| 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::defaults() ); |
| 16 |
|
| 17 |
} |
| 18 |
|
| 19 |
public function html(){ |
| 20 |
|
| 21 |
$urls = trim( $this->options['urls'] ); |
| 22 |
$tab_titles = $this->options['tab_titles']; |
| 23 |
$count = intval( $this->options['count'] ); |
| 24 |
|
| 25 |
$show_title = intval( $this->options['show_title'] ); |
| 26 |
$show_date = intval( $this->options['show_date'] ); |
| 27 |
$show_desc = intval( $this->options['show_desc'] ); |
| 28 |
$show_author = intval( $this->options['show_author'] ); |
| 29 |
$show_thumb = intval( $this->options['show_thumb'] ); |
| 30 |
$open_newtab = intval( $this->options['open_newtab'] ); |
| 31 |
$add_nofollow = intval( $this->options['add_nofollow'] ); |
| 32 |
$strip_desc = intval( $this->options['strip_desc'] ); |
| 33 |
$strip_title = intval( $this->options['strip_title'] ); |
| 34 |
$offset = intval( $this->options['offset'] ); |
| 35 |
$date_format = $this->options['date_format']; |
| 36 |
$date_timezone = $this->options['date_timezone']; |
| 37 |
$order_by = $this->options['order_by']; |
| 38 |
$read_more = $this->options['read_more']; |
| 39 |
$rich_desc = intval( $this->options['rich_desc'] ); |
| 40 |
$link_desc = intval( $this->options['link_desc'] ); |
| 41 |
$desc_type = $this->options['desc_type']; |
| 42 |
$thumbnail_position = $this->options['thumbnail_position']; |
| 43 |
$thumbnail_size = $this->options['thumbnail_size']; |
| 44 |
$thumbnail_default = $this->options['thumbnail_default']; |
| 45 |
$no_feed_text = $this->options['no_feed_text']; |
| 46 |
|
| 47 |
$color_theme = $this->options['color_style']; |
| 48 |
$display_type = $this->options['display_type']; |
| 49 |
$visible_items = intval( $this->options['visible_items'] ); |
| 50 |
$ticker_speed = intval( $this->options['ticker_speed'] ) * 1000; |
| 51 |
$scroll_height = $this->options['scroll_height']; |
| 52 |
|
| 53 |
if( empty( $urls ) ){ |
| 54 |
return ''; |
| 55 |
} |
| 56 |
|
| 57 |
$count = ( $offset > 0 ) ? $count + $offset : $count; |
| 58 |
|
| 59 |
$url_delim = strpos( $urls, ',' ) !== false ? ',' : "\n"; |
| 60 |
$tab_title_delim = strpos( $tab_titles, ',' ) !== false ? ',' : "\n"; |
| 61 |
|
| 62 |
$urls = explode( $url_delim, $urls ); |
| 63 |
$tab_titles = explode( $tab_title_delim, $tab_titles ); |
| 64 |
$url_count = count( $urls ); |
| 65 |
|
| 66 |
$feeds = array(); |
| 67 |
$html = ''; |
| 68 |
$no_feed_html = '<div>' . wp_kses_post( $no_feed_text ) . '</div>'; |
| 69 |
|
| 70 |
$classes = array( 'srr-wrap', 'srr-style-' . $color_theme ); |
| 71 |
if( $display_type == 'vertical_ticker' ) array_push( $classes, 'srr-vticker' ); |
| 72 |
if( $display_type == 'scroll' ) array_push( $classes, 'srr-scroll' ); |
| 73 |
$class = implode( ' ', $classes ); |
| 74 |
|
| 75 |
$style = ''; |
| 76 |
if( $display_type == 'scroll' ){ |
| 77 |
$style .= '--srr-height: ' . $scroll_height; |
| 78 |
} |
| 79 |
if( !empty( $style ) ) $style = 'style="' . esc_attr( $style ) . '"'; |
| 80 |
|
| 81 |
// Fetch the feed |
| 82 |
for( $i=0; $i < $url_count; $i++ ){ |
| 83 |
$feed_url = trim( $urls[$i] ); |
| 84 |
|
| 85 |
// Skip if the RSS feed URL is same as the site URL |
| 86 |
if ( in_array( untrailingslashit( $feed_url ), array( site_url(), home_url() ), true ) ) { |
| 87 |
continue; |
| 88 |
} |
| 89 |
|
| 90 |
$feed = fetch_feed( $feed_url ); |
| 91 |
|
| 92 |
if( is_wp_error( $feed ) ){ |
| 93 |
$feed_title = __( 'Error' ); |
| 94 |
}else{ |
| 95 |
$feed_title = ( isset( $tab_titles[$i] ) && !empty( $tab_titles[$i] ) ) ? $tab_titles[$i] : strip_tags( $feed->get_title() ); |
| 96 |
} |
| 97 |
|
| 98 |
$feeds[ $feed_url ] = array( |
| 99 |
'id' => rand( 100, 999 ), |
| 100 |
'feed' => $feed, |
| 101 |
'title' => $feed_title |
| 102 |
); |
| 103 |
} |
| 104 |
|
| 105 |
// Generate tabs |
| 106 |
if( $url_count > 1 ){ |
| 107 |
$html .= '<ul class="srr-tab-wrap srr-tab-style-' . esc_attr( $color_theme ) . ' srr-clearfix">'; |
| 108 |
foreach( $feeds as $url => $data ){ |
| 109 |
$id = $data[ 'id' ]; |
| 110 |
$feed = $data[ 'feed' ]; |
| 111 |
$html .= '<li data-tab="srr-tab-' . esc_attr( $id ) . '">' . wp_kses_post( $data[ 'title' ] ) . '</li>'; |
| 112 |
} |
| 113 |
$html .= '</ul>'; |
| 114 |
} |
| 115 |
|
| 116 |
// Generate feed items |
| 117 |
foreach( $feeds as $url => $data ){ |
| 118 |
|
| 119 |
$id = $data[ 'id' ]; |
| 120 |
$feed = $data[ 'feed' ]; |
| 121 |
|
| 122 |
// Check for feed errors |
| 123 |
if ( is_wp_error( $feed ) ){ |
| 124 |
$html .= '<div class="srr-wrap srr-style-' . esc_attr( $color_theme ) .'" data-id="srr-tab-' . esc_attr( $id ) . '"><p>RSS Error: ' . wp_kses_post( $feed->get_error_message() ) . '</p></div>'; |
| 125 |
continue; |
| 126 |
} |
| 127 |
|
| 128 |
if( method_exists( $feed, 'enable_order_by_date' ) ){ |
| 129 |
if( in_array( $order_by, array( 'date', 'date_reverse' ) ) ){ |
| 130 |
$feed->enable_order_by_date( true ); |
| 131 |
}else{ |
| 132 |
$feed->enable_order_by_date( false ); |
| 133 |
} |
| 134 |
} |
| 135 |
|
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// Outer wrap start |
| 137 |
$html .= '<div class="' . esc_attr( $class ) . '" data-visible="' . esc_attr( $visible_items ) . '" data-speed="' . esc_attr( $ticker_speed ) . '" data-id="srr-tab-' . esc_attr( $id ) . '" ' . $style . '>'; |
| 138 |
$html .= '<div class="srr-inner">'; |
| 139 |
|
| 140 |
$max_items = $feed->get_item_quantity(); |
| 141 |
|
| 142 |
// Check feed items |
| 143 |
if ( $max_items == 0 ){ |
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$html .= $no_feed_html; |
| 145 |
}else{ |
| 146 |
|
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$feed_items = $feed->get_items(); |
| 148 |
$feed_items = $this->process_items( $feed_items, $count, $order_by ); |
| 149 |
$j=1; |
| 150 |
|
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// Loop through each feed item |
| 152 |
foreach( $feed_items as $item ){ |
| 153 |
|
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// Offset items |
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if( $j <= $offset ){ |
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$j++; |
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continue; |
| 158 |
} |
| 159 |
|
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// Link |
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$link = $item->get_link(); |
| 162 |
while ( stristr( $link, 'http' ) != $link ){ $link = substr( $link, 1 ); } |
| 163 |
$link = strip_tags($link); |
| 164 |
|
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// Title |
| 166 |
$title = strip_tags( $item->get_title() ); |
| 167 |
$title_full = $title; |
| 168 |
|
| 169 |
if ( empty( $title ) ){ |
| 170 |
$title = __( 'No Title', 'super-rss-reader' ); |
| 171 |
} |
| 172 |
|
| 173 |
if( $strip_title > 0 && strlen( $title ) > $strip_title ){ |
| 174 |
$title = wp_trim_words( $title, $strip_title ); |
| 175 |
} |
| 176 |
|
| 177 |
// Open links in new tab |
| 178 |
$new_tab = $open_newtab ? ' target="_blank"' : ''; |
| 179 |
|
| 180 |
// Add no follow attribute |
| 181 |
$no_follow = $add_nofollow ? ' rel="nofollow noopener noreferrer"' : ''; |
| 182 |
|
| 183 |
if( empty( $link ) ){ |
| 184 |
$link = '#'; |
| 185 |
$new_tab = ''; |
| 186 |
} |
| 187 |
|
| 188 |
// Date |
| 189 |
$date = ''; |
| 190 |
$date_full = strip_tags( $item->get_date() ); |
| 191 |
|
| 192 |
if( strtolower( $date_format ) == 'relative' ){ |
| 193 |
$item_date = $item->get_date( 'U' ); |
| 194 |
if( $item_date ){ |
| 195 |
$date = human_time_diff( $item_date, current_time( 'U' ) ) . ' ' . __( 'ago' ); |
| 196 |
}else{ |
| 197 |
$date = __( 'Today' ); |
| 198 |
} |
| 199 |
}else{ |
| 200 |
$date = SRR_Utilities::date_i18n( $date_format, $item->get_date( 'U' ), $date_timezone ); |
| 201 |
} |
| 202 |
|
| 203 |
// Thumbnail |
| 204 |
$thumb = ''; |
| 205 |
if ( $show_thumb == 1 ){ |
| 206 |
$thumb_url = $this->get_thumbnail_url( $item, $thumbnail_default ); |
| 207 |
$thumb_url = apply_filters( 'srr_mod_thumbnail_url', $thumb_url, $item, $feed, $thumbnail_default ); |
| 208 |
if( !empty( $thumb_url ) ){ |
| 209 |
if( strpos( $thumbnail_size, ',' ) ){ |
| 210 |
$thumb_size_split = explode( ',', $thumbnail_size ); |
| 211 |
$thumb_width = $thumb_size_split[0]; |
| 212 |
$thumb_height = $thumb_size_split[1]; |
| 213 |
}else{ |
| 214 |
$thumb_width = $thumb_height = $thumbnail_size; |
| 215 |
} |
| 216 |
$thumb_styles = array( |
| 217 |
'width' => $thumb_width, |
| 218 |
'height' => $thumb_height |
| 219 |
); |
| 220 |
$thumb_style = ''; |
| 221 |
foreach( $thumb_styles as $prop => $val ){ |
| 222 |
$thumb_style .= "$prop:$val;"; |
| 223 |
} |
| 224 |
$thumb = '<a href="' . esc_url( $link ) . '" class="srr-thumb srr-thumb-' . esc_attr( $thumbnail_position ) . '" style="' . esc_attr( $thumb_style ) . '" ' . $new_tab . $no_follow . '><img src="' . esc_url( $thumb_url ) . '" alt="' . esc_attr( $title_full ) . '" align="left"' . ( wp_lazy_loading_enabled( 'img', 'srr-thumbnail' ) ? ' loading="lazy"' : '' ) . ' /></a>'; |
| 225 |
} |
| 226 |
} |
| 227 |
|
| 228 |
// Description |
| 229 |
$desc = ''; |
| 230 |
if( $show_desc ){ |
| 231 |
$desc_content = ( $desc_type == 'summary' ) ? $item->get_description() : $item->get_content(); |
| 232 |
if( $rich_desc ){ |
| 233 |
$desc = wp_kses_post( strip_tags( $desc_content, '<p><a><img><em><strong><font><strike><s><u><b><i><br>' ) ); |
| 234 |
}else{ |
| 235 |
$desc = str_replace( array( "\n", "\r" ), ' ', strip_tags( @html_entity_decode( $desc_content, ENT_QUOTES, get_option('blog_charset') ) ) ); |
| 236 |
|
| 237 |
if( $strip_desc != 0 ){ |
| 238 |
$desc = wp_trim_words( $desc, $strip_desc ); |
| 239 |
if ( '[...]' == substr( $desc, -5 ) ){ |
| 240 |
$desc = substr( $desc, 0, -5 ); |
| 241 |
}else if ( '…' == substr( $desc, -8 ) ){ |
| 242 |
$desc = substr( $desc, 0, -8 ); |
| 243 |
}else if ( '...' == substr( $desc, -3 ) ){ |
| 244 |
$desc = substr( $desc, 0, -3 ); |
| 245 |
}elseif ( '[…]' != substr( $desc, -10 ) ){ |
| 246 |
$desc .= ''; |
| 247 |
} |
| 248 |
} |
| 249 |
|
| 250 |
$desc = trim( esc_html( $desc ) ); |
| 251 |
if( !empty( $desc ) ){ |
| 252 |
if( $link_desc ){ |
| 253 |
$desc = '<a href="' . esc_url( $link ) . '"' . $new_tab . $no_follow . ' class="srr-desc-link">' . $desc . '</a>'; |
| 254 |
} |
| 255 |
$read_more_link = !empty( $read_more ) ? ' <a href="' . esc_url( $link ) . '" title="' . esc_attr__( 'Read more', 'super-rss-reader' ) . '"' . $new_tab . $no_follow . ' class="srr-read-more">' . esc_html( $read_more ) . '</a>' : ''; |
| 256 |
$desc = $desc . $read_more_link; |
| 257 |
} |
| 258 |
|
| 259 |
} |
| 260 |
} |
| 261 |
|
| 262 |
// Author |
| 263 |
$author = ''; |
| 264 |
if( $show_author ){ |
| 265 |
$author = $item->get_author(); |
| 266 |
if ( is_object( $author ) && $author->get_name() ) { |
| 267 |
$author = strip_tags( $author->get_name() ); |
| 268 |
} |
| 269 |
} |
| 270 |
|
| 271 |
$t_title = ''; |
| 272 |
$t_meta = ''; |
| 273 |
$t_thumb = ''; |
| 274 |
$t_desc = ''; |
| 275 |
|
| 276 |
if( $show_title ){ |
| 277 |
$t_title .= '<div class="srr-title"><a href="' . esc_url( $link ) . '"' . $new_tab . $no_follow . ' title="' . esc_attr( $title_full ) . '">' . esc_html( $title ) . '</a></div>'; |
| 278 |
} |
| 279 |
|
| 280 |
// Metadata |
| 281 |
if( $show_date || $show_author ){ |
| 282 |
$t_meta .= '<div class="srr-meta">'; |
| 283 |
if( $show_date && !empty( $date ) ){ |
| 284 |
$t_meta .= '<time class="srr-date" title="' . esc_attr( $date_full ) . ' UTC">' . esc_html( $date ) . '</time>'; |
| 285 |
} |
| 286 |
|
| 287 |
if( $show_author && !empty( $author ) ){ |
| 288 |
$t_meta .= ' - <cite class="srr-author">' . esc_html( $author ) . '</cite>'; |
| 289 |
} |
| 290 |
$t_meta .= '</div>'; // End meta |
| 291 |
} |
| 292 |
|
| 293 |
if ( $show_thumb ){ |
| 294 |
$t_thumb .= $thumb; |
| 295 |
} |
| 296 |
|
| 297 |
if( $show_desc && !empty( $desc ) ){ |
| 298 |
$t_desc .= '<div class="srr-summary srr-clearfix">'; |
| 299 |
$t_desc .= $rich_desc ? $desc : ( '<p>' . $desc . '</p>' ); |
| 300 |
$t_desc .= '</div>'; // End summary |
| 301 |
} |
| 302 |
|
| 303 |
$f_data = apply_filters( 'srr_mod_item_html', array( |
| 304 |
'title' => $t_title, |
| 305 |
'meta' => $t_meta, |
| 306 |
'thumbnail' => $t_thumb, |
| 307 |
'description' => $t_desc, |
| 308 |
'before' => '', |
| 309 |
'after' => '' |
| 310 |
), $url, $item ); |
| 311 |
|
| 312 |
$f_title = !isset( $f_data[ 'title' ] ) ? '' : $f_data[ 'title' ]; |
| 313 |
$f_meta = !isset( $f_data[ 'meta' ] ) ? '' : $f_data[ 'meta' ]; |
| 314 |
$f_thumb = !isset( $f_data[ 'thumbnail' ] ) ? '' : $f_data[ 'thumbnail' ]; |
| 315 |
$f_desc = !isset( $f_data[ 'description' ] ) ? '' : $f_data[ 'description' ]; |
| 316 |
$f_before = !isset( $f_data[ 'before' ] ) ? '' : $f_data[ 'before' ]; |
| 317 |
$f_after = !isset( $f_data[ 'after' ] ) ? '' : $f_data[ 'after' ]; |
| 318 |
|
| 319 |
// Display the feed items |
| 320 |
$html .= '<div class="srr-item ' . ( ( $j%2 == 0 ) ? 'srr-stripe' : '') . '">'; |
| 321 |
$html .= '<div class="srr-item-in srr-clearfix">'; |
| 322 |
$html .= $f_before; |
| 323 |
$html .= $f_title . $f_meta . $f_thumb . $f_desc; |
| 324 |
$html .= $f_after; |
| 325 |
$html .= '</div>'; // End item inner clearfix |
| 326 |
$html .= '</div>'; // End feed item |
| 327 |
|
| 328 |
$j++; |
| 329 |
} |
| 330 |
|
| 331 |
if( $j == 1 ){ |
| 332 |
$html .= $no_feed_html; |
| 333 |
} |
| 334 |
|
| 335 |
} |
| 336 |
|
| 337 |
// Outer wrap end |
| 338 |
$html .= '</div></div>' ; |
| 339 |
|
| 340 |
if( !is_wp_error( $feed ) ) |
| 341 |
$feed->__destruct(); |
| 342 |
|
| 343 |
unset( $feed ); |
| 344 |
|
| 345 |
} |
| 346 |
|
| 347 |
$html = '<div class="srr-main">' . $html . '</div>'; |
| 348 |
|
| 349 |
return $html; |
| 350 |
|
| 351 |
} |
| 352 |
|
| 353 |
function process_items( $items, $count, $order_by ){ |
| 354 |
|
| 355 |
if( count( $items ) == 0 ){ |
| 356 |
return $items; |
| 357 |
} |
| 358 |
|
| 359 |
// For shuffle order - Shuffle first and then slice as per count |
| 360 |
if( $order_by == 'random' ){ |
| 361 |
shuffle( $items ); |
| 362 |
return array_slice( $items, 0, $count ); |
| 363 |
} |
| 364 |
|
| 365 |
// For date based order - slice first and then order |
| 366 |
$items = array_slice( $items, 0, $count ); |
| 367 |
|
| 368 |
if( $order_by == 'date_reverse' ){ |
| 369 |
$items = array_reverse( $items ); |
| 370 |
} |
| 371 |
|
| 372 |
return $items; |
| 373 |
|
| 374 |
} |
| 375 |
|
| 376 |
function get_thumbnail_url( $item, $thumbnail_default ){ |
| 377 |
|
| 378 |
// Try to get from the item enclosure |
| 379 |
$enclosure = $item->get_enclosure(); |
| 380 |
|
| 381 |
if ( $enclosure->get_thumbnail() ) { |
| 382 |
return $enclosure->get_thumbnail(); |
| 383 |
} |
| 384 |
|
| 385 |
if ( $enclosure->get_link() ) { |
| 386 |
return $enclosure->get_link(); |
| 387 |
} |
| 388 |
|
| 389 |
// Try to get from item content |
| 390 |
$content = $item->get_content(); |
| 391 |
|
| 392 |
preg_match_all('~<img.*?src=["\']+(.*?)["\']+~', $content, $urls); |
| 393 |
$urls = $urls[1]; |
| 394 |
|
| 395 |
if( !empty( $urls ) ){ |
| 396 |
return $urls[0]; |
| 397 |
} |
| 398 |
|
| 399 |
// Try to get the image tag finally if available |
| 400 |
$image = $item->get_item_tags( '', 'image' ); |
| 401 |
|
| 402 |
if( isset( $image[0]['data'] ) ){ |
| 403 |
return $image[0]['data']; |
| 404 |
} |
| 405 |
|
| 406 |
return trim( $thumbnail_default ); |
| 407 |
|
| 408 |
} |
| 409 |
|
| 410 |
} |
| 411 |
|
| 412 |
?> |
