170      * @param ServerRequestInterface $request
174     public function handle(ServerRequestInterface $request): ResponseInterface  argument
176         $tree        = Validator::attributes($request)->tree();
177         $user        = Validator::attributes($request)->user();
178 …$generations = Validator::attributes($request)->isBetween(self::MINIMUM_GENERATIONS, self::MAXIMUM…
179         $xref        = Validator::attributes($request)->isXref()->string('xref');
182         if ($request->getMethod() === RequestMethodInterface::METHOD_POST) {
185                 'xref'        => Validator::parsedBody($request)->isXref()->string('xref'),
186 …'generations' => Validator::parsedBody($request)->isBetween(self::MINIMUM_GENERATIONS, self::MAXIM…
196             'data'           => $this->getMapData($request),
213      * @param ServerRequestInterface $request
217     protected function getMapData(ServerRequestInterface $request): array  argument
219         $facts = $this->getPedigreeMapFacts($request, $this->chart_service);
289      * @param ServerRequestInterface $request
294 …protected function getPedigreeMapFacts(ServerRequestInterface $request, ChartService $chart_servic…  argument
296         $tree        = Validator::attributes($request)->tree();
297 …$generations = Validator::attributes($request)->isBetween(self::MINIMUM_GENERATIONS, self::MAXIMUM…
298         $xref        = Validator::attributes($request)->isXref()->string('xref');