/**
* Generates the shortlink for the post specified by $post_id.
*
* @since 0.1
*
* @param int $post_id The post ID we need a shortlink for.
*
* @return bool|string Returns the shortlink on success.
*/
function wpbitly_generate_shortlink($post_id)
{
$wpbitly = wpbitly();
// Avoid creating shortlinks during an autosave
if (defined('DOING_AUTOSAVE') && DOING_AUTOSAVE) {
return;
}
// or for revisions
if (wp_is_post_revision($post_id)) {
return;
}
// Token hasn't been verified, bail
if (!$wpbitly->get_option('authorized')) {
return;
}
// Verify this is a post we want to generate short links for
if (!in_array(get_post_type($post_id), $wpbitly->get_option('post_types')) || !in_array(get_post_status($post_id), array('publish', 'future', 'private'))) {
return;
}
// We made it this far? Let's get a shortlink
$permalink = get_permalink($post_id);
$shortlink = get_post_meta($post_id, '_wpbitly', true);
$token = $wpbitly->get_option('oauth_token');
if (!empty($shortlink)) {
$url = sprintf(wpbitly_api('expand'), $token, $shortlink);
$response = wpbitly_get($url);
wpbitly_debug_log($response, '/expand/');
if ($permalink == $response['data']['expand'][0]['long_url']) {
return $shortlink;
}
}
$url = sprintf(wpbitly_api('shorten'), $token, urlencode($permalink));
$response = wpbitly_get($url);
wpbitly_debug_log($response, '/shorten/');
if (is_array($response)) {
$shortlink = $response['data']['url'];
update_post_meta($post_id, '_wpbitly', $shortlink);
}
return $shortlink;
}
/**
* Handles the display of the metabox.
*
* @since 2.0
*
* @param object $post WordPress passed $post object
* @param array $args Passed by our call to add_meta_box(), just the $shortlink in this case.
*/
public function display_metabox($post, $args)
{
$wpbitly = wpbitly();
$shortlink = $args['args'][0];
// Look for a clicks response
$url = sprintf(wpbitly_api('link/clicks'), $wpbitly->get_option('oauth_token'), $shortlink);
$response = wpbitly_get($url);
if (is_array($response)) {
$clicks = $response['data']['link_clicks'];
}
// Look for referring domains metadata
$url = sprintf(wpbitly_api('link/refer'), $wpbitly->get_option('oauth_token'), $shortlink);
$response = wpbitly_get($url);
if (is_array($response)) {
$refer = $response['data']['referring_domains'];
}
echo '<label class="screen-reader-text" for="new-tag-post_tag">' . __('Bitly Statistics', 'wp-bitly') . '</label>';
if (isset($clicks) && isset($refer)) {
echo '<p>' . __('Global click through:', 'wp-bitly') . ' <strong>' . $clicks . '</strong></p>';
if (!empty($refer)) {
echo '<h4 style="padding-bottom: 3px; border-bottom: 4px solid #eee;">' . __('Your link was shared on', 'wp-bitly') . '</h4>';
foreach ($refer as $domain) {
if (isset($domain['url'])) {
printf('<a href="%1$s" target="_blank" title="%2$s">%2$s</a> (%3$d)<br>', $domain['url'], $domain['domain'], $domain['clicks']);
} else {
printf('<strong>%1$s</strong> (%2$d)<br>', $domain['domain'], $domain['clicks']);
}
}
}
} else {
echo '<p class="error">' . __('There was a problem retrieving information about your link. There may be no statistics yet.', 'wp-bitly') . '</p>';
}
}