Completed
Push — develop ( da0857...da75a0 )
by Neomerx
03:18
created

CommandTrait::createApplicationContainer()   A

Complexity

Conditions 1
Paths 1

Size

Total Lines 6

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 2
CRAP Score 1

Importance

Changes 0
Metric Value
cc 1
nc 1
nop 2
dl 0
loc 6
ccs 2
cts 2
cp 1
crap 1
rs 10
c 0
b 0
f 0
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<?php namespace Limoncello\Commands\Traits;
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/**
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 * Copyright 2015-2018 [email protected]
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 *
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 * Licensed under the Apache License, Version 2.0 (the "License");
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 * you may not use this file except in compliance with the License.
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 * You may obtain a copy of the License at
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 *
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 * http://www.apache.org/licenses/LICENSE-2.0
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 *
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 * Unless required by applicable law or agreed to in writing, software
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 * distributed under the License is distributed on an "AS IS" BASIS,
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 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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 * See the License for the specific language governing permissions and
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 * limitations under the License.
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 */
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use Composer\Composer;
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use Limoncello\Commands\CommandConstants;
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use Limoncello\Commands\Exceptions\ConfigurationException;
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use Limoncello\Commands\Wrappers\ConsoleIoWrapper;
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use Limoncello\Contracts\Commands\IoInterface;
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use Limoncello\Contracts\Core\ApplicationInterface;
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use Psr\Container\ContainerInterface;
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use ReflectionClass;
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use ReflectionException;
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use Symfony\Component\Console\Input\InputInterface;
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use Symfony\Component\Console\Output\OutputInterface;
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/**
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 * @package Limoncello\Commands
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 */
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trait CommandTrait
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{
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    /**
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     * @param InputInterface  $input
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     * @param OutputInterface $output
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     *
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     * @return IoInterface
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     */
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    protected function wrapIo(InputInterface $input, OutputInterface $output): IoInterface
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    {
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        return new ConsoleIoWrapper($input, $output);
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    }
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    /**
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     * @param Composer $composer
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     *
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     * @return ContainerInterface
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     *
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     * @throws ReflectionException
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     */
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    protected function createContainer(Composer $composer): ContainerInterface
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    {
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        // use application auto loader otherwise no app classes will be visible for us
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        $autoLoaderPath = $this->getAutoloadPath($composer);
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        if (file_exists($autoLoaderPath) === true) {
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            /** @noinspection PhpIncludeInspection */
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            require_once $autoLoaderPath;
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        }
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        $extra    = $this->getExtra($composer);
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        $appKey   = CommandConstants::COMPOSER_JSON__EXTRA__APPLICATION;
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        $classKey = CommandConstants::COMPOSER_JSON__EXTRA__APPLICATION__CLASS;
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        $appClass = $extra[$appKey][$classKey] ?? CommandConstants::DEFAULT_APPLICATION_CLASS_NAME;
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        if ($this->isValidApplicationClass($appClass) === false) {
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            $settingsPath = "extra->$appKey->$classKey";
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            throw new ConfigurationException(
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                "Invalid application class specified '$appClass'. Check your settings at composer.json $settingsPath."
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            );
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        }
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        $container = $this->createApplication($appClass)->createContainer();
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        return $container;
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    }
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    /**
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     * @param Composer $composer
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     *
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     * @return string
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     */
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    protected function getAutoloadPath(Composer $composer): string
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    {
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        return $composer->getConfig()->get('vendor-dir') . DIRECTORY_SEPARATOR . 'autoload.php';
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    }
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    /**
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     * @param Composer $composer
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     *
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     * @return array
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     */
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    protected function getExtra(Composer $composer): array
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    {
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        return $composer->getPackage()->getExtra();
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    }
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    /**
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     * @param string $className
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     *
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     * @return bool
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     *
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     * @throws ReflectionException
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     */
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    protected function isValidApplicationClass(string $className): bool
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    {
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        $reflectionClass = new ReflectionClass($className);
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        return
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            $reflectionClass->isInstantiable() === true &&
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            $reflectionClass->implementsInterface(ApplicationInterface::class) === true;
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    }
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    /**
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     * @param string $className
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     *
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     * @return ApplicationInterface
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     */
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    protected function createApplication(string $className): ApplicationInterface
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    {
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        return new $className();
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    }
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}
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