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<?php |
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namespace SilverStripe\VersionedAdmin\Controllers; |
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use InvalidArgumentException; |
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use SilverStripe\Admin\LeftAndMain; |
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use SilverStripe\Admin\LeftAndMainFormRequestHandler; |
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use SilverStripe\Control\HTTPRequest; |
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use SilverStripe\Control\HTTPResponse; |
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use SilverStripe\Core\Injector\Injector; |
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use SilverStripe\Forms\FormFactory; |
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use SilverStripe\Versioned\Versioned; |
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use SilverStripe\VersionedAdmin\Forms\DataObjectVersionFormFactory; |
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class HistoryViewerController extends LeftAndMain |
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{ |
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private static $url_segment = 'historyviewer'; |
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private static $url_rule = '/$Action'; |
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private static $url_priority = 10; |
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private static $required_permission_codes = 'CMS_ACCESS_CMSMain'; |
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private static $allowed_actions = [ |
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'versionForm', |
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'schema', |
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]; |
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public function getClientConfig() |
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{ |
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$clientConfig = parent::getClientConfig(); |
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$clientConfig['form']['versionForm'] = [ |
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'schemaUrl' => $this->owner->Link('schema/versionForm') |
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]; |
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return $clientConfig; |
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} |
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/** |
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* Gets a JSON schema representing the current version detail form. |
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* |
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* WARNING: Experimental API. |
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* |
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* @param HTTPRequest $request |
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* @return HTTPResponse |
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*/ |
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public function schema($request) |
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{ |
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$formName = $request->param('FormName'); |
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if ($formName !== 'versionForm') { |
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return parent::schema($request); |
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} |
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// Get schema for history form |
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// @todo Eventually all form scaffolding will be based on context rather than record ID |
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// See https://github.com/silverstripe/silverstripe-framework/issues/6362 |
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$form = $this->getVersionForm([ |
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'RecordClass' => $request->getVar('RecordClass'), |
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'RecordID' => $request->getVar('RecordID'), |
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'RecordVersion' => $request->getVar('RecordVersion'), |
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]); |
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// Respond with this schema |
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$response = $this->getResponse(); |
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$response->addHeader('Content-Type', 'application/json'); |
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$schemaID = $this->getRequest()->getURL(); |
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return $this->getSchemaResponse($schemaID, $form); |
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} |
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public function getVersionForm(array $context) |
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{ |
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// Check context |
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if (!isset($context['RecordClass'], $context['RecordID'], $context['RecordVersion'])) { |
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throw new InvalidArgumentException('Missing RecordID / RecordVersion / RecordClass for this form'); |
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} |
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$recordClass = $context['RecordClass']; |
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$recordId = $context['RecordID']; |
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$recordVersion = $context['RecordVersion']; |
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if (!$recordClass || !$recordId || !$recordVersion) { |
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$this->jsonError(404); |
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return null; |
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} |
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// Load record and perform a canView check |
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$record = Versioned::get_version($recordClass, $recordId, $recordVersion); |
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if (!$record) { |
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$this->jsonError(404); |
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return null; |
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} |
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if (!$record->canView()) { |
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$this->jsonError(403, _t( |
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__CLASS__.'.ErrorItemViewPermissionDenied', |
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"You don't have the necessary permissions to view {ObjectTitle}", |
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['ObjectTitle' => $record->i18n_singular_name()] |
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)); |
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return null; |
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} |
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$effectiveContext = array_merge($context, ['Record' => $record]); |
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/** @var FormFactory $scaffolder */ |
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$scaffolder = Injector::inst()->get(DataObjectVersionFormFactory::class); |
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$form = $scaffolder->getForm($this, 'versionForm', $effectiveContext); |
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// Set form handler with class name, ID and VersionID |
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$form->setRequestHandler( |
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LeftAndMainFormRequestHandler::create($form, [$recordClass, $recordId, $recordVersion]) |
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); |
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return $form; |
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} |
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public function versionForm(HTTPRequest $request = null) |
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{ |
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if (!$request) { |
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$this->jsonError(400); |
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return null; |
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} |
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$recordClass = $request->getVar('RecordClass'); |
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$recordId = $request->getVar('RecordID'); |
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$recordVersion = $request->getVar('RecordVersion'); |
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if (!$recordClass || !$recordId || !$recordVersion) { |
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$this->jsonError(400); |
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return null; |
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} |
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return $this->getVersionForm([ |
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'RecordClass' => $recordClass, |
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'RecordID' => $recordId, |
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'RecordVersion' => $recordVersion, |
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]); |
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} |
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} |
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silverstripe /
silverstripe-versioned-admin
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