Initial commit

2013-08-07 14:11:17 +02:00
commit 5fd2896407
545 changed files with 12528 additions and 0 deletions
--- a/inc/rss.php
+++ b/inc/rss.php
@@ -0,0 +1,169 @@
+<?php
+
+/** 
+ * RSS Feed Class
+ * @author franzz
+ * @version 1.1
+ * 
+ * Input: 
+ * - $asDesc: Array. Description of the feed: fields 'title', 'link' (optional), 'copyright', 'description', 'language', 'webmaster_mail'
+ * - $asItems: Array. Feed item data: fields 'title', 'description', 'author', 'link', 'pub_date', 'guid'
+ */
+class Feed extends PhpObject {
+	
+	private $asDesc;
+	private $asItems;
+	
+	public function __construct($asDesc, $asItems=array())
+	{
+		parent::__construct();
+		if(!array_key_exists('link', $asDesc))
+		{
+			$asDesc['link'] = 'http://'.$_SERVER['SERVER_NAME'].$_SERVER['SCRIPT_NAME'].'/rss';
+		}
+		$this->asDesc = $asDesc;
+		array_walk($asItems, array($this, 'addItem'));
+	}
+	
+	public function addItem($asItem)
+	{
+		$this->asItems[] = $asItem;
+		return count($this->asItems) - 1;
+	}
+	
+	public function removeItem($iItemId)
+	{
+		$bExist = array_key_exists($iItemId, $this->asItems);
+		if($bExist) unset($this->asItems[$iItemId]);
+		return $bExist;
+	}
+	
+	private function getGlobalPubDate()
+	{
+		$iGlobalPubDate = 0;
+		foreach($this->asItems as $asItem)
+		{
+			$iItemPubDate = strtotime($asItem['pub_date']);
+			if($iItemPubDate>$iGlobalPubDate)
+			{
+				$iGlobalPubDate = $iItemPubDate;
+			}
+		}
+		return self::cleanRss(self::getDate($iGlobalPubDate));
+	}
+	
+	public function getFeed()
+	{
+			
+		//feed header
+		$sRssFeedHeader  = self::getHtml($this->asDesc['title'], 'title');
+		$sRssFeedHeader .= self::getHtml($this->asDesc['link'], 'link');
+		$sRssFeedHeader .= self::getHtml($this->asDesc['copyright'], 'copyright');
+		$sRssFeedHeader .= self::getHtml($this->asDesc['description'], 'description');
+		$sRssFeedHeader .= self::getHtml('', 'atom:link', '', '', array('href'=>$this->asDesc['link'], 'rel'=>'self', 'type'=>'application/atom+xml'), true);
+		$sRssFeedHeader .= self::getHtml($this->asDesc['language'], 'language');
+		$sRssFeedHeader .= self::getHtml($this->getGlobalPubDate(), 'pubDate');
+		$sRssFeedHeader .= self::getHtml('Lutran.fr RSS Feed Generator', 'generator');
+		$sRssFeedHeader .= self::getHtml($this->asDesc['webmaster_mail'].' (Webmaster)', 'webMaster');
+		
+		//feed items
+		$asSortedItems = $this->rSortTimeMatrix($this->asItems, 'pub_date');
+		$sItems = implode("\n", array_map(array($this, 'buildItem'), $asSortedItems));
+
+		//Global Feed
+		$sFeed = '<?xml version="1.0" encoding="ISO-8859-1" ?>';
+		$sFeed .= self::getHtml(self::getHtml($sRssFeedHeader.$sItems, 'channel'), 'rss', '', '', array('version'=>'2.0', 'xmlns:atom'=>'http://www.w3.org/2005/Atom'));
+		
+		return $sFeed;
+	}
+	
+	private static function getDate($sDate)
+	{
+		if(!is_numeric($sDate))
+		{
+			$sDate = strtotime($sDate);
+		}
+		return date('r', $sDate);
+	}
+	
+	private function buildItem($asItem)
+	{
+		$sRssItem  = self::getHtml(self::cleanRss($asItem['title']), 'title');
+		$sRssItem .= self::getHtml(self::cleanRss($asItem['author']), 'author');
+		$sRssItem .= self::getHtml($asItem['link'], 'link');
+		$sRssItem .= self::getHtml($asItem['category'], 'category');
+		$sRssItem .= self::getHtml(self::cleanRss($asItem['description'].'.'), 'description');
+		$sRssItem .= self::getHtml(self::getDate($asItem['pub_date']), 'pubDate');
+		$sRssItem .= self::getHtml($asItem['guid'], 'guid', '', '', array('isPermaLink'=>'true'));
+		return self::getHtml($sRssItem, 'item');
+	}
+	
+	private static function getHtml($oText, $sTag, $sClass='', $sStyle='', $asExtraAttr=array(), $bAutoClose=false, $sInter='')
+	{
+		$sHtmlAttr = '';
+		if($sClass!='')
+		{
+			$asExtraAttr['class'] = $sClass;
+		}
+		if($sStyle!='')
+		{
+			$asExtraAttr['style'] = $sStyle;
+		}
+		foreach($asExtraAttr as $sAttrName=>$sAttrValue)
+		{
+			$sHtmlAttr .= ' '.$sAttrName.'="'.$sAttrValue.'"';
+		}
+		if($bAutoClose)
+		{
+			$sHtml = self::encapsulate('', "\n".'<'.$sTag.$sHtmlAttr, ' />');
+		}
+		else
+		{
+			$sHtml = self::encapsulate($oText, "\n".'<'.$sTag.$sHtmlAttr.'>', '</'.$sTag.'>', $sInter);
+		}
+		return $sHtml;
+	}
+	
+	private static function cleanRss($oText)
+	{
+		$asForbiddenChars = array('&', '<', '>', '"', "'");
+		$asReplacementCode = array('&amp;', '&lt;', '&gt;', '&quot;', '&apos;');
+		if(!is_array($oText))
+		{
+			return str_replace($asForbiddenChars, $asReplacementCode, $oText);
+		}
+		elseif(count($oText)>0)
+		{
+			$oTextKeys = array_map(array($this, 'cleanRss'), array_keys($oText));
+			$oTextValues = array_map(array($this, 'cleanRss'), array_values($oText));
+			return array_combine($oTextKeys, $oTextValues);
+		}
+		else
+		{
+			return $oText;
+		}
+	}
+	
+	private static function encapsulate($oText, $sPre='', $sPost=false, $sInter='')
+	{
+		if($sPost===false)
+		{
+			$sPost = $sPre;
+		}
+		if(is_array($oText))
+		{
+			$oText = implode($sPost.$sInter.$sPre, $oText);
+		}
+		return $sPre.$oText.$sPost;
+	}
+	
+	private static function rSortTimeMatrix($asMatrix, $sTimeCol)
+	{
+		$asResult = array();
+		foreach($asMatrix as $iRowId=>$asLine) $asKeys[$iRowId] = strtotime($asLine[$sTimeCol]);
+		arsort($asKeys);
+		foreach($asKeys as $iRowId=>$iTimeStamp) $asResult[$iRowId] = $asMatrix[$iRowId];
+		return $asResult;
+	}
+}
+?>