Surfnet\StepupMiddleware\ApiBundle\Request\CommandParamConverter

Complexity

Total Complexity

13

Size/Duplication

Total Lines	63
Duplicated Lines	14.29 %

Coupling/Cohesion

Components	0
Dependencies	4

Importance

Changes

0

3 Methods

Rating	Name	Duplication	Size	Complexity
A	apply()	0	23	2
A	supports()	0	5	2
D	assertIsValidCommandStructure()	9	26	9

<?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\StepupMiddleware\ApiBundle\Exception\BadCommandRequestException;
use Symfony\Component\HttpFoundation\Request;

class CommandParamConverter implements ParamConverterInterface
{
    public function apply(Request $request, ParamConverter $configuration)
    {
        $data = json_decode($request->getContent(), true);

        $this->assertIsValidCommandStructure($data);

        preg_match('~^(\w+):([\w\\.]+)$~', $data['command']['name'], $commandName);
        $commandClassName = sprintf(
            'Surfnet\StepupMiddleware\CommandHandlingBundle\%s\Command\%sCommand',
            $commandName[1],
            str_replace('.', '\\', $commandName[2])
        );

        $command = new $commandClassName;
        $command->UUID = $data['command']['uuid'];

        foreach ($data['command']['payload'] as $property => $value) {
            $properlyCasedProperty = lcfirst(str_replace(' ', '', ucwords(str_replace('_', ' ', $property))));
            $command->$properlyCasedProperty = $value;
        }

        $request->attributes->set('command', $command);
    }

    public function supports(ParamConverter $configuration)
    {
        return $configuration->getName() === 'command'
            && $configuration->getClass() === 'Surfnet\StepupMiddleware\CommandHandlingBundle\Command\Command';
    }

    /**
     * @param mixed $data
     * @throws BadCommandRequestException
     */
    private function assertIsValidCommandStructure($data)
    {
        if (!is_array($data)) {
            $type = gettype($data);

            throw new BadCommandRequestException(
                [sprintf('Command is not valid: body must be a JSON object, but is of type %s', $type)]
            );
        }

        if (!isset($data['command'])) {
            throw new BadCommandRequestException(["Required parameter 'command' is not set."]);
        }

        if (!isset($data['command']['name']) || !is_string($data['command']['name'])) {

This code seems to be duplicated across your project.

            throw new BadCommandRequestException(["Required command parameter 'name' is not set or not a string."]);
        }

        if (!isset($data['command']['uuid']) || !is_string($data['command']['uuid'])) {

This code seems to be duplicated across your project.

            throw new BadCommandRequestException(["Required command parameter 'uuid' is not set or not a string."]);
        }

        if (!isset($data['command']['payload']) || !is_array($data['command']['payload'])) {

This code seems to be duplicated across your project.

            throw new BadCommandRequestException(["Required command parameter 'payload' is not set or not an object."]);
        }
    }
}