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<?php |
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namespace Gnutix\Library\LibraryFactory; |
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use Gnutix\Library\Dumper\YamlLibraryDumper; |
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use Gnutix\Library\LibraryFactoryInterface; |
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use Gnutix\Library\Loader\YamlFileLoader; |
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/** |
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* Library Factory for the YAML data |
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*/ |
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class YamlLibraryFactory implements LibraryFactoryInterface |
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{ |
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/** @var array */ |
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protected $classes; |
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/** @var \Gnutix\Library\LibraryInterface */ |
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private $library; |
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/** |
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* @param array $classes |
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*/ |
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public function __construct(YamlFileLoader $loader, $classes) |
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{ |
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$this->classes = $classes; |
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$this->library = new $this->classes['library']($this->getLibraryDependencies($loader->getData())); |
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} |
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public function getLibrary() |
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{ |
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return $this->library; |
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} |
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/** |
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* @return \Gnutix\Library\Dumper\YamlLibraryDumper |
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*/ |
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public function getLibraryDumper() |
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{ |
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return new YamlLibraryDumper(); |
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} |
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protected function getClass(string $class) |
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{ |
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return $this->classes[$class]; |
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} |
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/** |
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* @return array |
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*/ |
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protected function getLibraryDependencies(array $data) |
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{ |
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return [ |
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'books' => $this->buildBooks($this->get($data, 'books', [])), |
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'categories' => $this->buildClassInstanceFromArray($this->get($data, 'categories', []), 'category'), |
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'editors' => $this->buildClassInstanceFromArray($this->get($data, 'editors', []), 'editor'), |
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]; |
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} |
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/** |
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* @param array $data The XML data |
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* @param string $targetClass The target for the class |
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* @param array $renameKeys The rename keys array |
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* |
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* @return array |
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*/ |
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protected function buildClassInstanceFromArray(array $data, $targetClass, array $renameKeys = []) |
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{ |
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$elements = []; |
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$className = $this->getClass($targetClass); |
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foreach ($data as $element) { |
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$elements[] = new $className($this->renameArrayKeys($element, $renameKeys)); |
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} |
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return $elements; |
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} |
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/** |
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* @return array |
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*/ |
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protected function buildBooks(array $books) |
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{ |
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$booksObjects = []; |
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foreach ($books as $book) { |
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$booksObjects[] = new $this->classes['book']($this->getBookDependencies($book)); |
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} |
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return $booksObjects; |
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} |
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/** |
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* @return array |
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*/ |
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protected function getBookDependencies(array $book) |
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{ |
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return [ |
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'category' => new $this->classes['category']($this->get($book, 'category', [])), |
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'authors' => $this->buildAuthors($book), |
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'releases' => $this->buildReleases($this->get($book, 'releases', [])), |
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]; |
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} |
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/** |
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* @return array |
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*/ |
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protected function buildAuthors(array $book) |
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{ |
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$authorsObjects = []; |
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if (null !== $author = $this->get($book, 'author')) { |
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$book['authors'][] = $author; |
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unset($book['author']); |
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} |
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foreach ($this->get($book, 'authors') as $author) { |
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$authorsObjects[] = new $this->classes['author']($author); |
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} |
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return $authorsObjects; |
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} |
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/** |
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* @return array |
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*/ |
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protected function buildReleases(array $releases) |
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{ |
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$releasesObjects = []; |
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foreach ($releases as $release) { |
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$releasesObjects[] = new $this->classes['release']($this->buildReleaseDependencies($release)); |
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} |
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return $releasesObjects; |
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} |
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/** |
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* @return array |
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*/ |
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protected function buildReleaseDependencies(array $release) |
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{ |
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return [ |
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'title' => $this->get($release, 'title'), |
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'language' => new $this->classes['language']($this->get($release, 'language', [])), |
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'editor' => new $this->classes['editor']($this->get($release, 'editor', [])), |
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'format' => new $this->classes['format']($this->get($release, 'format', [])), |
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'publicationDate' => $this->get( |
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$release, |
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'publicationDate', |
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null, |
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function ($data) { |
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return $this->transformToDateTime($data); |
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} |
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), |
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'series' => new $this->classes['series']( |
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$this->get( |
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$release, |
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'series', |
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[], |
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function ($data) { |
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return $this->renameArrayKeys($data, ['number' => 'bookId']); |
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} |
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) |
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), |
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'owner' => new $this->classes['owner']( |
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$this->get( |
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$release, |
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'owner', |
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[], |
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function ($data) { |
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return $this->renameArrayKeys($data, ['copies' => 'nbCopies', 'readings' => 'nbReadings']); |
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} |
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) |
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), |
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]; |
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} |
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/** |
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* @param string $index |
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* @param bool $throwException |
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* |
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* @throws \InvalidArgumentException |
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*/ |
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protected function get(array $data, $index, $default = null, ?callable $callback = null, $throwException = false) |
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{ |
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if (isset($data[$index])) { |
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if (is_callable($callback)) { |
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return $callback($data[$index]); |
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} |
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return $data[$index]; |
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} |
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if (!$throwException) { |
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return $default; |
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} |
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throw new \InvalidArgumentException('Index "'.$index.'" could not be found.'); |
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} |
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protected function transformToDateTime(array $date): \DateTime |
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{ |
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foreach (['day', 'month', 'year'] as $key) { |
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if (!isset($date[$key])) { |
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$date[$key] = 0; |
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} |
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} |
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$dateTime = new \DateTime(); |
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return $dateTime->setDate($date['year'], $date['month'], $date['day']); |
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} |
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protected function renameArrayKeys(array $data, array $keys): array |
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{ |
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foreach ($keys as $old => $new) { |
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// PS: do not use isset as the value may be null |
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if (!array_key_exists($old, $data)) { |
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continue; |
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} |
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$data[$new] = $data[$old]; |
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unset($data[$old]); |
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} |
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return $data; |
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} |
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} |
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gnutix /
swbooks
