<?php

/**
 * news.php
 * --------
 * @version 5.3.2
 * @copyright 2002-2006 Melbis Company
 * @link http://www.melbis.com
 * @author Dmitriy Kasyanov
 **/
 
// Require classes and includes
require_once('./admin/privat/privat.php');
require_once('./admin/includes/common.php');
require_once('./admin/includes/section.php');
require_once('./admin/includes/messages.php');
require_once('./admin/class/show/class.XML.php');
require_once('./admin/class/show/class.FastTemplate.php');


// Start sessions
shop_session();

// Go!
main();


/**
 * Function main
 **/
function main()
{
	global $gData, $gOptions, $gStartPoint, $gEndPoint;

	// Get start point for time
	$gStartPoint = run_time(0);
	
	// Connect to Data 
	$gData = data_connect();	

	// Get base shop options
	$gOptions = $gData->GetShopValues('', true);
		
	// Make path for back
	make_back_path();
	
	// Define what to do
	$action = $_GET['action'];
	if ( isset($_POST['action']) ) $action = $_POST['action'];
	switch ( $action )
	{
		case 'rss' : 
			rss();
			break;
		case 'subscribe' : 
			subscribe();
			break;			
		case 'unsubscribe' : 
			unsubscribe();
			break;			
		case 'view' : 
			view_news();
			break;
		default :
			news_tree();
	} // switch	

	// Echo page compilate time
	//echo_page_time($gEndPoint);

}

/**
 * Function rss
 * Return news in RSS format
 **/
function rss()
{
	global $gData, $gOptions, $gTpl;

	// Start XML file
	$xml_file = './admin/tmp/'.md5(session_id()).'.xml';
	$xml = new XML(SHOP_CHARSET, $xml_file, SHOP_CHARSET, false);
	$xml->StartTag('rss', array('version' 	=> '2.0'));
	$xml->StartTag('channel');
	
	// Personal info
	$url = rtrim($gOptions['attr_base_url'], '/');
	$xml->PutTag('title', array(), $gOptions['attr_shop_name']);
	$xml->PutTag('link', array(), $gOptions['attr_shop_url']);
	$xml->PutTag('description', array(), $gOptions['attr_shop_descr']);
	$xml->PutTag('language', array(), 'ru');
	$xml->PutTag('generator', array(), 'Melbis Shop v'.SCRIPT_VERSION);
	$xml->StartTag('image');
	$xml->PutTag('url', array(), $url.$gOptions['attr_shop_logo']);
	$xml->PutTag('title', array(), $gOptions['attr_shop_name']);
	$xml->PutTag('link', array(), $gOptions['attr_shop_url']);
	$xml->CloseTag('image');
	
	// Request topic & goods
	$rss = $gData->GetNewsRSS();
	$rows = $gData->GetNumRows($rss);
	$sign = ( SHOP_GMT > 0 ) ? '+' : '-';
	for ( $n = 1; $n <= $rows; $n++ ) 
	{			
		$hash = $gData->FetchRow($rss);
		$xml->StartTag('item');
		$xml->PutTag('title', array(), $hash[2]);
		$xml->PutTag('link', array(), $url.'/news.php?action=view&cont_id='.$hash[1]);
		$content = ( strlen($hash[4]) > 0 ) ? $hash[4] : $hash[3];
		$content = str_replace('src="', 'src="'.$url.'/', $content);
		$xml->PutTag('description', array(), $content);
		$xml->PutTag('author', array(), $gOptions['attr_shop_name']);
		$xml->PutTag('category', array(), $hash[0]);
		if ( strlen($hash[5]) > 0 )
		{
			$path_info = pathinfo($hash[5]);
			$xml->PutTag('enclosure', array('url' => $url.'/files/news_attach'.$hash[1].'.'.$path_info['extension'], 'type' => $path_info['extension']));
		}
		$xml->PutTag('guid', array(), $url.'/news.php?action=view&cont_id='.$hash[1]);
		$xml->PutTag('pubDate', array(), date("D, j M Y G:i:s ".$sign."0".SHOP_GMT."00", strtotime($hash[6])));
		$xml->CloseTag('item');	
	}

	$xml->CloseTag('channel');
	$xml->CloseTag('rss');
	$xml->Free();
	
	header( 'Content-type: text/xml; charset='.SHOP_CHARSET );
	echo implode('',file($xml_file));
	@unlink($xml_file);	
	
}
	
/**
 * Function subscribe
 * Subscribe new user or modify exists
 **/
function subscribe()
{
	global $gData, $gOptions, $gTpl, $gStartPoint, $gEndPoint;

	// Init templates
	$gTpl = new FastTemplate('./'.TEMPLATES.'/_news/tree/subscribe');
	$gTpl->DefineTemplate(array('main'	=> 'main.htm',
							    'error'	=> 'error.htm',
							    'ok'	=> 'ok.htm'
							    ));	

	// Verify E-mail
	if ( eregi("^[_a-z0-9-]+(\.[_a-z0-9-]+)*@([0-9a-z](-?[0-9a-z])*\.)+[a-z]{2}([zmuvtg]|fo|me)?$", $_GET['email']) )
	{
		$news = explode('I', rtrim($_GET['news'], 'I'));
		foreach ( $news as $id )
		{
			if ( $id*1 > 0 ) $gData->NewSubscribe($id*1, 
											      addslashes($_GET['email']), 
											      addslashes($_GET['charset']), 
											      get_date()
											      );
		}
		$gTpl->Parse('CONTENT', 'ok');
	}
	else 
	{
		$gTpl->Parse('CONTENT', 'error');
	}
							    
	// Echo shop variables
	echo_shop_variables('in_techpage');	

	// Parse main page
	$gTpl->Parse('MAIN', 'main');
	$gEndPoint = run_time($gStartPoint);
	$gTpl->FastPrint('MAIN');
}

/**
 * Function unsubscribe
 * UnSubscribe user or modify news for send
 **/
function unsubscribe()
{
	global $gData, $gOptions, $gTpl, $gStartPoint, $gEndPoint;

	// Init templates
	$gTpl = new FastTemplate('./'.TEMPLATES.'/_news/tree/unsubscribe');
	$gTpl->DefineTemplate(array('main'	=> 'main.htm',
							    'error'	=> 'error.htm',
							    'ok'	=> 'ok.htm'
							    ));	

	// Verify E-mail
	if ( eregi("^[_a-z0-9-]+(\.[_a-z0-9-]+)*@([0-9a-z](-?[0-9a-z])*\.)+[a-z]{2}([zmuvtg]|fo|me)?$", $_GET['email']) )
	{
		$news = explode('I', rtrim($_GET['news'], 'I'));
		$news_list = '';
		foreach ( $news as $id )
		{
				if ( $id*1 > 0 ) $news_list .= ($id*1).', ';
		}
		if ( $gData->UnSubscribe(addslashes($_GET['email']), rtrim($news_list, ', ')) )
		{
			$gTpl->Parse('CONTENT', 'ok');
		}
		else 
		{
			$gTpl->Parse('CONTENT', 'error');
		}
	}
	else 
	{
		$gTpl->Parse('CONTENT', 'error');
	}
							    
	// Echo shop variables
	echo_shop_variables('in_techpage');	

	// Parse main page
	$gTpl->Parse('MAIN', 'main');
	$gEndPoint = run_time($gStartPoint);
	$gTpl->FastPrint('MAIN');
}

/**
 * Function news_tree
 * Print news tree with special function if need
 **/
function news_tree()
{
	global $gData, $gOptions, $gTpl, $gStartPoint, $gEndPoint, $gCharset;
	
	// Init templates
	$gTpl = new FastTemplate('./'.TEMPLATES);
	$gTpl->DefineTemplate(array('blank' 		=> 'blank.htm',
							    'main'			=> '_news/main.htm',
							    'page_title'	=> '_news/tree/page_title.htm'
							    ));
	
	// Init vars
	$gTpl->Parse('PAGETITLE', 'page_title');
	
	// Get news
	$news = $gData->GetNewsTree();	
	$rows = $gData->GetNumRows($news);	
	
	// Parse news tree
	$tpl = new FastTemplate('./'.TEMPLATES.'/_news/tree');
	$tpl->DefineTemplate(array('main' 			=> 'main.htm',  	 
			 				   'unit' 			=> 'unit.htm',
							   'elem_file'		=> 'elem_file.htm',
							   'elem_folder'	=> 'elem_folder.htm',
							   'subscribe'		=> 'subscribe.htm',
							   'rss'			=> 'rss.htm'
							    ));
	$code = '';
	for ( $n = 1; $n <= $rows; $n++ ) 
	{			
		$hash = $gData->FetchRow($news);
		// common vars
		$tpl->Assign(array('ID'			=> $hash[0],
						   'NAME'		=> htmlspecialchars($hash[1]),
						   'DESCR'		=> $hash[6],
						   'LEVEL'		=> $hash[2]
						   ));
		// if folder
		if ( $hash[5] == 1) 
		{
			$tpl->Parse('ELEMENT', 'elem_folder');
		}
		// if not folder
		else
		{
			$tpl->Assign(array('CHECK'		=> $checked,
							   'NEWSLINK'	=> '',
							   'SUBSCRIBE'	=> '',
							   'RSS'		=> ''
							   ));
			if ( $hash[14] == 0 && $hash[11] == 0 ) $tpl->Assign('NEWSLINK', 'href=./news.php?action=view&news_id='.$hash[0]);
			if ( $hash[9] == 1 ) 
			{
				$tpl->Parse('SUBSCRIBE', 'subscribe');
				$code .= $hash[0].'I';
			}
			if ( $hash[14] == 0 && $hash[10] == 1 ) $tpl->Parse('RSS', 'rss');
			$tpl->Parse('ELEMENT', 'elem_file');
		}
		$tpl->Parse('UNIT', '.unit');
	}
	if ( $rows == 0) 
	{
		$gTpl->Assign('CONTENT', '');
	}
	else 
	{
		$tpl->Assign('CODE', rtrim($code, 'I'));
	    $charset = '';
    	foreach ( $gCharset as $set )
    	{
	    	$charset .= '<option value="'.$set.'" >'.$set.'</option>';
    	}
    	$tpl->Assign('CHARSETS', $charset);		
		$tpl->Parse('MAIN', 'main');
		$gTpl->Append('CONTENT', $tpl->Fetch('MAIN'));
	}
								    
	$gTpl->Parse('CONTENT', 'main');

	// Echo shop variables
	echo_shop_variables('in_techpage', true);

	// Additional modules
	use_php_mod('other');
	
	// Parse main page
	$gTpl->Parse('BLANK', 'blank');
	$gEndPoint = run_time($gStartPoint);
	$gTpl->FastPrint('BLANK');
		
}



/**
 * Function view_news
 * View news list and content of selected news
 **/
function view_news()
{
	global $gData, $gOptions, $gTpl, $gStartPoint, $gEndPoint;
	
	// Init templates
	$gTpl = new FastTemplate('./'.TEMPLATES);
	$gTpl->DefineTemplate(array('blank' 		=> 'blank.htm',
							    'main'			=> '_news/main.htm'
							    ));
	
	// Init vars
	$news_view = false;
							    
	// View the news
	$news_content_id = $_GET['cont_id']*1;
	$hash = $gData->GetNewsContent($news_content_id);							    
	if ( $hash['id'] == $news_content_id && $news_content_id > 0 )
	{
		// Init templates
		$tpl = new FastTemplate('./'.TEMPLATES.'/_news/view');
		$tpl->DefineTemplate(array('main' 		=> 'main.htm',
								   'attach'		=> 'attach.htm'
								   ));
		$tpl->Assign(array('NAME'		=> htmlspecialchars($hash['name']),
						   'DATE'		=> date($gOptions['main_fmt_date'], strtotime($hash['date_time'])),
						   'TIME'		=> date($gOptions['main_fmt_time'], strtotime($hash['date_time'])),
						   ));		
		$tpl->Assign('CONTENT', ( strlen($hash['content']) > 0 ) ? $hash['content'] : $hash['descr']);
		if ( strlen($hash['attach']) > 0 )
		{
			$path_info = pathinfo($hash['attach']);
			$tpl->Assign(array('FILENAME'	=> htmlspecialchars($hash['attach']),
						   	   'FILELINK'	=> './files/news_attach'.$hash['id'].'.'.$path_info['extension'],
						   	   'EXTENSION'	=> $path_info['extension'],
						       ));
			$tpl->Parse('ATTACH', 'attach');
		}
		else 
		{
			$tpl->Assign('ATTACH', '');
		}
		$tpl->Parse('MAIN', 'main');
		$gTpl->Assign('PAGETITLE', $hash['name']);
		$gTpl->Assign('CONTENT', $tpl->Fetch('MAIN'));	
		$news_view = true;					
	}

	// Parse news block list
	$news_id = $_GET['news_id']*1;
	$news_id = ( $news_view ) ? $hash['news_id'] : $news_id;
	$hash = $gData->GetNews($news_id);
	$news_list = $gData->GetNewsList($news_id, 50);
	$news_list_rows = $gData->GetNumRows($news_list);	
	if ( $news_list_rows > 0 )
	{	
		// Init templates
		$tpl = new FastTemplate('./'.TEMPLATES.'/_news/block_list');
		$tpl->DefineTemplate(array('main' 			=> 'main.htm',  	 
				 				   'unit'			=> 'unit.htm',
								   'between_row'	=> 'between_row.htm',
								   'more'			=> 'more.htm'
								   ));		
		for ( $n = 1; $n <= $news_list_rows; $n++ )
		{
			$hash_cont = $gData->FetchRow($news_list);
			if ( $n == $news_list_rows ) 
			{ 
				$tpl->Assign('BETWEENROW', ''); 
			}		
			$tpl->Assign(array('NAME'	=> htmlspecialchars($hash_cont[1]),
							   'ID'		=> $hash_cont[0],
							   'DATE'	=> date($gOptions['main_fmt_date'], strtotime($hash_cont[2])),
							   'TIME'	=> date($gOptions['main_fmt_time'], strtotime($hash_cont[2])),
							   'DESCR'	=> $hash_cont[3]
							   ));
			if ( strlen($hash_cont[4]) > 0 || strlen($hash_cont[5]) > 0 )
			{
				$tpl->Parse('MORE', 'more');
			}
			else 
			{
				$tpl->Assign('MORE', '');
			}
			// Parse unit
			$tpl->Parse('UNIT', '.unit');
		}			
		$tpl->Parse('BETWEENROW', 'between_row');
		$tpl->Assign('NAME', htmlspecialchars($hash['name']));
		$tpl->Parse('MAIN', 'main');
		$gTpl->Append('CONTENT', $tpl->Fetch('MAIN'));
		if ( !$news_view ) $gTpl->Assign('PAGETITLE', $hash['name']);	
	}
	
	// if not found news
	if ( !$news_view && $news_list_rows == 0)
	{
		$gTpl->Append('PAGETITLE', implode("", (file('./'.TEMPLATES.'/_news/view/empty.htm'))));
		$gTpl->Append('CONTENT', '');
	}

	
	$gTpl->Parse('CONTENT', 'main');

	// Echo shop variables
	echo_shop_variables('in_techpage', true);

	// Additional modules
	use_php_mod('other');
	
	// Parse main page
	$gTpl->Parse('BLANK', 'blank');
	$gEndPoint = run_time($gStartPoint);
	$gTpl->FastPrint('BLANK');
		
}

?>