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<?php |
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|
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namespace Pixelavo; |
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|
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/* Exit if accessed directly */ |
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if (!defined('ABSPATH')) { |
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exit; |
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} |
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|
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class PixelEddFeed{ |
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|
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private static $_instance = null; |
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|
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/** |
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* Instance. |
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* Initializes a singleton instance. |
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* @return self class |
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*/ |
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static function instance() { |
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if ( is_null( self::$_instance ) ) { |
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self::$_instance = new self(); |
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} |
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return self::$_instance; |
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} |
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|
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function __construct() { |
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add_action('init', [$this, 'init_feed']); |
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add_filter('feed_content_type', [$this, 'feed_content_type'], 10, 2); |
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} |
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|
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function feed_content_type($content_type, $type) { |
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if ('pixelavo-edd' === $type) { |
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return feed_content_type( 'rss-http' ); |
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} |
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return $content_type; |
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} |
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|
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/** |
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* Feed. |
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* Run when user search for any product and go to `search` page. |
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* @return void |
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*/ |
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function init_feed() { |
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add_feed( 'pixelavo-edd', [$this, 'pixel_feed'] ); |
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} |
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|
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function pixel_feed() { |
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|
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/** |
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* Settings |
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*/ |
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$settings = get_option('pixelavo_settings'); |
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$exclude_categories = array_key_exists('edd_exclude_categories', $settings) ? $settings['edd_exclude_categories'] : []; |
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$exclude_tags = array_key_exists('edd_exclude_tags', $settings) ? $settings['edd_exclude_tags'] : []; |
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|
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/** |
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* Products |
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*/ |
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$args = [ |
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'fields' => 'ids', |
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'post_type' => 'download', |
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'post_status' => 'publish', |
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'posts_per_page' => -1, |
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'orderby' => 'ID', |
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'order' => 'ASC', |
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'tax_query' => [ |
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'relation' => 'AND', |
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[ |
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'taxonomy' => 'download_category', |
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'field' => 'term_id', |
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'terms' => $exclude_categories, |
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'operator' => 'NOT IN', |
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], |
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[ |
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'taxonomy' => 'download_tag', |
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'field' => 'term_id', |
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'terms' => $exclude_tags, |
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'operator' => 'NOT IN', |
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] |
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], |
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]; |
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$download_ids = get_posts($args); |
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|
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/** |
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* Feed Namespace |
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*/ |
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$namespace = 'http://base.google.com/ns/1.0'; |
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|
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/** |
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* Feed RSS |
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*/ |
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$rss = new \SimpleXMLElement("<?xml version='1.0' encoding='UTF-8'?><rss xmlns:g='{$namespace}'></rss>"); |
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$rss->addAttribute('version', '2.0'); |
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|
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/** |
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* Feed Channel |
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*/ |
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$channel = $rss->addChild('channel'); |
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$channel->addChild('title', get_bloginfo('name')); |
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if(!empty(get_bloginfo('description'))) { |
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$channel->addChild('description', get_bloginfo('description')); |
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} |
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$channel->addChild('link', get_bloginfo('url')); |
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|
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/** |
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* Feed Item |
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*/ |
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foreach ($download_ids as $id) { |
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$download = edd_get_download($id); |
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$dowl['id'] = $settings['edd_product_identifier'] == 'post_id' ? $download->ID : $download->get_sku(); |
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$dowl['title'] = $download->post_title; |
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$dowl['desc'] = $settings['edd_description_field'] == 'description' ? $download->post_content : $download->post_excerpt; |
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$dowl['link'] = get_permalink($dowl['id']); |
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$dowl['image_link'] = $this->get_image_link($dowl['id']); |
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$dowl['brand'] = $this->get_brand($dowl['id']); |
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$dowl['condition'] = 'new'; |
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$dowl['availability'] = 'in stock'; |
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$dowl['price'] = $download->get_price() . ' ' . edd_get_option('currency', 'USD'); |
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$dowl['google_product_category'] = '5032'; |
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$this->feed_item($channel, $dowl, $namespace); |
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} |
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echo $rss->asXML(); // phpcs:ignore |
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} |
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|
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/** |
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* Feed item function |
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*/ |
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function feed_item($channel, $download, $namespace) { |
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|
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$item = $channel->addChild('item'); |
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$item->addChild("g:id", $download['id'], $namespace); |
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$item->addChild("g:title", $download['title'], $namespace); |
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if(!empty($download['desc'])) { |
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$item->addChild("g:description", $download['desc'], $namespace); |
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} |
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$item->addChild("g:availability", $download['availability'], $namespace); |
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$item->addChild("g:condition", $download['condition'], $namespace); |
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if($download['price']) { |
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$item->addChild("g:price", $download['price'], $namespace); |
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} |
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$item->addChild("g:link", $download['link'], $namespace); |
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if($download['image_link']) { |
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$item->addChild("g:image_link", $download['image_link'], $namespace); |
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} |
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if(!empty($download['brand'])) { |
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$item->addChild("g:brand", $download['brand'], $namespace); |
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} |
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$item->addChild("g:google_product_category", $download['google_product_category'], $namespace); |
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} |
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|
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/** |
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* Get product thumbnail image link |
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*/ |
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function get_image_link($download_id, $variation = null) { |
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$image = wp_get_attachment_image_src( get_post_thumbnail_id( $download_id ), 'single-post-thumbnail' ); |
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if($image) { |
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return $image[0]; |
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} |
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return $image; |
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} |
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|
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/** |
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* Get brand name |
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*/ |
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function get_brand($download_id) { |
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$settings = get_option('pixelavo_settings'); |
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return isset($settings['edd_product_feed_brand']) && !empty($settings['edd_product_feed_brand']) ? $settings['edd_product_feed_brand'] : ''; |
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} |
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|
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} |
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|
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/** |
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* Initialize PixelEddFeed Class |
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*/ |
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PixelEddFeed::instance(); |
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|
