/**
* Hook into admin AJAX to delete a link
*
* @access public
* @return void
*/
public function run()
{
// id,
if (!isset($_POST['id'])) {
exit;
}
// Post id into $post_id
$post_id = $_POST['id'];
// Check nonce
check_ajax_referer('rp4wp-ajax-nonce-omgrandomword', 'nonce');
// Check if user is allowed to do this
if (!current_user_can('edit_posts')) {
return;
}
// Load post
$target_post = get_post($post_id);
// Only delete post type we control
if ($target_post->post_type != RP4WP_Constants::LINK_PT) {
return;
}
// Delete link
$post_link_manager = new RP4WP_Post_Link_Manager();
$post_link_manager->delete($target_post->ID);
// Generate JSON response
$response = json_encode(array('success' => true));
header('Content-Type: application/json');
echo $response;
// Bye
exit;
}
/**
* Handle the bulk creation of links
*/
private function handle_bulk_link()
{
if (isset($_POST['rp4wp_bulk']) && isset($_GET['rp4wp_parent'])) {
// Get parent
$parent = $_GET['rp4wp_parent'];
// Check if user is allowed to do this
$this->check_if_allowed();
// Post Link Manager
$post_link_manager = new RP4WP_Post_Link_Manager();
if (count($_POST['rp4wp_bulk']) > 0) {
foreach ($_POST['rp4wp_bulk'] as $bulk_post) {
// Create link
$post_link_manager->add($parent, $bulk_post);
}
}
// Send back
$redirect_url = get_admin_url() . "post.php?post={$parent}&action=edit";
// WPML check
if (isset($_GET['lang'])) {
$redirect_url .= "&lang=" . $_GET['lang'];
}
wp_redirect($redirect_url);
exit;
}
}
/**
* Output the shortcode
*
* @since 1.3.0
* @access public
*
*/
public function output($atts)
{
$atts = shortcode_atts(array('id' => get_the_ID(), 'limit' => -1), $atts);
// Post Link Manager
$pl_manager = new RP4WP_Post_Link_Manager();
// Generate the children list
return $pl_manager->generate_children_list($atts['id'], $atts['limit']);
}
/**
* Output the shortcode
*
* @since 1.3.0
* @access public
*
*/
public function output()
{
// Get the current ID
$id = get_the_ID();
// Post Link Manager
$pl_manager = new RP4WP_Post_Link_Manager();
// Generate the children list
echo $pl_manager->generate_children_list($id);
}
/**
* Metabox content
*
* @access public
* @return void
*/
public function callback($post)
{
echo "<div class='rp4wp_mb_manage'>\n";
// Add nonce
echo "<input type='hidden' name='rp4wp-ajax-nonce' id='rp4wp-ajax-nonce' value='" . wp_create_nonce('rp4wp-ajax-nonce-omgrandomword') . "' />\n";
// Output plugin URL in hidden val
echo "<input type='hidden' name='rp4wp-dir-img' id='rp4wp-dir-img' value='" . plugins_url('/assets/images/', RP4WP::get_plugin_file()) . "' />\n";
// Create a Post Link Manager object
$post_link_manager = new RP4WP_Post_Link_Manager();
// Get the children
$children = $post_link_manager->get_children($post->ID);
echo "<div class='rp4wp_button_holder'>\n";
// Build the related post link
$url = get_admin_url() . "admin.php?page=rp4wp_link_related&rp4wp_parent=" . $post->ID;
// WPML check
if (isset($_GET['lang'])) {
$url .= "&lang=" . $_GET['lang'];
}
echo "<span id='view-post-btn'>";
echo "<a href='" . $url . "' class='button button-primary'>";
_e('Add Related Posts', 'related-posts-for-wp');
echo "</a>";
echo "</span>\n";
echo "</div>\n";
if (count($children) > 0) {
// Managet table
echo "<table class='wp-list-table widefat fixed pages rp4wp_table_manage sortable'>\n";
echo "<tbody>\n";
$i = 0;
foreach ($children as $link_id => $child) {
$child_id = $child->ID;
$edit_url = get_admin_url() . "post.php?post={$child_id}&action=edit&rp4wp_parent={$post->ID}";
echo "<tr id='{$link_id}'>\n";
echo "<td>";
echo "<strong><a href='{$edit_url}' class='row-title' title='{$child->post_title}'>{$child->post_title}</a></strong>\n";
echo "<div class='row-actions'>\n";
echo "<span class='edit'><a href='{$edit_url}' title='" . __('Edit Post', 'related-posts-for-wp') . "'>";
_e('Edit Post', 'related-posts-for-wp');
echo "</a> | </span>";
echo "<span class='trash'><a class='submitdelete' title='" . __('Unlink Related Post', 'related-posts-for-wp') . "' href='javascript:;'>";
_e('Unlink Related Post', 'related-posts-for-wp');
echo "</a></span>";
echo "</div>\n";
echo "</td>\n";
echo "</tr>\n";
$i++;
}
echo "</tbody>\n";
echo "</table>\n";
} else {
echo '<br/>';
_e('No related posts found.', 'related-posts-for-wp');
}
// Reset Post Data
wp_reset_postdata();
echo "</div>\n";
}
/**
* Link x related posts to post
*
* @param $post_id
* @param $amount
*
* @return boolean
*/
public function link_related_post($post_id, $amount)
{
$related_posts = $this->get_related_posts($post_id, $amount);
if (count($related_posts) > 0) {
$post_link_manager = new RP4WP_Post_Link_Manager();
foreach ($related_posts as $related_post) {
$post_link_manager->add($post_id, $related_post->ID);
}
}
update_post_meta($post_id, RP4WP_Constants::PM_POST_AUTO_LINKED, 1);
return true;
}
function get_related_posts($id = NULL)
{
// Get the current ID if ID not set
if (!$id) {
$id = get_the_ID();
}
// Post Link Manager
$pl_manager = new RP4WP_Post_Link_Manager();
// Get list of related posts
$related_posts = $pl_manager->get_children($id);
ob_start();
include 'templates/related-posts.php';
return ob_get_clean();
}
/**
* Generate the Related Posts for WordPress children list
*
* @param bool $id
* @param bool $output
*
* @since 1.0.0
* @access public
*
* @return string
*/
function rp4wp_children($id = false, $output = true)
{
// Get the current ID if ID not set
if (false === $id) {
$id = get_the_ID();
}
// Post Link Manager
$pl_manager = new RP4WP_Post_Link_Manager();
// Generate the children list
$content = $pl_manager->generate_children_list($id);
// Output or return the content
if ($output) {
echo $content;
} else {
return $content;
}
}
public function widget($args, $instance)
{
// Get the current ID
$id = get_the_ID();
// Not on frontpage please
if (is_front_page() && false === is_page()) {
return;
}
// Post Link Manager
$pl_manager = new RP4WP_Post_Link_Manager();
// Get content
$widget_content = $pl_manager->generate_children_list($id);
// Only display if there's content
if ('' != $widget_content) {
// Output the widget
echo $args['before_widget'];
echo $widget_content;
echo $args['after_widget'];
}
}
public function run($new_status, $old_status, $post)
{
// verify this is not an auto save routine.
if (defined('DOING_AUTOSAVE') && DOING_AUTOSAVE) {
return;
}
// Post status must be publish
if ('publish' != $new_status) {
return;
}
// Check if this post type is installed
$pt_manager = new RP4WP_Post_Type_Manager();
if (!$pt_manager->is_post_type_installed($post->post_type)) {
return;
}
// Is automatic linking enabled?
if (1 != RP4WP::get()->settings['general_' . $post->post_type]->get_option('automatic_linking')) {
return;
}
// Check if the current post is already auto linked
if (1 != get_post_meta($post->ID, RP4WP_Constants::PM_POST_AUTO_LINKED, true)) {
// Post Link Manager
$pl_manager = new RP4WP_Post_Link_Manager();
// Get automatic linking post amount
$automatic_linking_post_amount = RP4WP::get()->settings['general_' . $post->post_type]->get_option('automatic_linking_post_amount');
// Count already linked posts
$already_linked_posts = $pl_manager->get_children_count($post->ID);
// Subtract already linked post count from posts to link amount
if (count($already_linked_posts) > 0) {
$automatic_linking_post_amount = $automatic_linking_post_amount - $already_linked_posts;
}
// Related Posts Manager
$related_post_manager = new RP4WP_Related_Post_Manager();
// Link related posts
$related_post_manager->link_related_post($post->ID, $post->post_type, $automatic_linking_post_amount);
// Set the auto linked meta
update_post_meta($post->ID, RP4WP_Constants::PM_POST_AUTO_LINKED, 1);
}
}
/**
* the_content filter that will add linked posts to the bottom of the main post content
*
* @param $content
*
* @return string
*/
public function run($content)
{
/**
* Wow, what's going on here?! Well, setup_postdata() sets a lot of variables but does not change the $post variable.
* All checks return the main queried ID but we want to check if this specific filter call is the for the 'main' content.
* The method setup_postdata() does global and set the $id variable, so we're checking that.
*/
global $id;
// Only run on single
if (!is_singular() || !is_main_query() || $id != get_queried_object_id()) {
return $content;
}
// Allow disabling content filter
if (false === apply_filters('rp4wp_append_content', true)) {
return $content;
}
// Post Link Manager
$pl_manager = new RP4WP_Post_Link_Manager();
// Generate the content
$content .= $pl_manager->generate_children_list($id);
// Return content
return $content;
}
/**
* Link x related posts to post
*
* @param $post_id
* @param $amount
*
* @return boolean
*/
public function link_related_post($post_id, $amount)
{
$related_posts = $this->get_related_posts($post_id, $amount);
if (count($related_posts) > 0) {
global $wpdb;
$post_link_manager = new RP4WP_Post_Link_Manager();
$batch_data = array();
foreach ($related_posts as $related_post) {
$batch_data[] = $post_link_manager->add($post_id, $related_post->ID, true);
}
// Do batch insert
$wpdb->query("INSERT INTO `{$wpdb->posts}`\n\t\t\t\t\t\t(`post_date`,`post_date_gmt`,`post_content`,`post_title`,`post_type`,`post_status`)\n\t\t\t\t\t\tVALUES\n\t\t\t\t\t\t" . implode(',', array_map(array($this, 'batch_data_get_post'), $batch_data)) . "\n\t\t\t\t\t\t");
// Get the first post link insert ID
$pid = $wpdb->insert_id;
// Set the correct ID's for batch meta insert
foreach ($batch_data as $bk => $bd) {
$batch_data[$bk]['meta'] = array_map(array($this, 'batch_data_set_pid'), $bd['meta'], array_fill(0, count($bd['meta']), $pid));
$pid++;
}
// Insert all the meta
$wpdb->query("INSERT INTO `{$wpdb->postmeta}`\n\t\t\t\t(`post_id`,`meta_key`,`meta_value`)\n\t\t\t\tVALUES\n\t\t\t\t" . implode(',', array_map(array($this, 'batch_data_get_meta'), $batch_data)) . "\n\t\t\t\t");
}
update_post_meta($post_id, RP4WP_Constants::PM_POST_AUTO_LINKED, 1);
return true;
}
/**
* Generate the related posts list
*
* @param int $post_id
* @param string $template
* @param int $limit
*
* @return string
*/
public function generate_related_posts_list($post_id, $template = 'related-posts-default.php', $limit = -1)
{
// the output
$output = '';
// get the post type
$post_type = get_post_type($post_id);
// The settings object
$pt_settings = RP4WP()->settings['general_' . $post_type];
// Post Link Manager
$pl_manager = new RP4WP_Post_Link_Manager();
// Get the children
$related_posts = $pl_manager->get_children($post_id, array('posts_per_page' => $limit));
// Count
if (count($related_posts) > 0) {
// Manager Template
$manager_template = new RP4WP_Manager_Template();
// Load the template output
ob_start();
$manager_template->get_template($template, array('related_posts' => $related_posts, 'heading_text' => $pt_settings->get_option('heading_text'), 'excerpt_length' => $pt_settings->get_option('excerpt_length'), 'post_type' => $post_type));
$output = trim(ob_get_clean());
}
return $output;
}
