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FIX allow allchanges to handle removed Page types

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If a there exists at some point in the history a class that no longer
exists, Versioned will create it as a `DataObject` as opposed to some form
of the `SiteTree` superclass. This would break the absolute link
funcitonality, so we should make the version at least an instance of
SiteTree so we can generate the link accurately (without fatal errors).
This commit is contained in:
Dylan Wagstaff 2018-02-13 12:11:27 +13:00
parent 29ef2a4920
commit 093af10c8a
3 changed files with 13 additions and 3 deletions
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2
src/Filters/ContentFilter.php
View File

@ -39,7 +39,7 @@ abstract class ContentFilter
/**
* Gets the cache to use
*
* @return Zend_Cache_Frontend
* @return CacheInterface
*/
protected function getCache()
{

12
src/VersionFeed.php
View File

@ -12,6 +12,7 @@ use SilverStripe\ORM\DataObject;
use SilverStripe\ORM\FieldType\DBField;
use SilverStripe\SiteConfig\SiteConfig;
use SilverStripe\View\Parsers\Diff;
use SilverStripe\CMS\Model\SiteTree;
class VersionFeed extends SiteTreeExtension
{
@ -114,7 +115,16 @@ class VersionFeed extends SiteTreeExtension
}
// Copy the link so it can be cached.
$version->GeneratedLink = $version->AbsoluteLink();
$oldPage = $version->getField('object');
if (!$oldPage instanceof SiteTree) {
// We only need enough info to generate the link...
$oldPage = SiteTree::create([
'ID' => $oldPage->ID,
'URLSegment' => $oldPage->URLSegment,
'ParentID' => $oldPage->ParentID
]);
}
$version->GeneratedLink = $oldPage->AbsoluteLink();
}
// Omit the versions that haven't been visibly changed (only takes the above fields into consideration).

2
src/VersionFeedController.php
View File

@ -77,7 +77,7 @@ class VersionFeedController extends Extension
// Cache the diffs to remove DOS possibility.
$target = $this->owner;
$key = implode('_', array('changes', $this->owner->ID, $this->owner->Version));
$key = implode('_', array('changes', $target->ID, $target->Version));
$entries = $this->filterContent($key, function () use ($target) {
return $target->getDiffList(null, Config::inst()->get(VersionFeed::class, 'changes_limit'));
});