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<?php |
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namespace rtens\domin\delivery\web\resources; |
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use rtens\domin\Action; |
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use rtens\domin\delivery\ParameterReader; |
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use rtens\domin\delivery\web\ActionForm; |
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use rtens\domin\delivery\web\ActionResult; |
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use rtens\domin\delivery\web\BreadCrumb; |
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use rtens\domin\delivery\web\BreadCrumbsTrail; |
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use rtens\domin\delivery\web\HeadElements; |
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use rtens\domin\delivery\web\WebApplication; |
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use rtens\domin\Executor; |
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class ExecutionResource { |
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const TOKEN_ARG = '__token'; |
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/** @var WebApplication */ |
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private $app; |
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/** @var BreadCrumbsTrail */ |
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private $crumbs; |
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/** @var ParameterReader */ |
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private $reader; |
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public function __construct(WebApplication $app, ParameterReader $reader, BreadCrumbsTrail $crumbs) { |
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$this->app = $app; |
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$this->crumbs = $crumbs; |
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$this->reader = $reader; |
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} |
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private static function baseHeadElements() { |
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return [ |
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HeadElements::jquery(), |
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HeadElements::jqueryUi(), // not actually needed but it needs to be included before bootstrap.js too avoid conflicts |
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HeadElements::bootstrap(), |
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HeadElements::bootstrapJs(), |
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]; |
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} |
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/** |
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* @param null|string $actionId |
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* @param null|string $token |
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* @return string |
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* @throws \Exception |
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*/ |
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public function handleGet($actionId = null, $token = null) { |
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return $this->doExecute($actionId, $this->checkToken($actionId, $token)); |
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} |
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/** |
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* @param null|string $actionId |
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* @param null|string $token |
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* @return string |
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* @throws \Exception |
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*/ |
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public function handlePost($actionId = null, $token = null) { |
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return $this->doExecute($actionId, $this->checkToken($actionId, $token, true)); |
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} |
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private function doExecute($actionId = null, $mayBeModifying = false) { |
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if (!$actionId) { |
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$actionId = $this->app->defaultAction; |
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} |
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if (!$this->app->access->isPermitted($actionId)) { |
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throw new \Exception('Permission denied.'); |
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} |
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$action = $this->getAction($actionId); |
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$headElements = self::baseHeadElements(); |
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$form = new ActionForm($this->reader, $this->app->fields, $action, $actionId); |
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$headElements = array_merge($headElements, $form->getHeadElements()); |
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if ($mayBeModifying || !$action->isModifying()) { |
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$executor = new Executor($this->app->actions, $this->app->fields, $this->reader, $this->app->access); |
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$result = new ActionResult($executor, $this->app->renderers, $action, $actionId, $this->crumbs); |
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$headElements = array_merge($headElements, $result->getHeadElements()); |
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$confirm = false; |
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} else { |
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$confirm = true; |
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} |
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return (new Template(__DIR__ . '/ExecutionTemplate.html.php')) |
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->render([ |
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'name' => $this->app->name, |
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'caption' => $action->caption(), |
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'menu' => $this->app->menu->render(), |
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'breadcrumbs' => $this->assembleBreadCrumbs(), |
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'action' => $form->getModel(), |
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'result' => isset($result) ? $result->getModel() : null, |
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'headElements' => HeadElements::filter($headElements), |
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'executed' => isset($result) && $result->wasExecuted(), |
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'confirmationRequired' => $confirm, |
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'token' => $action->isModifying() && $this->app->token ? [ |
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'name' => self::TOKEN_ARG, |
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'value' => $this->app->token->generate($actionId) |
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]: null |
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]); |
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} |
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/** |
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* @param $actionId |
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* @return Action |
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* @throws \Exception |
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*/ |
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private function getAction($actionId) { |
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try { |
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return $this->app->actions->getAction($actionId); |
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} catch (\Exception $e) { |
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throw new \Exception("Action [$actionId] is not registered.", 0, $e); |
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} |
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} |
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private function assembleBreadCrumbs() { |
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return array_map(function (BreadCrumb $crumb) { |
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return [ |
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'target' => $crumb->getTarget(), |
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'caption' => $crumb->getCaption() |
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]; |
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}, $this->crumbs->getCrumbs()); |
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} |
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private function checkToken($actionId, $token, $default = false) { |
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if (!$this->app->token) { |
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return $default; |
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} |
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return $token && $this->app->token->isValid($token, $actionId); |
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} |
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} |
rtens /
domin
