
?> |