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<?php
/**
 * HTML manipulations
 *
 * @package WordPress
 * @subpackage ThemeREX Utilities
 * @since v3.0
 */

// Don't load directly
if ( ! defined( 'TRX_UTILS_VERSION' ) ) {
	die( '-1' );
}

//Return Post Views Count
if (!function_exists('trx_utils_get_post_views')) {
	add_filter('trx_utils_filter_get_post_views', 'trx_utils_get_post_views', 10, 2);
	function trx_utils_get_post_views($default=0, $id=0){
		global $wp_query;
		if (!$id) $id = $wp_query->current_post>=0 ? get_the_ID() : $wp_query->post->ID;
		$count_key = lorem_ipsum_books_media_store_storage_get('options_prefix').'_post_views_count';
		$count = get_post_meta($id, $count_key, true);
		if ($count===''){
			delete_post_meta($id, $count_key);
			add_post_meta($id, $count_key, '0');
			$count = 0;
		}
		return $count;
	}
}

//Set Post Views Count
if (!function_exists('trx_utils_set_post_views')) {
	add_action('trx_utils_filter_set_post_views', 'trx_utils_set_post_views', 10, 2);
	function trx_utils_set_post_views($id=0, $counter=-1) {
		global $wp_query;
		if (!$id) $id = $wp_query->current_post>=0 ? get_the_ID() : $wp_query->post->ID;
		$count_key = lorem_ipsum_books_media_store_storage_get('options_prefix').'_post_views_count';
		$count = get_post_meta($id, $count_key, true);
		if ($count===''){
			delete_post_meta($id, $count_key);
			add_post_meta($id, $count_key, 1);
		} else {
			$count = $counter >= 0 ? $counter : $count+1;
			update_post_meta($id, $count_key, $count);
		}
	}
}

//Return Post Likes Count
if (!function_exists('trx_utils_get_post_likes')) {
	add_filter('trx_utils_filter_get_post_likes', 'trx_utils_get_post_likes', 10, 2);
	function trx_utils_get_post_likes($default=0, $id=0){
		global $wp_query;
		if (!$id) $id = $wp_query->current_post>=0 ? get_the_ID() : $wp_query->post->ID;
		$count_key = lorem_ipsum_books_media_store_storage_get('options_prefix').'_post_likes_count';
		$count = get_post_meta($id, $count_key, true);
		if ($count===''){
			delete_post_meta($id, $count_key);
			add_post_meta($id, $count_key, '0');
			$count = 0;
		}
		return $count;
	}
}

//Set Post Likes Count
if (!function_exists('trx_utils_set_post_likes')) {
	add_action('trx_utils_filter_set_post_likes', 'trx_utils_set_post_likes', 10, 2);
	function trx_utils_set_post_likes($id=0, $count=0) {
		global $wp_query;
		if (!$id) $id = $wp_query->current_post>=0 ? get_the_ID() : $wp_query->post->ID;
		$count_key = lorem_ipsum_books_media_store_storage_get('options_prefix').'_post_likes_count';
		update_post_meta($id, $count_key, $count);
	}
}

// AJAX: Set post likes/views count
if ( !function_exists( 'trx_utils_callback_post_counter' ) ) {
	function trx_utils_callback_post_counter() {

if ( !wp_verify_nonce( trx_utils_get_value_gp('nonce'), admin_url('admin-ajax.php') ) )
			wp_die();

$response = array('error'=>'');

$id = (int) $_REQUEST['post_id'];
		if (isset($_REQUEST['likes'])) {
			$counter = max(0, (int) $_REQUEST['likes']);
			trx_utils_set_post_likes($id, $counter);
		} else if (isset($_REQUEST['views'])) {
			$counter = max(0, (int) $_REQUEST['views']);
			trx_utils_set_post_views($id, $counter);
		}
		echo json_encode($response);
		wp_die();
	}
}

/* URL utilities
-------------------------------------------------------------------------------- */

// Return internal page link - if is customize mode - full url else only hash part
if (!function_exists('trx_utils_get_hash_link')) {
	function trx_utils_get_hash_link($hash) {
		if (strpos($hash, 'http')!==0) {
			if ($hash[0]!='#') $hash = '#'.$hash;
			if (is_customize_preview()) $hash = trx_utils_get_protocol().'://' . ($_SERVER["HTTP_HOST"]) . ($_SERVER["REQUEST_URI"]) . $hash;
		}
		return $hash;
	}
}

// Return current site protocol
if (!function_exists('trx_utils_get_protocol')) {
	function trx_utils_get_protocol() {
		return is_ssl() ? 'https' : 'http';
	}
}

// Add parameters to URL
if (!function_exists('trx_utils_add_to_url')) {
	function trx_utils_add_to_url($url, $prm) {
		if (is_array($prm) && count($prm) > 0) {
			$separator = strpos($url, '?')===false ? '?' : '&';
			foreach ($prm as $k=>$v) {
				$url .= $separator . urlencode($k) . '=' . urlencode($v);
				$separator = '&';
			}
		}
		return $url;
	}
}

// Set e-mail content type
// Call add_filter( 'wp_mail_content_type', 'trx_utils_set_html_content_type' ) before send mail
// and  remove_filter( 'wp_mail_content_type', 'trx_utils_set_html_content_type' ) after send mail
if (!function_exists('trx_utils_set_html_content_type')) {
	function trx_utils_set_html_content_type() {
		return 'text/html';
	}
}

/* GET, POST and SESSION utilities
-------------------------------------------------------------------------------- */

// Return GET or POST value
if (!function_exists('trx_utils_get_value_gp')) {
	function trx_utils_get_value_gp($name, $defa='') {
		$rez = $defa;
		$magic = function_exists('get_magic_quotes_gpc') && get_magic_quotes_gpc() == 1;
		if (isset($_GET[$name])) {
			$rez = $magic ? stripslashes(trim($_GET[$name])) : trim($_GET[$name]);
		} else if (isset($_POST[$name])) {
			$rez = $magic ? stripslashes(trim($_POST[$name])) : trim($_POST[$name]);
		}
		return $rez;
	}
}

// Return GET or POST or COOKIE value
if (!function_exists('trx_utils_get_value_gpc')) {
	function trx_utils_get_value_gpc($name, $defa='') {
		$rez = $defa;
		$magic = function_exists('get_magic_quotes_gpc') && get_magic_quotes_gpc() == 1;
		if (isset($_GET[$name])) {
			$rez = $magic ? stripslashes(trim($_GET[$name])) : trim($_GET[$name]);
		} else if (isset($_POST[$name])) {
			$rez = $magic ? stripslashes(trim($_POST[$name])) : trim($_POST[$name]);
		} else if (isset($_COOKIE[$name])) {
			$rez = $magic ? stripslashes(trim($_COOKIE[$name])) : trim($_COOKIE[$name]);
		}
		return $rez;
	}
}

// Get GET, POST, SESSION value and save it (if need)
if (!function_exists('trx_utils_get_value_gps')) {
	function trx_utils_get_value_gps($name, $defa='') {
		$rez = $defa;
		if (isset($_GET[$name])) {
			$rez = stripslashes(trim($_GET[$name]));
		} else if (isset($_POST[$name])) {
			$rez = stripslashes(trim($_POST[$name]));
		} else if (isset($_SESSION[$name])) {
			$rez = stripslashes(trim($_SESSION[$name]));
		}
		return $rez;
	}
}

// Save value into session
if (!function_exists('trx_utils_set_session_value')) {
	function trx_utils_set_session_value($name, $value) {
		if (!session_id()) session_start();
		$_SESSION[$name] = $value;
	}
}

// Delete value from session
if (!function_exists('trx_utils_del_session_value')) {
	function trx_utils_del_session_value($name) {
		if (!session_id()) session_start();
		unset($_SESSION[$name]);
	}
}

// Return text for the Privacy Policy checkbox
if (!function_exists('trx_utils_get_privacy_text')) {
    function trx_utils_get_privacy_text() {
        $page = get_option('wp_page_for_privacy_policy');
        return apply_filters( 'trx_utils_filter_privacy_text', wp_kses_post(
                __( 'I agree that my submitted data is being collected and stored.', 'trx_utils' )
                . ( '' != $page
                    // Translators: Add url to the Privacy Policy page
                    ? ' ' . sprintf(__('For further details on handling user data, see our %s', 'trx_utils'),
                        '<a href="' . esc_url(get_permalink($page)) . '" target="_blank">'
                        . __('Privacy Policy', 'trx_utils')
                        . '</a>')
                    : ''
                )
            )
        );
    }
}

// Show content with the html layout (if not empty)
if ( !function_exists('trx_utils_show_layout') ) {
	function trx_utils_show_layout($str, $before='', $after='') {
		if (!empty($str)) {
			printf("%s%s%s", $before, $str, $after);
		}
	}
}
?>