testing

PhabricatorPolicyExplainController.php
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			<?php

			final class PhabricatorPolicyExplainController
			extends PhabricatorPolicyController {

			private $phid;
			private $capability;

			public function shouldAllowPublic() {
			return true;
			}

			public function willProcessRequest(array $data) {
			$this->phid = $data['phid'];
			$this->capability = $data['capability'];
			}

			public function processRequest() {
			$request = $this->getRequest();
			$viewer = $request->getUser();

			$phid = $this->phid;
			$capability = $this->capability;

			$object = id(new PhabricatorObjectQuery())
			->setViewer($viewer)
			->withPHIDs(array($phid))
			->executeOne();
			if (!$object) {
			return new Aphront404Response();
			}

			$policies = PhabricatorPolicyQuery::loadPolicies(
			$viewer,
			$object);

			$policy = idx($policies, $capability);
			if (!$policy) {
			return new Aphront404Response();
			}

			$handle = id(new PhabricatorHandleQuery())
			->setViewer($viewer)
			->withPHIDs(array($phid))
			->executeOne();
			$object_uri = $handle->getURI();

			$explanation = $policy->getExplanation($capability);
			$auto_info = (array)$object->describeAutomaticCapability($capability);

			foreach ($auto_info as $key => $info) {
			$auto_info[$key] = phutil_tag('li', array(), $info);
			}
			if ($auto_info) {
			$auto_info = phutil_tag('ul', array(), $auto_info);
			}

			$content = array(
			$explanation,
			$auto_info,
			);

			$dialog = id(new AphrontDialogView())
			->setUser($viewer)
			->setClass('aphront-access-dialog')
			->setTitle(pht('Policy Details'))
			->appendChild($content)
			->addCancelButton($object_uri, pht('Done'));

			return id(new AphrontDialogResponse())->setDialog($dialog);
			}

			}