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<?php |
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namespace rtens\domin\delivery\web; |
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use rtens\domin\Action; |
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use rtens\domin\delivery\ParameterReader; |
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use watoki\collections\Map; |
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use watoki\curir\cookie\Cookie; |
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use watoki\curir\cookie\CookieStore; |
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use watoki\curir\delivery\WebRequest; |
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class BreadCrumbs { |
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const COOKIE_KEY = 'domin_trail'; |
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/** @var WebRequest */ |
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private $request; |
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/** @var CookieStore */ |
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private $cookies; |
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/** |
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* @param CookieStore $cookies |
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* @param WebRequest $request |
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*/ |
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public function __construct(CookieStore $cookies, WebRequest $request) { |
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$this->request = $request; |
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$this->cookies = $cookies; |
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} |
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public function readCrumbs() { |
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if ($this->cookies->hasKey(self::COOKIE_KEY)) { |
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return $this->cookies->read(self::COOKIE_KEY)->payload; |
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} |
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return []; |
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} |
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public function getLastCrumb() { |
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$crumbs = $this->readCrumbs(); |
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if (!$crumbs) { |
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return null; |
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} |
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return end($crumbs)['target']; |
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} |
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public function updateCrumbs(Action $action, $actionId) { |
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$reader = new RequestParameterReader($this->request); |
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$crumbs = $this->readCrumbs(); |
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$current = [ |
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'target' => (string)$this->request->getContext() |
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->appended($actionId) |
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->withParameters(new Map($this->readRawParameters($action, $reader))), |
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'caption' => $action->caption() |
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]; |
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$newCrumbs = []; |
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foreach ($crumbs as $crumb) { |
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if ($crumb == $current) { |
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break; |
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} |
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$newCrumbs[] = $crumb; |
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} |
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$newCrumbs[] = $current; |
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$this->saveCrumbs($newCrumbs); |
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return $newCrumbs; |
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} |
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public function reset() { |
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$this->cookies->create(new Cookie([]), self::COOKIE_KEY); |
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} |
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private function readRawParameters(Action $action, ParameterReader $reader) { |
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$values = []; |
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foreach ($action->parameters() as $parameter) { |
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if ($reader->has($parameter)) { |
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$values[$parameter->getName()] = $reader->read($parameter); |
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} |
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} |
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return $values; |
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} |
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private function saveCrumbs($crumbs) { |
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$this->cookies->create(new Cookie($crumbs), self::COOKIE_KEY); |
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} |
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} |
rtens /
domin
