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<?php |
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namespace Symbiote\AdvancedWorkflow\FormFields; |
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use ReflectionClass; |
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use SilverStripe\Control\Controller; |
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use SilverStripe\Control\RequestHandler; |
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use Symbiote\AdvancedWorkflow\DataObjects\WorkflowAction; |
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/** |
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* Handles requests for creating or editing actions. |
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* |
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* @package silverstripe-advancedworkflow |
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*/ |
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class WorkflowFieldActionController extends RequestHandler |
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{ |
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private static $url_handlers = array( |
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'new/$Class' => 'handleAdd', |
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'item/$ID' => 'handleItem' |
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); |
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private static $allowed_actions = array( |
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'handleAdd', |
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'handleItem' |
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); |
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protected $parent; |
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protected $name; |
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public function __construct($parent, $name) |
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{ |
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$this->parent = $parent; |
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$this->name = $name; |
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parent::__construct(); |
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} |
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public function handleAdd() |
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{ |
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$class = $this->unsanitiseClassName($this->request->param('Class')); |
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if (!class_exists($class) || !is_subclass_of($class, WorkflowAction::class)) { |
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$this->httpError(400); |
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} |
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$reflector = new ReflectionClass($class); |
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if ($reflector->isAbstract() || !singleton($class)->canCreate()) { |
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$this->httpError(400); |
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} |
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$record = new $class(); |
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$record->WorkflowDefID = $this->parent->Definition()->ID; |
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return new WorkflowFieldItemController( |
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$this, |
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Controller::join_links('new', $this->sanitiseClassName($class)), |
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$record |
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); |
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} |
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View Code Duplication |
public function handleItem() |
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{ |
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$id = $this->request->param('ID'); |
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$defn = $this->parent->Definition(); |
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$action = $defn->Actions()->byID($id); |
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if (!$action) { |
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$this->httpError(404); |
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} |
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if (!$action->canEdit()) { |
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$this->httpError(403); |
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} |
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return new WorkflowFieldItemController($this, "item/$id", $action); |
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} |
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public function RootField() |
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{ |
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return $this->parent; |
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} |
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public function Link($action = null) |
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{ |
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return Controller::join_links($this->parent->Link(), $this->name, $action); |
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} |
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/** |
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* Sanitise a model class' name for inclusion in a link |
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* |
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* @param string $class |
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* @return string |
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*/ |
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protected function sanitiseClassName($class) |
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{ |
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return str_replace('\\', '-', $class); |
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} |
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/** |
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* Unsanitise a model class' name from a URL param |
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* |
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* @param string $class |
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* @return string |
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*/ |
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protected function unsanitiseClassName($class) |
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{ |
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return str_replace('-', '\\', $class); |
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} |
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} |
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