mirror of
https://github.com/10h30/display-featured-image-genesis.git
synced 2026-06-05 15:08:20 +09:00
Robin Cornett
8da1514877
First check is now full text as that is more standard. Reorganized decision process, and properly accounted for optional alternate feed in Send Images to RSS.
107 lines
3.2 KiB
PHP
107 lines
3.2 KiB
PHP
<?php
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/**
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* @package DisplayFeaturedImageGenesis
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* @author Robin Cornett <hello@robincornett.com>
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* @license GPL-2.0+
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* @link http://robincornett.com
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* @copyright 2014 Robin Cornett Creative, LLC
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*/
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class Display_Featured_Image_Genesis_RSS {
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/**
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* Decide whether or not to add the featured image to the feed or the feed excerpt
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*
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* @return filter the_excerpt_rss (if summaries) or the_content_feed (full text)
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* @since x.y.z
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*/
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public function maybe_do_feed() {
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$displaysetting = get_option( 'displayfeaturedimagegenesis' );
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$feed_image = $displaysetting['feed_image'];
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$rss_option = get_option( 'rss_use_excerpt' );
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//* if the user isn't sending images to the feed, we're done
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if ( ! $feed_image ) {
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return;
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}
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//* if the feed is full text, filter the content
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if ( '0' === $rss_option ) {
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add_filter( 'the_content_feed', array( $this, 'add_image_to_feed' ), 15 );
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}
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//* if the feed is summaries, filter the excerpt, not the content
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else {
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add_filter( 'the_excerpt_rss', array( $this, 'add_image_to_feed' ), 1000, 1 );
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}
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}
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/**
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* add the featured image to the feed, unless it already exists
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* includes allowances for Send Images to RSS plugin, which processes before this
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*
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* @param return $content
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* @since x.y.z
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*/
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public function add_image_to_feed( $content ) {
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//* if the post doesn't have a thumbnail, we're done here
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if ( ! has_post_thumbnail() ) {
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return $content;
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}
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//* first check: see if the featured image already exists in full in the content
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$size = 'original';
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if ( class_exists( 'SendImagesRSS' ) ) {
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$simplify = get_option( 'sendimagesrss_simplify_feed' );
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$alt_feed = get_option( 'sendimagesrss_alternate_feed' );
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if ( ! $simplify && ( ( $alt_feed && is_feed( 'email' ) ) || ! $alt_feed ) ) {
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$size = 'mailchimp';
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}
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}
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$post_thumbnail = wp_get_attachment_image_src( get_post_thumbnail_id(), $size );
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$image_content = strpos( $content, 'src="' . $post_thumbnail[0] );
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$rss_option = get_option( 'rss_use_excerpt' );
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//* if the featured image already exists in all its glory in the content, we're done here
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if ( false !== $image_content && '0' === $rss_option ) {
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return $content;
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}
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//* reset size to large so we don't send huge files to the feed
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$size = 'large';
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if ( class_exists( 'SendImagesRSS' ) ) {
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$simplify = get_option( 'sendimagesrss_simplify_feed' );
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$alt_feed = get_option( 'sendimagesrss_alternate_feed' );
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//* if the user is using Send Images to RSS, send the right images to the right feeds
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if ( ! $simplify && ( ( $alt_feed && is_feed( 'email' ) ) || ! $alt_feed ) ) {
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$size = 'mailchimp';
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$class = 'rss-mailchimp';
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}
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}
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$align = '';
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$style = 'display:block;margin:10px auto;';
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$class = 'rss-featured-image';
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//* if the feed output is descriptions only, change image size to thumbnail with small alignment
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if ( '1' === $rss_option ) {
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$size = 'thumbnail';
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$align = 'left';
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$style = 'margin:0px 0px 20px 20px;';
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$class = 'rss-small';
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}
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//* whew. build the image!
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$image = get_the_post_thumbnail( get_the_ID(), $size, array( 'align' => $align, 'style' => $style, 'class' => $class ) );
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$content = $image . $content;
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return $content;
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}
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} |