LocalDirectoryAdapter::validCallback()   A
last analyzed

Complexity

Conditions 1
Paths 1

Size

Total Lines 4

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 2
CRAP Score 1

Importance

Changes 0
Metric Value
dl 0
loc 4
ccs 2
cts 2
cp 1
rs 10
c 0
b 0
f 0
cc 1
nc 1
nop 1
crap 1
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<?php
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/*
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 * This file is part of Transfer.
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 *
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 * For the full copyright and license information, please view the LICENSE file located
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 * in the root directory.
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 */
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namespace Transfer\Adapter;
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use Symfony\Component\OptionsResolver\OptionsResolver;
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use Transfer\Adapter\Transaction\Iterator\CallbackIterator;
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use Transfer\Adapter\Transaction\Request;
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use Transfer\Adapter\Transaction\Response;
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use Transfer\Data\ValueObject;
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/**
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 * Local directory adapter functioning as a source.
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 */
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class LocalDirectoryAdapter implements SourceAdapterInterface
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{
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    /**
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     * @var array Option collection
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     */
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    private $options;
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    /**
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     * @var string Directory to read
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     */
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    private $directory;
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    /**
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     * @var array Found files
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     */
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    private $fileNames;
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    /**
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     * @param array $options Options
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     */
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    public function __construct(array $options = array())
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    {
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        $resolver = new OptionsResolver();
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        $this->configureOptions($resolver);
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        $this->options = $resolver->resolve($options);
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    }
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    /**
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     * Configures options.
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     *
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     * @param OptionsResolver $resolver
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     */
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    protected function configureOptions(OptionsResolver $resolver)
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    {
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        $resolver->setRequired(array('directory'));
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        $resolver->setAllowedTypes('directory', 'string');
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    }
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    /**
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     * {@inheritdoc}
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     */
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    public function receive(Request $request)
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    {
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        $this->directory = $this->options['directory'];
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        $this->fileNames = array_values(array_diff(scandir($this->directory), array('..', '.')));
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        $response = new Response(
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            new CallbackIterator(array($this, 'validCallback'), array($this, 'currentCallback'))
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        );
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        return $response;
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    }
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    /**
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     * Checks whether there are more files left.
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     *
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     * @param CallbackIterator $iterator
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     *
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     * @return bool
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     */
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    public function validCallback(CallbackIterator $iterator)
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    {
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        return (bool) array_key_exists($iterator->key(), $this->fileNames);
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    }
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    /**
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     * Returns a file object.
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     *
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     * @param CallbackIterator $iterator
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     *
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     * @return ValueObject
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     */
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    public function currentCallback(CallbackIterator $iterator)
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    {
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        $clientFilename = $this->fileNames[$iterator->key()];
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        $filename = $this->directory.DIRECTORY_SEPARATOR.$clientFilename;
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        $fileObject = new ValueObject(file_get_contents($filename));
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        $fileObject->setProperty('filename', $filename);
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        $fileObject->setProperty('client_filename', $clientFilename);
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        return $fileObject;
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    }
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}
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