/**
* Update post meta field based on post ID.
*
* Use the $prev_value parameter to differentiate between meta fields with the
* same key and post ID.
*
* If the meta field for the post does not exist, it will be added.
*
* @since 1.5.0
* @uses $nxtdb
* @link http://codex.nxtclass.org/Function_Reference/update_post_meta
*
* @param int $post_id Post ID.
* @param string $meta_key Metadata key.
* @param mixed $meta_value Metadata value.
* @param mixed $prev_value Optional. Previous value to check before removing.
* @return bool False on failure, true if success.
*/
function update_post_meta($post_id, $meta_key, $meta_value, $prev_value = '')
{
// make sure meta is added to the post, not a revision
if ($the_post = nxt_is_post_revision($post_id)) {
$post_id = $the_post;
}
return update_metadata('post', $post_id, $meta_key, $meta_value, $prev_value);
}
function anon_meta_save_as_revision($revision_id)
{
$old_meta = get_post_meta(nxt_is_post_revision($revision_id), '_nxtw_anon_meta', true);
if (!empty($old_meta)) {
add_metadata('post', $revision_id, '_nxtw_anon_meta', $old_meta);
delete_post_meta(nxt_is_post_revision($revision_id), '_nxtw_anon_meta', $old_meta);
}
}
/**
* Updates the YouTube playlist with the videos found in the just-saved post.
*
* @param int $post_id the ID of the just-saved post
*
* @access private
* @since 0.1
*/
public function _update_videos_on_post_save($post_id)
{
global $nxtdb, $blog_id;
// Ignore post revisions, but remove videos associated with any posts
// that are not publicly visible
$post = get_post($post_id);
if (nxt_is_post_revision($post_id)) {
return;
}
if ($post->post_status != "publish") {
$this->_update_videos_on_post_delete($post_id);
return;
}
// Determine which videos were previously used in the post content but
// are no longer present
$current_videos = $this->_find_video_ids_in_post_content($post->post_content);
$previous_videos = $nxtdb->get_col($nxtdb->prepare("\n\t\t\tSELECT v.youtube_id FROM {$this->tables->video_usage} AS vu, {$this->tables->videos} AS v\n\t\t\tWHERE vu.blog_id = %d AND vu.post_id = %d AND vu.video_id = v.id", $blog_id, $post_id));
$unused_videos = array_values(array_diff($previous_videos, $current_videos));
// Update our local video usage records
foreach ($current_videos as $video) {
$this->_add_video_usage($video, $post_id, $blog_id);
$this->_retrieve_queued_video_info();
}
foreach ($unused_videos as $video) {
$this->_remove_video_usage($video, $post_id, $blog_id);
}
}
/**
* Retrieve formatted date timestamp of a revision (linked to that revisions's page).
*
* @package NXTClass
* @subpackage Post_Revisions
* @since 2.6.0
*
* @uses date_i18n()
*
* @param int|object $revision Revision ID or revision object.
* @param bool $link Optional, default is true. Link to revisions's page?
* @return string i18n formatted datetimestamp or localized 'Current Revision'.
*/
function nxt_post_revision_title($revision, $link = true)
{
if (!($revision = get_post($revision))) {
return $revision;
}
if (!in_array($revision->post_type, array('post', 'page', 'revision'))) {
return false;
}
/* translators: revision date format, see http://php.net/date */
$datef = _x('j F, Y @ G:i', 'revision date format');
/* translators: 1: date */
$autosavef = __('%1$s [Autosave]');
/* translators: 1: date */
$currentf = __('%1$s [Current Revision]');
$date = date_i18n($datef, strtotime($revision->post_modified));
if ($link && current_user_can('edit_post', $revision->ID) && ($link = get_edit_post_link($revision->ID))) {
$date = "<a href='{$link}'>{$date}</a>";
}
if (!nxt_is_post_revision($revision)) {
$date = sprintf($currentf, $date);
} elseif (nxt_is_post_autosave($revision)) {
$date = sprintf($autosavef, $date);
}
return $date;
}
/**
* Monitors updates to all post tables and updates the sitewide posts table
* based on the status of the post.
*
* This does not actually perform any modifications to the sitewide posts
* table, as such actions are delegated to various other functions that
* handle addition, deletion or modification.
*
* @param int $post_id the ID of the post being modified
*
* @access private
* @since 0.2
*/
public function _track_single_post($post_id)
{
global $blog_id;
// Abort early if the post is a revision or an initial default post
$post = get_post($post_id);
if (nxt_is_post_revision($post_id) || $this->_content_is_initial_for_user($post->post_date_gmt, $post->post_author)) {
return;
}
// Abort if the post is anything besides a post, such as an attachment
// or a page
if ($post->post_type !== 'post') {
return;
}
// If the post is being published, update its sitewide record, and remove
// it from the sitewide table if it is no longer visible to the public,
// either due to a change of status or outright deletion
$this->clear_site_cache();
switch (get_post_status($post_id)) {
case 'publish':
$this->_update_sw_post($blog_id, $post_id);
break;
default:
$this->_delete_sw_post($blog_id, $post_id);
}
}
