functions.ini.php

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	if(!isset($post_cache_views[$post_id])){
        $sql = "SELECT post_views FROM " . $GLOBALS["xoopsDB"]->prefix("wp_views") . " WHERE post_id=$post_id";
        if (!$result = $GLOBALS["xoopsDB"]->query($sql)) {
	        $post_cache_views[$post_id] = 0;
        }else{ 
	        $row = $GLOBALS["xoopsDB"]->fetchArray($result);
	        $post_cache_views[$post_id] = $row["post_views"];
        }
	}
	return sprintf(__('Views: %d'), intval($post_cache_views[$post_id]));
}

function onaction_set_the_views(&$content) {
	if ( empty($_GET["feed"]) &&  empty($GLOBALS["feed"]) && empty($GLOBALS["doing_trackback"]) && empty($GLOBALS["doing_rss"]) && empty($_POST) && is_single() ){
		set_the_views();
	}
	
	return $content;
}

// Set post views given a post ID or post object. 
function set_the_views($post_id = 0) {
	static $views;
	
	$post_id = intval($post_id);
	if ( empty($post_id) && isset($GLOBALS['post']) ){
		$post_id = $GLOBALS['post']->ID;
	}

	if($post_id==0 || !empty($views[$post_id])) return null;
    $sql = "SELECT post_views FROM " . $GLOBALS["xoopsDB"]->prefix("wp_views") . " WHERE post_id=$post_id";
    $exist = false;
    if ($result = $GLOBALS["xoopsDB"]->query($sql)) {
        while($row = $GLOBALS["xoopsDB"]->fetchArray($result)){
        	$exist = true;
	        break;
    	}
	}
	if($exist){
        $sql = "UPDATE " . $GLOBALS["xoopsDB"]->prefix("wp_views") . " SET post_views=post_views+1 WHERE post_id=$post_id";
    }else{
        $sql = "INSERT INTO " . $GLOBALS["xoopsDB"]->prefix("wp_views") . " (post_id, post_views) VALUES ($post_id, 1)";
    }
    if ($result = $GLOBALS["xoopsDB"]->queryF($sql)) {
    	$views[$post_id] = 1;
    }
    
	return true;
}

function onaction_edit_post($post_id=0)
{
	if(function_exists("flickr_clear_cache")){ // tricky!
		flickr_clear_cache($post_id);
	}
	return true;
}

function onaction_gettext($text_translated, $text = "")
{
	if(empty($text_translated)) return $text;
	$blog_charset = wp_blog_charset();
	return XoopsLocal::convert_encoding($text_translated, $blog_charset, WP_MO_CHARSET);
}

// Insert user information into wp-users when he publishes his first article
// adapted from wp-includes/registration-functions.php

function onaction_wp_register_user($post_id=null)
{
	global $wpdb, $table_prefix;
	$post = get_post($post_id);
	$user = get_userdata($post->post_author, true);
	if(!$wpdb->get_results("SELECT user_login FROM $wpdb->users WHERE ID = $user->ID LIMIT 1")){
		$result = $wpdb->query("INSERT INTO $wpdb->users 
			( ID, user_login, display_name, user_nicename )
		VALUES 
			( $user->ID, '".addslashes($user->user_login)."', '".addslashes($user->display_name)."', '".addslashes($user->user_nicename)."' )"
		);
		wp_cache_delete($user->ID, 'users');
		wp_cache_delete($user->user_login, 'userlogins');
		do_action('user_register', $user->ID);
	}	
		
	return $user->ID;	
}

function the_author_link_xoops($idmode='') {
    global $id, $authordata;
    
    if(!isset($authordata)){
	    global $wp_query;
		$author = empty($wp_query->query_vars['author'])?(empty($wp_query->query_vars['author_name'])?0:$wp_query->query_vars['author_name']):$wp_query->query_vars['author'];
		$authordata = get_userdata($author);
	}

    echo '<a href="' . XOOPS_URL. '/userinfo.php?uid=' . $authordata->ID . '" title="' . wp_specialchars(the_author($idmode, false)) . '">' . the_author($idmode, false) . '</a>';
}

// handler IO between XOOPS and WordPress
function wp_xoops_filter()
{
	add_action("gettext",		"onaction_gettext");
	
	add_action("publish_post",	"onaction_wp_register_user");
	add_action("edit_post",		"onaction_edit_post");
	add_action("the_content",	"onaction_set_the_views");
	
	if(!empty($GLOBALS["xoopsModuleConfig"]["do_tag"])) {
		require_once dirname(__FILE__)."/functions.tag.php";
		add_action("publish_post",	"onaction_set_tags");
		add_action("edit_post",		"onaction_set_tags");
		add_action("the_content",	"onaction_get_tags");
	}
	
	add_filter("the_content",		"wp_filter_xoopsdecode",	1);
	add_filter("get_the_excerpt",	"wp_filter_xoopsdecode",	1);
	add_filter("comment_text",		"wp_filter_xoopsdecode",	1);
	
	add_filter('pre_option_siteurl',	"onaction_pre_option_siteurl");
	add_filter('pre_option_home',		"onaction_pre_option_home");
	add_filter('option_home',			"onaction_home");
	add_filter('option_siteurl',		"onaction_siteurl");
	add_filter('option_blog_charset',	"onaction_blog_charset");
	add_filter('template_directory',	"set_template_directory");
	$action_list = array("option_blogdescription", "option_blogname", "the_title_rss", "the_content", "get_the_excerpt", "comment_author_rss", "get_comment_text", "the_category_rss");
	foreach($action_list as $action){
		add_filter($action, "onaction_rss_encoding");
	}
}

function wp_filter_xoopsdecode(&$text)
{
	$patterns[] = "/\[quote]/sU";
	$replacements[] = '<div class="xoopsQuote"><blockquote>';
	$patterns[] = "/\[\/quote]/sU";
	$replacements[] = '</blockquote></div>';
	$text = preg_replace($patterns, $replacements, $text);
	$myts =& MyTextSanitizer::getInstance();
	$text = $myts->displayTarea($text, $html = 1, $smiley = 1, $xcode = 1, $image = 1, $br = 1);
	return $text;
}

function onaction_rss_encoding($var="")
{
	static $action;
	$action = isset($action)?$action:( !empty($_GET["feed"]) || !empty($GLOBALS["feed"]) || !empty($GLOBALS["doing_trackback"]) || !empty($GLOBALS["doing_rss"]) );
	return ($action)?encoding_wp2rss($var):$var;
}

function wp_upload_dir() 
{
	if($path = trim(get_settings('upload_path'))){
        $dir = XOOPS_UPLOAD_PATH."/".$path;
        $url = XOOPS_UPLOAD_URL."/".$path;
    }
    elseif ( defined('UPLOADS') ){
        $dir = XOOPS_UPLOAD_PATH."/".UPLOADS;
        $url = XOOPS_UPLOAD_URL."/".UPLOADS;
    }
    else{
        $dir = XOOPS_UPLOAD_PATH."/".WP_BLOG_DIRNAME;
        $url = XOOPS_UPLOAD_URL."/".WP_BLOG_DIRNAME;
    }

	// Give the new dirs the same perms as XOOPS_UPLOAD_PATH.
	$stat = stat(XOOPS_UPLOAD_PATH);
	$dir_perms = $stat['mode'] & 0000777;  // Get the permission bits.

	if ( get_settings('uploads_use_yearmonth_folders')) {
		// Generate the yearly and monthly dirs
		$time = current_time( 'mysql' );
		$y = substr( $time, 0, 4 );
		$m = substr( $time, 5, 2 );
		$dir = $dir . "/$y/$m";
		$url = $url . "/$y/$m";
	}

	// Make sure we have an uploads dir
	if ( ! wp_mkdir_p( $dir ) ) {
		$message = sprintf(__('Unable to create directory %s. Is its parent directory writable by the server?'), $dir);
		return array('error' => $message);
	}

    $uploads = array('path' => $dir, 'url' => $url, 'error' => false);
	return apply_filters('upload_dir', $uploads);
}

function onaction_pre_option_siteurl($var="")
{
	return onaction_siteurl($var);
}

function onaction_pre_option_home($var="")
{
	return onaction_siteurl($var);
}

function onaction_home($var="")
{
	return onaction_siteurl($var);
}

function onaction_siteurl($var="")
{
	return XOOPS_URL."/modules/".WP_BLOG_DIRNAME;
}

function onaction_blog_charset($charset="")
{
	if(!empty($GLOBALS['blog_charset_skip_filter'])){ 
		$GLOBALS['blog_charset_skip_filter']=false;
	}elseif ( !empty($_GET["feed"]) || !empty($GLOBALS["feed"]) || !empty($GLOBALS["doing_trackback"]) || !empty($GLOBALS["doing_rss"]) ){
		$charset = wp_rss_charset();
	}else{
		$charset = wp_blog_charset();
	}
	return $charset;
}

// Set the template style
// Convert _POST from XOOPS
function set_template_directory($template_dir="", $template="")
{
	// Ideally the following treatment should be done by setting "accept-charset" attribute in "form" tag, however its compatibility with browsers is unexpectable 
	if(!empty($_POST["post_from_xoops"])){
		unset($_POST["post_from_xoops"]);
		foreach($_POST as $key=>$val){
			if(is_array($_POST[$key])){
				foreach(array_keys($_POST[$key]) as $_key){
					$_POST[$key][$_key] = encoding_xoops2wp($_POST[$key][$_key]);
				}
			}else{
				$_POST[$key] = encoding_xoops2wp($val);
			}
		}
	}
	
	switch($GLOBALS['xoopsModuleConfig']["style"]){
		// fixed as XOOPS
		case 1:
			$style = 1;
			break;
		// fixed as WP
		case 2:
			$style = 0;
			break;
		// selectable
		default:
			$style = isset($_GET["style"])?$_GET["style"]:(isset($_COOKIE["wp_style"])?$_COOKIE["wp_style"]:"");
			$style = ($style=="w")?0:1;
			if(isset($_GET["style"])){
				setcookie("wp_style", $_GET["style"]);
			}
			break;
	}
	if( empty($style) ){
		return $template_dir;
	}else{
		/*
		if(!empty($GLOBALS["xoopsModuleConfig"]['theme_set']) && $GLOBALS["xoopsOption"]["pagetype"] != "admin" && is_object($GLOBALS['xoopsModule']) && $GLOBALS['xoopsModule']->getVar("dirname") == "wordpress"){
			//$GLOBALS["xoopsConfig"]['theme_set'] = $GLOBALS["xoopsModuleConfig"]['theme_set'];
		}
		*/
		return ABSPATH . "templates/wordpress";
	}
}

function wp_the_excerpt()
{
	if(empty($GLOBALS['post']->post_excerpt)) return;
	ob_start();
	the_excerpt();
	$excerpt = ob_get_contents();
	ob_end_clean();
	echo "[".__("Excerpt")."]: ".$excerpt;
}

function wp_the_content($echo = true)
{
	ob_start();
	if(empty($GLOBALS['xoopsModuleConfig']['show_excerpt'])) {
		the_content(__('(more...)'));
	}else{
		the_excerpt();
        echo '<a href="'. get_permalink() . "\">".__('(more...)').'</a>';
	}
	$content = ob_get_contents();
	ob_end_clean();
	if(empty($echo)) return $content;
	echo $content;
}

function wp_get_moduleid()
{
	static $mid;
	if(!empty($mid)){
		return $mid;
	}
	
    if(is_object($GLOBALS["xoopsModule"]) && $GLOBALS["xoopsModule"]->getVar("dirname") == WP_BLOG_DIRNAME){
	    $mid = $GLOBALS["xoopsModule"]->getVar("mid");
    }else{
		$module_handler = &xoops_gethandler('module');
		$module = $module_handler->getByDirname(WP_BLOG_DIRNAME);
		$mid = $module->getVar("mid");
		unset($module);
    }
    return $mid;
}

function wp_get_user_profile($format = "s", $uid = null)
{
	global $xoopsUser;
	
	if($uid === null) $user =& $xoopsUser;
	elseif($uid >0){
        $member_handler =& xoops_gethandler('member');
        $user =& $member_handler->getUser($uid);
	}else{
		return null;
	}
	return is_object($user)? encoding_xoops2wp($user->getVar("bio", $format)) : null;
}

/**
 * Enable multi-user mode
 *
 * Available features:
 * Each author has a separate page;
 * All contents including posts/comments are author oriented.
 *
 * Limitations (TODO):
 * Category structure is controlled by admin only
 * An author does not have the possibility to have his/her own templates
 * Link management is module-wide, not per author
 *
 */
function wp_xoops_ismu()
{
	return !empty($GLOBALS["xoopsModuleConfig"]["enable_mu"]);
	/*
	(defined("WP_XOOPS_MU") && constant("WP_XOOPS_MU"))
	*/
}
?>