Surfnet\StepupMiddleware\ApiBundle\Request\ConfigurationInstitutionParamConverter

Complexity

Total Complexity

8

Size/Duplication

Total Lines	38
Duplicated Lines	0 %

Coupling/Cohesion

Components	0
Dependencies	5

Importance

Changes	1
Bugs	0	Features	0

3 Methods

Rating	Name	Duplication	Size	Complexity
B	getInstitutionFromRequest()	0	18	5
A	apply()	0	4	1
A	supports()	0	5	2

<?php

/**
 * Copyright 2014 SURFnet bv
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

namespace Surfnet\StepupMiddleware\ApiBundle\Request;

use Sensio\Bundle\FrameworkExtraBundle\Configuration\ParamConverter;
use Sensio\Bundle\FrameworkExtraBundle\Request\ParamConverter\ParamConverterInterface;
use Surfnet\Stepup\Configuration\Value\Institution;
use Surfnet\StepupMiddleware\ApiBundle\Exception\BadApiRequestException;
use Symfony\Component\HttpFoundation\Request;

class ConfigurationInstitutionParamConverter implements ParamConverterInterface
{
    const INSTITUTION = 'institution';

    public function apply(Request $request, ParamConverter $configuration)
    {
        $request->attributes->set(self::INSTITUTION, new Institution($this->getInstitutionFromRequest($request)));
    }

    public function supports(ParamConverter $configuration)
    {
        return $configuration->getName() === self::INSTITUTION
            && $configuration->getClass() === 'Surfnet\Stepup\Configuration\Value\Institution';
    }

    /**
     * @param Request $request
     * @return string
     */
    private function getInstitutionFromRequest(Request $request)
    {
        $institution = $request->attributes->get(self::INSTITUTION, false);
        $request->attributes->remove(self::INSTITUTION);

        if (is_string($institution) && !empty($institution)) {
            return $institution;
        }

        $institution = $request->query->get(self::INSTITUTION, false);
        $request->query->remove(self::INSTITUTION);

        if (is_string($institution) && !empty($institution)) {
            return $institution;
        }

        throw new BadApiRequestException(['This API-call MUST include the institution in the path or query parameters']);

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    }
}