/**
* Function to return relevant info for a given permalink for the Related Content index
*
* @return page info in JSON
*/
public static function permalink_info()
{
global $wpdb, $post;
// Input Params
$permalink = isset($_GET['permalink']) ? $_GET['permalink'] : NULL;
$body_text = isset($_GET['body_text']) ? $_GET['body_text'] : "raw";
if ($permalink == NULL) {
return;
}
// Get post ID
$post_id = url_to_postid($permalink);
// for non-default paths - handle both https and http versions of the permalink
if ($post_id == 0) {
$parse = parse_url($permalink);
if ($parse['scheme'] == "https") {
$permalink = str_replace("https", "http", $permalink);
$post_id = url_to_postid($permalink);
} else {
if ($parse['scheme'] == "http") {
$permalink = str_replace("http", "https", $permalink);
$post_id = url_to_postid($permalink);
}
}
}
if ($post_id == 0) {
return;
}
// Get post for given ID
$post = get_post($post_id);
if ($post->post_status != 'publish' || $post->post_password != '') {
return;
}
// Post tags
$tags = ShareaholicUtilities::permalink_keywords($post_id);
// Post categories
$categories = array();
$categories_array = get_the_category($post_id);
if ($categories_array) {
foreach ($categories_array as $category) {
if ($category->cat_name != "Uncategorized") {
$category_name = ShareaholicUtilities::normalize_keywords($category->cat_name);
array_push($categories, $category_name);
}
}
}
// Post body
$order = array(" ", "\r\n", "\n", "\r", " ");
$post_body = str_replace($order, ' ', $post->post_content);
if ($body_text == "clean") {
$post_body = strip_tags($post_body);
} elseif ($body_text == "raw" || $body_text == NULL) {
$post_body = $post_body;
}
// Get post author name
if ($post->post_author) {
$author_data = get_userdata($post->post_author);
$author_name = $author_data->display_name;
}
// Term frequencies
// $term_frequency_title = array_count_values(str_word_count(strtolower(strip_tags($post->post_title)), 1));
$term_frequency_body = array_count_values(str_word_count(strtolower(strip_tags($post_body)), 1));
$term_frequency = $term_frequency_body;
arsort($term_frequency);
// Construct array
$info = array('permalink' => $permalink, 'domain' => get_bloginfo('url'), 'site_id' => ShareaholicUtilities::get_option('api_key'), 'content' => array('title' => $post->post_title, 'excerpt' => $post->post_excerpt, 'body' => $post_body, 'thumbnail' => ShareaholicUtilities::permalink_thumbnail($post->ID, "large")), 'post_metadata' => array('author_id' => $post->post_author, 'author_name' => $author_name, 'post_type' => $post->post_type, 'post_id' => $post_id, 'post_tags' => $tags, 'post_categories' => $categories, 'post_language' => get_bloginfo('language'), 'post_published' => date('c', strtotime($post->post_date_gmt)), 'post_updated' => date('c', strtotime(get_lastpostmodified('GMT'))), 'post_visibility' => $post->post_status), 'post_stats' => array('post_comments_count' => get_comments_number($post_id), 'post_content_title_character_count' => strlen(trim(html_entity_decode($post->post_title))), 'post_content_title_word_count' => str_word_count(strip_tags($post->post_title)), 'post_content_body_character_count' => strlen(trim(html_entity_decode($post_body))), 'post_content_body_word_count' => str_word_count(strip_tags($post_body)), 'term_frequency' => $term_frequency), 'diagnostics' => array('platform' => 'wp', 'platform_version' => get_bloginfo('version'), 'plugin_version' => Shareaholic::VERSION));
header('Content-Type: application/json; charset=utf-8');
echo json_encode($info);
exit;
}
/**
* Function to return a list of permalink keywords
*
* @return list of keywords for the given permalink in an array
*/
public static function permalink_keywords($post_id = NULL)
{
global $post;
$keywords = '';
if ($post_id != NULL) {
$id = $post_id;
} else {
$id = $post->ID;
}
// Get post tags
$keywords = implode(', ', wp_get_post_tags($id, array('fields' => 'names')));
// Support for "All in One SEO Pack" plugin keywords
if (get_post_meta($id, '_aioseop_keywords') != NULL) {
$keywords .= ', ' . stripslashes(get_post_meta($id, '_aioseop_keywords', true));
}
// Support for "WordPress SEO by Yoast" plugin keywords
if (get_post_meta($id, '_yoast_wpseo_focuskw') != NULL) {
$keywords .= ', ' . stripslashes(get_post_meta($id, '_yoast_wpseo_focuskw', true));
}
if (get_post_meta($id, '_yoast_wpseo_metakeywords') != NULL) {
$keywords .= ', ' . stripslashes(get_post_meta($id, '_yoast_wpseo_metakeywords', true));
}
// Support for "Add Meta Tags" plugin keywords
if (get_post_meta($id, '_amt_keywords') != NULL) {
$keywords .= ', ' . stripslashes(get_post_meta($id, '_amt_keywords', true));
}
if (get_post_meta($id, '_amt_news_keywords') != NULL) {
$keywords .= ', ' . stripslashes(get_post_meta($id, '_amt_news_keywords', true));
}
// Encode, lowercase & trim appropriately
$keywords = ShareaholicUtilities::normalize_keywords($keywords);
// Unique keywords
$keywords_array = array();
$keywords_array = explode(', ', $keywords);
$keywords_array = array_unique($keywords_array);
if (empty($keywords_array[0])) {
return array();
} else {
return $keywords_array;
}
}
