Genkgo\Mail\Stream\ResourceStream

Complexity

Total Complexity

23

Size/Duplication

Total Lines	172
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	0

Test Coverage

Coverage

75.47%

Importance

Changes

0

16 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	9	2
A	__toString()	0	5	1
A	close()	0	4	1
A	detach()	0	4	1
A	getSize()	0	4	1
A	tell()	0	4	1
A	eof()	0	4	1
A	isSeekable()	0	9	3
A	seek()	0	4	1
A	rewind()	0	4	1
A	isWritable()	0	9	4
A	write()	0	4	1
A	isReadable()	0	4	1
A	read()	0	4	1
A	getContents()	0	4	1
A	getMetadata()	0	17	2

<?php
declare(strict_types=1);

namespace Genkgo\Mail\Stream;

use Genkgo\Mail\StreamInterface;

/**
 * Class ResourceStream
 * @package Genkgo\Mail\Stream
 */
final class ResourceStream implements StreamInterface
{

    /**
     * @var resource
     */
    private $resource;

    /**
     * ResourceStream constructor.
     * @param $resource
     */
    public function __construct($resource)
    {
        if (!is_resource($resource)) {
            throw new \InvalidArgumentException('Argument 0 must be a resource');
        }

        rewind($resource);
        $this->resource = $resource;
    }

    /**
     * @return string
     */
    public function __toString(): string
    {
        rewind($this->resource);
        return stream_get_contents($this->resource);
    }

    /**
     *
     */
    public function close(): void
    {
        fclose($this->resource);
    }

    /**
     * @return mixed
     */
    public function detach()
    {
        return $this->resource;
    }

    /**
     * @return int|null
     */
    public function getSize(): ?int
    {
        return fstat($this->resource)['size'];
    }

    /**
     * @return int
     * @throws \RuntimeException
     */
    public function tell(): int
    {
        return ftell($this->resource);
    }

    /**
     * @return bool
     */
    public function eof(): bool
    {
        return feof($this->resource);
    }

    /**
     * @return bool
     */
    public function isSeekable(): bool
    {
        $metaData = stream_get_meta_data($this->resource);
        if (!$metaData || !isset($metaData['seekable'])) {

The expression $metaData of type array is implicitly converted to a boolean; are you sure this is intended? If so, consider using empty($expr) instead to make it clear that you intend to check for an array without elements.

            return false;
        }

        return $metaData['seekable'];
    }

    /**
     * @param int $offset
     * @param int $whence
     * @return int
     */
    public function seek(int $offset, int $whence = SEEK_SET): int
    {
        return fseek($this->resource, $offset, $whence);
    }

    /**
     * @return bool
     */
    public function rewind(): bool
    {
        return rewind($this->resource);
    }

    /**
     * @return bool
     */
    public function isWritable(): bool
    {
        $metaData = stream_get_meta_data($this->resource);
        if (!$metaData || !isset($metaData['uri'])) {

The expression $metaData of type array is implicitly converted to a boolean; are you sure this is intended? If so, consider using empty($expr) instead to make it clear that you intend to check for an array without elements.

            return false;
        }

        return is_writable($metaData['uri']) || $metaData['uri'] === 'php://memory';
    }

    /**
     * @param $string
     * @return int
     */
    public function write($string): int
    {
        return fwrite($this->resource, $string);
    }

    /**
     * @return bool
     */
    public function isReadable(): bool
    {
        return true;
    }

    /**
     * @param int $length
     * @return string
     */
    public function read(int $length): string
    {
        return fread($this->resource, $length);
    }

    /**
     * @return string
     */
    public function getContents(): string
    {
        return stream_get_contents($this->resource);
    }

    /**
     * @param array $keys
     * @return array
     */
    public function getMetadata(array $keys = []): array
    {
        $metaData = stream_get_meta_data($this->resource);
        if (!$metaData) {

The expression $metaData of type array is implicitly converted to a boolean; are you sure this is intended? If so, consider using empty($expr) instead to make it clear that you intend to check for an array without elements.

            return [];
        }

        $keys = array_map('strtolower', $keys);

        return array_filter(
            $metaData,
            function ($key) use ($keys) {
                return in_array(strtolower($key), $keys);
            },
            ARRAY_FILTER_USE_KEY
        );
    }
}