<?php
class NP_AudioScrobbler extends NucleusPlugin { 
	
 
   function getName() { return 'AudioScrobbler plugin'; } 
 
   function getAuthor()  { return 'Jef Pober'; } 
 
   function getURL()  { return 'http://fuckhedz.com'; } 
 
   function getVersion() { return '1.0'; } 
 
   function getDescription() { return 'Shows a Now Playing underneath each item'; }
   function getEventList() { return array('PostAddItem'); }
 
	function install() {
		$create_q =	sql_query('CREATE TABLE IF NOT EXISTS ' . sql_table('plug_audioscrobbler') . ' (' . 
							 'itemid INT(9) PRIMARY KEY NOT NULL, ' . 
							 'title VARCHAR(255) NOT NULL)');
		$this->createMemberOption('asid','Audio Scrobbler ID','text','');
		$this->createBlogOption('enable','Enable AudioScrobbler display for this blog','yesno','yes');
		$this->createOption('offset','Time offset (in hours to GMT)','text','-6');
	}
	
	function event_PostAddItem($data) {
		global $member;
		$itemid = $data['itemid'];
		$asid = $this->getMemberOption($member->id,'asid');
		
		if ($asid) {
			$feedURL = 'http://ws.audioscrobbler.com/rdf/history/' . $asid;
			$result = $this->readFeed($feedURL);
 
		 	$timestamp = $this->parse_w3cdtf(trim($result[2]['date']));
		 	$title = trim($result[2]['description']);
 
			$time = time() + $this->getOption('offset')*60*60;
 
			$diff = $timestamp - $time;
						
			if ($diff > -1800 && $diff < 900) {
				if ($title) {
					sql_query('INSERT INTO ' . sql_table('plug_audioscrobbler') . " VALUES ($itemid,'$title')");
				}
			} 	
		}
	}
 
	function doTemplateVar(&$item) {
		global $blog;
	
		$itemid = $item->itemid;
		$blogid = $blog->id;
				
		if ($this->getBlogOption($blogid,'enable') == 'yes') {	
			$result = sql_query('SELECT title FROM ' . sql_table('plug_audioscrobbler') . " WHERE itemid=$itemid");
			if (mysql_num_rows($result) > 0) {
				$title = mysql_result($result,0);
				echo 'NP: ' . $title;
			} 
		}
	}
 
	function readFeed($feedURL) {
		// which URL to get
		global $manager, $blog, $saxparser, $CONF, $contents, $last_modified_time;
 
		$feedURL_parts = parse_url($feedURL);
		$path          = isset($feedURL_parts["path"]) ? $feedURL_parts["path"] : "/";
		$filename      = isset($feedURL_parts["host"]) ? $feedURL_parts["host"] : "feedfile";
		$unique        = isset($feedURL_parts["query"]) ? $feedURL_parts["query"] : "";
		$contents      = "";
		$data          = "";
     
		$tag    = "";
		$isItem = false;
		$i      = 0;
		unset($saxparser);
		$saxparser = xml_parser_create();
 
		xml_parser_set_option($saxparser, XML_OPTION_CASE_FOLDING, false);
		xml_set_element_handler($saxparser, 'sax_start', 'sax_end');
		xml_set_character_data_handler($saxparser, 'sax_data');
            
		if (!function_exists('sax_start')) {
			function sax_start($parser, $name, $attribs) {
				global $tag, $isItem, $i, $isChannel;
				switch ($name){
					case "channel":
						$i++;
						$isChannel = true;
						break;
					case "item":
						$i++;
						$isItem = true;
						break;
					case "image";
						case "url";
					case "docs";
					case "language";
					case "generator";
					case "copyright";
					case "dc:date":
					case "title":
					case "link":
					case "pubDate";
					case "description":
					case "author";
					case "category":
					case "guid":
						if ($isItem || $isChannel) $tag = $name;
						break;
					default:
						$isItem = false;
						$isChannel = false;
						break;
				}
			}
		}
 
		if (!function_exists('sax_end')) {
			function sax_end($parser, $name) {
			}
		}
 
		if (!function_exists('sax_data')) {
			function sax_data($parser, $data) {
				global $tag, $isItem, $contents,                                                                                                         $isChannel, $i;
				if ($data != "\n" && $isItem) {
					switch ($tag) {
						case "dc:date";
						case "description":
							if($tag=='dc:date') $tag = 'date';
						
							if (!isset($contents[$i-1][$tag]) || !strlen($contents[$i-1][$tag])) {
								$contents[$i-1][$tag] = addslashes($data);
							} else {
								$contents[$i-1][$tag].= addslashes($data);
							}
							break;
					}
				}
			}
		}
 
		$fp = fopen($feedURL, "r");
		while ($data = fread($fp, 4096)) {
			//echo $data;
			$file .= $data;
		}
		
		$file = stripslashes($file);
		
		$parsedOkay = xml_parse($saxparser, $file, feof($fp));
 
		xml_parser_free($saxparser);
		fclose($fp);
 
		return $contents;
	}
	
	function parse_w3cdtf ($date_str) {
	
		# regex to match wc3dtf
		$pat = "/(\d{4})-(\d{2})-(\d{2})T(\d{2}):(\d{2})(:(\d{2}))?(?:([-+])(\d{2}):?(\d{2})|(Z))?/";
	
		if ( preg_match( $pat, $date_str, $match ) ) {
			list( $year, $month, $day, $hours, $minutes, $seconds) = 
				array( $match[1], $match[2], $match[3], $match[4], $match[5], $match[6]);
			
			# calc epoch for current date assuming GMT
			$epoch = gmmktime( $hours, $minutes, $seconds, $month, $day, $year);
		
			$offset = 0;
			if ( $match[10] == 'Z' ) {
				# zulu time, aka GMT
			}
			else {
				list( $tz_mod, $tz_hour, $tz_min ) =
					array( $match[8], $match[9], $match[10]);
				
				# zero out the variables
				if ( ! $tz_hour ) { $tz_hour = 0; }
				if ( ! $tz_min ) { $tz_min = 0; }
			
				$offset_secs = (($tz_hour*60)+$tz_min)*60;
				
				# is timezone ahead of GMT?  then subtract offset
				#
				if ( $tz_mod == '+' ) {
					$offset_secs = $offset_secs * -1;
				}
				
				$offset = $offset_secs;	
			}
			$epoch = $epoch + $offset;
			return $epoch;
		}
		else {
			return -1;
		}
	}
}
?>

audioscrobbler : Plugins