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<?php |
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|
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class LSD_Feed extends LSD_Base |
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{ |
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private const DEFAULT_FEED_NAME = 'listdom-listings'; |
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|
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public function init() |
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{ |
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add_action('init', [$this, 'register']); |
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} |
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|
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public static function feed_name(): string |
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{ |
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$settings = LSD_Options::settings(); |
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|
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$feed_name = $settings['rss_slug'] ?? self::DEFAULT_FEED_NAME; |
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$feed_name = sanitize_title($feed_name); |
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if ($feed_name === '') $feed_name = self::DEFAULT_FEED_NAME; |
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|
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return apply_filters('lsd_listings_feed_name', $feed_name); |
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} |
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|
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public static function feed_url(): string |
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{ |
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return get_feed_link(self::feed_name()); |
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} |
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|
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public function register() |
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{ |
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if (!$this->is_enabled()) return; |
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|
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add_feed(self::feed_name(), [$this, 'render']); |
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add_action('pre_get_posts', [$this, 'pre_get_posts']); |
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add_action('wp_head', [$this, 'head_link']); |
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add_filter('the_content_feed', [$this, 'filter_content'], 10, 2); |
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add_filter('the_excerpt_rss', [$this, 'filter_excerpt']); |
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} |
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|
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private function is_enabled(): bool |
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{ |
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$settings = LSD_Options::settings(); |
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|
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return !isset($settings['rss_status']) || $settings['rss_status']; |
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} |
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|
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public function render() |
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{ |
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if (!$this->is_enabled()) |
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{ |
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status_header(404); |
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exit; |
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} |
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|
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if (!$this->matches_preferred_path()) |
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{ |
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status_header(404); |
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exit; |
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} |
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|
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do_feed_rss2(false); |
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} |
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|
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public function pre_get_posts($query) |
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{ |
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if (!$this->is_enabled()) return; |
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if (!($query instanceof WP_Query)) return; |
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if (is_admin() || !$query->is_main_query() || !$query->is_feed()) return; |
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|
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$feed = $query->get('feed'); |
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if ($feed !== self::feed_name()) return; |
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|
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$query->set('post_type', LSD_Base::PTYPE_LISTING); |
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$query->set('post_status', 'publish'); |
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$query->set('orderby', 'date'); |
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$query->set('order', 'DESC'); |
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$query->set('ignore_sticky_posts', 1); |
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|
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$per_page = absint(get_option('posts_per_rss')); |
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$per_page = (int) apply_filters('lsd_listings_feed_posts_per_page', $per_page); |
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if ($per_page <= 0) $per_page = absint(get_option('posts_per_page')); |
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|
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if ($per_page > 0) |
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{ |
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$query->set('posts_per_rss', $per_page); |
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$query->set('posts_per_page', $per_page); |
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} |
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} |
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|
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public function head_link() |
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{ |
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if (!$this->is_enabled()) return; |
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|
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$url = self::feed_url(); |
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$title = sprintf( |
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/* translators: 1: Site title. */ |
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esc_html__('%s Listings Feed', 'listdom'), |
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get_bloginfo('name') |
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); |
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|
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$title = apply_filters('lsd_listings_feed_headline', $title, $url); |
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|
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echo '<link rel="alternate" type="application/rss+xml" title="' . esc_attr($title) . '" href="' . esc_url($url) . '">' . "\n"; |
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} |
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|
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public function filter_content($content, $feed_type): string |
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{ |
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if (!is_feed(self::feed_name())) return $content; |
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|
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return $this->append_details($content, true); |
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} |
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|
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public function filter_excerpt($content): string |
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{ |
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if (!is_feed(self::feed_name())) return $content; |
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|
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return $this->append_details($content, false); |
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} |
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|
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private function append_details(string $content, bool $allow_html): string |
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{ |
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global $post; |
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if (!$post instanceof WP_Post || $post->post_type !== LSD_Base::PTYPE_LISTING) return $content; |
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|
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$content = trim($content); |
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if ($content === '') |
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{ |
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$excerpt = get_post_field('post_excerpt', $post->ID); |
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if (is_string($excerpt) && trim($excerpt) !== '') |
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{ |
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$excerpt = trim($excerpt); |
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if ($allow_html) $content = '<p>' . esc_html($excerpt) . '</p>'; |
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else $content = wp_strip_all_tags($excerpt); |
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} |
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} |
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|
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$details = $allow_html ? $this->details_html($post) : $this->details_text($post); |
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if ($details === '') return $content; |
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|
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if ($content === '') return $details; |
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if ($allow_html) return $content . "\n" . $details; |
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|
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return $content . "\n\n" . $details; |
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} |
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|
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private function matches_preferred_path(): bool |
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{ |
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$feed_base = isset($GLOBALS['wp_rewrite']->feed_base) ? (string) $GLOBALS['wp_rewrite']->feed_base : 'feed'; |
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$feed_name = self::feed_name(); |
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|
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// Support query-string based feeds to avoid breaking backwards compatibility. |
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if (isset($_GET['feed']) && sanitize_title($_GET['feed']) === $feed_name) return true; |
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|
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$request_uri = isset($_SERVER['REQUEST_URI']) ? wp_parse_url((string) $_SERVER['REQUEST_URI'], PHP_URL_PATH) : ''; |
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if (!is_string($request_uri)) return true; |
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|
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$request_uri = trim($request_uri, '/'); |
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if ($request_uri === '') return true; |
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|
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$segments = explode('/', $request_uri); |
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$base_index = array_search($feed_base, $segments, true); |
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if ($base_index === false) return false; |
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|
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return isset($segments[$base_index + 1]) && $segments[$base_index + 1] === $feed_name; |
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} |
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|
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private function details_html(WP_Post $post): string |
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{ |
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$details = $this->collect_details($post); |
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if (!$details) return ''; |
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|
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$lines = []; |
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foreach ($details as $detail) |
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{ |
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$value = $detail['value']; |
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if (!empty($detail['is_url'])) $value = '<a href="' . esc_url($value) . '">' . esc_html($value) . '</a>'; |
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else $value = esc_html($value); |
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|
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$lines[] = '<p><strong>' . esc_html($detail['label']) . ':</strong> ' . $value . '</p>'; |
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} |
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|
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return implode("\n", $lines); |
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} |
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|
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private function details_text(WP_Post $post): string |
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{ |
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$details = $this->collect_details($post); |
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if (!$details) return ''; |
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|
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$lines = []; |
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foreach ($details as $detail) |
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{ |
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$value = $detail['value']; |
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if (!empty($detail['is_url'])) $value = esc_url($value); |
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else $value = sanitize_text_field($value); |
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|
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$label = sanitize_text_field($detail['label']); |
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$lines[] = $label . ': ' . $value; |
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} |
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|
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return implode("\n", $lines); |
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} |
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|
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private function collect_details(WP_Post $post): array |
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{ |
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$details = []; |
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$include_sensitive_details = $this->include_sensitive_details($post); |
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|
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$address = get_post_meta($post->ID, 'lsd_address', true); |
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if ($include_sensitive_details && is_string($address) && trim($address) !== '') |
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{ |
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$address_value = sanitize_text_field($address); |
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if ($address_value !== '') |
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{ |
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$details[] = [ |
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'label' => esc_html__('Address', 'listdom'), |
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'value' => $address_value, |
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]; |
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} |
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} |
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|
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if (LSD_Components::pricing()) |
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{ |
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$min_price = get_post_meta($post->ID, 'lsd_price', true); |
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if ($min_price !== '' && $min_price !== null) |
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{ |
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$currency = get_post_meta($post->ID, 'lsd_currency', true); |
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if (!is_string($currency) || trim($currency) === '') $currency = LSD_Options::currency(); |
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|
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$formatter = new LSD_Base(); |
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$price_text = $formatter->render_price($min_price, $currency); |
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|
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$max_price = get_post_meta($post->ID, 'lsd_price_max', true); |
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if (is_string($max_price) && trim($max_price) !== '') |
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{ |
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$price_text .= ' - ' . $formatter->render_price($max_price, $currency); |
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} |
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|
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$price_after = get_post_meta($post->ID, 'lsd_price_after', true); |
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if (is_string($price_after) && trim($price_after) !== '') |
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{ |
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$price_text .= ' / ' . $price_after; |
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} |
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|
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$details[] = [ |
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'label' => esc_html__('Price', 'listdom'), |
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'value' => wp_strip_all_tags($price_text), |
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]; |
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} |
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} |
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|
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$categories = get_the_terms($post, LSD_Base::TAX_CATEGORY); |
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if ($categories && !is_wp_error($categories)) |
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{ |
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$names = array_filter(array_map(static function ($term) |
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{ |
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return isset($term->name) ? sanitize_text_field($term->name) : ''; |
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}, $categories)); |
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|
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if ($names) |
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{ |
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$details[] = [ |
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'label' => esc_html__('Categories', 'listdom'), |
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'value' => implode(', ', $names), |
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]; |
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} |
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} |
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|
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$phone = get_post_meta($post->ID, 'lsd_phone', true); |
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if ($include_sensitive_details && is_string($phone) && trim($phone) !== '') |
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{ |
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$phone_value = sanitize_text_field($phone); |
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if ($phone_value !== '') |
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{ |
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$details[] = [ |
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'label' => esc_html__('Phone', 'listdom'), |
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'value' => $phone_value, |
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]; |
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} |
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} |
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|
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$email = get_post_meta($post->ID, 'lsd_email', true); |
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if ($include_sensitive_details && is_string($email) && trim($email) !== '') |
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{ |
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$email_value = sanitize_email($email); |
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if ($email_value !== '') |
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{ |
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$details[] = [ |
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'label' => esc_html__('Email', 'listdom'), |
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'value' => $email_value, |
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]; |
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} |
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} |
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|
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$website = get_post_meta($post->ID, 'lsd_website', true); |
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if ($include_sensitive_details && is_string($website) && trim($website) !== '') |
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{ |
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$website_value = esc_url_raw($website); |
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if ($website_value !== '') |
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{ |
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$details[] = [ |
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'label' => esc_html__('Website', 'listdom'), |
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'value' => $website_value, |
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'is_url' => true, |
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]; |
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} |
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} |
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|
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return apply_filters('lsd_listings_feed_details', $details, $post); |
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} |
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|
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private function include_sensitive_details(WP_Post $post): bool |
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{ |
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$settings = LSD_Options::settings(); |
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$include = isset($settings['rss_include_sensitive_details']) && $settings['rss_include_sensitive_details']; |
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|
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return (bool) apply_filters('lsd_listings_feed_include_sensitive_details', $include, $post); |
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} |
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} |
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|
