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<?php
/**
* Piwik - Open source web analytics
*
* @link http://piwik.org
* @license http://www.gnu.org/licenses/gpl-3.0.html Gpl v3 or later
* @version $Id: Html.php 180 2008-01-17 16:32:37Z matt $
*
* @package Piwik_DataTable
*/
/**
* RSS Feed.
* The RSS renderer can be used only on Piwik_DataTable_Array that are arrays of Piwik_DataTable.
* A RSS feed contains one dataTable per element in the Piwik_DataTable_Array.
*
* @package Piwik_DataTable
* @subpackage Piwik_DataTable_Renderer
*/
class Piwik_DataTable_Renderer_Rss extends Piwik_DataTable_Renderer
{
function __construct($table = null)
{
parent::__construct($table);
}
function render()
{
return $this->renderTable($this->table);
}
protected function renderTable($table)
{
if(!($table instanceof Piwik_DataTable_Array))
{
throw new Exception("RSS Feed only used on DataTable_Array");
}
$idSite = Piwik_Common::getRequestVar('idSite', 1);
$period = Piwik_Common::getRequestVar('period');
$currentUrl = Piwik_Url::getCurrentUrlWithoutFileName();
$piwikUrl = $currentUrl . "?module=Home&action=index&idSite=" . $idSite . "&period=" . $period;
$out = "";
$moreRecentFirst = array_reverse($table->getArray(), true);
foreach($moreRecentFirst as $date => $subtable )
{
$timestamp = $table->metaData[$date]['timestamp'];
$site = $table->metaData[$date]['site'];
$pudDate = date('r', $timestamp);
$dateUrl = date('Y-m-d', $timestamp);
$thisPiwikUrl = htmlentities($piwikUrl . "&date=$dateUrl");
$siteName = $site->getName();
$title = $siteName . " on ". $date;
$out .= "\t<item>
<pubDate>$pudDate</pubDate>
<guid>$thisPiwikUrl</guid>
<link>$thisPiwikUrl</link>
<title>$title</title>
<author>http://piwik.org</author>
<description>";
$out .= htmlspecialchars( $this->renderDataTable($subtable) );
$out .= "</description>\n\t</item>\n";
}
$header = $this->getRssHeader();
$footer = $this->getRssFooter();
return $this->output( $header . $out . $footer);
}
protected function output($str)
{
@header("Content-Type: text/xml;charset=utf-8");
return $str;
}
protected function getRssFooter()
{
return "\t</channel>\n</rss>";
}
protected function getRssHeader()
{
$generationDate = date('r');
$header = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>
<rss version=\"2.0\">
<channel>
<title>piwik statistics - RSS</title>
<link>http://piwik.org</link>
<description>Piwik RSS feed</description>
<pubDate>$generationDate</pubDate>
<generator>piwik</generator>
<language>en</language>
<lastBuildDate>$generationDate</lastBuildDate>";
return $header;
}
protected function renderDataTable($table)
{
if($table->getRowsCount() == 0)
{
return "<b><i>Empty table</i></b> <br>\n";
}
if($table instanceof Piwik_DataTable_Simple
&& $table->getRowsCount() ==1)
{
$table->deleteColumn('label');
}
$i = 1;
$tableStructure = array();
/*
* table = array
* ROW1 = col1 | col2 | col3 | details | idSubTable
* ROW2 = col1 | col2 (no value but appears) | col3 | details | idSubTable
* subtable here
*/
$allColumns = array();
// echo $table;
foreach($table->getRows() as $row)
{
foreach($row->getColumns() as $column => $value)
{
$allColumns[$column] = true;
$tableStructure[$i][$column] = $value;
}
$i++;
}
/*
// to keep the same columns order as the columns labelled with strings
ksort($allColumns);
//replace the label first
if(isset($allColumns['label']))
{
$allColumns = array_merge(array('label'=>true),$allColumns);
}
*/
$html = "\n";
$html .= "<table border=1 width=70%>";
$html .= "\n<tr>";
foreach($allColumns as $name => $toDisplay)
{
if($toDisplay !== false)
{
$html .= "\n\t<td><b>$name</b></td>";
}
}
$html .= "\n</tr>";
$colspan = count($allColumns);
foreach($tableStructure as $row)
{
$html .= "\n\n<tr>";
foreach($allColumns as $name => $toDisplay)
{
if($toDisplay !== false)
{
$value = "-";
if(isset($row[$name]))
{
$value = urldecode($row[$name]);
}
$html .= "\n\t<td>$value</td>";
}
}
$html .= "</tr>";
}
$html .= "\n\n</table>";
return $html;
}
}
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