www.gusucode.com > Piwik 网站流量统计系统 v2.9.1PHP源码程序 > Piwik 网站流量统计系统 v2.9.1/How to install Piwik.html/piwik/core/DataTable/Renderer/Rss.php
<?php /** * Piwik - free/libre analytics platform * * @link http://piwik.org * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later * */ namespace Piwik\DataTable\Renderer; use Exception; use Piwik\Archive; use Piwik\Common; use Piwik\DataTable\Renderer; use Piwik\DataTable; use Piwik\Date; use Piwik\SettingsPiwik; /** * RSS Feed. * The RSS renderer can be used only on Set that are arrays of DataTable. * A RSS feed contains one dataTable per element in the Set. * */ class Rss extends Renderer { /** * Computes the dataTable output and returns the string/binary * * @return string */ function render() { return $this->renderTable($this->table); } /** * Computes the output for the given data table * * @param DataTable $table * @return string * @throws Exception */ protected function renderTable($table) { if (!($table instanceof DataTable\Map) || $table->getKeyName() != 'date' ) { throw new Exception("RSS feeds can be generated for one specific website &idSite=X." . "\nPlease specify only one idSite or consider using &format=XML instead."); } $idSite = Common::getRequestVar('idSite', 1, 'int'); $period = Common::getRequestVar('period'); $piwikUrl = SettingsPiwik::getPiwikUrl() . "?module=CoreHome&action=index&idSite=" . $idSite . "&period=" . $period; $out = ""; $moreRecentFirst = array_reverse($table->getDataTables(), true); foreach ($moreRecentFirst as $date => $subtable) { /** @var DataTable $subtable */ $timestamp = $subtable->getMetadata(Archive\DataTableFactory::TABLE_METADATA_PERIOD_INDEX)->getDateStart()->getTimestamp(); $site = $subtable->getMetadata(Archive\DataTableFactory::TABLE_METADATA_SITE_INDEX); $pudDate = date('r', $timestamp); $dateInSiteTimezone = Date::factory($timestamp)->setTimezone($site->getTimezone())->toString('Y-m-d'); $thisPiwikUrl = Common::sanitizeInputValue($piwikUrl . "&date=$dateInSiteTimezone"); $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>"; $out .= Common::sanitizeInputValue($this->renderDataTable($subtable)); $out .= "</description>\n\t</item>\n"; } $header = $this->getRssHeader(); $footer = $this->getRssFooter(); return $header . $out . $footer; } /** * Returns the RSS file footer * * @return string */ protected function getRssFooter() { return "\t</channel>\n</rss>"; } /** * Returns the RSS file header * * @return string */ 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; } /** * @param DataTable $table * * @return string */ protected function renderDataTable($table) { if ($table->getRowsCount() == 0) { return "<strong><em>Empty table</em></strong><br />\n"; } $i = 1; $tableStructure = array(); /* * table = array * ROW1 = col1 | col2 | col3 | metadata | idSubTable * ROW2 = col1 | col2 (no value but appears) | col3 | metadata | idSubTable * subtable here */ $allColumns = array(); foreach ($table->getRows() as $row) { foreach ($row->getColumns() as $column => $value) { // for example, goals data is array: not supported in export RSS // in the future we shall reuse ViewDataTable for html exports in RSS anyway if (is_array($value)) { continue; } $allColumns[$column] = true; $tableStructure[$i][$column] = $value; } $i++; } $html = "\n"; $html .= "<table border=1 width=70%>"; $html .= "\n<tr>"; foreach ($allColumns as $name => $toDisplay) { if ($toDisplay !== false) { if ($this->translateColumnNames) { $name = $this->translateColumnName($name); } $html .= "\n\t<td><strong>$name</strong></td>"; } } $html .= "\n</tr>"; foreach ($tableStructure as $row) { $html .= "\n\n<tr>"; foreach ($allColumns as $columnName => $toDisplay) { if ($toDisplay !== false) { $value = "-"; if (isset($row[$columnName])) { $value = urldecode($row[$columnName]); } $html .= "\n\t<td>$value</td>"; } } $html .= "</tr>"; } $html .= "\n\n</table>"; return $html; } }