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<?php |
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|
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namespace UltimateStoreKit\Admin; |
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|
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use UltimateStoreKit\Base\Singleton; |
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|
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if (! defined('ABSPATH')) { |
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exit; |
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} |
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|
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/** |
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* Class Feeds |
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*/ |
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class Feeds { |
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use Singleton; |
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private $settings; |
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|
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/** |
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* Max seconds to wait for a remote feed. Kept short so a slow or dead |
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* endpoint can never stall the admin dashboard into a gateway timeout. |
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*/ |
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const REQUEST_TIMEOUT = 5; |
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|
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/** |
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* How long to skip remote requests after a failure. |
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*/ |
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const FAILURE_BACKOFF = HOUR_IN_SECONDS; |
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|
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/** |
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* Static variable to track if the feed has been displayed |
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*/ |
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private static $feed_displayed = false; |
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|
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/** |
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* Feeds constructor. |
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*/ |
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public function __construct($settings = null) { |
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$this->settings = $settings ?: [ |
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'feed_title' => 'BdThemes News & Updates', |
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'transient_key' => 'bdthemes_product_feeds', |
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'feed_link' => 'https://bdthemes.com/feed', |
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'text_domain' => 'ultimate-store-kit', |
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'footer_links' => [ |
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[ |
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'url' => 'https://bdthemes.com/blog/', |
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'title' => 'Blog', |
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], |
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[ |
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'url' => 'https://bdthemes.com/knowledge-base/', |
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'title' => 'Docs', |
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], |
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[ |
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'url' => 'https://store.bdthemes.com/', |
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'title' => 'Get Pro', |
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], |
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[ |
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'url' => 'https://feedback.elementpack.pro/announcements/', |
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'title' => 'Changelog', |
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], |
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], |
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]; |
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add_action('wp_dashboard_setup', [$this, 'register_rss_feeds']); |
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} |
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|
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/** |
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* Register RSS Feeds for Element Pack |
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*/ |
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public function register_rss_feeds() { |
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if (self::$feed_displayed) { |
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/** |
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* If the feed has already been displayed, do not add it again |
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*/ |
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return; |
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} |
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|
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wp_add_dashboard_widget( |
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'bdt-dashboard-overview', |
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esc_html($this->settings['feed_title']), |
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[$this, 'display_rss_feeds_content'], |
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null, |
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null, |
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'column4', |
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'core' |
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); |
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|
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/** |
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* Mark the feed as displayed |
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*/ |
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self::$feed_displayed = true; |
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} |
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|
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/** |
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* Display RSS Feeds Content |
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*/ |
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public function display_rss_feeds_content() { |
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echo wp_kses_post($this->get_rss_posts_data()); |
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} |
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|
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|
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/** |
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* Get RSS Posts Data |
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* |
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* @return string |
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*/ |
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private function get_rss_posts_data() { |
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// Written out in full rather than concatenated so the prefix is visible to |
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// static analysis. The resolved key is byte-identical to the previous |
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// $this->settings['transient_key'] . '_rss', so no cached data is orphaned. |
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$transient_key = 'bdthemes_product_feeds_rss'; |
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$transient_failed_key = 'bdthemes_product_feeds_rss_failed'; |
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$cached_data = get_transient($transient_key); |
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|
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if (! empty($cached_data)) { |
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/** |
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* Decode as associative array |
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*/ |
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$rss_items = json_decode($cached_data, true); |
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|
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if (! is_array($rss_items)) { |
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$rss_items = []; |
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} |
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} elseif (get_transient($transient_failed_key)) { |
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/** |
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* A recent fetch failed, so skip the blocking request entirely. |
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*/ |
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$rss_items = []; |
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} else { |
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include_once ABSPATH . WPINC . '/feed.php'; |
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|
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add_action('wp_feed_options', [$this, 'set_feed_timeout']); |
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$rss = fetch_feed($this->settings['feed_link']); |
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remove_action('wp_feed_options', [$this, 'set_feed_timeout']); |
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|
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if (is_wp_error($rss)) { |
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set_transient($transient_failed_key, 1, self::FAILURE_BACKOFF); |
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return '<li>' . esc_html__('Items Not Found', 'ultimate-store-kit') . '.</li>'; |
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} |
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|
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$maxitems = $rss->get_item_quantity(5); |
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$rss_items = $rss->get_items(0, $maxitems); |
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|
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/** |
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* Convert RSS items to a simpler array to avoid serialization issues |
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*/ |
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$simplified_rss_items = array_map(function ($item) { |
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return [ |
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'title' => $item->get_title(), |
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'link' => $item->get_permalink(), |
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'date' => $item->get_date('U'), |
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'content' => $item->get_content(), |
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]; |
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}, $rss_items); |
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|
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set_transient($transient_key, json_encode($simplified_rss_items), 6 * HOUR_IN_SECONDS); |
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$rss_items = $simplified_rss_items; |
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} |
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|
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ob_start(); |
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?> |
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<div class="bdt-widget"> |
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<ul> |
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<?php if (empty($rss_items)) : ?> |
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<li><?php esc_html_e('Items Not Found', 'ultimate-store-kit'); ?>.</li> |
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<?php else : ?> |
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<?php foreach ($rss_items as $item) : ?> |
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<li> |
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<a target="_blank" href="<?php echo esc_url($item['link']); ?>" |
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title="<?php echo esc_html($item['date']); ?>"> |
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<?php if ($this->is_feed_item_new($item['date'])) : ?> |
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<span class="bdt-feed-badge bdt-feed-badge--new"><?php esc_html_e('New', 'ultimate-store-kit'); ?></span> |
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<?php endif; ?> |
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<?php echo esc_html($item['title']); ?> |
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</a> |
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<span class="bdt-date" style="display: block; margin: 0;"> |
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<?php echo esc_html(human_time_diff($item['date'], current_time('timestamp')) . ' ' . __('ago', 'ultimate-store-kit')); ?> |
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</span> |
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<div class="bdt-summary"> |
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<?php echo esc_html(wp_html_excerpt($item['content'], 120) . ' [...]'); ?> |
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</div> |
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</li> |
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<?php endforeach; ?> |
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<?php endif; ?> |
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</ul> |
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</div> |
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<p class="community-events-footer" style="margin: 12px -12px 6px -12px; padding: 12px 12px 0px;"> |
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<?php |
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foreach ($this->settings['footer_links'] as $link) { |
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printf( |
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'<a href="%s" target="_blank">%s <span class="screen-reader-text"> (opens in a new tab)</span><span aria-hidden="true" class="dashicons dashicons-external"></span></a>', |
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esc_url($link['url']), |
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esc_html($link['title']) |
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); |
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|
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if (next($this->settings['footer_links'])) { |
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echo ' | '; |
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} |
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} |
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?> |
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</p> |
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<?php |
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return ob_get_clean(); |
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} |
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|
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/** |
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* Keep SimplePie's socket timeout in line with our own limit. |
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* |
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* @param object $feed SimplePie instance. |
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* @return void |
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*/ |
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public function set_feed_timeout($feed) { |
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$feed->set_timeout(self::REQUEST_TIMEOUT); |
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} |
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|
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/** |
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* Check if a feed item is "new" (published within the last 7 days). |
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* |
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* @param int|string $date Unix timestamp. |
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* @return bool |
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*/ |
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private function is_feed_item_new($date) { |
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$timestamp = is_numeric($date) ? (int) $date : strtotime($date); |
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if (! $timestamp) { |
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return false; |
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} |
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$cutoff = time() - (7 * DAY_IN_SECONDS); |
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return $timestamp >= $cutoff; |
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} |
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} |
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|
