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<?php |
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declare(strict_types=1); |
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namespace PhpEpub; |
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use PhpEpub\Util\FileSystemHelper; |
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use SimpleXMLElement; |
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class EpubFile |
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{ |
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private ?string $tempDir = null; |
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private readonly XmlParser $xmlParser; |
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private readonly ZipHandler $zipHandler; |
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private readonly Parser $parser; |
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private ?Metadata $metadata = null; |
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private ?Spine $spine = null; |
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private ?SimpleXMLElement $opfXml = null; |
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public function __construct(private readonly string $filePath) |
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{ |
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$this->zipHandler = new ZipHandler(); |
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$this->xmlParser = new XmlParser(); |
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$this->parser = new Parser($this->xmlParser); |
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} |
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public function __destruct() |
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{ |
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if ($this->tempDir !== null && is_dir($this->tempDir)) { |
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$helper = new FileSystemHelper(); |
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$helper->deleteDirectory($this->tempDir); |
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} |
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} |
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public function load(): void |
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{ |
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$this->tempDir = sys_get_temp_dir() . DIRECTORY_SEPARATOR . uniqid('epub_', true); |
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if (! mkdir($this->tempDir) && ! is_dir($this->tempDir)) { |
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throw new Exception("Failed to create temporary directory: {$this->tempDir}"); |
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} |
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$this->zipHandler->extract($this->filePath, $this->tempDir); |
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$opfFilePath = $this->parser->parse($this->tempDir); |
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$opfFileFullPath = $this->tempDir . DIRECTORY_SEPARATOR . $opfFilePath; |
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$this->opfXml = $this->xmlParser->parse($opfFileFullPath); |
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$this->metadata = new Metadata($this->opfXml, $opfFileFullPath); |
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$this->spine = new Spine($this->opfXml); |
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} |
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public function save(?string $filePath = null): void |
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{ |
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if ($this->tempDir === null) { |
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throw new Exception('EPUB file must be loaded before saving.'); |
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} |
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if ($filePath === null) { |
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$filePath = $this->filePath; |
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} |
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$this->zipHandler->compress($this->tempDir, $filePath); |
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} |
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public function getTempDir(): ?string |
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{ |
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return $this->tempDir; |
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} |
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public function getMetadata(): ?Metadata |
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{ |
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return $this->metadata; |
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} |
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public function getSpine(): ?Spine |
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{ |
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return $this->spine; |
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} |
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} |
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indy2kro /
php-epub
