public $ucm_url = '';

public function __construct() {

$this->ucm_url = "http://dtbaker.net/admin/";

//add your actions to the constructor!

add_action( 'wp_title', array( $this, 'ucm_faq_shortcode_page_title' ),100,3 );

add_action( 'wp_head', array( $this, 'ucm_faq_shortcode_wp_head' ) );

add_shortcode( 'ucm_faq', array($this, 'ucm_faq_shortcode_print') );

add_shortcode( 'ucm_faq_item', array($this, 'ucm_faq_shortcode_item_print') );

add_shortcode( 'ucm_faq_search', array($this, 'ucm_faq_shortcode_search_print') );

add_filter('query_vars', array($this, '_add_query_var'));

add_action('init', array($this, '_do_rewrite'));

}

public function _add_query_var($public_query_vars){

$public_query_vars[] = 'ucm_faq_id';

return $public_query_vars;

}

public function _do_rewrite() {

// add_rewrite_tag('%ucm_faq%','([^&]+)');

// add_rewrite_rule('support/faq-knowledge-base/faq_item/faq-([^/]*)$','index.php?pagename=faq-item&ucm_faq=$matches[1]','top');

global $wp,$wp_rewrite;

$rule = '.*faq-item/(\d+)/.*';

// if(!isset($wp_rewrite->rules[$rule]) && !isset($wp_rewrite->extra_rules_top[$rule])){

// $wp->add_query_var('ucm_faq_id');

// echo get_permalink(get_queried_object_id());exit;

//$page = get_page_by_path('faq-item');print_r($page);exit;

// print_r($wp_rewrite->rules);

// print_r($wp_rewrite->extra_rules_top);

$args = array(

'name' => 'faq-item',

'post_type' => 'page'

);

$posts_from_slug = get_posts( $args );

// echo fetched content

//print_r($posts_from_slug[0]);exit;

add_rewrite_rule($rule, 'index.php?page_id='.($posts_from_slug[0]->ID).'&ucm_faq_id=$matches[1]','top');

//$wp_rewrite->add_rule('.*faq-item/faq-(\d+)/', 'index.php?ucm_faq_id=$matches[1]&name=faq-item', 'top');

// Once you get working, remove this next line

// $wp_rewrite->flush_rules(false);

// echo "Added rule!";exit;

// }

if(isset($_REQUEST['dtbakerdebug'])){

global $wp_rewrite,$wp;

print_r($wp_rewrite);

print_r($wp);

}

}

private $_item_cache = array();

private function _current_faq_item(){

// look at the url, check if we're tring to load a faq article or not.

$faq_id = get_query_var('ucm_faq_id'); //isset($_GET['ucm_faq_id']) && (int)$_GET['ucm_faq_id']>0 ? (int)$_GET['ucm_faq_id'] : false;

// $faq_id = isset($_GET['ucm_faq_id']) && (int)$_GET['ucm_faq_id']>0 ? (int)$_GET['ucm_faq_id'] : false;

// global $wp;

// print_r($wp);

// echo $faq_id;exit;

if($faq_id){

if(isset($this->_item_cache[$faq_id])){

return $this->_item_cache[$faq_id];

}

// pull our faq article in using wp_remote_get

$url = $this->ucm_url . 'external/m.faq/h.faq_list_json/?faq_id='.$faq_id.'&plight';

$data = (wp_remote_get($url));

$this->_item_cache[$faq_id] = is_array($data) && isset($data['body']) ? @json_decode($data['body'],true) : array();

return $this->_item_cache[$faq_id];

}

return false;

}

function ucm_faq_shortcode_search_print($args) {

ob_start();

?>

<form action="" method="post"><input type="text" name="faq_search" value="<?php echo isset($_POST['faq_search'])?esc_attr($_POST['faq_search']):'';?>" /> <input type="submit" name="go" value="<?php _e('Search FAQ');?>" /></form>

<?php

return ob_get_clean();

}

function output_faq($faq_item){

if($faq_item && isset($faq_item['question'])){

echo '<h1>'.htmlspecialchars($faq_item['question']).'</h1>';

echo wpautop($faq_item['answer']);

}

}

function ucm_faq_shortcode_item_print($args) {

ob_start();

$faq_item = $this->_current_faq_item();

if($faq_item){

$this->output_faq($faq_item);

}

return ob_get_clean();

}

function ucm_faq_shortcode_print($args) {

ob_start();

$faq_item = $this->_current_faq_item();

if($faq_item){

$this->output_faq($faq_item);

}else{

// get a list of our faq articles by doing wp_remote_get

$url = $this->ucm_url . 'external/m.faq/h.faq_list_json/';

$post_args = array();

if(isset($_REQUEST['faq_product_id']) && (int)$_REQUEST['faq_product_id']>0){

$post_args['faq_product_id'] = (int)$_REQUEST['faq_product_id'];

}else if(isset($args['faq_product_id']) && (int)$args['faq_product_id']){

//$url = add_query_arg('faq_product_id',(int)$args['faq_product_id'], $url);

$post_args['faq_product_id'] = (int)$args['faq_product_id'];

}

if(isset($_POST['faq_search'])){

$post_args['faq_search'] = $_POST['faq_search'];

}

$post_args['plight'] = 1;

$data = wp_remote_post($url,array(

'method' => 'POST',

'timeout' => 10,

'redirection' => 2,

'httpversion' => '1.0',

'blocking' => true,

'headers' => array(),

'body' => $post_args,

'cookies' => array()

));

$faq_listing = is_array($data) && isset($data['body']) ? @json_decode($data['body'],true) : array();

//echo '<h1>'.(isset($args['title'])? $args['title'] : 'FAQ Database').'</h1>';

if($args['link_to_page_id']){

$page_url = get_permalink($args['link_to_page_id']);

}else{

$page_url = get_permalink();

}

$page_url = rtrim($page_url,'/');

if(isset($args['group_by_product']) && (int)$args['group_by_product']){

$faq_by_product = array();

foreach($faq_listing as $faq_id => $faq_question){

if(!isset($faq_question['products']) || !is_array($faq_question['products'])){

$faq_question['products'] = array(

0 => 'Other',

);

}

foreach($faq_question['products'] as $product_id=>$product_name){

if(!isset($faq_by_product[$product_id])){

$faq_by_product[$product_id] = array(

'title' => $product_name,

'questions' => array(),

);

}

$faq_by_product[$product_id]['questions'][$faq_id] = $faq_question;

}

}

if(isset($args['accordion'])){

// output twitter bootstrap accordion from json data:

echo '<div class="accordion" id="accordion_faq">';

foreach($faq_by_product as $product_id => $product_data){

echo '<div class="accordion-group">

<div class="accordion-heading">

<a class="accordion-toggle" data-toggle="collapse" data-parent="#accordion_faq" href="#collapse_product_'.$product_id.'">

'.htmlspecialchars($product_data['title']).'

</a>

</div>

<div id="collapse_product_'.$product_id.'" class="accordion-body collapse'.(count($faq_by_product)==1?' in':'').'">

<div class="accordion-inner">';

echo '<ul class="faq_listing">';

foreach($product_data['questions'] as $faq_id => $faq_question){

echo '<li class="faq_item">';

//echo '<a href="'.htmlspecialchars($faq_question['url']).'" class="faq_link">';

//echo '<a href="'.add_query_arg('ucm_faq_id',$faq_id,$page_url).'" class="faq_link">';

echo '<a href="'.$page_url.'/'.$faq_id.'/'.sanitize_title($faq_question['question']).'" class="faq_link">';

echo htmlspecialchars($faq_question['question']);

echo '</a>';

echo '</li>';

}

echo '</ul>';

echo '</div>

</div>

</div>';

}

echo '</div>';

}else{

// just normal list

foreach($faq_by_product as $product_id => $product_data){

echo '<h3>'.htmlspecialchars($product_data['title']).'</h3>';

echo '<ul class="faq_listing">';

foreach($product_data['questions'] as $faq_id => $faq_question){

echo '<li class="faq_item">';

//echo '<a href="'.htmlspecialchars($faq_question['url']).'" class="faq_link">';

//echo '<a href="'.add_query_arg('ucm_faq_id',$faq_id,$page_url).'" class="faq_link">';

echo '<a href="'.$page_url.'/'.$faq_id.'/'.sanitize_title($faq_question['question']).'" class="faq_link">';

echo htmlspecialchars($faq_question['question']);

echo '</a>';

echo '</li>';

}

echo '</ul>';

}

}

}else{

echo '<ul class="faq_listing">';

foreach($faq_listing as $faq_id => $faq_question){

echo '<li class="faq_item">';

//echo '<a href="'.htmlspecialchars($faq_question['url']).'" class="faq_link">';

// echo '<a href="'.add_query_arg('ucm_faq_id',$faq_id,$page_url).'" class="faq_link">';

echo '<a href="'.$page_url.'/'.$faq_id.'/'.sanitize_title($faq_question['question']).'" class="faq_link">';

echo htmlspecialchars($faq_question['question']);

echo '</a>';

echo '</li>';

}

echo '</ul>';

}

}

return ob_get_clean();

}

function ucm_faq_shortcode_page_title($title, $sep, $seplocation){

$faq_item = $this->_current_faq_item();

if($faq_item){

remove_action('wp_head', 'rel_canonical');

$title = "FAQ: ".htmlspecialchars($faq_item['question']);

}

return $title;

}

function ucm_faq_shortcode_wp_head(){

$faq_item = $this->_current_faq_item();

if($faq_item){

?>

<!-- embedded FAQ item from UCM system, original URL: <?php echo htmlspecialchars($faq_item['url']);?> -->

<?php

/*<!-- canonical url to stop duplicate content? -->

<link rel="canonical" href="<?php echo htmlspecialchars($faq_item['url']);?>" />*/

}

}