Extension:FeedImport

What can this extension do?
Integrates an RSS or Atom feed into a Mediawiki page. It's based on Extension:GISWiki/RSS and additionally supports the use of Mediawiki templates to render the feed items.

Installation

 * Install magpie
 * copy feedimport.php into your extension directory.
 * edit the MAGPIE_DIR variable according in feedimport.php

Parameters

 * template: the MW template to use. The template should support the paramters title, description, dc_creator, date and link
 * nodate: don't display an item's date. default: off

Embedding the feed
http://newsrss.bbc.co.uk/rss/newsonline_uk_edition/world/rss.xml|template=Template:BBC

The Template

 * [ ]

Changes to LocalSettings.php
require_once("$IP/extensions/feedimport.php");

Code
Download from SVN or use the following code. SVN is guaranteed to be current. setHook( "rss", "renderRss" ); } function renderRss($input, $argv, $parser = null) { if (!$parser) $parser =& $GLOBALS['wgParser']; global $wgOutputEncoding; $DefaultEncoding = "ISO-8859-1"; $DefaultTemplate = "Blogentry"; $DisableCache = true; # $input = mysql_escape_string($input); if (!$input) return ""; #if -section is empty, return nothing #parse fields in rss-section $fields= explode("|",$input); $url= @$fields[0]; $args= array; for ($i=1; $i<sizeof($fields); $i++) { $f= $fields[$i]; if (strpos($f,"=")===False) $args[strtolower(trim($f))]= False; else { list($k,$v)= explode("=",$f,2); if (trim($v)==False) $args[strtolower(trim($k))] = False; else $args[strtolower(trim($k))]= trim($v); } }  #get charset from argument-array $charset = @$args["charset"]; if (!$charset) $charset= $DefaultEncoding;
 * 1) RSS-Feed MediaWiki extension
 * 2) original by mutante 25.03.2005
 * 3) extended by Duesentrieb 30.04.2005
 * 4) extended by Rdb78 07.07.2005
 * 5) extended by Mafs  10.07.2005, 24.07.2005
 * 6) extended by User:Arcy  07.09.2005
 * 7) Updated for MediaWiki 1.6 by User:piku 13.06.2006
 * 8) Update for Wikicode output, by User:cogdog 14.jul.2006
 * 9) Adding Date output, by User:Arcy 30. 07. 2006
 * 10) Included changes for Mediawiki 1.9 and added Template support by User:PhilFry 2007-08-03
 * 11) Requires:
 * 12)  * magpie rss parser 
 * 13)  * iconv , see also 
 * 14) Installation:
 * 15)  * put this file (rss.php) into the extension directory of your mediawiki installation
 * 16)  * add the following to the end of LocalSettings.php: include("extensions/rss.php");
 * 17)  * make sure magpie can be found by PHP.
 * 18) Usage:
 * 19)  Use one section between -tags for each feed. The rss section may contain parameters
 * 20)  separated by a pipe ("|"), just like links and templates. These parameters are supported:
 * 21)    * charset=...             The charset used by the feed. iconv is used to convert this.
 * 22)    * short                   Do not show the description text for each news item.
 * 23)    * max=x                   Shows x most recent headlines.
 * 24)    * highlight= term1 term2  The terms separated by a space are highlighted.
 * 25)    * filter= term1 term2     Show only rss items containing at least one of the terms.
 * 26)    * reverse                 display the rss items in reverse order.
 * 27)    * title=x                 display an alternative title instead of chanel name.
 * 28)    * title = none            dont display any title.
 * 29)    * date                    display the date and time stamp below the title.
 * 30) Example:
 * 31)    http://slashdot.org/slashdot.rss|charset=UTF-8|short|max=5
 * 1)    * title = none            dont display any title.
 * 2)    * date                    display the date and time stamp below the title.
 * 3) Example:
 * 4)    http://slashdot.org/slashdot.rss|charset=UTF-8|short|max=5
 * 1)    http://slashdot.org/slashdot.rss|charset=UTF-8|short|max=5
 * 1) define location of magpie )
 * 1) specify magpie cache directory, make sure it is writable (chmod 0666)
 * 1) specify output format for date using PHP date formats
 * 1) access magpie library
 * 1) install extension hook
 * 1) extension hook callback function
 * 1) parser hook callback function

$template = @$args["template"]; if (!$template) $template= $DefaultTemplate; #get max number of headlines from argument-array $maxheads = @$args["max"]; $headcnt = 0; #get short-flag from argument-array #if short is set, no description text is printed $reverse = isset($args["short"]); #get reverse-flag from argument-array $reverse = isset($args["reverse"]); #get date-flag from argument-array $nodate = isset($args["nodate"]);

$dc_creator = isset($args["dc_creator"]); #get highlight terms from argument-array $rssHighlight= @$args["highlight"]; $rssHighlight= str_replace(" "," ", $rssHighlight); $rssHighlight= explode(" ", trim($rssHighlight)); #get filter terms from argument-array $rssFilter= @$args["filter"]; $rssFilter= str_replace(" "," ", $rssFilter); $rssFilter= explode(" ", trim($rssFilter)); #fetch rss. may be cached locally. #Refer to the documentation of magpie for details. $rss = @fetch_rss($url); #check for errors. if ($rss->ERROR) { #return "Feed error"; #localize...     return " Failed to load RSS feed from $url: ".$rss->ERROR." "; #localize... } if (!is_array($rss->items)) { # return "Feed error"; #localize...    return " Failed to load RSS feed from $url "; #localize... } #Build title line #get title from argument-array $rssTitle= @$args["title"]; $rssTitle= trim($rssTitle); if ($rssTitle !=='none') { if ($rssTitle=='') { $title= iconv($charset,$wgOutputEncoding,$rss->channel['title']); if ($rss->channel['link']) $title= "[".$rss->channel['link']." $title]"; $output = "=== $title ===\n"; }   else {     $title= "[".$rss->channel['link']." $rssTitle]"; $output="=== $title ===\n"; } } else { $output=""; #placeholder for output to insert when no title is shown, e.g. "\n\n\n" } if ($reverse) $rss->items = array_reverse($rss->items); $description = False; foreach ($rss->items as $item) { if ($item['description']) {$description = True; break;} } #Bild items $output.=""; foreach ($rss->items as $item) { $d_text = true; $d_title = true; $href = trim(iconv($charset,$wgOutputEncoding,$item['link'])); $title = trim(iconv($charset,$wgOutputEncoding,$item['title'])); # More Yahoo clean-up, their feeds have line beaks in titles $title = ereg_replace("(\r\n|\n|\r)", " ", $title); $d_title = wfRssFilter ($title, $rssFilter); $title= wfRssHighlight($title, $rssHighlight); #bild description text if desired if ($item["description"]) { $text= trim(iconv($charset,$wgOutputEncoding,$item['description'])); #avoid pre-tags $text = ereg_replace("(\r\n|\n|\r|\t)", " ", $text); // weird Yahoo content encoding $text= str_replace("&#60;","<", $text); # remove HTML; coment this line out if you really want it rendered $text=strip_tags($text); $d_text = wfRssFilter ($text, $rssFilter); $text= wfRssHighlight($text, $rssHighlight); $display = $d_text or $d_title; } else { $text = ""; $display = $d_title; }            # add date of item if enabled and it exists in the feed if (!$nodate) { $dateinfo = ""; if ($item['date_timestamp']) { $dateinfo = date(DATE_FORMAT, trim(iconv($charset,$wgOutputEncoding,$item['date_timestamp']))); } else if ($item['dc']['date']) { $dateinfo = date(DATE_FORMAT, trim(iconv($charset,$wgOutputEncoding,strtotime($item['dc']['date'])))); }      	$datedisp = " ($dateinfo) "; } else { $datedisp = ''; }     if ($dc_creator and $item['dc']['creator']) { $creator = $item['dc']['creator']; } else { $creator = ""; }     if ($display) { $output.="\n"; }   #Cut off output when maxheads is reached: if (++$headcnt == $maxheads) break; # $output.=""; } if ($DisableCache) { global $wgVersion;

$dbr =& wfGetDB( DB_SLAVE );

# Do not cache this wiki page. # for details see http://public.kitware.com/Wiki/User:Barre/MediaWiki/Extensions global $wgTitle, $wgDBprefix; $ts = mktime; $now = gmdate("YmdHis", $ts +120); $ns = $wgTitle->getNamespace; $ti = $dbr->addQuotes($wgTitle->getDBkey);

$version = preg_replace("/^([1-9]).([1-9]).*/", "\\1\\2", $wgVersion); $sql = "UPDATE $wgDBprefix". "page SET page_touched='$now' WHERE page_namespace=$ns AND page_title=$ti";

$dbr->query($sql, __METHOD__); }  $out = $parser->parse ($output, $parser->mTitle,$parser->mOptions, true, false); return $out->getText; } function wfRssFilter ($text, $rssFilter) { $display = true; if (is_array($rssFilter)) { foreach($rssFilter as $term) { if ($term) { $display = false; if (preg_match("|$term|i", $text, $a)) {  $display = true; return $display; } }   if ($display) break; } }  return $display; } function wfRssHighlight($text, $rssHighlight) { $i=0; $starttag = "v8x5u3t3u8h"; $endtag  = "q8n4f6n4n4x"; $color[]="coral"; $color[]="greenyellow"; $color[]="lightskyblue"; $color[]="gold"; $color[]="violet"; $count_color = count($color); if (is_array($rssHighlight)) { foreach($rssHighlight as $term) { if ($term) { $text = preg_replace("|\b(\w*?".$term."\w*?)\b|i", "$starttag"."_".$i."\\1$endtag", $text); $i++; if ($i == $count_color) $i=0; }     }    }  # to avoid trouble should someone wants to highlight the terms "span", "style", ... for ($i=0; $i<5; $i++) { $text = preg_replace("|$starttag"."_".$i."|", "", $text); $text = preg_replace("|$endtag|", " ", $text); } return $text; } ?>