<?php 

if (!function_exists('w2dc_getValue')) {
	function w2dc_getValue($target, $key, $default = false) {
		$target = is_object($target) ? (array) $target : $target;
	
		if (is_array($target) && isset($target[$key])) {
			$value = $target[$key];
		} else {
			$value = $default;
		}
	
		$value = apply_filters('w2dc_get_value', $value, $target, $key, $default);
		return $value;
	}
}

add_filter('wp_redirect', 'w2dc_redirect_with_messages');
function w2dc_redirect_with_messages($location) {
	global $w2dc_messages;
	
	if ($w2dc_messages) {
		$messages = $w2dc_messages;
		
		$location = remove_query_arg('w2dc_messages', $location);
		
		$r_messages = array();
		foreach ($messages AS $type=>$messages_array) {
			foreach ($messages[$type] AS $key=>$message) {
				// do not take messages containing any HTML
				if ($message == strip_tags($message)) {
					$r_messages[$type][$key] = urlencode($message);
				}
			}
		}
		
		if ($r_messages) {
			$location = add_query_arg(array('w2dc_messages' => $r_messages), $location);
		}
	}
	
	return $location;
}

if (!function_exists('w2dc_addMessage')) {
	function w2dc_addMessage($message, $type = 'updated') {
		global $w2dc_messages;
		
		if (is_array($message)) {
			foreach ($message AS $m) {
				w2dc_addMessage($m, $type);
			}
			return ;
		}
	
		if (!isset($w2dc_messages[$type]) || (isset($w2dc_messages[$type]) && !in_array($message, $w2dc_messages[$type]))) {
			$w2dc_messages[$type][] = $message;
		}
	}
}

if (!function_exists('w2dc_renderMessages')) {
	function w2dc_renderMessages($message = false, $type = false) {
		global $w2dc_messages;
	
		if (!$message) {
			$messages = array();
			
			if (!empty($_GET['w2dc_messages']) && is_array($_GET['w2dc_messages'])) {
				foreach ($_GET['w2dc_messages'] AS $type=>$messages_array) {
					foreach ($_GET['w2dc_messages'][$type] AS $message) {
						$messages[$type][] = esc_html($message);
					}
				}
			}
			
			if (isset($w2dc_messages) && is_array($w2dc_messages) && $w2dc_messages) {
				foreach ($w2dc_messages AS $type=>$messages_array) {
					foreach ($w2dc_messages[$type] AS $message) {
						$messages[$type][] = $message;
					}
				}
			}
		} else {
			$messages[$type][] = $message;
		}
	
		$messages = w2dc_superUnique($messages);
		
		foreach ($messages AS $type=>$messages_array) {
			$message_class = (is_admin()) ? $type : "w2dc-" . $type;

			echo '<div class="' . $message_class . '">';
			foreach ($messages_array AS $message) {
				echo '<p>' . trim(preg_replace("/<p>(.*?)<\/p>/", "$1", $message)) . '</p>';
			}
			echo '</div>';
		}
	}
	function w2dc_superUnique($array) {
		$result = array_map("unserialize", array_unique(array_map("serialize", $array)));
		foreach ($result as $key => $value)
			if (is_array($value))
				$result[$key] = w2dc_superUnique($value);
		return $result;
	}
}

function w2dc_calcExpirationDate($date, $level) {
	switch ($level->active_period) {
		case 'day':
			$date = strtotime('+'.$level->active_interval.' day', $date);
			break;
		case 'week':
			$date = strtotime('+'.$level->active_interval.' week', $date);
			break;
		case 'month':
			$date = w2dc_addMonths($date, $level->active_interval);
			break;
		case 'year':
			$date = strtotime('+'.$level->active_interval.' year', $date);
			break;
	}
	
	return $date;
}

/**
 * Workaround the last day of month quirk in PHP's strtotime function.
 *
 * Adding +1 month to the last day of the month can yield unexpected results with strtotime().
 * For example:
 * - 30 Jan 2013 + 1 month = 3rd March 2013
 * - 28 Feb 2013 + 1 month = 28th March 2013
 *
 * What humans usually want is for the date to continue on the last day of the month.
 *
 * @param int $from_timestamp A Unix timestamp to add the months too.
 * @param int $months_to_add The number of months to add to the timestamp.
 */
function w2dc_addMonths($from_timestamp, $months_to_add) {
	$first_day_of_month = date('Y-m', $from_timestamp) . '-1';
	$days_in_next_month = date('t', strtotime("+ {$months_to_add} month", strtotime($first_day_of_month)));
	
	// Payment is on the last day of the month OR number of days in next billing month is less than the the day of this month (i.e. current billing date is 30th January, next billing date can't be 30th February)
	if (date('d m Y', $from_timestamp) === date('t m Y', $from_timestamp) || date('d', $from_timestamp) > $days_in_next_month) {
		for ($i = 1; $i <= $months_to_add; $i++) {
			$next_month = strtotime('+3 days', $from_timestamp); // Add 3 days to make sure we get to the next month, even when it's the 29th day of a month with 31 days
			$next_timestamp = $from_timestamp = strtotime(date('Y-m-t H:i:s', $next_month));
		}
	} else { // Safe to just add a month
		$next_timestamp = strtotime("+ {$months_to_add} month", $from_timestamp);
	}
	
	return $next_timestamp;
}

function w2dc_isResource($resource) {
	if (is_file(get_stylesheet_directory() . '/w2dc-plugin/resources/' . $resource)) {
		return get_stylesheet_directory_uri() . '/w2dc-plugin/resources/' . $resource;
	} elseif (is_file(W2DC_RESOURCES_PATH . $resource)) {
		return W2DC_RESOURCES_URL . $resource;
	}
	
	return false;
}

function w2dc_isCustomResourceDir($dir) {
	if (is_dir(get_stylesheet_directory() . '/w2dc-plugin/resources/' . $dir)) {
		return get_stylesheet_directory() . '/w2dc-plugin/resources/' . $dir;
	}
	
	return false;
}

function w2dc_getCustomResourceDirURL($dir) {
	if (is_dir(get_stylesheet_directory() . '/w2dc-plugin/resources/' . $dir)) {
		return get_stylesheet_directory_uri() . '/w2dc-plugin/resources/' . $dir;
	}
	
	return false;
}

/**
 * possible variants of templates and their paths:
 * - themes/theme/w2dc-plugin/templates/template-custom.tpl.php
 * - themes/theme/w2dc-plugin/templates/template.tpl.php
 * - plugins/w2dc/templates/template-custom.tpl.php
 * - plugins/w2dc/templates/template.tpl.php
 * 
 * templates in addons will be visible by such type of path:
 * - themes/theme/w2dc-plugin/templates/w2dc_fsubmit/template.tpl.php
 * 
 */
function w2dc_isTemplate($template) {
	$custom_template = str_replace('.tpl.php', '', $template) . '-custom.tpl.php';
	$templates = array(
			$custom_template,
			$template
	);

	foreach ($templates AS $template_to_check) {
		// check if it is exact path in $template
		if (is_file($template_to_check)) {
			return $template_to_check;
		} elseif (is_file(get_stylesheet_directory() . '/w2dc-plugin/templates/' . $template_to_check)) { // theme or child theme templates folder
			return get_stylesheet_directory() . '/w2dc-plugin/templates/' . $template_to_check;
		} elseif (is_file(W2DC_TEMPLATES_PATH . $template_to_check)) { // native plugin's templates folder
			return W2DC_TEMPLATES_PATH . $template_to_check;
		}
	}

	return false;
}

if (!function_exists('w2dc_renderTemplate')) {
	/**
	 * @param string|array $template
	 * @param array $args
	 * @param bool $return
	 * @return string
	 */
	function w2dc_renderTemplate($template, $args = array(), $return = false) {
		global $w2dc_instance;
	
		if ($args) {
			extract($args);
		}
		
		// filter hooks in all addons (w2dc_fsubmit.php, w2dc_payments.php, w2dc_ratings.php)
		$template = apply_filters('w2dc_render_template', $template, $args);
		
		if (is_array($template)) {
			$template_path = $template[0];
			$template_file = $template[1];
			$template = $template_path . $template_file;
		}
		
		$template = w2dc_isTemplate($template);

		if ($template) {
			if ($return) {
				ob_start();
			}
		
			include($template);
			
			if ($return) {
				$output = ob_get_contents();
				ob_end_clean();
				return $output;
			}
		}
	}
}

function w2dc_getCurrentListingInAdmin() {
	global $w2dc_instance;
	
	return $w2dc_instance->current_listing;
}

function w2dc_getAllDirectoryPages() {
	global $wpdb;
	
	$flat_index_pages = $wpdb->get_results("SELECT ID AS id, post_name AS slug FROM {$wpdb->posts} WHERE (post_content LIKE '%[" . W2DC_MAIN_SHORTCODE . "]%') AND post_status = 'publish' AND post_type = 'page'", ARRAY_A);
	$custom_index_pages = $wpdb->get_results("SELECT ID AS id, post_name AS slug FROM {$wpdb->posts} WHERE (post_content LIKE '%[" . W2DC_MAIN_SHORTCODE . " %') AND post_status = 'publish' AND post_type = 'page'", ARRAY_A);
	$index_pages = array_merge($flat_index_pages, $custom_index_pages);
	
	// adapted for WPML
	global $sitepress;
	if (function_exists('wpml_object_id_filter') && $sitepress) {
		foreach ($index_pages AS $key=>&$cpage) {
			if ($tpage = apply_filters('wpml_object_id', $cpage['id'], 'page')) {
				$cpage['id'] = $tpage;
				$cpage['slug'] = get_post($cpage['id'])->post_name;
			} else {
				unset($index_pages[$key]);
			}
		}
	}
	
	$index_pages = array_unique($index_pages, SORT_REGULAR);
	
	$index_pages = apply_filters("w2dc_get_all_directory_pages", $index_pages);
	
	return $index_pages;
}

function w2dc_getAllListingPages() {
	global $wpdb, $w2dc_instance;
	
	$flat_listing_pages = $wpdb->get_results("SELECT ID AS id FROM {$wpdb->posts} WHERE (post_content LIKE '%[" . W2DC_LISTING_SHORTCODE . "]%' OR post_content LIKE '%[webdirectory-listing]%') AND post_status = 'publish' AND post_type = 'page'", ARRAY_A);
	$custom_listing_pages = $wpdb->get_results("SELECT ID AS id FROM {$wpdb->posts} WHERE (post_content LIKE '%[" . W2DC_LISTING_SHORTCODE . " %' OR post_content LIKE '%[webdirectory-listing %') AND post_status = 'publish' AND post_type = 'page'", ARRAY_A);
	$pages = array_merge($flat_listing_pages, $custom_listing_pages);
	
	// adapted for WPML
	global $sitepress;
	if (function_exists('wpml_object_id_filter') && $sitepress) {
		foreach ($pages AS $key=>&$cpage) {
			if ($tpage = apply_filters('wpml_object_id', $cpage['id'], 'page')) {
				$cpage['id'] = $tpage;
			} else {
				unset($pages[$key]);
			}
		}
	}
	
	$pages = array_unique($pages, SORT_REGULAR);
	
	$listing_pages = array();
	
	$shortcodes = array(W2DC_LISTING_SHORTCODE);
	foreach ($pages AS $page_id) {
		$page_id = $page_id['id'];
		$pattern = get_shortcode_regex($shortcodes);
		if (preg_match_all('/'.$pattern.'/s', get_post($page_id)->post_content, $matches) && array_key_exists(2, $matches)) {
			foreach ($matches[2] AS $key=>$shortcode) {
				if (in_array($shortcode, $shortcodes)) {
					if (($attrs = shortcode_parse_atts($matches[3][$key]))) {
						if (isset($attrs['directory']) && is_numeric($attrs['directory']) && ($directory = $w2dc_instance->directories->getDirectoryById($attrs['directory']))) {
							$listing_pages[$directory->id] = $page_id;
							break;
						} elseif (!isset($attrs['id'])) {
							$listing_pages[$w2dc_instance->directories->getDefaultDirectory()->id] = $page_id;
							break;
						}
					} else {
						$listing_pages[$w2dc_instance->directories->getDefaultDirectory()->id] = $page_id;
						break;
					}
				}
			}
		}
	}
	
	$listing_pages = apply_filters("w2dc_get_all_listing_pages", $listing_pages);
	
	return $listing_pages;
}

function w2dc_isListingElementsOnPage() {
	global $w2dc_instance;
	
	$shortcodes = array(
			'webdirectory-listing-header',
			'webdirectory-listing-gallery',
			'webdirectory-listing-map',
			'webdirectory-listing-videos',
			'webdirectory-listing-contact',
			'webdirectory-listing-report',
			'webdirectory-listing-comments',
			'webdirectory-listing-fields',
	);
	$listing_page = get_post($w2dc_instance->listing_page_id);
	
	$pattern = get_shortcode_regex($shortcodes);
	if (preg_match_all('/'.$pattern.'/s', $listing_page->post_content, $matches) && array_key_exists(2, $matches)) {
		foreach ($matches[2] AS $key=>$_shortcode) {
			if (in_array($_shortcode, $shortcodes)) {
				return true;
			}
		}
	}
	
	return apply_filters("w2dc_is_listing_elements_on_page", false);
}

function w2dc_isCustomHomePage() {
	global $w2dc_instance;
	
	$home_page = get_post($w2dc_instance->index_page_id);
	
	if ($home_page) {
		$content = get_the_content(null, false, $w2dc_instance->index_page_id);
	
		$pattern = get_shortcode_regex(array('webdirectory'));
		if (preg_match_all('/'.$pattern.'/s', $content, $matches) && array_key_exists(2, $matches)) {
			foreach ($matches[2] AS $key=>$shortcode) {
				if ($shortcode == 'webdirectory') {
					if (!($attrs = shortcode_parse_atts($matches[3][$key]))) {
						$attrs = array();
					}
					
					if (!empty($attrs['custom_home'])) {
						return true;
					}
				}
			}
		}
	}
}

function w2dc_getIndexPage() {
	global $wp, $wp_query, $wpdb, $wp_rewrite, $w2dc_instance;
	
	$curr_index_page = array('slug' => '', 'id' => 0, 'url' => '');

	$index_pages = $w2dc_instance->index_pages_all;

	if (!$index_pages) {
		return $curr_index_page;
	}
	
	if (get_queried_object_id()) {
		foreach ($index_pages AS $page) {
			if ($page['id'] == get_queried_object_id()) {
				$curr_index_page = $page;
				break;
			}
		}
	}
	if (!$curr_index_page['id']) {
		if ($wp_rewrite->using_permalinks()) {
			if (wp_doing_ajax() && isset($_REQUEST['base_url'])) {
				$base_url = $_REQUEST['base_url'];
			} else {
				$base_url = home_url($wp->request);
			}
			$urls_length = array();
			foreach ($index_pages AS $page) {
				$page_url = get_permalink($page['id']);
				if (strpos($base_url, $page_url) !== FALSE)
					$urls_length[$page['id']] = strlen($page_url);
			}
			if ($urls_length) {
				asort($urls_length);
				$urls_length = array_keys($urls_length);
				$page_id = array_pop($urls_length);
				foreach ($index_pages AS $page) {
					if ($page['id'] == $page_id) {
						$curr_index_page = $page;
						break;
					}
				}
			}
		} else {
			$homepage = null;
			if (wp_doing_ajax() && isset($_REQUEST['base_url'])) {
				if (($base_url = wp_parse_args($_REQUEST['base_url'])) && isset($base_url['homepage']))
					$homepage = $base_url['homepage'];
			} else {
				$homepage = get_query_var('homepage');
			}
			foreach ($index_pages AS $page) {
				if ($page['id'] == $homepage) {
					$curr_index_page = $page;
					break;
				}
			}
		}
	}

	if (!empty($index_pages[0]) && empty($curr_index_page['id'])) {
		$curr_index_page = $index_pages[0];
	}
	
	if ($curr_index_page['id']) {
		if ($wp_rewrite->using_permalinks()) {
			$curr_index_page['url'] = get_permalink($curr_index_page['id']);
		} else {
			// found that on some instances of WP "native" trailing slashes may be missing
			$curr_index_page['url'] = add_query_arg('page_id', $curr_index_page['id'], home_url('/'));
		}
	}
	
	return $curr_index_page;
}

function w2dc_getListingPage() {
	global $w2dc_instance;
	
	$directory_id = null;
	$page_id = null;
	$curr_listing_page = array('slug' => '', 'id' => 0, 'url' => '');
	
	// have to find out what directory is using, but manually here
	if ($listing = w2dc_isListing()) {
		$directory_id = $listing->directory->id;
	} elseif ($w2dc_instance->current_directory) {
		$directory_id = $w2dc_instance->current_directory->id;
	}
	
	if (!empty($directory_id) && isset($w2dc_instance->listing_pages_all[$directory_id])) {
		$page_id = $w2dc_instance->listing_pages_all[$directory_id];
	} else {
		// When directory was not installed yet - we can use only the 1st default directory
		if (get_option('w2dc_installed_directory')) {
			$directory_id = $w2dc_instance->directories->getDefaultDirectory()->id;
		} else {
			$directory_id = 1;
		}
		if (isset($w2dc_instance->listing_pages_all[$directory_id])) {
			$page_id = $w2dc_instance->listing_pages_all[$directory_id];
		}
	}

	if ($page_id) {
		$curr_listing_page['id'] = $page_id;
		$curr_listing_page['url'] = get_permalink($page_id);
		$curr_listing_page['slug'] = get_post($page_id)->post_name;
	}
	
	return $curr_listing_page;
}

function w2dc_directoryUrl($path = '', $directory = null) {
	global $w2dc_instance;
	
	if (empty($directory)) {
		$directory_page_url = $w2dc_instance->index_page_url;
	} else {
		$directory_page_url = $directory->url;
	}
	
	// adapted for WPML
	global $sitepress;
	if (function_exists('wpml_object_id_filter') && $sitepress) {
		if ($sitepress->get_option('language_negotiation_type') == 3) {
			// remove any previous value.
			$directory_page_url = remove_query_arg('lang', $directory_page_url);
		}
	}

	if (!is_array($path)) {
		if ($path) {
			$path = rtrim($path, '/') . '/';
		}
		// found that on some instances of WP "native" trailing slashes may be missing
		$url = rtrim($directory_page_url, '/') . '/' . $path;
	} else {
		$url = add_query_arg($path, $directory_page_url);
	}

	// adapted for WPML
	global $sitepress;
	if (function_exists('wpml_object_id_filter') && $sitepress) {
		$url = $sitepress->convert_url($url);
	}
	
	$url = w2dc_add_homepage_id($url);
	
	return utf8_uri_encode($url);
}

function w2dc_templatePageUri($slug_array, $page_url) {
	global $w2dc_instance;
	
	if (!$page_url) {
		$page_url = $w2dc_instance->index_page_url;
	}
	
	// adapted for WPML
	global $sitepress;
	if (function_exists('wpml_object_id_filter') && $sitepress) {
		if ($sitepress->get_option('language_negotiation_type') == 3) {
			// remove any previous value.
			$page_url = remove_query_arg('lang', $page_url);
		}
	}

	$template_url = add_query_arg($slug_array, $page_url);

	// adapted for WPML
	global $sitepress;
	if (function_exists('wpml_object_id_filter') && $sitepress) {
		$template_url = $sitepress->convert_url($template_url);
	}
	
	$template_url = w2dc_add_homepage_id($template_url);

	return utf8_uri_encode($template_url);
}

function w2dc_add_homepage_id($url) {
	global $w2dc_instance, $wp_rewrite;
	
	$homepage = null;
	if (wp_doing_ajax() && isset($base_url['homepage'])) {
		if ($base_url = wp_parse_args($_REQUEST['base_url']))
			$homepage = $base_url['homepage'];
	} else {
		$homepage = get_queried_object_id();
	}
	if (!$wp_rewrite->using_permalinks() && $homepage && count($w2dc_instance->index_pages_all) > 1) {
		foreach ($w2dc_instance->index_pages_all AS $page) {
			if ($page['id'] == $homepage) {
				$url = add_query_arg('homepage', $homepage, $url);
				break;
			}
		}
	}
	return $url;
}

function w2dc_get_term_parents($id, $tax, $breadcrumbs = false, $return_array = false, $separator = '/', &$chain = array()) {
	$parent = get_term($id, $tax);
	if (is_wp_error($parent) || !$parent) {
		if ($return_array) {
			return array();
		} else { 
			return '';
		}
	}

	$name = $parent->name;
	
	if ($parent->parent && ($parent->parent != $parent->term_id)) {
		w2dc_get_term_parents($parent->parent, $tax, $breadcrumbs, $return_array, $separator, $chain);
	}

	$url = get_term_link($parent->slug, $tax);
	if ($breadcrumbs && !is_wp_error($url)) {
		//$chain[] = '<li itemprop="itemListElement" itemscope itemtype="http://schema.org/ListItem"><a itemprop="item" href="' . $url . '" title="' . esc_attr(sprintf(__('View all listings in %s', 'W2DC'), $name)) . '"><span itemprop="name">' . $name . '</span><meta itemprop="position" content="' . (count($chain)+1) . '" /></a></li>';
		//$chain[] = '<a itemprop="item" href="' . $url . '" title="' . esc_attr(sprintf(__('View all listings in %s', 'W2DC'), $name)) . '">' . $name . '</a>';
		$chain[] = new w2dc_breadcrumb($name, $url, esc_attr(sprintf(__('View all listings in %s', 'W2DC'), $name)));
	} else {
		$chain[] = $name;
	}
	
	if ($return_array) {
		return $chain;
	} else {
		return implode($separator, $chain);
	}
}

function w2dc_get_term_parents_slugs($id, $tax, &$chain = array()) {
	$parent = get_term($id, $tax);
	if (is_wp_error($parent) || !$parent) {
		return '';
	}

	$slug = $parent->slug;
	
	if ($parent->parent && ($parent->parent != $parent->term_id)) {
		w2dc_get_term_parents_slugs($parent->parent, $tax, $chain);
	}

	$chain[] = $slug;

	return $chain;
}

function w2dc_get_term_parents_ids($id, $tax, &$chain = array()) {
	$parent = get_term($id, $tax);
	if (is_wp_error($parent) || !$parent) {
		return array();
	}

	$id = $parent->term_id;
	
	if ($parent->parent && ($parent->parent != $parent->term_id)) {
		w2dc_get_term_parents_ids($parent->parent, $tax, $chain);
	}

	$chain[] = $id;

	return $chain;
}

function w2dc_checkQuickList($is_listing_id = null)
{
	if (isset($_COOKIE['favourites']))
		$favourites = explode('*', $_COOKIE['favourites']);
	else
		$favourites = array();
	$favourites = array_values(array_filter($favourites));

	if ($is_listing_id)
		if (in_array($is_listing_id, $favourites))
			return true;
		else 
			return false;

	$favourites_array = array();
	foreach ($favourites AS $listing_id)
		if (is_numeric($listing_id))
		$favourites_array[] = $listing_id;
	return $favourites_array;
}

function w2dc_getDatePickerFormat() {
	$wp_date_format = get_option('date_format');
	return str_replace(
			array('S',  'd', 'j',  'l',  'm', 'n',  'F',  'Y'),
			array('',  'dd', 'd', 'DD', 'mm', 'm', 'MM', 'yy'),
		$wp_date_format);
}

function w2dc_getDatePickerLangFile($locale) {
	if ($locale) {
		$_locale = explode('-', str_replace('_', '-', $locale));
		$lang_code = array_shift($_locale);
		if (is_file(W2DC_RESOURCES_PATH . 'js/i18n/datepicker-'.$locale.'.js'))
			return W2DC_RESOURCES_URL . 'js/i18n/datepicker-'.$locale.'.js';
		elseif (is_file(W2DC_RESOURCES_PATH . 'js/i18n/datepicker-'.$lang_code.'.js'))
			return W2DC_RESOURCES_URL . 'js/i18n/datepicker-'.$lang_code.'.js';
	}
}

function w2dc_getDatePickerLangCode($locale) {
	if ($locale) {
		$_locale = explode('-', str_replace('_', '-', $locale));
		$lang_code = array_shift($_locale);
		if (is_file(W2DC_RESOURCES_PATH . 'js/i18n/datepicker-'.$locale.'.js'))
			return $locale;
		elseif (is_file(W2DC_RESOURCES_PATH . 'js/i18n/datepicker-'.$lang_code.'.js'))
			return $lang_code;
	}
}

function w2dc_generateRandomVal($val = null) {
	if (!$val)
		return rand(1, 10000);
	else
		return $val;
}

/**
 * Fetch the IP Address
 *
 * @return	string
 */
function w2dc_ip_address()
{
	if (isset($_SERVER['REMOTE_ADDR']) && isset($_SERVER['HTTP_CLIENT_IP']))
		$ip_address = $_SERVER['HTTP_CLIENT_IP'];
	elseif (isset($_SERVER['REMOTE_ADDR']))
		$ip_address = $_SERVER['REMOTE_ADDR'];
	elseif (isset($_SERVER['HTTP_CLIENT_IP']))
		$ip_address = $_SERVER['HTTP_CLIENT_IP'];
	elseif (isset($_SERVER['HTTP_X_FORWARDED_FOR']))
		$ip_address = $_SERVER['HTTP_X_FORWARDED_FOR'];
	else
		return false;

	if (strstr($ip_address, ',')) {
		$x = explode(',', $ip_address);
		$ip_address = trim(end($x));
	}

	$validation = new w2dc_form_validation();
	if (!$validation->valid_ip($ip_address))
		return false;

	return $ip_address;
}

function w2dc_crop_content($post_id, $limit = 35, $strip_html = true, $has_link = true, $nofollow = false, $readmore_text = false) {
	if (has_excerpt($post_id)) {
		$raw_content = apply_filters('the_excerpt', get_the_excerpt($post_id));
	} elseif (get_option('w2dc_cropped_content_as_excerpt') && get_post($post_id)->post_content !== '') {
		$raw_content = apply_filters('the_content', get_post($post_id)->post_content);
	} else {
		return ;
	}
	
	if (!$readmore_text) {
		$readmore_text = __('&#91;...&#93;', 'W2DC');
	}

	$raw_content = str_replace(']]>', ']]&gt;', $raw_content);
	if ($strip_html) {
		$raw_content = strip_tags($raw_content);
		$pattern = get_shortcode_regex();
		// Remove shortcodes from excerpt
		$raw_content = preg_replace_callback("/$pattern/s", 'w2dc_remove_shortcodes', $raw_content);
	}

	if (!$limit) {
		return $raw_content;
	}
	
	if ($has_link) {
		$readmore = ' <a href="'.get_permalink($post_id).'" '.(($nofollow) ? 'rel="nofollow"' : '').' class="w2dc-excerpt-link">'.$readmore_text.'</a>';
	} else {
		$readmore = ' ' . $readmore_text;
	}

	$content = explode(' ', $raw_content, $limit);
	if (count($content) >= $limit) {
		array_pop($content);
		$content = implode(" ", $content) . $readmore;
	} else {
		$content = $raw_content;
	}

	return $content;
}

// Remove shortcodes from excerpt
function w2dc_remove_shortcodes($m) {
	if (function_exists('su_cmpt') && su_cmpt() !== false)
	if ($m[2] == su_cmpt() . 'dropcap' || $m[2] == su_cmpt() . 'highlight' || $m[2] == su_cmpt() . 'tooltip')
		return $m[0];

	// allow [[foo]] syntax for escaping a tag
	if ($m[1] == '[' && $m[6] == ']')
		return substr($m[0], 1, -1);

	return $m[1] . $m[6];
}

function w2dc_is_anyone_in_taxonomy($tax) {
	//global $wpdb;
	//return $wpdb->get_var('SELECT COUNT(*) FROM ' . $wpdb->term_taxonomy . ' WHERE `taxonomy`="' . $tax . '"');
	
	return count(get_categories(array('taxonomy' => $tax, 'hide_empty' => false, 'parent' => 0, 'number' => 1)));
}

function w2dc_comments_open($post_id = null) {
	if (get_option('w2dc_listings_comments_mode') == 'enabled' || (get_option('w2dc_listings_comments_mode') == 'wp_settings' && comments_open($post_id))) {
		$comments_open = true;
	} else { 
		$comments_open = false;
	}
	
	$comments_open = apply_filters('w2dc_comments_open', $comments_open, $post_id);
	
	return $comments_open;
}

function w2dc_comments_system($listing) {
	$use_comments_template = true;
	
	$use_comments_template = apply_filters('w2dc_do_use_comments_template', $use_comments_template, $listing);
	
	if ($use_comments_template) {
		// ratings addon has "Comments mode" setting:
		// 1. disabled
		// 2. comments system of installed theme or another plugin
		// 3. use simple directory comments 
		// By default it uses native theme's comments template
		
		// display comments only once
		global $w2dc_comments_displayed;
		$w2dc_comments_displayed = false;
		
		comments_template('', true);
		
		$w2dc_comments_displayed = true;
	} else {
		// when ratings addon enabled and richtext reviews option is switched on - W2DC_RATINGS_TEMPLATES_PATH/reviews_template.tpl.php
		do_action('w2dc_comments_system', $listing);
	}
}

function w2dc_comments_label($listing) {
	$label =  _n('Comment', 'Comments', $listing->post->comment_count, 'W2DC') . ' (' . $listing->post->comment_count . ')';
	
	$label = apply_filters('w2dc_comments_label', $label, $listing);
	
	return $label;
}

function w2dc_comments_reply_label($listing) {
	$label =  sprintf(_n('%d reply', '%d replies', $listing->post->comment_count, 'W2DC'), $listing->post->comment_count);
	
	$label = apply_filters('w2dc_comments_reply_label', $label, $listing);
	
	return $label;
}

/**
 * full path required: /category/subcategory/
 * 
 */
function w2dc_get_term_by_path($term_path, $full_match = true, $output = OBJECT) {
	$term_path = rawurlencode( urldecode( $term_path ) );
	$term_path = str_replace( '%2F', '/', $term_path );
	$term_path = str_replace( '%20', ' ', $term_path );

	global $wp_rewrite;
	if ($wp_rewrite->using_permalinks()) {
		$term_paths = '/' . trim( $term_path, '/' );
		$leaf_path  = sanitize_title( basename( $term_paths ) );
		$term_paths = explode( '/', $term_paths );
		$full_path = '';
		foreach ( (array) $term_paths as $pathdir )
			$full_path .= ( $pathdir != '' ? '/' : '' ) . sanitize_title( $pathdir );
	
		//$terms = get_terms( array(W2DC_CATEGORIES_TAX, W2DC_LOCATIONS_TAX, W2DC_TAGS_TAX), array('get' => 'all', 'slug' => $leaf_path) );
		$terms = array();
		if ($term = get_term_by('slug', $leaf_path, W2DC_CATEGORIES_TAX))
			$terms[] = $term;
		if ($term = get_term_by('slug', $leaf_path, W2DC_LOCATIONS_TAX))
			$terms[] = $term;
		if ($term = get_term_by('slug', $leaf_path, W2DC_TAGS_TAX))
			$terms[] = $term;
	
		if ( empty( $terms ) )
			return null;
	
		foreach ( $terms as $term ) {
			$path = '/' . $leaf_path;
			$curterm = $term;
			while ( ( $curterm->parent != 0 ) && ( $curterm->parent != $curterm->term_id ) ) {
				$curterm = get_term( $curterm->parent, $term->taxonomy );
				if ( is_wp_error( $curterm ) )
					return $curterm;
				$path = '/' . $curterm->slug . $path;
			}

			if ( $path == $full_path ) {
				$term = get_term( $term->term_id, $term->taxonomy, $output );
				_make_cat_compat( $term );
				return $term;
			}
		}
	
		// If full matching is not required, return the first cat that matches the leaf.
		if ( ! $full_match ) {
			$term = reset( $terms );
			$term = get_term( $term->term_id, $term->taxonomy, $output );
			_make_cat_compat( $term );
			return $term;
		}
	} else {
		if ($term = get_term_by('slug', $term_path, W2DC_CATEGORIES_TAX))
			return $term;
		if ($term = get_term_by('slug', $term_path, W2DC_LOCATIONS_TAX))
			return $term;
		if ($term = get_term_by('slug', $term_path, W2DC_TAGS_TAX))
			return $term;
	}

	return null;
}

function w2dc_get_fa_icons_names() {
	$icons[] = 'w2dc-fa-adjust';
	$icons[] = 'w2dc-fa-adn';
	$icons[] = 'w2dc-fa-align-center';
	$icons[] = 'w2dc-fa-align-justify';
	$icons[] = 'w2dc-fa-align-left';
	$icons[] = 'w2dc-fa-align-right';
	$icons[] = 'w2dc-fa-ambulance';
	$icons[] = 'w2dc-fa-anchor';
	$icons[] = 'w2dc-fa-android';
	$icons[] = 'w2dc-fa-angellist';
	$icons[] = 'w2dc-fa-angle-double-down';
	$icons[] = 'w2dc-fa-angle-double-left';
	$icons[] = 'w2dc-fa-angle-double-right';
	$icons[] = 'w2dc-fa-angle-double-up';
	$icons[] = 'w2dc-fa-angle-down';
	$icons[] = 'w2dc-fa-angle-left';
	$icons[] = 'w2dc-fa-angle-right';
	$icons[] = 'w2dc-fa-angle-up';
	$icons[] = 'w2dc-fa-apple';
	$icons[] = 'w2dc-fa-archive';
	$icons[] = 'w2dc-fa-area-chart';
	$icons[] = 'w2dc-fa-arrow-circle-down';
	$icons[] = 'w2dc-fa-arrow-circle-left';
	$icons[] = 'w2dc-fa-arrow-circle-o-down';
	$icons[] = 'w2dc-fa-arrow-circle-o-left';
	$icons[] = 'w2dc-fa-arrow-circle-o-right';
	$icons[] = 'w2dc-fa-arrow-circle-o-up';
	$icons[] = 'w2dc-fa-arrow-circle-right';
	$icons[] = 'w2dc-fa-arrow-circle-up';
	$icons[] = 'w2dc-fa-arrow-down';
	$icons[] = 'w2dc-fa-arrow-left';
	$icons[] = 'w2dc-fa-arrow-right';
	$icons[] = 'w2dc-fa-arrow-up';
	$icons[] = 'w2dc-fa-arrows';
	$icons[] = 'w2dc-fa-arrows-alt';
	$icons[] = 'w2dc-fa-arrows-h';
	$icons[] = 'w2dc-fa-arrows-v';
	$icons[] = 'w2dc-fa-asterisk';
	$icons[] = 'w2dc-fa-at';
	$icons[] = 'w2dc-fa-automobile';
	$icons[] = 'w2dc-fa-backward';
	$icons[] = 'w2dc-fa-ban';
	$icons[] = 'w2dc-fa-bank';
	$icons[] = 'w2dc-fa-bar-chart';
	$icons[] = 'w2dc-fa-bar-chart-o';
	$icons[] = 'w2dc-fa-barcode';
	$icons[] = 'w2dc-fa-bars';
	$icons[] = 'w2dc-fa-bed';
	$icons[] = 'w2dc-fa-beer';
	$icons[] = 'w2dc-fa-behance';
	$icons[] = 'w2dc-fa-behance-square';
	$icons[] = 'w2dc-fa-bell';
	$icons[] = 'w2dc-fa-bell-o';
	$icons[] = 'w2dc-fa-bell-slash';
	$icons[] = 'w2dc-fa-bell-slash-o';
	$icons[] = 'w2dc-fa-bicycle';
	$icons[] = 'w2dc-fa-binoculars';
	$icons[] = 'w2dc-fa-birthday-cake';
	$icons[] = 'w2dc-fa-bitbucket';
	$icons[] = 'w2dc-fa-bitbucket-square';
	$icons[] = 'w2dc-fa-bitcoin';
	$icons[] = 'w2dc-fa-bold';
	$icons[] = 'w2dc-fa-bolt';
	$icons[] = 'w2dc-fa-bomb';
	$icons[] = 'w2dc-fa-book';
	$icons[] = 'w2dc-fa-bookmark';
	$icons[] = 'w2dc-fa-bookmark-o';
	$icons[] = 'w2dc-fa-briefcase';
	$icons[] = 'w2dc-fa-btc';
	$icons[] = 'w2dc-fa-bug';
	$icons[] = 'w2dc-fa-building';
	$icons[] = 'w2dc-fa-building-o';
	$icons[] = 'w2dc-fa-bullhorn';
	$icons[] = 'w2dc-fa-bullseye';
	$icons[] = 'w2dc-fa-bus';
	$icons[] = 'w2dc-fa-buysellads';
	$icons[] = 'w2dc-fa-cab';
	$icons[] = 'w2dc-fa-calculator';
	$icons[] = 'w2dc-fa-calendar';
	$icons[] = 'w2dc-fa-calendar-o';
	$icons[] = 'w2dc-fa-camera';
	$icons[] = 'w2dc-fa-camera-retro';
	$icons[] = 'w2dc-fa-car';
	$icons[] = 'w2dc-fa-caret-down';
	$icons[] = 'w2dc-fa-caret-left';
	$icons[] = 'w2dc-fa-caret-right';
	$icons[] = 'w2dc-fa-caret-square-o-down';
	$icons[] = 'w2dc-fa-caret-square-o-left';
	$icons[] = 'w2dc-fa-caret-square-o-right';
	$icons[] = 'w2dc-fa-caret-square-o-up';
	$icons[] = 'w2dc-fa-caret-up';
	$icons[] = 'w2dc-fa-cart-arrow-down';
	$icons[] = 'w2dc-fa-cart-plus';
	$icons[] = 'w2dc-fa-cc';
	$icons[] = 'w2dc-fa-cc-amex';
	$icons[] = 'w2dc-fa-cc-discover';
	$icons[] = 'w2dc-fa-cc-mastercard';
	$icons[] = 'w2dc-fa-cc-paypal';
	$icons[] = 'w2dc-fa-cc-stripe';
	$icons[] = 'w2dc-fa-cc-visa';
	$icons[] = 'w2dc-fa-certificate';
	$icons[] = 'w2dc-fa-chain';
	$icons[] = 'w2dc-fa-chain-broken';
	$icons[] = 'w2dc-fa-check';
	$icons[] = 'w2dc-fa-check-circle';
	$icons[] = 'w2dc-fa-check-circle-o';
	$icons[] = 'w2dc-fa-check-square';
	$icons[] = 'w2dc-fa-check-square-o';
	$icons[] = 'w2dc-fa-chevron-circle-down';
	$icons[] = 'w2dc-fa-chevron-circle-left';
	$icons[] = 'w2dc-fa-chevron-circle-right';
	$icons[] = 'w2dc-fa-chevron-circle-up';
	$icons[] = 'w2dc-fa-chevron-down';
	$icons[] = 'w2dc-fa-chevron-left';
	$icons[] = 'w2dc-fa-chevron-right';
	$icons[] = 'w2dc-fa-chevron-up';
	$icons[] = 'w2dc-fa-child';
	$icons[] = 'w2dc-fa-circle';
	$icons[] = 'w2dc-fa-circle-o';
	$icons[] = 'w2dc-fa-circle-o-notch';
	$icons[] = 'w2dc-fa-circle-thin';
	$icons[] = 'w2dc-fa-clipboard';
	$icons[] = 'w2dc-fa-clock-o';
	$icons[] = 'w2dc-fa-close';
	$icons[] = 'w2dc-fa-cloud';
	$icons[] = 'w2dc-fa-cloud-download';
	$icons[] = 'w2dc-fa-cloud-upload';
	$icons[] = 'w2dc-fa-cny';
	$icons[] = 'w2dc-fa-code';
	$icons[] = 'w2dc-fa-code-fork';
	$icons[] = 'w2dc-fa-codepen';
	$icons[] = 'w2dc-fa-coffee';
	$icons[] = 'w2dc-fa-cog';
	$icons[] = 'w2dc-fa-cogs';
	$icons[] = 'w2dc-fa-columns';
	$icons[] = 'w2dc-fa-comment';
	$icons[] = 'w2dc-fa-comment-o';
	$icons[] = 'w2dc-fa-comments';
	$icons[] = 'w2dc-fa-comments-o';
	$icons[] = 'w2dc-fa-compass';
	$icons[] = 'w2dc-fa-compress';
	$icons[] = 'w2dc-fa-connectdevelop';
	$icons[] = 'w2dc-fa-copy';
	$icons[] = 'w2dc-fa-copyright';
	$icons[] = 'w2dc-fa-credit-card';
	$icons[] = 'w2dc-fa-crop';
	$icons[] = 'w2dc-fa-crosshairs';
	$icons[] = 'w2dc-fa-css3';
	$icons[] = 'w2dc-fa-cube';
	$icons[] = 'w2dc-fa-cubes';
	$icons[] = 'w2dc-fa-cut';
	$icons[] = 'w2dc-fa-cutlery';
	$icons[] = 'w2dc-fa-dashboard';
	$icons[] = 'w2dc-fa-dashcube';
	$icons[] = 'w2dc-fa-database';
	$icons[] = 'w2dc-fa-dedent';
	$icons[] = 'w2dc-fa-delicious';
	$icons[] = 'w2dc-fa-desktop';
	$icons[] = 'w2dc-fa-deviantart';
	$icons[] = 'w2dc-fa-diamond';
	$icons[] = 'w2dc-fa-digg';
	$icons[] = 'w2dc-fa-dollar';
	$icons[] = 'w2dc-fa-dot-circle-o';
	$icons[] = 'w2dc-fa-download';
	$icons[] = 'w2dc-fa-dribbble';
	$icons[] = 'w2dc-fa-dropbox';
	$icons[] = 'w2dc-fa-drupal';
	$icons[] = 'w2dc-fa-edit';
	$icons[] = 'w2dc-fa-eject';
	$icons[] = 'w2dc-fa-ellipsis-h';
	$icons[] = 'w2dc-fa-ellipsis-v';
	$icons[] = 'w2dc-fa-empire';
	$icons[] = 'w2dc-fa-envelope';
	$icons[] = 'w2dc-fa-envelope-o';
	$icons[] = 'w2dc-fa-envelope-square';
	$icons[] = 'w2dc-fa-eraser';
	$icons[] = 'w2dc-fa-eur';
	$icons[] = 'w2dc-fa-euro';
	$icons[] = 'w2dc-fa-exchange';
	$icons[] = 'w2dc-fa-exclamation';
	$icons[] = 'w2dc-fa-exclamation-circle';
	$icons[] = 'w2dc-fa-exclamation-triangle';
	$icons[] = 'w2dc-fa-expand';
	$icons[] = 'w2dc-fa-external-link';
	$icons[] = 'w2dc-fa-external-link-square';
	$icons[] = 'w2dc-fa-eye';
	$icons[] = 'w2dc-fa-eye-slash';
	$icons[] = 'w2dc-fa-eyedropper';
	$icons[] = 'w2dc-fa-facebook';
	$icons[] = 'w2dc-fa-facebook-f';
	$icons[] = 'w2dc-fa-facebook-official';
	$icons[] = 'w2dc-fa-facebook-square';
	$icons[] = 'w2dc-fa-fast-backward';
	$icons[] = 'w2dc-fa-fast-forward';
	$icons[] = 'w2dc-fa-fax';
	$icons[] = 'w2dc-fa-female';
	$icons[] = 'w2dc-fa-fighter-jet';
	$icons[] = 'w2dc-fa-file';
	$icons[] = 'w2dc-fa-file-archive-o';
	$icons[] = 'w2dc-fa-file-audio-o';
	$icons[] = 'w2dc-fa-file-code-o';
	$icons[] = 'w2dc-fa-file-excel-o';
	$icons[] = 'w2dc-fa-file-image-o';
	$icons[] = 'w2dc-fa-file-movie-o';
	$icons[] = 'w2dc-fa-file-o';
	$icons[] = 'w2dc-fa-file-pdf-o';
	$icons[] = 'w2dc-fa-file-photo-o';
	$icons[] = 'w2dc-fa-file-picture-o';
	$icons[] = 'w2dc-fa-file-powerpoint-o';
	$icons[] = 'w2dc-fa-file-sound-o';
	$icons[] = 'w2dc-fa-file-text';
	$icons[] = 'w2dc-fa-file-text-o';
	$icons[] = 'w2dc-fa-file-video-o';
	$icons[] = 'w2dc-fa-file-word-o';
	$icons[] = 'w2dc-fa-file-zip-o';
	$icons[] = 'w2dc-fa-files-o';
	$icons[] = 'w2dc-fa-film';
	$icons[] = 'w2dc-fa-filter';
	$icons[] = 'w2dc-fa-fire';
	$icons[] = 'w2dc-fa-fire-extinguisher';
	$icons[] = 'w2dc-fa-flag';
	$icons[] = 'w2dc-fa-flag-checkered';
	$icons[] = 'w2dc-fa-flag-o';
	$icons[] = 'w2dc-fa-flash';
	$icons[] = 'w2dc-fa-flask';
	$icons[] = 'w2dc-fa-flickr';
	$icons[] = 'w2dc-fa-floppy-o';
	$icons[] = 'w2dc-fa-folder';
	$icons[] = 'w2dc-fa-folder-o';
	$icons[] = 'w2dc-fa-folder-open';
	$icons[] = 'w2dc-fa-folder-open-o';
	$icons[] = 'w2dc-fa-font';
	$icons[] = 'w2dc-fa-forumbee';
	$icons[] = 'w2dc-fa-forward';
	$icons[] = 'w2dc-fa-foursquare';
	$icons[] = 'w2dc-fa-frown-o';
	$icons[] = 'w2dc-fa-futbol-o';
	$icons[] = 'w2dc-fa-gamepad';
	$icons[] = 'w2dc-fa-gavel';
	$icons[] = 'w2dc-fa-gbp';
	$icons[] = 'w2dc-fa-ge';
	$icons[] = 'w2dc-fa-gear';
	$icons[] = 'w2dc-fa-gears';
	$icons[] = 'w2dc-fa-genderless';
	$icons[] = 'w2dc-fa-gift';
	$icons[] = 'w2dc-fa-git';
	$icons[] = 'w2dc-fa-git-square';
	$icons[] = 'w2dc-fa-github';
	$icons[] = 'w2dc-fa-github-alt';
	$icons[] = 'w2dc-fa-github-square';
	$icons[] = 'w2dc-fa-gittip';
	$icons[] = 'w2dc-fa-glass';
	$icons[] = 'w2dc-fa-globe';
	$icons[] = 'w2dc-fa-google';
	$icons[] = 'w2dc-fa-google-plus';
	$icons[] = 'w2dc-fa-google-plus-square';
	$icons[] = 'w2dc-fa-google-wallet';
	$icons[] = 'w2dc-fa-graduation-cap';
	$icons[] = 'w2dc-fa-gratipay';
	$icons[] = 'w2dc-fa-group';
	$icons[] = 'w2dc-fa-h-square';
	$icons[] = 'w2dc-fa-hacker-news';
	$icons[] = 'w2dc-fa-hand-o-down';
	$icons[] = 'w2dc-fa-hand-o-left';
	$icons[] = 'w2dc-fa-hand-o-right';
	$icons[] = 'w2dc-fa-hand-o-up';
	$icons[] = 'w2dc-fa-hdd-o';
	$icons[] = 'w2dc-fa-header';
	$icons[] = 'w2dc-fa-headphones';
	$icons[] = 'w2dc-fa-heart';
	$icons[] = 'w2dc-fa-heart-o';
	$icons[] = 'w2dc-fa-heartbeat';
	$icons[] = 'w2dc-fa-history';
	$icons[] = 'w2dc-fa-home';
	$icons[] = 'w2dc-fa-hospital-o';
	$icons[] = 'w2dc-fa-hotel';
	$icons[] = 'w2dc-fa-html5';
	$icons[] = 'w2dc-fa-ils';
	$icons[] = 'w2dc-fa-image';
	$icons[] = 'w2dc-fa-inbox';
	$icons[] = 'w2dc-fa-indent';
	$icons[] = 'w2dc-fa-info';
	$icons[] = 'w2dc-fa-info-circle';
	$icons[] = 'w2dc-fa-inr';
	$icons[] = 'w2dc-fa-instagram';
	$icons[] = 'w2dc-fa-institution';
	$icons[] = 'w2dc-fa-ioxhost';
	$icons[] = 'w2dc-fa-italic';
	$icons[] = 'w2dc-fa-joomla';
	$icons[] = 'w2dc-fa-jpy';
	$icons[] = 'w2dc-fa-jsfiddle';
	$icons[] = 'w2dc-fa-key';
	$icons[] = 'w2dc-fa-keyboard-o';
	$icons[] = 'w2dc-fa-krw';
	$icons[] = 'w2dc-fa-language';
	$icons[] = 'w2dc-fa-laptop';
	$icons[] = 'w2dc-fa-lastfm';
	$icons[] = 'w2dc-fa-lastfm-square';
	$icons[] = 'w2dc-fa-leaf';
	$icons[] = 'w2dc-fa-leanpub';
	$icons[] = 'w2dc-fa-legal';
	$icons[] = 'w2dc-fa-lemon-o';
	$icons[] = 'w2dc-fa-level-down';
	$icons[] = 'w2dc-fa-level-up';
	$icons[] = 'w2dc-fa-life-bouy';
	$icons[] = 'w2dc-fa-life-ring';
	$icons[] = 'w2dc-fa-life-saver';
	$icons[] = 'w2dc-fa-lightbulb-o';
	$icons[] = 'w2dc-fa-line-chart';
	$icons[] = 'w2dc-fa-link';
	$icons[] = 'w2dc-fa-linkedin';
	$icons[] = 'w2dc-fa-linkedin-square';
	$icons[] = 'w2dc-fa-linux';
	$icons[] = 'w2dc-fa-list';
	$icons[] = 'w2dc-fa-list-alt';
	$icons[] = 'w2dc-fa-list-ol';
	$icons[] = 'w2dc-fa-list-ul';
	$icons[] = 'w2dc-fa-location-arrow';
	$icons[] = 'w2dc-fa-lock';
	$icons[] = 'w2dc-fa-long-arrow-down';
	$icons[] = 'w2dc-fa-long-arrow-left';
	$icons[] = 'w2dc-fa-long-arrow-right';
	$icons[] = 'w2dc-fa-long-arrow-up';
	$icons[] = 'w2dc-fa-magic';
	$icons[] = 'w2dc-fa-magnet';
	$icons[] = 'w2dc-fa-mail-forward';
	$icons[] = 'w2dc-fa-mail-reply';
	$icons[] = 'w2dc-fa-mail-reply-all';
	$icons[] = 'w2dc-fa-male';
	$icons[] = 'w2dc-fa-map-marker';
	$icons[] = 'w2dc-fa-mars';
	$icons[] = 'w2dc-fa-mars-double';
	$icons[] = 'w2dc-fa-mars-stroke';
	$icons[] = 'w2dc-fa-mars-stroke-h';
	$icons[] = 'w2dc-fa-mars-stroke-v';
	$icons[] = 'w2dc-fa-maxcdn';
	$icons[] = 'w2dc-fa-meanpath';
	$icons[] = 'w2dc-fa-medium';
	$icons[] = 'w2dc-fa-medkit';
	$icons[] = 'w2dc-fa-meh-o';
	$icons[] = 'w2dc-fa-mercury';
	$icons[] = 'w2dc-fa-microphone';
	$icons[] = 'w2dc-fa-microphone-slash';
	$icons[] = 'w2dc-fa-minus';
	$icons[] = 'w2dc-fa-minus-circle';
	$icons[] = 'w2dc-fa-minus-square';
	$icons[] = 'w2dc-fa-minus-square-o';
	$icons[] = 'w2dc-fa-mobile';
	$icons[] = 'w2dc-fa-mobile-phone';
	$icons[] = 'w2dc-fa-money';
	$icons[] = 'w2dc-fa-moon-o';
	$icons[] = 'w2dc-fa-mortar-board';
	$icons[] = 'w2dc-fa-motorcycle';
	$icons[] = 'w2dc-fa-music';
	$icons[] = 'w2dc-fa-navicon';
	$icons[] = 'w2dc-fa-neuter';
	$icons[] = 'w2dc-fa-newspaper-o';
	$icons[] = 'w2dc-fa-openid';
	$icons[] = 'w2dc-fa-outdent';
	$icons[] = 'w2dc-fa-pagelines';
	$icons[] = 'w2dc-fa-paint-brush';
	$icons[] = 'w2dc-fa-paper-plane';
	$icons[] = 'w2dc-fa-paper-plane-o';
	$icons[] = 'w2dc-fa-paperclip';
	$icons[] = 'w2dc-fa-paragraph';
	$icons[] = 'w2dc-fa-paste';
	$icons[] = 'w2dc-fa-pause';
	$icons[] = 'w2dc-fa-paw';
	$icons[] = 'w2dc-fa-paypal';
	$icons[] = 'w2dc-fa-pencil';
	$icons[] = 'w2dc-fa-pencil-square';
	$icons[] = 'w2dc-fa-pencil-square-o';
	$icons[] = 'w2dc-fa-phone';
	$icons[] = 'w2dc-fa-phone-square';
	$icons[] = 'w2dc-fa-photo';
	$icons[] = 'w2dc-fa-picture-o';
	$icons[] = 'w2dc-fa-pie-chart';
	$icons[] = 'w2dc-fa-pied-piper';
	$icons[] = 'w2dc-fa-pied-piper-alt';
	$icons[] = 'w2dc-fa-pinterest';
	$icons[] = 'w2dc-fa-pinterest-p';
	$icons[] = 'w2dc-fa-pinterest-square';
	$icons[] = 'w2dc-fa-plane';
	$icons[] = 'w2dc-fa-play';
	$icons[] = 'w2dc-fa-play-circle';
	$icons[] = 'w2dc-fa-play-circle-o';
	$icons[] = 'w2dc-fa-plug';
	$icons[] = 'w2dc-fa-plus';
	$icons[] = 'w2dc-fa-plus-circle';
	$icons[] = 'w2dc-fa-plus-square';
	$icons[] = 'w2dc-fa-plus-square-o';
	$icons[] = 'w2dc-fa-power-off';
	$icons[] = 'w2dc-fa-print';
	$icons[] = 'w2dc-fa-puzzle-piece';
	$icons[] = 'w2dc-fa-qq';
	$icons[] = 'w2dc-fa-qrcode';
	$icons[] = 'w2dc-fa-question';
	$icons[] = 'w2dc-fa-question-circle';
	$icons[] = 'w2dc-fa-quote-left';
	$icons[] = 'w2dc-fa-quote-right';
	$icons[] = 'w2dc-fa-ra';
	$icons[] = 'w2dc-fa-random';
	$icons[] = 'w2dc-fa-rebel';
	$icons[] = 'w2dc-fa-recycle';
	$icons[] = 'w2dc-fa-reddit';
	$icons[] = 'w2dc-fa-reddit-square';
	$icons[] = 'w2dc-fa-refresh';
	$icons[] = 'w2dc-fa-remove';
	$icons[] = 'w2dc-fa-renren';
	$icons[] = 'w2dc-fa-reorder';
	$icons[] = 'w2dc-fa-repeat';
	$icons[] = 'w2dc-fa-reply';
	$icons[] = 'w2dc-fa-reply-all';
	$icons[] = 'w2dc-fa-retweet';
	$icons[] = 'w2dc-fa-rmb';
	$icons[] = 'w2dc-fa-road';
	$icons[] = 'w2dc-fa-rocket';
	$icons[] = 'w2dc-fa-rotate-left';
	$icons[] = 'w2dc-fa-rotate-right';
	$icons[] = 'w2dc-fa-rouble';
	$icons[] = 'w2dc-fa-rss';
	$icons[] = 'w2dc-fa-rss-square';
	$icons[] = 'w2dc-fa-rub';
	$icons[] = 'w2dc-fa-ruble';
	$icons[] = 'w2dc-fa-rupee';
	$icons[] = 'w2dc-fa-save';
	$icons[] = 'w2dc-fa-scissors';
	$icons[] = 'w2dc-fa-search';
	$icons[] = 'w2dc-fa-search-minus';
	$icons[] = 'w2dc-fa-search-plus';
	$icons[] = 'w2dc-fa-sellsy';
	$icons[] = 'w2dc-fa-send';
	$icons[] = 'w2dc-fa-send-o';
	$icons[] = 'w2dc-fa-server';
	$icons[] = 'w2dc-fa-share';
	$icons[] = 'w2dc-fa-share-alt';
	$icons[] = 'w2dc-fa-share-alt-square';
	$icons[] = 'w2dc-fa-share-square';
	$icons[] = 'w2dc-fa-share-square-o';
	$icons[] = 'w2dc-fa-shekel';
	$icons[] = 'w2dc-fa-sheqel';
	$icons[] = 'w2dc-fa-shield';
	$icons[] = 'w2dc-fa-ship';
	$icons[] = 'w2dc-fa-shirtsinbulk';
	$icons[] = 'w2dc-fa-shopping-cart';
	$icons[] = 'w2dc-fa-sign-out';
	$icons[] = 'w2dc-fa-signal';
	$icons[] = 'w2dc-fa-simplybuilt';
	$icons[] = 'w2dc-fa-sitemap';
	$icons[] = 'w2dc-fa-skyatlas';
	$icons[] = 'w2dc-fa-skype';
	$icons[] = 'w2dc-fa-slack';
	$icons[] = 'w2dc-fa-sliders';
	$icons[] = 'w2dc-fa-slideshare';
	$icons[] = 'w2dc-fa-smile-o';
	$icons[] = 'w2dc-fa-soccer-ball-o';
	$icons[] = 'w2dc-fa-sort';
	$icons[] = 'w2dc-fa-sort-alpha-asc';
	$icons[] = 'w2dc-fa-sort-alpha-desc';
	$icons[] = 'w2dc-fa-sort-amount-asc';
	$icons[] = 'w2dc-fa-sort-amount-desc';
	$icons[] = 'w2dc-fa-sort-asc';
	$icons[] = 'w2dc-fa-sort-desc';
	$icons[] = 'w2dc-fa-sort-down';
	$icons[] = 'w2dc-fa-sort-numeric-asc';
	$icons[] = 'w2dc-fa-sort-numeric-desc';
	$icons[] = 'w2dc-fa-sort-up';
	$icons[] = 'w2dc-fa-soundcloud';
	$icons[] = 'w2dc-fa-space-shuttle';
	$icons[] = 'w2dc-fa-spinner';
	$icons[] = 'w2dc-fa-spoon';
	$icons[] = 'w2dc-fa-spotify';
	$icons[] = 'w2dc-fa-square';
	$icons[] = 'w2dc-fa-square-o';
	$icons[] = 'w2dc-fa-stack-exchange';
	$icons[] = 'w2dc-fa-stack-overflow';
	$icons[] = 'w2dc-fa-star';
	$icons[] = 'w2dc-fa-star-half';
	$icons[] = 'w2dc-fa-star-half-empty';
	$icons[] = 'w2dc-fa-star-half-full';
	$icons[] = 'w2dc-fa-star-half-o';
	$icons[] = 'w2dc-fa-star-o';
	$icons[] = 'w2dc-fa-steam';
	$icons[] = 'w2dc-fa-steam-square';
	$icons[] = 'w2dc-fa-step-backward';
	$icons[] = 'w2dc-fa-step-forward';
	$icons[] = 'w2dc-fa-stethoscope';
	$icons[] = 'w2dc-fa-stop';
	$icons[] = 'w2dc-fa-street-view';
	$icons[] = 'w2dc-fa-strikethrough';
	$icons[] = 'w2dc-fa-stumbleupon';
	$icons[] = 'w2dc-fa-stumbleupon-circle';
	$icons[] = 'w2dc-fa-subscript';
	$icons[] = 'w2dc-fa-subway';
	$icons[] = 'w2dc-fa-suitcase';
	$icons[] = 'w2dc-fa-sun-o';
	$icons[] = 'w2dc-fa-superscript';
	$icons[] = 'w2dc-fa-support';
	$icons[] = 'w2dc-fa-table';
	$icons[] = 'w2dc-fa-tablet';
	$icons[] = 'w2dc-fa-tachometer';
	$icons[] = 'w2dc-fa-tag';
	$icons[] = 'w2dc-fa-tags';
	$icons[] = 'w2dc-fa-tasks';
	$icons[] = 'w2dc-fa-taxi';
	$icons[] = 'w2dc-fa-tencent-weibo';
	$icons[] = 'w2dc-fa-terminal';
	$icons[] = 'w2dc-fa-text-height';
	$icons[] = 'w2dc-fa-text-width';
	$icons[] = 'w2dc-fa-th';
	$icons[] = 'w2dc-fa-th-large';
	$icons[] = 'w2dc-fa-th-list';
	$icons[] = 'w2dc-fa-thumb-tack';
	$icons[] = 'w2dc-fa-thumbs-down';
	$icons[] = 'w2dc-fa-thumbs-o-down';
	$icons[] = 'w2dc-fa-thumbs-o-up';
	$icons[] = 'w2dc-fa-thumbs-up';
	$icons[] = 'w2dc-fa-ticket';
	$icons[] = 'w2dc-fa-times';
	$icons[] = 'w2dc-fa-times-circle';
	$icons[] = 'w2dc-fa-times-circle-o';
	$icons[] = 'w2dc-fa-tint';
	$icons[] = 'w2dc-fa-toggle-down';
	$icons[] = 'w2dc-fa-toggle-left';
	$icons[] = 'w2dc-fa-toggle-off';
	$icons[] = 'w2dc-fa-toggle-on';
	$icons[] = 'w2dc-fa-toggle-right';
	$icons[] = 'w2dc-fa-toggle-up';
	$icons[] = 'w2dc-fa-train';
	$icons[] = 'w2dc-fa-transgender';
	$icons[] = 'w2dc-fa-transgender-alt';
	$icons[] = 'w2dc-fa-trash';
	$icons[] = 'w2dc-fa-trash-o';
	$icons[] = 'w2dc-fa-tree';
	$icons[] = 'w2dc-fa-trello';
	$icons[] = 'w2dc-fa-trophy';
	$icons[] = 'w2dc-fa-truck';
	$icons[] = 'w2dc-fa-try';
	$icons[] = 'w2dc-fa-tty';
	$icons[] = 'w2dc-fa-tumblr';
	$icons[] = 'w2dc-fa-tumblr-square';
	$icons[] = 'w2dc-fa-turkish-lira';
	$icons[] = 'w2dc-fa-twitch';
	$icons[] = 'w2dc-fa-twitter';
	$icons[] = 'w2dc-fa-twitter-square';
	$icons[] = 'w2dc-fa-umbrella';
	$icons[] = 'w2dc-fa-underline';
	$icons[] = 'w2dc-fa-undo';
	$icons[] = 'w2dc-fa-university';
	$icons[] = 'w2dc-fa-unlink';
	$icons[] = 'w2dc-fa-unlock';
	$icons[] = 'w2dc-fa-unlock-alt';
	$icons[] = 'w2dc-fa-unsorted';
	$icons[] = 'w2dc-fa-upload';
	$icons[] = 'w2dc-fa-usd';
	$icons[] = 'w2dc-fa-user';
	$icons[] = 'w2dc-fa-user-md';
	$icons[] = 'w2dc-fa-user-plus';
	$icons[] = 'w2dc-fa-user-secret';
	$icons[] = 'w2dc-fa-user-times';
	$icons[] = 'w2dc-fa-users';
	$icons[] = 'w2dc-fa-venus';
	$icons[] = 'w2dc-fa-venus-double';
	$icons[] = 'w2dc-fa-venus-mars';
	$icons[] = 'w2dc-fa-viacoin';
	$icons[] = 'w2dc-fa-video-camera';
	$icons[] = 'w2dc-fa-vimeo-square';
	$icons[] = 'w2dc-fa-vine';
	$icons[] = 'w2dc-fa-vk';
	$icons[] = 'w2dc-fa-volume-down';
	$icons[] = 'w2dc-fa-volume-off';
	$icons[] = 'w2dc-fa-volume-up';
	$icons[] = 'w2dc-fa-warning';
	$icons[] = 'w2dc-fa-wechat';
	$icons[] = 'w2dc-fa-weibo';
	$icons[] = 'w2dc-fa-weixin';
	$icons[] = 'w2dc-fa-whatsapp';
	$icons[] = 'w2dc-fa-wheelchair';
	$icons[] = 'w2dc-fa-wifi';
	$icons[] = 'w2dc-fa-windows';
	$icons[] = 'w2dc-fa-won';
	$icons[] = 'w2dc-fa-wordpress';
	$icons[] = 'w2dc-fa-wrench';
	$icons[] = 'w2dc-fa-xing';
	$icons[] = 'w2dc-fa-xing-square';
	$icons[] = 'w2dc-fa-yahoo';
	$icons[] = 'w2dc-fa-yen';
	$icons[] = 'w2dc-fa-youtube';
	$icons[] = 'w2dc-fa-youtube-play';
	$icons[] = 'w2dc-fa-youtube-square';
	return $icons;
}

function w2dc_current_user_can_edit_listing($listing_id) {
	
	$can_edit = apply_filters("w2dc_user_can_edit_listing", false, $listing_id);
	
	if ($can_edit) {
		return true;
	}
	
	if (!current_user_can('edit_others_posts')) {
		$post = get_post($listing_id);
		$current_user = wp_get_current_user();
		if ($current_user->ID != $post->post_author) {
			return false;
		}
		if ($post->post_status == 'pending'  && !is_admin()) {
			return false;
		}
	}
	return true;
}

function w2dc_current_user_can_delete_listing($listing_id) {
	if (!current_user_can('edit_others_posts')) {
		$post = get_post($listing_id);
		$current_user = wp_get_current_user();
		if ($current_user->ID != $post->post_author) {
			return false;
		}
	}
	return true;
}

function w2dc_get_edit_listing_link($listing_id, $context = 'display') {
	if (w2dc_current_user_can_edit_listing($listing_id)) {
		$post = get_post($listing_id);
		$current_user = wp_get_current_user();
		if (current_user_can('edit_others_posts') && $current_user->ID != $post->post_author)
			return get_edit_post_link($listing_id, $context);
		else
			return apply_filters('w2dc_get_edit_listing_link', get_edit_post_link($listing_id, $context), $listing_id);
	}
}

function w2dc_show_edit_button($listing_id) {
	global $w2dc_instance;
	if (
		w2dc_current_user_can_edit_listing($listing_id)
		&&
		(
			(get_option('w2dc_fsubmit_addon') && isset($w2dc_instance->dashboard_page_url) && $w2dc_instance->dashboard_page_url)
			||
			((!get_option('w2dc_fsubmit_addon') || !isset($w2dc_instance->dashboard_page_url) || !$w2dc_instance->dashboard_page_url) && !get_option('w2dc_hide_admin_bar') && current_user_can('edit_posts'))
		)
	)
		return true;
}

function w2dc_hex2rgba($color, $opacity = false) {
	$default = 'rgb(0,0,0)';

	//Return default if no color provided
	if(empty($color))
		return $default;

	//Sanitize $color if "#" is provided
	if ($color[0] == '#' ) {
		$color = substr( $color, 1 );
	}

	//Check if color has 6 or 3 characters and get values
	if (strlen($color) == 6) {
		$hex = array( $color[0] . $color[1], $color[2] . $color[3], $color[4] . $color[5] );
	} elseif ( strlen( $color ) == 3 ) {
		$hex = array( $color[0] . $color[0], $color[1] . $color[1], $color[2] . $color[2] );
	} else {
		return $default;
	}

	//Convert hexadec to rgb
	$rgb =  array_map('hexdec', $hex);

	//Check if opacity is set(rgba or rgb)
	if (abs($opacity) > 1) {
		$opacity = 1.0;
	} elseif (abs($opacity) < 0) {
		$opacity = 0;
	}
	$output = 'rgba('.implode(",",$rgb).','.$opacity.')';

	//Return rgb(a) color string
	return $output;
}

function w2dc_adjust_brightness($hex, $steps) {
	// Steps should be between -255 and 255. Negative = darker, positive = lighter
	$steps = max(-255, min(255, $steps));

	// Normalize into a six character long hex string
	$hex = str_replace('#', '', $hex);
	if (strlen($hex) == 3) {
		$hex = str_repeat(substr($hex,0,1), 2).str_repeat(substr($hex,1,1), 2).str_repeat(substr($hex,2,1), 2);
	}

	// Split into three parts: R, G and B
	$color_parts = str_split($hex, 2);
	$return = '#';

	foreach ($color_parts as $color) {
		$color   = hexdec($color); // Convert to decimal
		$color   = max(0,min(255,$color + $steps)); // Adjust color
		$return .= str_pad(dechex($color), 2, '0', STR_PAD_LEFT); // Make two char hex code
	}

	return $return;
}

// adapted for Relevanssi
function w2dc_is_relevanssi_search($defaults = false) {
	if (
		function_exists('relevanssi_do_query') &&
		(
				(
						!$defaults &&
						w2dc_getValue($_REQUEST, 'keywords')
				) ||
				($defaults && isset($defaults['keywords']) && $defaults['keywords'])
		)
	) {
		return apply_filters('w2dc_is_relevanssi_search', true, $defaults);
	}
}

/**
 * print class name to make field caption shorter
 * 
 * @param object $group
 * @return boolean
 */
function w2dc_is_any_field_name_in_group($group) {
	if ($group) {
		foreach ($group->content_fields_array AS $field_id=>$field) {
			if (!$field->is_hide_name) {
				return true;
			}
		}
		echo "w2dc-field-caption-short";
		return false;
	}
}

function w2dc_is_maps_used() {
	global $w2dc_instance;
	
	$is_used = apply_filters("w2dc_is_maps_used", true);
	
	if (!$is_used) {
		return false;
	}
	
	if (get_option("w2dc_map_type") == 'none') {
		return false;
	}
	
	foreach ($w2dc_instance->levels->levels_array as $level) {
		if ($level->map) {
			return true;
		}
	}
	return false;
}

function w2dc_error_log($wp_error) {
	w2dc_addMessage($wp_error->get_error_message(), 'error');
	error_log($wp_error->get_error_message());
}

function w2dc_country_codes() {
	$codes['Afghanistan'] = 'AF';
	$codes['Åland Islands'] = 'AX';
	$codes['Albania'] = 'AL';
	$codes['Algeria'] = 'DZ';
	$codes['American Samoa'] = 'AS';
	$codes['Andorra'] = 'AD';
	$codes['Angola'] = 'AO';
	$codes['Anguilla'] = 'AI';
	$codes['Antarctica'] = 'AQ';
	$codes['Antigua and Barbuda'] = 'AG';
	$codes['Argentina'] = 'AR';
	$codes['Armenia'] = 'AM';
	$codes['Aruba'] = 'AW';
	$codes['Australia'] = 'AU';
	$codes['Austria'] = 'AT';
	$codes['Azerbaijan'] = 'AZ';
	$codes['Bahamas'] = 'BS';
	$codes['Bahrain'] = 'BH';
	$codes['Bangladesh'] = 'BD';
	$codes['Barbados'] = 'BB';
	$codes['Belarus'] = 'BY';
	$codes['Belgium'] = 'BE';
	$codes['Belize'] = 'BZ';
	$codes['Benin'] = 'BJ';
	$codes['Bermuda'] = 'BM';
	$codes['Bhutan'] = 'BT';
	$codes['Bolivia, Plurinational State of'] = 'BO';
	$codes['Bonaire, Sint Eustatius and Saba'] = 'BQ';
	$codes['Bosnia and Herzegovina'] = 'BA';
	$codes['Botswana'] = 'BW';
	$codes['Bouvet Island'] = 'BV';
	$codes['Brazil'] = 'BR';
	$codes['British Indian Ocean Territory'] = 'IO';
	$codes['Brunei Darussalam'] = 'BN';
	$codes['Bulgaria'] = 'BG';
	$codes['Burkina Faso'] = 'BF';
	$codes['Burundi'] = 'BI';
	$codes['Cambodia'] = 'KH';
	$codes['Cameroon'] = 'CM';
	$codes['Canada'] = 'CA';
	$codes['Cape Verde'] = 'CV';
	$codes['Cayman Islands'] = 'KY';
	$codes['Central African Republic'] = 'CF';
	$codes['Chad'] = 'TD';
	$codes['Chile'] = 'CL';
	$codes['China'] = 'CN';
	$codes['Christmas Island'] = 'CX';
	$codes['Cocos (Keeling) Islands'] = 'CC';
	$codes['Colombia'] = 'CO';
	$codes['Comoros'] = 'KM';
	$codes['Congo'] = 'CG';
	$codes['Congo, the Democratic Republic of the'] = 'CD';
	$codes['Cook Islands'] = 'CK';
	$codes['Costa Rica'] = 'CR';
	$codes['Côte d\'Ivoire'] = 'CI';
	$codes['Croatia'] = 'HR';
	$codes['Cuba'] = 'CU';
	$codes['Curaçao'] = 'CW';
	$codes['Cyprus'] = 'CY';
	$codes['Czech Republic'] = 'CZ';
	$codes['Denmark'] = 'DK';
	$codes['Djibouti'] = 'DJ';
	$codes['Dominica'] = 'DM';
	$codes['Dominican Republic'] = 'DO';
	$codes['Ecuador'] = 'EC';
	$codes['Egypt'] = 'EG';
	$codes['El Salvador'] = 'SV';
	$codes['Equatorial Guinea'] = 'GQ';
	$codes['Eritrea'] = 'ER';
	$codes['Estonia'] = 'EE';
	$codes['Ethiopia'] = 'ET';
	$codes['Falkland Islands (Malvinas)'] = 'FK';
	$codes['Faroe Islands'] = 'FO';
	$codes['Fiji'] = 'FJ';
	$codes['Finland'] = 'FI';
	$codes['France'] = 'FR';
	$codes['French Guiana'] = 'GF';
	$codes['French Polynesia'] = 'PF';
	$codes['French Southern Territories'] = 'TF';
	$codes['Gabon'] = 'GA';
	$codes['Gambia'] = 'GM';
	$codes['Georgia'] = 'GE';
	$codes['Germany'] = 'DE';
	$codes['Ghana'] = 'GH';
	$codes['Gibraltar'] = 'GI';
	$codes['Greece'] = 'GR';
	$codes['Greenland'] = 'GL';
	$codes['Grenada'] = 'GD';
	$codes['Guadeloupe'] = 'GP';
	$codes['Guam'] = 'GU';
	$codes['Guatemala'] = 'GT';
	$codes['Guernsey'] = 'GG';
	$codes['Guinea'] = 'GN';
	$codes['Guinea-Bissau'] = 'GW';
	$codes['Guyana'] = 'GY';
	$codes['Haiti'] = 'HT';
	$codes['Heard Island and McDonald Islands'] = 'HM';
	$codes['Holy See (Vatican City State)'] = 'VA';
	$codes['Honduras'] = 'HN';
	$codes['Hong Kong'] = 'HK';
	$codes['Hungary'] = 'HU';
	$codes['Iceland'] = 'IS';
	$codes['India'] = 'IN';
	$codes['Indonesia'] = 'ID';
	$codes['Iran, Islamic Republic of'] = 'IR';
	$codes['Iraq'] = 'IQ';
	$codes['Ireland'] = 'IE';
	$codes['Isle of Man'] = 'IM';
	$codes['Israel'] = 'IL';
	$codes['Italy'] = 'IT';
	$codes['Jamaica'] = 'JM';
	$codes['Japan'] = 'JP';
	$codes['Jersey'] = 'JE';
	$codes['Jordan'] = 'JO';
	$codes['Kazakhstan'] = 'KZ';
	$codes['Kenya'] = 'KE';
	$codes['Kiribati'] = 'KI';
	$codes['Korea, Democratic People\'s Republic of'] = 'KP';
	$codes['Korea, Republic of'] = 'KR';
	$codes['Kuwait'] = 'KW';
	$codes['Kyrgyzstan'] = 'KG';
	$codes['Lao People\'s Democratic Republic'] = 'LA';
	$codes['Latvia'] = 'LV';
	$codes['Lebanon'] = 'LB';
	$codes['Lesotho'] = 'LS';
	$codes['Liberia'] = 'LR';
	$codes['Libya'] = 'LY';
	$codes['Liechtenstein'] = 'LI';
	$codes['Lithuania'] = 'LT';
	$codes['Luxembourg'] = 'LU';
	$codes['Macao'] = 'MO';
	$codes['Macedonia, the Former Yugoslav Republic of'] = 'MK';
	$codes['Madagascar'] = 'MG';
	$codes['Malawi'] = 'MW';
	$codes['Malaysia'] = 'MY';
	$codes['Maldives'] = 'MV';
	$codes['Mali'] = 'ML';
	$codes['Malta'] = 'MT';
	$codes['Marshall Islands'] = 'MH';
	$codes['Martinique'] = 'MQ';
	$codes['Mauritania'] = 'MR';
	$codes['Mauritius'] = 'MU';
	$codes['Mayotte'] = 'YT';
	$codes['Mexico'] = 'MX';
	$codes['Micronesia, Federated States of'] = 'FM';
	$codes['Moldova, Republic of'] = 'MD';
	$codes['Monaco'] = 'MC';
	$codes['Mongolia'] = 'MN';
	$codes['Montenegro'] = 'ME';
	$codes['Montserrat'] = 'MS';
	$codes['Morocco'] = 'MA';
	$codes['Mozambique'] = 'MZ';
	$codes['Myanmar'] = 'MM';
	$codes['Namibia'] = 'NA';
	$codes['Nauru'] = 'NR';
	$codes['Nepal'] = 'NP';
	$codes['Netherlands'] = 'NL';
	$codes['New Caledonia'] = 'NC';
	$codes['New Zealand'] = 'NZ';
	$codes['Nicaragua'] = 'NI';
	$codes['Niger'] = 'NE';
	$codes['Nigeria'] = 'NG';
	$codes['Niue'] = 'NU';
	$codes['Norfolk Island'] = 'NF';
	$codes['Northern Mariana Islands'] = 'MP';
	$codes['Norway'] = 'NO';
	$codes['Oman'] = 'OM';
	$codes['Pakistan'] = 'PK';
	$codes['Palau'] = 'PW';
	$codes['Palestine, State of'] = 'PS';
	$codes['Panama'] = 'PA';
	$codes['Papua New Guinea'] = 'PG';
	$codes['Paraguay'] = 'PY';
	$codes['Peru'] = 'PE';
	$codes['Philippines'] = 'PH';
	$codes['Pitcairn'] = 'PN';
	$codes['Poland'] = 'PL';
	$codes['Portugal'] = 'PT';
	$codes['Puerto Rico'] = 'PR';
	$codes['Qatar'] = 'QA';
	$codes['Réunion'] = 'RE';
	$codes['Romania'] = 'RO';
	$codes['Russian Federation'] = 'RU';
	$codes['Rwanda'] = 'RW';
	$codes['Saint Barthélemy'] = 'BL';
	$codes['Saint Helena, Ascension and Tristan da Cunha'] = 'SH';
	$codes['Saint Kitts and Nevis'] = 'KN';
	$codes['Saint Lucia'] = 'LC';
	$codes['Saint Martin (French part)'] = 'MF';
	$codes['Saint Pierre and Miquelon'] = 'PM';
	$codes['Saint Vincent and the Grenadines'] = 'VC';
	$codes['Samoa'] = 'WS';
	$codes['San Marino'] = 'SM';
	$codes['Sao Tome and Principe'] = 'ST';
	$codes['Saudi Arabia'] = 'SA';
	$codes['Senegal'] = 'SN';
	$codes['Serbia'] = 'RS';
	$codes['Seychelles'] = 'SC';
	$codes['Sierra Leone'] = 'SL';
	$codes['Singapore'] = 'SG';
	$codes['Sint Maarten (Dutch part)'] = 'SX';
	$codes['Slovakia'] = 'SK';
	$codes['Slovenia'] = 'SI';
	$codes['Solomon Islands'] = 'SB';
	$codes['Somalia'] = 'SO';
	$codes['South Africa'] = 'ZA';
	$codes['South Georgia and the South Sandwich Islands'] = 'GS';
	$codes['South Sudan'] = 'SS';
	$codes['Spain'] = 'ES';
	$codes['Sri Lanka'] = 'LK';
	$codes['Sudan'] = 'SD';
	$codes['Suriname'] = 'SR';
	$codes['Svalbard and Jan Mayen'] = 'SJ';
	$codes['Swaziland'] = 'SZ';
	$codes['Sweden'] = 'SE';
	$codes['Switzerland'] = 'CH';
	$codes['Syrian Arab Republic'] = 'SY';
	$codes['Taiwan, Province of China"'] = 'TW';
	$codes['Tajikistan'] = 'TJ';
	$codes['"Tanzania, United Republic of"'] = 'TZ';
	$codes['Thailand'] = 'TH';
	$codes['Timor-Leste'] = 'TL';
	$codes['Togo'] = 'TG';
	$codes['Tokelau'] = 'TK';
	$codes['Tonga'] = 'TO';
	$codes['Trinidad and Tobago'] = 'TT';
	$codes['Tunisia'] = 'TN';
	$codes['Turkey'] = 'TR';
	$codes['Turkmenistan'] = 'TM';
	$codes['Turks and Caicos Islands'] = 'TC';
	$codes['Tuvalu'] = 'TV';
	$codes['Uganda'] = 'UG';
	$codes['Ukraine'] = 'UA';
	$codes['United Arab Emirates'] = 'AE';
	$codes['United Kingdom'] = 'GB';
	$codes['United States'] = 'US';
	$codes['United States Minor Outlying Islands'] = 'UM';
	$codes['Uruguay'] = 'UY';
	$codes['Uzbekistan'] = 'UZ';
	$codes['Vanuatu'] = 'VU';
	$codes['Venezuela,  Bolivarian Republic of'] = 'VE';
	$codes['Viet Nam'] = 'VN';
	$codes['Virgin Islands, British'] = 'VG';
	$codes['Virgin Islands, U.S.'] = 'VI';
	$codes['Wallis and Futuna'] = 'WF';
	$codes['Western Sahara'] = 'EH';
	$codes['Yemen'] = 'YE';
	$codes['Zambia'] = 'ZM';
	$codes['Zimbabwe'] = 'ZW';
	return $codes;
}

function w2dc_isWooActive() {
	if (
		!get_option('w2dc_payments_addon')
		&&
		class_exists('woocommerce')
		&&
		get_option('w2dc_woocommerce_functionality')
	) 
		return true;
}

function w2dc_getAdminNotificationEmail() {
	if (get_option('w2dc_admin_notifications_email'))
		return get_option('w2dc_admin_notifications_email');
	else 
		return get_option('admin_email');
}

function w2dc_wpmlTranslationCompleteNotice() {
	global $sitepress;

	if (function_exists('wpml_object_id_filter') && $sitepress && defined('WPML_ST_VERSION')) {
		echo '<p class="description">';
		_e('After save do not forget to set completed translation status for this string on String Translation page.', 'W2DC');
		echo '</p>';
	}
}

function w2dc_phpmailerInit($phpmailer) {
	$phpmailer->AltBody = wp_specialchars_decode($phpmailer->Body, ENT_QUOTES);
}
function w2dc_mail($email, $subject, $body, $headers = null) {
	// create and add HTML part into emails
	add_action('phpmailer_init', 'w2dc_phpmailerInit');

	if (!$headers) {
		$headers[] = "From: " . get_option('blogname') . " <" . w2dc_getAdminNotificationEmail() . ">";
		$headers[] = "Reply-To: " . w2dc_getAdminNotificationEmail();
		$headers[] = "Content-Type: text/html";
	}
		
	$subject = "[" . get_option('blogname') . "] " .$subject;

	$body = make_clickable(wpautop($body));
	
	$email = apply_filters('w2dc_mail_email', $email, $subject, $body, $headers);
	$subject = apply_filters('w2dc_mail_subject', $subject, $email, $body, $headers);
	$body = apply_filters('w2dc_mail_body', $body, $email, $subject, $headers);
	$headers = apply_filters('w2dc_mail_headers', $headers, $email, $subject, $body);
	
	add_action('wp_mail_failed', 'w2dc_error_log');

	return wp_mail($email, $subject, $body, $headers);
}

function w2dc_setFrontendController($shortcode, $shortcode_instance, $do_duplicate = true) {
	global $w2dc_instance;

	$w2dc_instance->frontend_controllers[$shortcode][] = $shortcode_instance;

	// this duplicate property needed because we unset each controller when we render shortcodes, but WP doesn't really know which shortcode already was processed
	if ($do_duplicate) {
		$w2dc_instance->_frontend_controllers[$shortcode][] = $shortcode_instance;
	}

	return $shortcode_instance;
}

function w2dc_getFrontendControllers($shortcode = false, $property = false) {
	global $w2dc_instance;

	if (!$shortcode) {
		return $w2dc_instance->frontend_controllers;
	} else {
		if (!$property) {
			if (isset($w2dc_instance->frontend_controllers[$shortcode])) {
				return $w2dc_instance->frontend_controllers[$shortcode];
			} else {
				return false;
			}
		} else {
			if (isset($w2dc_instance->frontend_controllers[$shortcode][0]->$property)) {
				return $w2dc_instance->frontend_controllers[$shortcode][0]->$property;
			} else {
				return false;
			}
		}
	}
}

function w2dc_getShortcodeController() {
	global $w2dc_instance;
	
	if (
	$w2dc_instance &&
	(
			($shortcode_controller = $w2dc_instance->getShortcodeProperty(W2DC_MAIN_SHORTCODE)) ||
			($shortcode_controller = $w2dc_instance->getShortcodeProperty(W2DC_LISTING_SHORTCODE)) ||
			($shortcode_controller = apply_filters('w2dc_get_shortcode_controller', false))
	)
	) {
		return $shortcode_controller;
	}
}

function w2dc_getListings() {
	if ($shortcode_controller = w2dc_getShortcodeController()) {
		return $shortcode_controller->listings;
	}
}

function w2dc_getListing($post) {
	$listing = new w2dc_listing;
	if ($listing->loadListingFromPost($post)) {
		return $listing;
	}
}

function w2dc_isListing() {
	if (get_option("w2dc_imitate_mode")) {
		if (get_query_var('listing-w2dc')) {
			$args = array(
					'post_type' => W2DC_POST_TYPE,
					'name' => get_query_var('listing-w2dc'),
					'posts_per_page' => 1,
			);
			
			$query = new WP_Query($args);
		
			while ($query->have_posts()) {
				$query->the_post();
		
				return w2dc_getListing(get_post());
				break;
			}
		}
	} else {
		$queried_object = get_queried_object();
		if (get_post_type($queried_object) == W2DC_POST_TYPE) {
			return w2dc_getListing($queried_object);
		}
	}
}

function w2dc_isCategory() {
	if (get_option("w2dc_imitate_mode")) {
		if (get_query_var(W2DC_CATEGORIES_TAX)) {
			$term = w2dc_get_term_by_path(get_query_var(W2DC_CATEGORIES_TAX));
			
			return $term;
		}
	} else {
		if (is_tax(W2DC_CATEGORIES_TAX, get_queried_object())) {
			return get_queried_object();
		}
	}
}

function w2dc_getCurrentCategory() {
	$category = null;
	
	$category = w2dc_isCategory();
	
	if (!$category) {
		if ($categories = w2dc_getValue($_REQUEST, 'categories')) {
			if (is_array($categories) || ($categories = array_filter(explode(',', $categories), 'trim'))) {
				$category_id = array_shift($categories);
				if ($category_term = get_term($category_id, W2DC_CATEGORIES_TAX)) {
					$category = $category_term;
				}
			}
		}
	}
	
	return $category;
}

function w2dc_isLocation() {
	if (get_option("w2dc_imitate_mode")) {
		if (get_query_var(W2DC_LOCATIONS_TAX)) {
			$term = w2dc_get_term_by_path(get_query_var(W2DC_LOCATIONS_TAX));
				
			return $term;
		}
	} else {
		if (is_tax(W2DC_LOCATIONS_TAX, get_queried_object())) {
			return get_queried_object();
		}
	}
}

function w2dc_isTag() {
	if (get_option("w2dc_imitate_mode")) {
		if (get_query_var(W2DC_TAGS_TAX)) {
			$term = get_term_by('slug', get_query_var(W2DC_TAGS_TAX), W2DC_TAGS_TAX);
	
			return $term;
		}
	} else {
		if (is_tax(W2DC_TAGS_TAX, get_queried_object())) {
			return get_queried_object();
		}
	}
}

function w2dc_getListingDirectory($listing_id) {
	global $w2dc_instance;

	if (get_post_type($listing_id) == W2DC_POST_TYPE) {
		if ($directory_id = get_post_meta($listing_id, '_directory_id', true)) {
			if ($directory = $w2dc_instance->directories->getDirectoryById($directory_id)) {
				return $directory;
			}
		}
	} elseif ($w2dc_instance->current_directory) {
		return $w2dc_instance->current_directory;
	}
	return $w2dc_instance->directories->getDefaultDirectory();
}

function w2dc_isDirectoryPageInAdmin() {
	global $pagenow;

	if (
		is_admin() &&
		(($pagenow == 'edit.php' || $pagenow == 'post-new.php') && ($post_type = w2dc_getValue($_GET, 'post_type')) &&
				(in_array($post_type, array(W2DC_POST_TYPE, 'w2dc_invoice', 'shop_order', 'shop_subscription')))
		) ||
		($pagenow == 'post.php' && ($post_id = w2dc_getValue($_GET, 'post')) && ($post = get_post($post_id)) && w2dc_getValue($_GET, 'action') == 'edit' &&
				(in_array($post->post_type, array(W2DC_POST_TYPE, 'w2dc_invoice', 'shop_order', 'shop_subscription')))
		) ||
		(($pagenow == 'edit-tags.php' || $pagenow == 'term.php') && ($taxonomy = w2dc_getValue($_GET, 'taxonomy')) &&
				(in_array($taxonomy, array(W2DC_LOCATIONS_TAX, W2DC_CATEGORIES_TAX, W2DC_TAGS_TAX)))
		) ||
		(($page = w2dc_getValue($_GET, 'page')) &&
				(in_array($page,
						array(
								'w2dc_settings',
								'w2dc_directories',
								'w2dc_levels',
								'w2dc_manage_upgrades',
								'w2dc_locations_levels',
								'w2dc_content_fields',
								'w2dc_csv_import',
								'w2dc_renew',
								'w2dc_upgrade',
								'w2dc_changedate',
								'w2dc_raise_up',
								'w2dc_upgrade',
								'w2dc_upgrade_bulk',
								'w2dc_process_claim'
						)
				))
		) ||
		($pagenow == 'widgets.php')
	) {
		return true;
	}
}

function w2dc_isListingEditPageInAdmin() {
	global $pagenow;

	if (
		($pagenow == 'post-new.php' && ($post_type = w2dc_getValue($_GET, 'post_type')) &&
				(in_array($post_type, array(W2DC_POST_TYPE)))
		) ||
		($pagenow == 'post.php' && ($post_id = w2dc_getValue($_GET, 'post')) && ($post = get_post($post_id)) &&
				(in_array($post->post_type, array(W2DC_POST_TYPE)))
		)
	) {
		return true;
	}
}

function w2dc_isLocationsEditPageInAdmin() {
	global $pagenow;

	if (($pagenow == 'edit-tags.php' || $pagenow == 'term.php') && ($taxonomy = w2dc_getValue($_GET, 'taxonomy')) &&
				(in_array($taxonomy, array(W2DC_LOCATIONS_TAX)))) {
		return true;
	}
}

function w2dc_isCategoriesEditPageInAdmin() {
	global $pagenow;

	if (($pagenow == 'edit-tags.php' || $pagenow == 'term.php') && ($taxonomy = w2dc_getValue($_GET, 'taxonomy')) &&
				(in_array($taxonomy, array(W2DC_CATEGORIES_TAX)))) {
		return true;
	}
}

function w2dc_locate_template() {
	
	$templates = array();
	
	if ($listing = w2dc_isListing()) {
		$templates[] = 'w2dc-listing-' . $listing->directory->id . '.php';
		$templates[] = 'w2dc-listing.php';
	}
	if (w2dc_isCategory()) {
		$templates[] = 'w2dc-category.php';
	}
	if (w2dc_isLocation()) {
		$templates[] = 'w2dc-location.php';
	}
	if (w2dc_isTag()) {
		$templates[] = 'w2dc-tag.php';
	}
	
	$templates[] = 'page.php';
		
	return locate_template($templates);
}

function w2dc_getCategoryIconFile($term_id) {
	if (($icons = get_option('w2dc_categories_icons')) && is_array($icons) && isset($icons[$term_id])) {
		return $icons[$term_id];
	}
}

function w2dc_getCategoryImageUrl($term_id, $size = 'full') {
	global $w2dc_instance;
	
	if ($image_url = $w2dc_instance->categories_manager->get_featured_image_url($term_id, $size)) {
		return $image_url;
	}
}

function w2dc_getLocationIconFile($term_id) {
	if (($icons = get_option('w2dc_locations_icons')) && is_array($icons) && isset($icons[$term_id])) {
		return $icons[$term_id];
	}
}

function w2dc_getLocationImageUrl($term_id, $size = 'full') {
	global $w2dc_instance;

	if ($image_url = $w2dc_instance->locations_manager->get_featured_image_url($term_id, $size)) {
		return $image_url;
	}
}

function w2dc_getSearchTermID($query_var, $get_var, $default_term_id) {
	if (get_query_var($query_var) && ($category_object = w2dc_get_term_by_path(get_query_var($query_var)))) {
		$term_id = $category_object->term_id;
	} elseif (isset($_GET[$get_var]) && is_numeric($_GET[$get_var])) {
		$term_id = $_GET[$get_var];
	} else {
		$term_id = $default_term_id;
	}
	return $term_id;
}

function w2dc_getMapEngine() {
	if (get_option('w2dc_map_type') == 'mapbox' || ((defined('W2DC_DEMO') && W2DC_DEMO) && !empty($_GET['w2dc_mapbox']))) {
		return 'mapbox';
	} elseif (get_option('w2dc_map_type') == 'google') {
		return 'google';
	}
}

function w2dc_getAllMapStyles() {
	if (w2dc_getMapEngine() == 'google') {
		global $w2dc_google_maps_styles;
		
		return $w2dc_google_maps_styles;
	} elseif (w2dc_getMapEngine() == 'mapbox') {
		return w2dc_getMapBoxStyles();
	}
}

function w2dc_getSelectedMapStyleName() {
	if (w2dc_getMapEngine() == 'google') {
		return get_option('w2dc_google_map_style');
	} elseif (w2dc_getMapEngine() == 'mapbox') {
		if (get_option('w2dc_mapbox_map_style_custom')) {
			return get_option('w2dc_mapbox_map_style_custom');
		} else {
			return get_option('w2dc_mapbox_map_style');
		}
	}
}

function w2dc_getSelectedMapStyle($map_style = false) {
	if (!$map_style) {
		$map_style = w2dc_getSelectedMapStyleName();
	}
	
	if (w2dc_getMapEngine() == 'google') {
		global $w2dc_google_maps_styles;

		if (!empty($w2dc_google_maps_styles[$map_style])) {
			return $w2dc_google_maps_styles[$map_style];
		} else {
			return '';
		}
	} elseif (w2dc_getMapEngine() == 'mapbox') {
		$mapbox_styles = w2dc_getMapBoxStyles();
		if (in_array($map_style, $mapbox_styles)) {
			return $map_style;
		} elseif (array_key_exists($map_style, $mapbox_styles)) {
			return $mapbox_styles[$map_style];
		} elseif (get_option('w2dc_mapbox_map_style_custom')) {
			return get_option('w2dc_mapbox_map_style_custom');
		} else {
			return array_shift($mapbox_styles);
		}
	}
}

function w2dc_getMapBoxStyleForStatic() {
	return str_replace('mapbox://styles/', '//api.mapbox.com/styles/v1/', w2dc_getSelectedMapStyle());
}

function w2dc_getMapBoxStyles() {
	$styles = array(
			'Streets' => 'mapbox://styles/mapbox/streets-v10',
			'OutDoors' => 'mapbox://styles/mapbox/outdoors-v10',
			'Light' => 'mapbox://styles/mapbox/light-v9',
			'Dark' => 'mapbox://styles/mapbox/dark-v9',
			'Satellite' => 'mapbox://styles/mapbox/satellite-v9',
			'Satellite streets' => 'mapbox://styles/mapbox/satellite-streets-v10',
			'Navigation preview day' => 'mapbox://styles/mapbox/navigation-preview-day-v2',
			'Navigation preview night' => 'mapbox://styles/mapbox/navigation-preview-night-v2',
			'Navigation guidance day' => 'mapbox://styles/mapbox/navigation-guidance-day-v2',
			'Navigation guidance night' => 'mapbox://styles/mapbox/navigation-guidance-night-v2',
	);
	
	$styles = apply_filters('w2dc_mapbox_maps_styles', $styles);
	
	return $styles;
}

function w2dc_visibleSearchParam($param_text, $link) {
	$parse_url = parse_url($link, PHP_URL_QUERY);
	parse_str($parse_url, $parse_url_str);
	if (count($parse_url_str) == 1 && w2dc_getValue($parse_url_str, 'w2dc_action') == 'search') {
		$link = remove_query_arg('w2dc_action', $link);
	} elseif ($use_advanced = w2dc_getValue($_REQUEST, 'use_advanced')) {
		$link = add_query_arg('use_advanced', '1', $link);
	}
	
	return '<div class="w2dc-search-param"><a class="w2dc-search-param-delete" href="' . $link . '">×</a>' . esc_html(stripslashes($param_text)) . '</div>';
}

function w2dc_wrapKeys(&$val) {
	$val = "`".$val."`";
}
function w2dc_wrapValues(&$val) {
	$val = "'".$val."'";
}
function w2dc_wrapIntVal(&$val) {
	$val = intval($val);
}

function w2dc_utf8ize($mixed) {
	if (is_array($mixed)) {
		foreach ($mixed as $key => $value) {
			$mixed[$key] = w2dc_utf8ize($value);
		}
	} elseif (is_string($mixed) && function_exists("mb_convert_encoding")) {
		return mb_convert_encoding($mixed, "UTF-8", "UTF-8");
	}
	return $mixed;
}

function w2dc_get_registered_image_sizes($unset_disabled = true) {
	$wais = & $GLOBALS['_wp_additional_image_sizes'];

	$sizes = array();

	foreach (get_intermediate_image_sizes() as $_size) {
		if (in_array($_size, array('thumbnail', 'medium', 'medium_large', 'large'))) {
			$sizes[ $_size ] = array(
					'width'  => get_option("{$_size}_size_w"),
					'height' => get_option("{$_size}_size_h"),
					'crop'   => (bool) get_option("{$_size}_crop"),
			);
		}
		elseif (isset($wais[$_size])) {
			$sizes[ $_size ] = array(
					'width'  => $wais[$_size]['width'],
					'height' => $wais[$_size]['height'],
					'crop'   => $wais[$_size]['crop'],
			);
		}

		// size registered, but has 0 width and height
		if($unset_disabled && ($sizes[ $_size ]['width'] == 0) && ($sizes[ $_size ]['height'] == 0)) {
			unset($sizes[$_size]);
		}
	}

	return $sizes;
}

/**
 * get total count of all listings in the term including all children
 * 
 * @param int $term_id
 * @param int $directory_id
 * @return number
 */
function w2dc_getTermCount($term_id, $directory_id = null) {
	global $w2dc_instance;
	
	$term = get_term($term_id);
	
	if (!$directory_id) {
		$directory_id = $w2dc_instance->current_directory->id;
	}
	
	$listings_ids = w2dc_getTermListings($term_id, $directory_id);
			
	$children = get_term_children($term_id, $term->taxonomy);
	foreach ($children AS $child_term) {
		$listings_ids = array_merge($listings_ids, w2dc_getTermListings($child_term, $directory_id));
	}
	$listings_ids = array_unique($listings_ids);
	
	return count($listings_ids);
}

/**
 * get listings IDs of the term only, no children terms
 * 
 * @param int $term_id
 * @param int $directory_id
 * @return array
 */
function w2dc_getTermListings($term_id, $directory_id = null) {
	global $w2dc_instance;
	
	$term_directories_count = get_term_meta($term_id, 'directories_count', true);
	
	if (!$directory_id) {
		$directory_id = $w2dc_instance->current_directory->id;
	}
	
	if (isset($term_directories_count[$directory_id])) {
		return $term_directories_count[$directory_id];
	} else {
		// recalc listings when empty
		$term_directories_count = w2dc_updateTermCount($term_id);
		return $term_directories_count[$directory_id];
	}
}

/**
 * update term meta according to listings in their directories
 * 
 * @param int $term_id
 * @param int $directory_id
 * @return array
 */
function w2dc_updateTermCount($term_id) {
	global $w2dc_instance, $wpdb;
	
	$term = get_term($term_id);
	
	$default_directory_id = $w2dc_instance->directories->getDefaultDirectory()->id;
	
	$term_directories_count = array();
	
	foreach ($w2dc_instance->directories->directories_array AS $directory) {
		$term_directories_count[$directory->id] = array();
	}
	
	$listings_by_taxonomy_term = $wpdb->get_col("SELECT tr.object_id FROM {$wpdb->term_relationships} AS tr LEFT JOIN {$wpdb->term_taxonomy} AS tt ON tr.term_taxonomy_id=tt.term_taxonomy_id LEFT JOIN {$wpdb->posts} AS p ON tr.object_id=p.ID WHERE tt.term_id = " . $term->term_id . " AND p.post_status = 'publish' AND p.post_type='" . W2DC_POST_TYPE  . "'");
	
	foreach ($listings_by_taxonomy_term AS $listing_id) {
		if (!($directory_id = $wpdb->get_var("SELECT meta_value FROM {$wpdb->postmeta} WHERE `meta_key` = '_directory_id' AND `post_id` = " . $listing_id))) {
			$directory_id = $default_directory_id;
		}
				
		$term_directories_count[$directory_id][] = $listing_id;
	}
	
	update_term_meta($term->term_id, 'directories_count', $term_directories_count);
	
	return $term_directories_count;
}

/**
 * update term meta for one post
 * 
 * @param object $post
 * 
 */
function w2dc_updateTermCountByPost($post) {
	
	$terms = wp_get_post_terms($post->ID, array(W2DC_CATEGORIES_TAX, W2DC_LOCATIONS_TAX));
	
	foreach ($terms AS $term) {
		w2dc_updateTermCount($term->term_id);
	}
}

/**
 * Update all counts of categories and locations by all active listings
 */
function w2dc_updateAllTermsCount() {
	
	$terms = get_terms(array(
			'taxonomy' => array(W2DC_CATEGORIES_TAX, W2DC_LOCATIONS_TAX),
			'hide_empty' => false,
	));
	
	foreach ($terms AS $term) {
		w2dc_updateTermCount($term->term_id);
	}
}

/**
 * Is user allowed to do something according to provided user roles settings
 * 
 * @param array $user_roles_setting
 * @return boolean
 */
function w2dc_is_user_allowed($user_roles_setting) {
	$user_allowed = true;
	
	if ($user_roles_setting) {
		$user = wp_get_current_user();
			
		if ($user_roles_setting == array('loggedinusers')) {
			if (!is_user_logged_in()) {
				$user_allowed = false;
			}
		} elseif (!array_intersect($user->roles, $user_roles_setting)) {
			$user_allowed = false;
		}
	}
	
	return $user_allowed;
}

function w2dc_isListingPayment($listing_id) {
	
	$price = 0;
	
	if (($listing = w2dc_getListing($listing_id)) && isset($listing->level->price) && recalcPrice($listing->level->price) > 0) {
		$price = recalcPrice($listing->level->price);
	}
	
	return apply_filters("w2dc_listing_price", $price, $listing_id);
}

function w2dc_update_scheduled_events_time() {
	
	update_option("w2dc_scheduled_events_time", time());
}

?>