protected function build()
{
$meta = array();
// The content's intro is optional. In WordPress, it's a post's
// excerpt. It's an introduction to the article.
if ($this->content_intro()) {
$meta['excerpt'] = $this->content_intro();
}
// If the content has a cover, use it as thumb.
if ($this->content_cover()) {
if ('yes' === $this->get_setting('use_remote_images')) {
$thumb_url = $this->content_cover();
} else {
$filename = \Apple_News::get_filename($this->content_cover());
$thumb_url = 'bundle://' . $filename;
}
$meta['thumbnailURL'] = $thumb_url;
}
// Add date fields.
// We need to get the WordPress post for this
// since the date functions are inconsistent.
$post = get_post($this->content_id());
if (!empty($post)) {
$post_date = date('c', strtotime(get_gmt_from_date($post->post_date)));
$post_modified = date('c', strtotime(get_gmt_from_date($post->post_modified)));
$meta['dateCreated'] = $post_date;
$meta['dateModified'] = $post_modified;
$meta['datePublished'] = $post_date;
}
// Add canonical URL.
$meta['canonicalURL'] = get_permalink($this->content_id());
// Add plugin information to the generator metadata
$plugin_data = apple_news_get_plugin_data();
// Add generator information
$meta['generatorIdentifier'] = sanitize_title_with_dashes($plugin_data['Name']);
$meta['generatorName'] = $plugin_data['Name'];
$meta['generatorVersion'] = $plugin_data['Version'];
return apply_filters('apple_news_metadata', $meta, $this->content_id());
}
