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<?php |
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declare(strict_types=1); |
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namespace GraphQLAPI\GraphQLAPI\General; |
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use GraphQLAPI\GraphQLAPI\Blocks\AbstractBlock; |
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use WP_Post; |
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class BlockHelpers |
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{ |
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/** |
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* After parsing a post, cache its blocks |
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* |
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* @var array<int, array> |
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*/ |
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protected static array $blockCache = []; |
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/** |
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* Extract the blocks from the post |
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* |
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* @param WP_Post|int $configurationPostOrID |
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* @return array<string, mixed> The block stores its data as property => value |
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*/ |
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public static function getBlocksFromCustomPost( |
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$configurationPostOrID |
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): array { |
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if (\is_object($configurationPostOrID)) { |
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$configurationPost = $configurationPostOrID; |
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$configurationPostID = $configurationPost->ID; |
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} else { |
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$configurationPostID = $configurationPostOrID; |
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$configurationPost = \get_post($configurationPostID); |
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} |
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// If there's either no post or ID, then that object doesn't exist (or maybe it's draft or trashed) |
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if (!$configurationPost || !$configurationPostID) { |
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return []; |
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} |
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// If it's trashed, then do not use |
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if ($configurationPost->post_status == 'trash') { |
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return []; |
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} |
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// Get the blocks from the inner cache, if available |
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if (isset(self::$blockCache[$configurationPostID])) { |
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$blocks = self::$blockCache[$configurationPostID]; |
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} else { |
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$blocks = \parse_blocks($configurationPost->post_content); |
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self::$blockCache[$configurationPostID] = $blocks; |
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} |
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return $blocks; |
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} |
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/** |
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* Read the configuration post, and extract the configuration, contained through the specified block |
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* |
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* @param WP_Post|int $configurationPostOrID |
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* @return array<array> A list of block data, each as an array |
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*/ |
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public static function getBlocksOfTypeFromCustomPost( |
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$configurationPostOrID, |
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AbstractBlock $block |
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): array { |
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$blocks = self::getBlocksFromCustomPost($configurationPostOrID); |
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// Obtain the blocks for the provided block type |
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$blockFullName = $block->getBlockFullName(); |
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return array_values(array_filter( |
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$blocks, |
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function ($block) use ($blockFullName) { |
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return $block['blockName'] == $blockFullName; |
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} |
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)); |
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} |
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/** |
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* Read the single block of a certain type, contained in the post. |
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* If there are more than 1, or none, return null |
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* |
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* @param WP_Post|int $configurationPostOrID |
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* @return array<string, mixed>|null Data inside the block is saved as key (string) => value |
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*/ |
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public static function getSingleBlockOfTypeFromCustomPost( |
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$configurationPostOrID, |
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AbstractBlock $block |
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): ?array { |
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$blocks = self::getBlocksOfTypeFromCustomPost($configurationPostOrID, $block); |
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if (count($blocks) != 1) { |
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return null; |
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} |
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return $blocks[0]; |
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} |
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} |
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GraphQLAPI /
graphql-api-for-wp
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