ChunksFilesystem::listChunks() - Code Metrics - Inspection of "Develop" - jobtech-dev/laravel-chunky - Measure and Improve Code Quality continuously with Scrutinizer

Test Failed
Pull Request — master (#24)

by Filippo
created 2020-09-28 15:10 UTC
ChunksFilesystem::listChunks() A

↳ Parent: ChunksFilesystem
Complexity

Conditions	1
Paths	1
Size

Total Lines	15
Code Lines	11
Duplication

Lines	0
Ratio	0 %
Importance

Changes	1
Bugs	0	Features	0
Metric	Value
cc	1
eloc	11
nc	1
nop	1
dl	0
loc	15
rs	9.9
c	1
b	0
f	0
<?php

namespace Jobtech\LaravelChunky\Support;

use Illuminate\Support\Arr;
use Illuminate\Support\Collection;
use Illuminate\Support\Str;
use Jobtech\LaravelChunky\Chunk;
use Jobtech\LaravelChunky\Events\ChunkAdded;
use Jobtech\LaravelChunky\Events\ChunkDeleted;
use Jobtech\LaravelChunky\Exceptions\ChunkyException;
use Keven\AppendStream\AppendStream;
use Keven\Flysystem\Concatenate\Concatenate;
use Neutron\TemporaryFilesystem\Manager;
use Symfony\Component\HttpFoundation\File\File;

class ChunksFilesystem extends FileSystem
{
    /** @var Manager|null */
    private static $manager;

    /** @var array */
    private static $collections = [];

    private function temporaryFilesystem(): Manager
    {
        if (static::$manager === null) {

            static::$manager = Manager::create();
        }

        return static::$manager;
    }

    private function addTemporaryContext(string $folder)
    {
        array_push(static::$collections, $folder);

    }

    /** {@inheritdoc} */
    public function disk($disk = null): ?string
    {
        if (! empty($disk) && is_string($disk)) {
            $this->disk = $disk;
        }

        return $this->disk;
    }

    /** {@inheritdoc} */
    public function folder($folder = null): ?string
    {
        if (! empty($folder) && is_string($folder)) {
            $this->folder = $folder;
        }

        return $this->folder;
    }

    /**
     * @param string $folder
     *
     * @return string
     */
    public function fullPath(string $folder): string
    {
        $suffix = Str::endsWith($folder, DIRECTORY_SEPARATOR) ? '' : DIRECTORY_SEPARATOR;

        if (Str::startsWith($folder, $this->folder)) {
            return $folder.$suffix;
        } else if(!Str::endsWith($this->folder, $folder.$suffix)) {
            return $this->folder.$folder.$suffix;
        }

        return $this->folder;

    }

    /**
     * Retrieve every chunks' folder.
     *
     * @return array
     */
    public function folders(): array
    {
        return $this->filesystem()
            ->disk($this->disk)
            ->directories($this->folder);
    }

    /**
     * @param string|null $folder
     *
     * @return array
     */
    public function list($folder = null): array
    {
        $folder = $this->fullPath($folder);
        $folder = $this->fullPath(/** @scrutinizer ignore-type */ $folder);

        return $this->filesystem()
            ->disk($this->disk)
            ->files($folder);
    }

    /**
     * @param \Jobtech\LaravelChunky\Chunk $chunk
     * @param string $folder
     * @param array $options
     *
     * @return Chunk
     */
    public function store(Chunk $chunk, string $folder, $options = []): Chunk
    public function store(Chunk $chunk, string $folder, /** @scrutinizer ignore-unused */ $options = []): Chunk
    {
        if (! $chunk->getOriginalPath() instanceof File) {
            throw new ChunkyException('Path must be a file');
        }

        $file = fopen($chunk->getPath(), 'r');
        $destination = $this->fullPath($folder).$chunk->getSlug();
        $path = $this->filesystem()->disk($this->disk)->put(
            $destination, $file
            $destination, /** @scrutinizer ignore-type */ $file
        );

        fclose($file);
        fclose(/** @scrutinizer ignore-type */ $file);

        $chunk->setPath($path);

        event(new ChunkAdded($chunk));

        return $chunk;
    }

    /**
     * Delete all chunks and, once empty, delete the folder.
     *
     * @param string $folder
     *
     * @return bool
     */
    public function delete(string $folder): bool
    {
        // Check temporary files
        if (in_array($folder, static::$collections)) {

            $this->temporaryFilesystem()->clean($folder);
        }

        $folder = $this->fullPath($folder);

        if (! $this->filesystem()->disk($this->disk)->exists($folder)) {
            return true;
        }

        foreach ($this->listChunks($folder) as $chunk) {
            $this->deleteChunk($chunk);
        }

        return $this->filesystem()->disk($this->disk)
            ->deleteDirectory($folder);
    }

    /**
     * Delete all chunks and, once empty, delete the folder.
     *
     * @param string $folder
     *
     * @return bool
     */
    public function deleteChunk(Chunk $chunk): bool
    {
        if (! $this->filesystem()->disk($this->disk)->exists($chunk->getPath())) {
            return true;
        }

        $deleted = $this->filesystem()
            ->disk($this->disk)
            ->delete($chunk->getPath());

        if ($deleted) {
            event(new ChunkDeleted($chunk));
        }

        return $deleted;
    }

    /**
     * @param string $folder
     * @return \Illuminate\Support\Collection
     */
    public function listChunks(string $folder)
    {
        $folder = $this->fullPath($folder);
        $files = $this->list($folder);

        return collect($files)
            ->map(function ($path, $key) use ($folder, $files) {
                $filename = str_replace($folder, '', $path);
                $exploded_name = explode('_', $filename);
                $index = array_shift($exploded_name);
                $last = count($files) - 1 == $key;

                return new Chunk(intval($index), $path, $this->disk, $last);
            })->sortBy(function (Chunk $chunk) {
                return $chunk->getIndex();
            });
    }

    /**
     * @param string $path
     * @return bool
     */
    public function exists(string $path): bool
    {
        return $this->filesystem()->disk($this->disk)->exists($path);
    }

    /**
     * @param string $folder
     * @return int
     */
    public function chunksCount(string $folder): int
    {
        $folder = $this->fullPath($folder);

        return count($this->list($folder));
    }

    /**
     * @param string $path
     * @return int
     */
    public function chunkSize(string $path): int
    {
        return $this->filesystem()->disk($this->disk)->size($path);
    }

    /**
     * @param $path
     * @return resource|null
     * @throws \Illuminate\Contracts\Filesystem\FileNotFoundException
     */
    public function readChunk($path)
    {
        return $this->filesystem()->disk($this->disk)->readStream($path);
    }

    /**
     * @param string $folder
     * @param \Illuminate\Support\Collection $chunks
     * @return \Illuminate\Support\Collection
     */
    public function createTemporaryFiles(string $folder, Collection $chunks): Collection
    {
        $this->addTemporaryContext($folder);

        return $chunks->map(function (Chunk $chunk) use ($folder) {
            $resource = $this->filesystem()->disk($this->disk)->readStream($chunk->getPath());
            $location = $this->temporaryFilesystem()->createTemporaryFile($folder);

            $stream = fopen($location, 'w+b');

            if (! $stream || stream_copy_to_stream($resource, $stream) === false || ! fclose($stream)) {

                return false;
            }

            return $location;
        });
    }

    /**
     * Concatenate all chunks into final merge.
     *
     * @param string $chunk
     * @param array $chunks
     * @return bool
     */
    public function concatenate(string $destination, array $chunks): bool
    {
        $first = Arr::first($chunks);
        $stream = new AppendStream;

        foreach ($chunks as $chunk) {
            if(!$this->isLocal()) {
                $temp = fopen($chunk, 'rb');
                $stream->append($temp);
                $stream->append(/** @scrutinizer ignore-type */ $temp);
            } else {
                $stream->append($this->filesystem()->disk($this->disk)->readStream($chunk));
            }
        }

        if(!$this->isLocal()) {
            file_put_contents($first, $stream->getResource());
            return $this->filesystem()->disk($this->disk)->put($destination, fopen($first, 'rb'));
            return $this->filesystem()->disk($this->disk)->put($destination, /** @scrutinizer ignore-type */ fopen($first, 'rb'));
        }

        return $this->filesystem()->disk($this->disk)->put($destination, $stream->getResource());
    }
}

jobtech-dev / laravel-chunky

Pull Request — master (#24)

ChunksFilesystem::listChunks() A

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