<?php
  //session_start();
  header("Content-type: application/rss+xml");

  include_once("includes/includes.inc.php");
  include_once( 'class.bookcategory.php' );
  include_once( "class.bookmanager.php" );
  include_once( "class.book.php" );
  include_once( "class.Validate.php" );
  include_once( 'class.chapter.php' );

  include_once( 'class.podcast.php' );
  include_once( 'class.user.php' );
  include_once( 'class.subscription.php' );

function htmlnumericentities($str){
  return preg_replace('/[^!-%\x27-;=?-~ ]/e', '"&#".ord("$0").chr(59)', $str);
};//EoFn htmlnumericentities

function rss_scrub($str) {
				 return htmlnumericentities(stripslashes($str));
}
  $nav = $_SERVER["REQUEST_URI"];
  $script = $_SERVER["SCRIPT_NAME"];
  $nav = ereg_replace("^$script", "", $nav);
  $nav = str_replace(".xml", "", $nav);
  $vars = explode("/", $nav);
	$doSampler=false;
	
	$user = $vars[1];
  $book = $vars[2];
	
  
	if ($user=='sampler') {
		 $doSampler=true;
	}
  //$page = $vars[2];
  //require("/rssfeed.php?ID=".$book);


  $pubdate="";
 if ($doSampler) {
 
 		$bookid=$book;
  	$userid=$user;

  	//$user=new user();
  	//$user->LoadByID($userid);
  	//$sub=$user->GetSubscriptionForBook($bookid);
		//if (datediff("d", date('Y-m-d',strtotime($sub->GetLastDownloadDate())), date( 'Y-m-d' ), false)>=$sub->GetDayInterval()) {
  	 
      	//$nextchapter=$sub->GetLastDownloadChapter() + 1;
      	
      	
      	 //if ($nextchapter>$book->GetChapterCount()) {
      	 				//$nextchapter=$sub->GetLastDownloadChapter();
         				//$pubdate=$sub->GetLastDownloadDate();
      	// }
        
        //} else {
        //$nextchapter=$sub->GetLastDownloadChapter();
        //$pubdate=$sub->GetLastDownloadDate();
      		$pubdate=date( 'Y-m-d H:i:s' );	
        //}
        //"%a, %d %b %Y %H:%M:%S"
      
      
        $ID=$bookid;
        $subID=-1 ;
        $url=SITE_ADDR;
				$book = new book();
  $book->LoadById( $bookid );
        $booktitle=$book->GetTitle() ;
        $authors=$book->GetAuthors() ;
        $description=$book->GetDescription() ;
      	
        $webpage=$book->GetWebpage() ;
        $feedurl= $book->GetFeedURL() ;
      	
      	$chapters = $book->GetFirstXChapters( 3 );
		
 } else {
 	  $bookid=$book;
  	$userid=$user;
		$book = new book();
    $book->LoadById( $bookid );
  	$user=new user();
  	$user->LoadByID($userid);
  	$sub=$user->GetSubscriptionForBook($bookid);
		
		//If the subscription has been cancelled, kill the feed.
		if ($sub->GetEnabled()!=1) {
			 exit;
		}
		
		
		if (datediff("d", date('Y-m-d',strtotime($sub->GetLastDownloadDate())), date( 'Y-m-d' ), false)>=$sub->GetDayInterval()) {
  	 
      	$nextchapter=$sub->GetLastDownloadChapter() + 1;
      	
      	
      	 if ($nextchapter>$book->GetChapterCount()) {
      	 				$nextchapter=$sub->GetLastDownloadChapter();
         				$pubdate=$sub->GetLastDownloadDate();
      	 }
        
        } else {
        $nextchapter=$sub->GetLastDownloadChapter();
        //$pubdate=$sub->GetLastDownloadDate();
      		$pubdate=date( 'Y-m-d H:i:s' );	
        }
        //"%a, %d %b %Y %H:%M:%S"
      
      
        $ID=$bookid;
        $subID=$sub->GetID() ;
        $url=SITE_ADDR;
				$book = new book();
  $book->LoadById( $bookid );
        $booktitle=$book->GetTitle() ;
        $authors=$book->GetAuthors() ;
        $description=$book->GetDescription() ;
      	
        $webpage=$book->GetWebpage() ;
        $feedurl= $book->GetFeedURL() ;
      	
      	$chapters = $book->GetChaptersForFeed($nextchapter);
 }
  

  $category=new bookcategory();
  $category->LoadById($book->GetCategoryID());
  $libinfo=explode("/",$chapters[0][4]);


	echo ("<?xml version=\"1.0\"?>\n") ;
  //echo ("<rss xmlns:content=\"http://purl.org/rss/1.0/modules/content/\" xmlns:wfw=\"http://wellformedweb.org/CommentAPI/\" xmlns:dc=\"http://purl.org/dc/elements/1.1/\" xmlns:itunes=\"http://www.itunes.com/DTDs/Podcast-1.0.dtd\" version=\"2.0\">\n") ;
	echo ("<rss xmlns:content=\"http://purl.org/rss/1.0/modules/content/\" xmlns:itunes=\"http://www.itunes.com/DTDs/Podcast-1.0.dtd\" version=\"2.0\">\n") ;
  echo ("	<channel>\n") ;
  echo ("		<title>Podiobook: ".$booktitle." by ".$authors."</title>\n") ;
	echo ("   <link>http://www.podiobooks.com/podiobooks/book.php?ID=".$ID."</link>\n") ;
	echo ("		<description>".stripslashes($description)." -- brought to you by Podiobooks.com</description>\n") ;
  echo ("		<webMaster>chris@podiobooks.com</webMaster>\n") ;
  echo ("   <managingEditor>evo@podiobooks.com (Evo Terra)</managingEditor>\n") ;
	echo ("		<pubDate>".date("r",strtotime($pubdate))."</pubDate>\n") ;
	echo ("   <category>audio book</category>\n") ;
  echo ("   <category>".$category->GetName()."</category>\n") ;
	echo ("   <image>\n") ;
  echo ("								<url>http://www.podiobooks.com/images/".$book->GetCoverimage()."</url>\n") ;
  echo ("								<width>144</width>\n") ;
  echo ("								<height>144</height>\n") ;
	echo ("								<link>http://www.podiobooks.com/podiobooks/book.php?ID=".$ID."</link>\n") ;
  echo ("								<title>".$booktitle." by ".$authors."</title>\n") ;
  echo ("		</image>\n") ;
	echo ("   <copyright>Some rights reserved, 2004-2005. ".$authors."</copyright>\n") ;
  echo ("		<language>en-us</language>\n") ;
  echo ("		<docs>http://blogs.law.harvard.edu/tech/rss</docs>\n") ;
  echo ("		<generator>Castermaster 1.0</generator>\n") ;
	echo ("\n\n");

  echo ("<!-- Start iTunes tags -->\n") ;
  echo ("		<itunes:subtitle>".$booktitle." by ".$authors."</itunes:subtitle>\n");
  echo ("		<itunes:summary>A Podiobooks.com presentation:" .stripslashes($description)."</itunes:summary>\n") ;
  echo ("   <itunes:owner>") ;
  echo ("   						 <itunes:email>evo@dragonpage.com</itunes:email>\n") ;
  echo ("   						 <itunes:name>Evo Terra</itunes:name>\n") ;
  echo ("   </itunes:owner>\n") ;
  echo ("   <itunes:author>editor@podiobooks.com</itunes:author>\n") ;
	echo ($category->GetITunesXML()."\n") ;
	echo ("<itunes:link rel=\"image\" type=\"video/jpeg\" href=\"http://www.podiobooks.com/images/".$book->GetCoverimage() ."\">".$booktitle." by ".$authors."</itunes:link>\n") ;
  if ($book->GetExplicit()==1) {
  echo ("   <itunes:explicit>yes</itunes:explicit>\n") ;
  } else {
  echo ("   <itunes:explicit>no</itunes:explicit>\n") ;
  }
  echo ("<!-- End iTunes tags -->\n") ;
  echo ("		\n\n") ;
  
	
	//MULTIPLEITEMS
	$pubdate=date( 'Y-m-d H:i:s' );	
	
		//=========================================
	// STANDARD CHAPTERS
	//=========================================
	for ($i=0;$i<count($chapters);$i++) {
			if (!($doSampler)) {
			if ($i!=0) {
			  $newdate=DateAdd('d','-'.($sub->GetDayInterval()*$i),time($pubdate));
				$pubdate=Date('Y-m-d H:i:s',$newdate);
				
			  
			}
									
		}				$chapdesc=	stripslashes($chapters[$i][3]);
						$chapdesc=str_replace('"',"&quot;",$chapdesc);
						$chapdesc=str_replace('’',"'",$chapdesc);
														
      	echo ("		<item>\n") ;
        echo ("							 <title>".$chapters[$i][10]."</title>\n") ;
        echo ("							 <link>http://www.podiobooks.com/</link>\n") ;
      	echo ("     				 <comments>http://www.podiobooks.com/podiobooks/book.php?ID=".$ID."</comments>\n") ;
        echo ("							 <description>".htmlentities($chapdesc)."</description>\n") ;
        echo ("     				 <category>audio book</category>\n") ;
      	echo ("   					 <category>".$category->GetName()."</category>\n") ;
        //echo ("							 <guid isPermaLink=\"false\">\"http://".$url."/chapter2/".$subID."/".$chapters[$i][2]."/".$chapters[$i][0]."/|".$chapters[$i][4]."\"</guid>\n") ;
        echo ("							 <guid isPermaLink=\"false\">".md5($subID."/".$chapters[$i][2]."/".$chapters[$i][0])."</guid>\n") ;
        
				echo ("							 <pubDate>".date("r",strtotime($pubdate))."</pubDate>\n") ;
        echo ("     				 <author>editor@podiobooks.com</author>\n") ;
				
				
				//echo ("							 <enclosure url=\"http://".$url."/chapter/".$subID."/".$chapters[0][2]."/".$libinfo[1]."/|".urlencode($libinfo[2])."\" length=\"".$chapters[0][11]."\" type=\"audio/mpeg\" />\n") ;
        //echo ("							 <enclosure url=\"http://".$url."/chapter2/".$subID."/".$chapters[$i][2]."/".$chapters[$i][0]."/?".$chapters[$i][4]."\" length=\"".$chapters[$i][11]."\" type=\"audio/mpeg\" />\n") ;
        //echo ("							 <enclosure url=\"http://".$url."/chapter/".$subID."/".$chapters[$i][2]."/".$chapters[$i][0]."/chapter.mp3\" length=\"".$chapters[$i][11]."\" type=\"audio/mpeg\" />\n") ;
        
				//Find the true filename
				$filename=explode("/",$chapters[$i][4]);
				if ($doSampler) {
					 echo ("							 <enclosure url=\"http://".$url."/sample/".$chapters[$i][0]."/".$filename[count($filename)-1]."\" length=\"".$chapters[$i][11]."\" type=\"audio/mpeg\" />\n") ;
        
				} else {
					echo ("							 <enclosure url=\"http://".$url."/chapter/".$subID."/".$chapters[$i][2]."/".$chapters[$i][0]."/".$filename[count($filename)-1]."\" length=\"".$chapters[$i][11]."\" type=\"audio/mpeg\" />\n") ;
        
				}
        
      	echo ("\n\n") ;
      	
      	echo ("<!-- Start RDF 1.0 tags -->\n") ;
      	echo ("							 <content:encoded>".stripslashes($chapters[$i][3])."</content:encoded>\n") ;
        echo ("<!-- End RDF 1.0 tags -->\n") ;
      	echo ("\n\n") ;
      	
      	echo ("<!-- Start iTunes tags -->\n") ;
      	echo ("     				 <itunes:author>editor@podiobooks.com</itunes:author>\n") ;
      	echo ("							 <itunes:subtitle>".stripslashes($chapters[$i][3])."</itunes:subtitle>\n") ;
        echo ("							 <itunes:summary>".stripslashes($chapters[$i][3])."</itunes:summary>\n") ;
        echo ($category->GetITunesXML()."\n") ;
      	if ($book->GetExplicit()==1) {
        echo ("      				 <itunes:explicit>yes</itunes:explicit>\n") ;
        } else {
        echo ("      				 <itunes:explicit>no</itunes:explicit>\n") ;
        }
      	echo ("							 <itunes:duration>00:45:00</itunes:duration>\n") ;
      	
      	echo ("	   					 <itunes:keywords>".ereg_replace("[^A-Za-z0-9]", "", $booktitle)." ".$authors." ".$category->GetName()." podiobook audio book</itunes:keywords>\n") ;
        echo ("<!-- End iTunes tags -->\n") ;
      	echo ("\n\n") ;
      	  
        echo ("		</item>\n") ;
	}
	
	//=========================================
	// SAMPLER CHAPTER ENDING
	//=========================================
	if ($doSampler) {
	
			$chapdesc=	"Want to hear more chapters from ".$booktitle." by ".$authors."? Go to Podiobooks.com and become a member. It's free!" ;
						$chapdesc=str_replace('"',"&quot;",$chapdesc);
						$chapdesc=str_replace('’',"'",$chapdesc);
														
      	echo ("		<item>\n") ;
        echo ("							 <title>Want to hear more?</title>\n") ;
        echo ("							 <link>http://www.podiobooks.com/</link>\n") ;
      	echo ("     				 <comments>http://www.podiobooks.com/podiobooks/book.php?ID=".$ID."</comments>\n") ;
        echo ("							 <description>".htmlentities($chapdesc)."</description>\n") ;
        echo ("     				 <category>audio book</category>\n") ;
      	echo ("   					 <category>".$category->GetName()."</category>\n") ;
        //echo ("							 <guid isPermaLink=\"false\">\"http://".$url."/chapter2/".$subID."/".$chapters[$i][2]."/".$chapters[$i][0]."/|".$chapters[$i][4]."\"</guid>\n") ;
        echo ("							 <guid isPermaLink=\"false\">".md5($subID."/".$bookid."/sampler_end_1.mp3")."</guid>\n") ;
        
				echo ("							 <pubDate>".date("r",strtotime($pubdate))."</pubDate>\n") ;
        echo ("     				 <author>editor@podiobooks.com</author>\n") ;
				
				
				//echo ("							 <enclosure url=\"http://".$url."/chapter/".$subID."/".$chapters[0][2]."/".$libinfo[1]."/|".urlencode($libinfo[2])."\" length=\"".$chapters[0][11]."\" type=\"audio/mpeg\" />\n") ;
        //echo ("							 <enclosure url=\"http://".$url."/chapter2/".$subID."/".$chapters[$i][2]."/".$chapters[$i][0]."/?".$chapters[$i][4]."\" length=\"".$chapters[$i][11]."\" type=\"audio/mpeg\" />\n") ;
        //echo ("							 <enclosure url=\"http://".$url."/chapter/".$subID."/".$chapters[$i][2]."/".$chapters[$i][0]."/chapter.mp3\" length=\"".$chapters[$i][11]."\" type=\"audio/mpeg\" />\n") ;
        
				//Find the true filename
				$filename=explode("/",$chapters[$i][4]);
				echo ("							 <enclosure url=\"http://".$url."/sample/0/sampler_end_2.mp3\" length=\"516376\" type=\"audio/mpeg\" />\n") ;
        
				echo ("\n\n") ;
      	
      	echo ("<!-- Start RDF 1.0 tags -->\n") ;
      	echo ("							 <content:encoded>".$chapdesc."</content:encoded>\n") ;
        echo ("<!-- End RDF 1.0 tags -->\n") ;
      	echo ("\n\n") ;
      	
      	echo ("<!-- Start iTunes tags -->\n") ;
      	echo ("     				 <itunes:author>editor@podiobooks.com</itunes:author>\n") ;
      	echo ("							 <itunes:subtitle>".$chapdesc."</itunes:subtitle>\n") ;
        echo ("							 <itunes:summary>".$chapdesc."</itunes:summary>\n") ;
        echo ($category->GetITunesXML()."\n") ;
      	if ($book->GetExplicit()==1) {
        echo ("      				 <itunes:explicit>yes</itunes:explicit>\n") ;
        } else {
        echo ("      				 <itunes:explicit>no</itunes:explicit>\n") ;
        }
      	echo ("							 <itunes:duration>00:45:00</itunes:duration>\n") ;
      	
      	echo ("	   					 <itunes:keywords>".ereg_replace("[^A-Za-z0-9]", "", $booktitle)." ".$authors." ".$category->GetName()." podiobook audio book</itunes:keywords>\n") ;
        echo ("<!-- End iTunes tags -->\n") ;
      	echo ("\n\n") ;
      	  
        echo ("		</item>\n") ;
	}
	
	
  echo ("	\n") ;
  echo ("</channel>\n") ;
  echo ("</rss>") ;


  /*
  $tpl->displayTemplate();

  */

  //*** If you can read from the URL...
  //$filename = "http://".SITE_ADDR."/bookfeed.php?UserID=".$user."&BookID=".$book;

  //$handle = fopen($filename, "r");
  //$contents = '';
  //while (!feof($handle)) {
  //  $contents .= fread($handle, 8192);
  //}

  //fclose($handle);
  //echo($contents);
?>