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<?php |
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use SilverStripe\GraphQL\Controller; |
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use SilverStripe\ORM\ArrayList; |
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use SilverStripe\ORM\FieldType\DBVarchar; |
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/** |
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* A Page type that lets you pull content through from any arbitrary |
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* external content source. At some point soon, this might change to behave |
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* more like a virtual page... Might be necessary in the future |
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* |
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* |
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* @author Marcus Nyeholt <[email protected]> |
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* @license http://silverstripe.org/bsd-license/ |
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*/ |
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class ExternalContentPage extends Page |
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{ |
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private static $db = array( |
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'ExternalContentRoot' => DBVarchar::class, |
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); |
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private static $table_name = 'ExternalContentPage'; |
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private static $has_one = array( |
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// 'ExternalContent' => 'ExternalContentSource' |
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); |
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public function getCMSFields() |
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{ |
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$fields = parent::getCMSFields(); |
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$fields->removeFieldFromTab('Root.Main', 'Content'); |
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$fields->addFieldToTab('Root.Main', ExternalTreeDropdownField::create('ExternalContentRoot', _t('ExternalContentPage.CONTENT_SOURCE', 'External Content Source'), 'ExternalContentSource')); |
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return $fields; |
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} |
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/** |
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* When linking to this external content page, return a URL that'll let |
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* you view the external content item directly |
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* |
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* (non-PHPdoc) |
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* @see sapphire/core/model/SiteTree#Link($action) |
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*/ |
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public function RelativeLink($action = null) |
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{ |
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$remoteObject = $this->ContentItem(); |
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if (!is_string($action)) { |
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$action = null; |
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} |
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if ($remoteObject) { |
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return $this->LinkFor($remoteObject, $action ? $action : 'view'); |
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} |
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return parent::RelativeLink($action); |
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} |
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public function LinkFor($remoteObject, $action = null) |
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{ |
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$link = parent::RelativeLink(); |
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$id = $remoteObject->ID; |
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// otherwise, we're after $this link (view) plus id |
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return Controller::join_links($link, $action, $id); |
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} |
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/** |
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* Cache the requested item so that repeated calls |
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* to this method doesn't make a bunch of extra requests |
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* |
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* @var ExternalContentItem |
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*/ |
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private $requestedItem; |
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public function setRequestedItem($item) |
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{ |
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$this->requestedItem = $item; |
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} |
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/** |
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* Get the external content item |
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* |
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* @return DataObject |
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*/ |
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public function ContentItem($what='k') |
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{ |
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if ($this->requestedItem) { |
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return $this->requestedItem; |
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} |
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if (!$this->ExternalContentRoot) { |
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return null; |
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} |
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// See if an item was requested in the url directly |
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$id = isset($_REQUEST['item']) ? $_REQUEST['item'] : null; |
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if (!$id) { |
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$id = $this->ExternalContentRoot; |
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} |
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$remoteObject = ExternalContent::getDataObjectFor($id); |
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if ($remoteObject) { |
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$this->requestedItem = $remoteObject; |
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return $this->requestedItem; |
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} |
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return null; |
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} |
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/** |
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* Return the children of this external content item as my children |
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* |
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* @return ArrayList |
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*/ |
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public function Children() |
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{ |
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$item = $this->ContentItem(); |
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return $item ? $item->stageChildren() : ArrayList::create(); |
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} |
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} |
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use SilverStripe\View\SSViewer; |
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/** |
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* Contains methods for interacting with external content on the frontend |
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* |
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* @author Marcus Nyeholt <[email protected]> |
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* |
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*/ |
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class ExternalContentPage_Controller extends PageController |
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{ |
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public const URL_STUB = 'extcon'; |
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private static $allowed_actions = array( |
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'view', |
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'download', |
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); |
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public function init() |
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{ |
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parent::init(); |
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} |
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/** |
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* Display an item. |
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* |
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* @param HTTPRequest $request |
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* @return string |
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*/ |
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public function view($request) |
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{ |
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$object = null; |
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if ($id = $request->param('ID')) { |
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$object = ExternalContent::getDataObjectFor($id); |
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if ($object instanceof ExternalContentSource) { |
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$object = $object->getRoot(); |
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} |
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if ($object && ($object instanceof ExternalContentItem || $object instanceof ExternalContentSource)) { |
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$this->data()->setRequestedItem($object); |
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$type = $object instanceof ExternalContentItem ? $object->getType() : 'source'; |
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$template = 'ExternalContent_' . get_class($object) . '_' . $type; |
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$viewer = SSViewer::create(array($template, 'ExternalContent_' . get_class($object), 'ExternalContent', 'Page')); |
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$action = 'view'; |
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$this->extend('updateViewer', $action, $viewer); |
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return $this->customise($object)->renderWith($viewer); |
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} |
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} |
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echo "Template not found for " . ($object ? get_class($object) . ' #' . $object->ID : ''); |
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} |
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/** |
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* Called to download this content item and stream it directly to the browser |
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* |
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* @param HTTP_Request $request |
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*/ |
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public function download($request) |
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{ |
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if ($request->param('ID')) { |
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$object = ExternalContent::getDataObjectFor($request->param('ID')); |
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if ($object && $object instanceof ExternalContentItem) { |
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$object->streamContent(); |
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} |
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} |
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} |
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} |
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phptek /
silverstripe-exodus
