* @license GPL-2.0+
* @link http://rahularyan.com
* @copyright 2014 Rahul Aryan
*/
function ap_theme_list(){
$themes = array();
$dirs = array_filter(glob(ANSPRESS_THEME_DIR.'/*'), 'is_dir');
foreach($dirs as $dir)
$themes[basename($dir)] = basename($dir);
return $themes;
}
function ap_get_theme(){
$option = ap_opt('theme');
if(!$option)
return 'default';
return ap_opt('theme');
}
/**
* Get location to a file
* First file is looked inside active WordPress theme directory /anspress.
* @param string $file file name
* @param mixed $plugin Plugin path
* @return string
* @since 0.1
*/
function ap_get_theme_location($file, $plugin = false){
// checks if the file exists in the theme first,
// otherwise serve the file from the plugin
if ( $theme_file = locate_template( array( 'anspress/'.$file ) ) ) {
$template_path = $theme_file;
} elseif($plugin !== false) {
$template_path = $plugin .'/theme/'.$file;
}else {
$template_path = ANSPRESS_THEME_DIR .'/'.ap_get_theme().'/'.$file;
}
return $template_path;
}
/**
* Get url to a file
* Used for enqueue CSS or JS
* @param string $file
* @param mixed $plugin
* @return string
* @since 2.0
*/
function ap_get_theme_url($file, $plugin = false){
// checks if the file exists in the theme first,
// otherwise serve the file from the plugin
if ( $theme_file = locate_template( array( 'anspress/'.$file ) ) ) {
$template_url = get_template_directory_uri().'/anspress/'.$file;
} elseif($plugin !== false) {
$template_url = $plugin .'theme/'.$file;
}else {
$template_url = ANSPRESS_THEME_URL .'/'.ap_get_theme().'/'.$file;
}
return $template_url;
}
//get current user id
function ap_current_user_id() {
require_once(ABSPATH . WPINC . '/pluggable.php');
global $current_user;
get_currentuserinfo();
return $current_user->ID;
}
function ap_question_content(){
global $post;
echo $post->post_content;
}
function ap_human_time($time, $unix = true){
if(!$unix)
$time = strtotime($time);
return human_time_diff( $time, current_time('timestamp') );
}
function ap_please_login(){
$o = '';
$o .= '';
$o .= __('Please login or register to continue this action.', 'ap');
$o .= '
';
echo apply_filters('ap_please_login', $o);
}
//check if user answered on a question
function ap_is_user_answered($question_id, $user_id){
global $wpdb;
$count = $wpdb->get_var( "SELECT COUNT(*) FROM $wpdb->posts where post_parent = $question_id AND ( post_author = $user_id AND post_type = 'answer')");
if($count)
return true;
return false;
}
/**
* Count all answers of a question includes all post status
* @param int $id question id
* @return int
* @since 2.0.1.1
*/
function ap_count_all_answers($id){
global $wpdb;
$count = $wpdb->get_var( $wpdb->prepare("SELECT COUNT(*) FROM $wpdb->posts where post_parent = %d AND post_type = %s", $id, 'answer'));
return $count;
}
function ap_count_published_answers($id){
global $wpdb;
$count = $wpdb->get_var( $wpdb->prepare("SELECT COUNT(*) FROM $wpdb->posts where post_parent = %d AND post_status = %s AND post_type = %s", $id, 'publish', 'answer'));
return $count;
}
function ap_count_answer_meta($post_id =false){
if(!$post_id) $post_id = get_the_ID();
$count = get_post_meta($post_id, ANSPRESS_ANS_META, true);
return $count ? $count : 0;
}
/**
* Count all answers excluding best answer
* @return int
*/
function ap_count_other_answer($question_id =false){
if(!$question_id) $question_id = get_the_ID();
$count = ap_count_answer_meta($question_id);
if(ap_is_answer_selected($question_id))
return ($count - 1);
return $count;
}
function ap_last_active($post_id =false){
if(!$post_id) $post_id = get_the_ID();
return get_post_meta($post_id, ANSPRESS_UPDATED_META, true);
}
//check if current questions have answers
function ap_have_ans($id){
if(ap_count_all_answers($id) > 0)
return true;
return false;
}
// link to asnwers
function ap_answers_link(){
return get_permalink().'#answers';
}
function ap_get_link_to($sub){
$base = rtrim(get_permalink(ap_opt('base_page')), '/');
if(get_option('permalink_structure') != ''){
if(!is_array($sub))
$args = $sub ? '/'.$sub : '';
elseif(is_array($sub)){
$args = '/';
if(!empty($sub))
foreach($sub as $s)
$args .= $s.'/';
}
$link = $base;
}else{
if(!is_array($sub))
$args = $sub ? '&ap_page='.$sub : '';
elseif(is_array($sub)){
$args = '';
if(!empty($sub))
foreach($sub as $k => $s)
$args .= '&'.$k .'='.$s;
}
$link = $base;
}
return $link. $args ;
}
/**
* Load comment form button
* @param boolean $echo
* @return string
* @since 0.1
*/
function ap_comment_btn_html($echo = false){
if(ap_user_can_comment()){
$nonce = wp_create_nonce( 'comment_form_nonce' );
$output = '';
if($echo)
echo $output;
else
return $output;
}
}
/**
* Return edit link for question and answer
* @param int| object $post_id_or_object
* @return string
* @since 2.0.1
*/
function ap_post_edit_link($post_id_or_object){
if(!is_object($post_id_or_object))
$post_id_or_object = get_post($post_id_or_object);
$post = $post_id_or_object;
$nonce = wp_create_nonce( 'nonce_edit_post_'.$post->ID );
$edit_link = add_query_arg( array('edit_post_id' => $post->ID, '__nonce' => $nonce), get_permalink( ap_opt('edit_page')) );
return apply_filters( 'ap_post_edit_link', $edit_link );
}
/**
* Returns edit post button html
* @param boolean $echo
* @param int | object $post_id_or_object
* @return void
* @since 2.0.1
*/
function ap_edit_post_link_html($echo = false, $post_id_or_object = false){
if(!is_object($post_id_or_object))
$post_id_or_object = get_post($post_id_or_object);
$post = $post_id_or_object;
$edit_link = ap_post_edit_link($post);
$output = '';
if($post->post_type == 'question' && ap_user_can_edit_question($post->ID)){
$output = "".ap_icon('edit', true)."".__('Edit', 'ap')."";
}elseif($post->post_type == 'answer' && ap_user_can_edit_ans($post->ID)){
$output = "".ap_icon('edit', true)."".__('Edit', 'ap')."";
}
if($echo)
echo $output;
else
return $output;
}
function ap_edit_a_btn_html( $echo = false ){
if(!is_user_logged_in())
return;
$output = '';
$post_id = get_edit_answer_id();
if(ap_user_can_edit_ans($post_id)){
$edit_link = ap_answer_edit_link();
$output .= "".ap_icon('edit', true).__('Edit', 'ap')."";
}
if($echo)
echo $output;
else
return $output;
}
function ap_post_edited_time() {
if (get_the_time('s') != get_the_modified_time('s')){
printf('%1$s %2$s',
__('Edited on','ap'),
get_the_modified_time()
);
}
return;
}
function ap_answer_edit_link(){
$post_id = get_the_ID();
if(ap_user_can_edit_ans($post_id)){
$action = get_post_type($post_id).'-'.$post_id;
$nonce = wp_create_nonce( $action );
$edit_link = add_query_arg( array('edit_a' => $post_id, 'ap_nonce' => $nonce), get_permalink( ap_opt('base_page')) );
return apply_filters( 'ap_answer_edit_link', $edit_link );
}
return;
}
function ap_truncate_chars($text, $limit, $ellipsis = '...') {
if( strlen($text) > $limit ) {
$endpos = strpos(str_replace(array("\r\n", "\r", "\n", "\t"), ' ', $text), ' ', $limit);
if($endpos !== FALSE)
$text = trim(substr($text, 0, $endpos)) . $ellipsis;
}
return $text;
}
function ap_get_all_users(){
$paged = (get_query_var('paged')) ? get_query_var('paged') : 1;
$per_page = ap_opt('tags_per_page');
$total_terms = wp_count_terms('question_tags');
$offset = $per_page * ( $paged - 1) ;
$args = array(
'number' => $per_page,
'offset' => $offset
);
$users = get_users( $args);
echo '';
ap_pagination(ceil( $total_terms / $per_page ), $range = 1, $paged);
}
/* TODO: REMOVE - base page slug*/
/*function ap_base_page_slug(){
$base_page_slug = ap_opt('base_page_slug');
// get the base slug, if base page was set to home page then dont use any slug
$slug = ((ap_opt('base_page') !== get_option('page_on_front')) ? $base_page_slug.'/' : '');
$base_page = get_post(ap_opt('base_page'));
if( $base_page->post_parent != 0 ){
$parent_page = get_post($base_page->post_parent);
$slug = $parent_page->post_name . '/'.$slug;
}
return apply_filters('ap_base_page_slug', $slug) ;
}*/
function ap_ans_list_tab(){
$order = get_query_var('sort');
if(empty($order ))
$order = ap_opt('answers_sort');
$link = '?sort=';
$ans_count = ap_count_all_answers(get_the_ID());
?>
post_parent)){
return ''.__('Select answer', 'ap').'';
}elseif(ap_is_answer_selected($ans->post_parent) && ap_is_best_answer($ans->ID)){
return ''.__('Unselect answer', 'ap').'';
}
}
function ap_post_delete_btn_html($post_id = false, $echo = false){
if(!$post_id){
$post_id = get_the_ID();
}
if(ap_user_can_delete($post_id)){
$action = 'delete_post_'.$post_id;
$nonce = wp_create_nonce( $action );
$output = ''.ap_icon('delete', true).__('Delete', 'ap').'';
if($echo)
echo $output;
else
return $output;
}
}
function ap_get_child_answers_comm($post_id){
global $wpdb;
$ids = array();
$query = "SELECT p.ID, c.comment_ID from $wpdb->posts p LEFT JOIN $wpdb->comments c ON c.comment_post_ID = p.ID OR c.comment_post_ID = $post_id WHERE post_parent = $post_id";
$key = md5($query);
$cache = wp_cache_get($key, 'count');
if($cache === false){
$cols = $wpdb->get_results( $query, ARRAY_A);
wp_cache_set($key, $cols, 'count');
}else
$cols = $cache;
if($cols){
foreach($cols as $c){
if(!empty($c['ID']))
$ids['posts'][] = $c['ID'];
if(!empty($c['comment_ID']))
$ids['comments'][] = $c['comment_ID'];
}
}else{
return false;
}
if(isset($ids['posts']))
$ids['posts']= array_unique ($ids['posts']);
if(isset($ids['comments']))
$ids['comments'] = array_unique ($ids['comments']);
return $ids;
}
function ap_short_num($num, $precision = 2) {
if ($num >= 1000 && $num < 1000000) {
$n_format = number_format($num/1000,$precision).'K';
} else if ($num >= 1000000 && $num < 1000000000) {
$n_format = number_format($num/1000000,$precision).'M';
} else if ($num >= 1000000000) {
$n_format=number_format($num/1000000000,$precision).'B';
} else {
$n_format = $num;
}
return $n_format;
}
function sanitize_comma_delimited($str){
return implode(",", array_map("intval", explode(",", $str)));
}
function ap_pagi($base, $total_pages, $paged, $end_size = 1, $mid_size = 5){
$pagi_a = paginate_links( array(
'base' => $base, // the base URL, including query arg
'format' => 'page/%#%', // this defines the query parameter that will be used, in this case "p"
'prev_text' => __('« Previous', 'ap'), // text for previous page
'next_text' => __('Next »', 'ap'), // text for next page
'total' => $total_pages, // the total number of pages we have
'current' => $paged, // the current page
'end_size' => 1,
'mid_size' => 5,
'type' => 'array'
));
if($pagi_a){
echo '';
}
}
function ap_question_side_tab(){
$links = array (
'discussion' => array('icon' => 'ap-icon-flow-tree', 'title' => __('Discussion', 'ap'), 'url' => '#discussion')
);
$links = apply_filters('ap_question_tab', $links);
$i = 1;
if(count($links) > 1){
echo '';
}
}
function ap_read_features($type = 'addon'){
$option = get_option('ap_addons');
$cache = wp_cache_get('ap_'.$type.'s_list', 'array');
if($cache !== FALSE)
return $cache;
$features = array();
//load files from addons folder
$files=glob(ANSPRESS_DIR.'/'.$type.'s/*/'.$type.'.php');
//print_r($files);
foreach ($files as $file){
$data = ap_get_features_data($file);
$data['folder'] = basename(dirname($file));
$data['file'] = basename($file);
$data['active'] = (isset($option[$data['name']]) && $option[$data['name']]) ? true : false;
$features[$data['name']] = $data;
}
wp_cache_set( 'ap_'.$type.'s_list', $features, 'array');
return $features;
}
function ap_get_features_data( $plugin_file) {
$plugin_data = ap_get_file_data( $plugin_file);
return $plugin_data;
}
function ap_get_file_data( $file) {
// We don't need to write to the file, so just open for reading.
$fp = fopen( $file, 'r' );
// Pull only the first 8kiB of the file in.
$file_data = fread( $fp, 1000 );
// PHP will close file handle, but we are good citizens.
fclose( $fp );
$metadata=ap_features_metadata($file_data, array(
'name' => 'Name',
'version' => 'Version',
'description' => 'Description',
'author' => 'Author',
'author_uri' => 'Author URI',
'addon_uri' => 'Addon URI'
));
return $metadata;
}
function ap_features_metadata($contents, $fields){
$metadata=array();
foreach ($fields as $key => $field)
if (preg_match('/'.str_replace(' ', '[ \t]*', preg_quote($field, '/')).':[ \t]*([^\n\f]*)[\n\f]/i', $contents, $matches))
$metadata[$key]=trim($matches[1]);
return $metadata;
}
function ap_users_tab(){
$order = get_query_var('sort');
if(empty($order ))
$order = 'points';//ap_opt('answers_sort');
$link = '?sort=';
?>
';
echo '';
echo '';
}
function ap_ask_btn($parent_id = false){
$args = array('ap_page' => 'ask');
if($parent_id !== false)
$args['parent'] = $parent_id;
if(get_query_var('parent') != '')
$args['parent'] = get_query_var('parent');
echo ''.__('Ask Question').'';
}
/**
* Check if doing ajax request
* @return boolean
* @since 2.0.1
*/
function ap_is_ajax(){
if (defined('DOING_AJAX') && DOING_AJAX)
return true;
return false;
}
/**
* Allow HTML tags
* @return array
* @since 0.9
*/
function ap_form_allowed_tags(){
$allowed_tags = array(
'a' => array(
'href' => array(),
'title' => array()
),
'br' => array(),
'em' => array(),
'strong' => array(),
'pre' => array(),
'code' => array(),
'blockquote' => array(),
'img' => array(
'src' => array(),
),
);
/**
* FILTER: ap_allowed_tags
* Before passing allowed tags
*/
return apply_filters( 'ap_allowed_tags', $allowed_tags);
}
function ap_send_json($result = array()){
$result['is_ap_ajax'] = true;
wp_send_json( $result );
}
/**
* Highlight matching words
* @param string $text
* @param string $words
* @return string
* @since 2.0
*/
function ap_highlight_words($text, $words) {
$words = explode(' ', $words);
foreach ($words as $word)
{
//quote the text for regex
$word = preg_quote($word);
//highlight the words
$text = preg_replace("/\b($word)\b/i", '\1', $text);
}
return $text;
}
/**
* Return response with type and message
* @param string $id error id
* @return string
* @since 2.0.1
*/
function ap_responce_message($id)
{
$msg =array(
'please_login' => array('type' => 'warning', 'message' => __('You need to login before doing this action.', 'ap')),
'something_wrong' => array('type' => 'error', 'message' => __('Something went wrong, last action failed.', 'ap')),
'no_permission' => array('type' => 'warning', 'message' => __('You do not have permission to do this action.', 'ap')),
'draft_comment_not_allowed' => array('type' => 'warning', 'message' => __('You are commenting on a draft post.', 'ap')),
'comment_success' => array('type' => 'success', 'message' => __('Comment successfully posted.', 'ap')),
'comment_edit_success' => array('type' => 'success', 'message' => __('Comment updated successfully.', 'ap')),
'comment_delete_success' => array('type' => 'success', 'message' => __('Comment deleted successfully.', 'ap')),
'subscribed' => array('type' => 'success', 'message' => __('You are subscribed to this question.', 'ap')),
'unsubscribed' => array('type' => 'success', 'message' => __('Successfully unsubscribed.', 'ap')),
'question_submitted' => array('type' => 'success', 'message' => __('Question submitted successfully', 'ap')),
'question_updated' => array('type' => 'success', 'message' => __('Question updated successfully', 'ap')),
'answer_submitted' => array('type' => 'success', 'message' => __('Answer submitted successfully', 'ap')),
'answer_updated' => array('type' => 'success', 'message' => __('Answer updated successfully', 'ap')),
'voted' => array('type' => 'success', 'message' => __('Thank you for voting.', 'ap')),
'undo_vote' => array('type' => 'success', 'message' => __('Your vote has been removed.', 'ap')),
'undo_vote_your_vote' => array('type' => 'warning', 'message' => __('Undo your vote first.', 'ap')),
'cannot_vote_own_post' => array('type' => 'warning', 'message' => __('You cannot vote on your own question or answer.', 'ap')),
);
/**
* FILTER: ap_responce_message
* Can be used to alter response messages
* @var array
* @since 2.0.1
*/
$msg = apply_filters( 'ap_responce_message', $msg );
if(isset($msg[$id]))
return $msg[$id];
return false;
}
function ap_ajax_responce($results)
{
if(!is_array($results)){
$message_id = $results;
$results = array();
$results['message'] = $message_id;
}
$results['ap_responce'] = true;
if( isset($results['message']) ){
$error_message = ap_responce_message($results['message']);
if($error_message !== false){
$results['message'] = $error_message['message'];
$results['message_type'] = $error_message['type'];
}
}
/**
* FILTER: ap_ajax_responce
* Can be used to alter ap_ajax_responce
* @var array
* @since 2.0.1
*/
$results = apply_filters( 'ap_ajax_responce', $results );
return $results;
}