Passed
Push — master ( 3001a2...15958f )
by Greg
06:02
created

LoadRouteParameters::__construct()   A

Complexity

Conditions 1
Paths 1

Size

Total Lines 3
Code Lines 1

Duplication

Lines 0
Ratio 0 %

Importance

Changes 1
Bugs 0 Features 0
Metric Value
cc 1
eloc 1
nc 1
nop 1
dl 0
loc 3
rs 10
c 1
b 0
f 0
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<?php
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/**
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 * webtrees: online genealogy
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 * Copyright (C) 2019 webtrees development team
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 * This program is free software: you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License as published by
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 * the Free Software Foundation, either version 3 of the License, or
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 * (at your option) any later version.
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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 * GNU General Public License for more details.
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 * You should have received a copy of the GNU General Public License
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 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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 */
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declare(strict_types=1);
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namespace Fisharebest\Webtrees\Http\Middleware;
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use Aura\Router\Route;
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use Fig\Http\Message\RequestMethodInterface;
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use Fisharebest\Webtrees\Auth;
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use Fisharebest\Webtrees\Exceptions\HttpNotFoundException;
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use Fisharebest\Webtrees\Http\RequestHandlers\HomePage;
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use Fisharebest\Webtrees\Services\TreeService;
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use Fisharebest\Webtrees\Tree;
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use Psr\Http\Message\ResponseInterface;
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use Psr\Http\Message\ServerRequestInterface;
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use Psr\Http\Server\MiddlewareInterface;
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use Psr\Http\Server\RequestHandlerInterface;
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use function app;
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use function redirect;
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/**
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 * Transfer route parameters to the request.
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 */
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class LoadRouteParameters implements MiddlewareInterface
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{
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    /** @var TreeService */
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    private $tree_service;
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    /**
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     * AddRouteParameters constructor.
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     *
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     * @param TreeService $tree_service
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     */
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    public function __construct(TreeService $tree_service)
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    {
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        $this->tree_service = $tree_service;
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    }
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    /**
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     * @param ServerRequestInterface  $request
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     * @param RequestHandlerInterface $handler
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     *
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     * @return ResponseInterface
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     */
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    public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface
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    {
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        $route = $request->getAttribute('route');
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        assert($route instanceof Route);
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        foreach ($route->attributes as $key => $value) {
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            if ($key === 'tree') {
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                // Convert a tree name to a tree object.
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                $value = $this->tree_service->all()->get($value);
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                // Not a valid tree, and parameter is required?
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                if ($value === null && strpos($route->path, '{tree}') !== false) {
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                    if (Auth::check() || $request->getMethod() === RequestMethodInterface::METHOD_POST) {
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                        throw new HttpNotFoundException();
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                    }
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                    return redirect(HomePage::class);
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                }
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                app()->instance(Tree::class, $value);
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            }
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            $request = $request->withAttribute((string) $key, $value);
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        }
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        return $handler->handle($request);
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    }
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}
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