silverstripe-versionfeed/code/VersionFeed_Controller.php

68 lines
2.2 KiB
PHP

<?php
class VersionFeed_Controller extends Extension {
static $allowed_actions = array(
'changes',
'allchanges'
);
function onAfterInit() {
// RSS feed for per-page changes.
if ($this->owner->PublicHistory) {
RSSFeed::linkToFeed($this->owner->Link() . 'changes',
sprintf(
_t('RSSHistory.SINGLEPAGEFEEDTITLE', 'Updates to %s page'),
$this->owner->Title
)
);
}
$this->linkToAllSiteRSSFeed();
return $this;
}
/**
* Get page-specific changes in a RSS feed.
*/
function changes() {
if(!$this->owner->PublicHistory) throw new SS_HTTPResponse_Exception('Page history not viewable', 404);;
// Generate the output.
$title = sprintf(_t('RSSHistory.SINGLEPAGEFEEDTITLE', 'Updates to %s page'), $this->owner->Title);
$rss = new RSSFeed($this->owner->getDiffedChanges(), $this->owner->request->getURL(), $title, '', 'Title', '', null);
$rss->setTemplate('Page_changes_rss');
return $rss->outputToBrowser();
}
/**
* Get all changes from the site in a RSS feed.
*/
function allchanges() {
// Fetch the latest changes on the entire site.
$latestChanges = DB::query('SELECT * FROM "SiteTree_versions" WHERE "WasPublished"=\'1\' AND "CanViewType" IN (\'Anyone\', \'Inherit\') AND "ShowInSearch"=1 AND ("PublicHistory" IS NULL OR "PublicHistory" = \'1\') ORDER BY "LastEdited" DESC LIMIT 20');
$changeList = new ArrayList();
foreach ($latestChanges as $record) {
// Get the diff to the previous version.
$version = new Versioned_Version($record);
$changes = $version->getDiffedChanges($version->Version, false);
if ($changes && $changes->Count()) $changeList->push($changes->First());
}
// Produce output
$rss = new RSSFeed($changeList, $this->owner->request->getURL(), $this->linkToAllSitesRSSFeedTitle(), '', 'Title', '', null);
$rss->setTemplate('Page_allchanges_rss');
return $rss->outputToBrowser();
}
function linkToAllSiteRSSFeed() {
// RSS feed to all-site changes.
RSSFeed::linkToFeed($this->owner->getSiteRSSLink(), $this->linkToAllSitesRSSFeedTitle());
}
function linkToAllSitesRSSFeedTitle() {
return sprintf(_t('RSSHistory.SITEFEEDTITLE', 'Updates to %s'), SiteConfig::current_site_config()->Title);
}
}