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<?php |
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namespace TheCodingMachine\CMS\StaticRegistry\Registry; |
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use Psr\Container\ContainerInterface; |
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use Psr\SimpleCache\CacheInterface; |
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use Symfony\Component\Finder\Finder; |
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use TheCodingMachine\CMS\StaticRegistry\Loaders\Block; |
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/** |
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* The block registry can fetch Block objects from the "blocks" directory or from the container. |
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*/ |
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class BlockRegistry |
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{ |
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/** |
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* @var string |
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*/ |
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private $blockDirectory; |
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/** |
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* @var ContainerInterface |
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*/ |
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private $container; |
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/** |
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* @var CacheInterface |
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*/ |
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private $cache; |
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/** |
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* An array of array of blocks indexed by id (several blocks can share the same ID) |
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* |
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* @var Block[][] |
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*/ |
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private $blocks; |
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public function __construct(string $blockDirectory, ContainerInterface $container, CacheInterface $cache) |
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{ |
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$this->blockDirectory = rtrim($blockDirectory, '/\\').'/'; |
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$this->container = $container; |
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$this->cache = $cache; |
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} |
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/** |
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* Returns all blocks with a given blockId (several blocks can share the same ID if they have different languages) |
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* |
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* @param string $blockId |
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* @return Block[] |
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*/ |
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public function getBlocks(string $blockId): array |
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{ |
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$key = 'block__'.$blockId; |
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$block = $this->cache->get($key); |
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if ($block === null) { |
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$block = $this->getBlocksNoCache($blockId); |
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$this->cache->set($key, $block); |
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} |
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return $block; |
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} |
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/** |
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* @param string $blockName |
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* @return Block[] |
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* @throws BlockNotFoundException |
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*/ |
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private function getBlocksNoCache(string $blockName): array |
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{ |
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if ($this->container->has($blockName)) { |
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$entry = $this->container->get($blockName); |
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if ($entry instanceof Block) { |
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return [$entry]; |
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} |
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} |
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$blocks = $this->loadBlocks(); |
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if (isset($blocks[$blockName])) { |
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return $blocks[$blockName]; |
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} |
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throw BlockNotFoundException::couldNotLoadBlock($blockName); |
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} |
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/** |
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* @return Block[][] |
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*/ |
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private function loadBlocks(): array |
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{ |
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if ($this->blocks === null) |
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{ |
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$this->blocks = []; |
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$fileList = new Finder(); |
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$fileList->files()->in($this->blockDirectory)->name('/\.html|\.md/')->sortByName(); |
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foreach ($fileList as $splFileInfo) { |
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$block = Block::fromFile($splFileInfo); |
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$this->blocks[$block->getId()][] = $block; |
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} |
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} |
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return $this->blocks; |
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} |
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/** |
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* @param string $tag |
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* @return Block[] |
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*/ |
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public function findBlocksByTag(string $tag): array |
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{ |
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$blocks = $this->loadBlocks(); |
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$filteredBlocks = []; |
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foreach ($blocks as $blockArray) { |
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$filteredBlocks = array_merge($filteredBlocks, array_filter($blockArray, function(Block $block) use ($tag) { |
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return in_array($tag, $block->getTags(), true); |
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})); |
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} |
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return $filteredBlocks; |
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} |
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} |
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thecodingmachine /
cms-static-registry
