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<?php |
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/** |
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* SEOmatic plugin for Craft CMS 3.x |
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* |
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* A turnkey SEO implementation for Craft CMS that is comprehensive, powerful, |
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* and flexible |
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* |
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* @link https://nystudio107.com |
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* @copyright Copyright (c) 2017 nystudio107 |
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*/ |
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namespace nystudio107\seomatic\helpers; |
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use Craft; |
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use craft\helpers\Json as JsonHelper; |
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use nystudio107\seomatic\models\MetaJsonLd; |
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use nystudio107\seomatic\Seomatic; |
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use yii\caching\TagDependency; |
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/** |
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* @author nystudio107 |
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* @package Seomatic |
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* @since 3.0.0 |
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*/ |
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class Schema |
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{ |
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// Constants |
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// ========================================================================= |
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const SCHEMA_PATH_DELIMITER = '.'; |
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const MENU_INDENT_STEP = 4; |
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const SCHEMA_TYPES = [ |
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'siteSpecificType', |
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'siteSubType', |
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'siteType', |
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]; |
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const GLOBAL_SCHEMA_CACHE_TAG = 'seomatic_schema'; |
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const SCHEMA_CACHE_TAG = 'seomatic_schema_'; |
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const CACHE_KEY = 'seomatic_schema_'; |
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// Static Methods |
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// ========================================================================= |
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/** |
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* Invalidate all of the schema caches |
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*/ |
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public static function invalidateCaches(): void |
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{ |
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$cache = Craft::$app->getCache(); |
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TagDependency::invalidate($cache, self::GLOBAL_SCHEMA_CACHE_TAG); |
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Craft::info( |
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'All schema caches cleared', |
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__METHOD__ |
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); |
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} |
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/** |
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* Return the most specific schema.org type possible from the $settings |
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* |
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* @param $settings |
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* |
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* @param bool $allowEmpty |
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* @return string |
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*/ |
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public static function getSpecificEntityType($settings, bool $allowEmpty = false): string |
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{ |
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if (!empty($settings)) { |
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// Go from most specific type to least specific type |
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foreach (self::SCHEMA_TYPES as $schemaType) { |
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if (!empty($settings[$schemaType]) && ($settings[$schemaType] !== 'none')) { |
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return $settings[$schemaType]; |
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} |
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} |
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} |
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return $allowEmpty ? '' : 'WebPage'; |
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} |
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/** |
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* Return a period-delimited schema.org path from the $settings |
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* |
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* @param $settings |
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* |
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* @return string |
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*/ |
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public static function getEntityPath($settings): string |
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{ |
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$result = ''; |
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if (!empty($settings)) { |
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// Go from most specific type to least specific type |
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foreach (self::SCHEMA_TYPES as $schemaType) { |
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if (!empty($settings[$schemaType]) && ($settings[$schemaType] !== 'none')) { |
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$result = $settings[$schemaType] . self::SCHEMA_PATH_DELIMITER . $result; |
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} |
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} |
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} |
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return rtrim($result, self::SCHEMA_PATH_DELIMITER); |
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} |
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/** |
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* Get the fully composed schema type |
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* |
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* @param $schemaType |
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* |
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* @return array |
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*/ |
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public static function getSchemaType(string $schemaType): array |
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{ |
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$result = []; |
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$jsonLdType = MetaJsonLd::create($schemaType); |
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if ($jsonLdType) { |
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// Get the static properties |
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try { |
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$classRef = new \ReflectionClass(\get_class($jsonLdType)); |
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} catch (\ReflectionException $e) { |
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$classRef = null; |
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} |
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if ($classRef) { |
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$result = $classRef->getStaticProperties(); |
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} |
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} |
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return $result; |
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} |
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/** |
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* Get the decomposed schema type |
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* |
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* @param string $schemaType |
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* |
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* @return array |
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*/ |
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public static function getDecomposedSchemaType(string $schemaType): array |
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{ |
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$result = []; |
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while ($schemaType) { |
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$className = 'nystudio107\\seomatic\\models\\jsonld\\' . $schemaType; |
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if (class_exists($className)) { |
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try { |
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$classRef = new \ReflectionClass($className); |
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} catch (\ReflectionException $e) { |
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$classRef = null; |
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} |
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if ($classRef) { |
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$staticProps = $classRef->getStaticProperties(); |
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foreach ($staticProps as $key => $value) { |
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if ($key[0] === '_') { |
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$newKey = ltrim($key, '_'); |
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$staticProps[$newKey] = $value; |
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unset($staticProps[$key]); |
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} |
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} |
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$result[$schemaType] = $staticProps; |
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$schemaType = $staticProps['schemaTypeExtends']; |
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if ($schemaType === 'JsonLdType') { |
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$schemaType = null; |
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} |
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} |
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} |
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} |
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return $result; |
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} |
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/** |
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* Return a flattened, indented menu of the given $path |
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* |
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* @param string $path |
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* |
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* @return array |
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*/ |
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public static function getTypeMenu($path = ''): array |
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{ |
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try { |
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$schemaTypes = self::getSchemaArray($path); |
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} catch (\Exception $e) { |
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Craft::error($e->getMessage(), __METHOD__); |
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return []; |
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} |
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return self::flattenSchemaArray($schemaTypes, 0); |
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} |
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/** |
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* Return a single menu of schemas starting at $path |
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* |
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* @param string $path |
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* |
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* @return array |
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*/ |
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public static function getSingleTypeMenu($path = ''): array |
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{ |
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$result = []; |
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try { |
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$schemaTypes = self::getSchemaArray($path); |
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} catch (\Exception $e) { |
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Craft::error($e->getMessage(), __METHOD__); |
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return []; |
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} |
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foreach ($schemaTypes as $key => $value) { |
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$result[$key] = $key; |
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} |
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return $result; |
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} |
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/** |
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* Return a flattened, indented menu of the given $path |
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* |
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* @param string $path |
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* |
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* @return array |
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*/ |
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public static function getTypeTree(): array |
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{ |
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try { |
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$schemaTypes = self::getSchemaTree(); |
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} catch (\Exception $e) { |
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Craft::error($e->getMessage(), __METHOD__); |
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return []; |
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} |
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$schemaTypes = self::pruneSchemaTree($schemaTypes, ''); |
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// Ignore the top level "Thing" base schema |
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return $schemaTypes['children'] ?? []; |
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} |
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/** |
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* Return a hierarchical array of schema types, starting at $path. The $path |
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* is specified as SchemaType.SubSchemaType using SCHEMA_PATH_DELIMITER as |
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* the delimiter. |
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* |
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* @param string $path |
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* |
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* @return array |
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* @throws \Exception |
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*/ |
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public static function getSchemaArray($path = ''): array |
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{ |
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$dependency = new TagDependency([ |
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'tags' => [ |
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self::GLOBAL_SCHEMA_CACHE_TAG, |
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self::SCHEMA_CACHE_TAG . 'schemaArray', |
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], |
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]); |
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$cache = Craft::$app->getCache(); |
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$typesArray = $cache->getOrSet( |
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self::CACHE_KEY . 'schemaArray', |
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function () use ($path) { |
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Craft::info( |
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'schemaArray cache miss: ' . $path, |
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__METHOD__ |
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); |
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$filePath = Craft::getAlias('@nystudio107/seomatic/resources/schema/tree.jsonld'); |
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$schemaTypes = JsonHelper::decode(@file_get_contents($filePath)); |
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if (empty($schemaTypes)) { |
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throw new \Exception(Craft::t('seomatic', 'Schema tree file not found')); |
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} |
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$schemaTypes = self::makeSchemaAssociative($schemaTypes); |
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$schemaTypes = self::orphanChildren($schemaTypes); |
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return $schemaTypes; |
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}, |
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Seomatic::$cacheDuration, |
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$dependency |
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); |
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// Get just the appropriate sub-array |
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if (!empty($path)) { |
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$keys = explode(self::SCHEMA_PATH_DELIMITER, $path); |
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foreach ($keys as $key) { |
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if (!empty($typesArray[$key])) { |
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$typesArray = $typesArray[$key]; |
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} |
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} |
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} |
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if (!\is_array($typesArray)) { |
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$typesArray = []; |
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} |
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return $typesArray; |
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} |
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/** |
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* @return array |
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* @throws \Exception |
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*/ |
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public static function getSchemaTree() |
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{ |
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$dependency = new TagDependency([ |
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'tags' => [ |
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self::GLOBAL_SCHEMA_CACHE_TAG, |
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self::SCHEMA_CACHE_TAG . 'schemaTree', |
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], |
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]); |
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$cache = Craft::$app->getCache(); |
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$typesArray = $cache->getOrSet( |
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self::CACHE_KEY . 'schemaArray', |
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function () { |
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Craft::info( |
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'schemaTree cache miss', |
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__METHOD__ |
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); |
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$filePath = Craft::getAlias('@nystudio107/seomatic/resources/schema/tree.jsonld'); |
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$schemaTree = JsonHelper::decode(@file_get_contents($filePath)); |
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if (empty($schemaTree)) { |
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throw new \Exception(Craft::t('seomatic', 'Schema tree file not found')); |
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} |
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return $schemaTree; |
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}, |
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Seomatic::$cacheDuration, |
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$dependency |
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); |
320
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if (!\is_array($typesArray)) { |
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$typesArray = []; |
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} |
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324
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return $typesArray; |
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} |
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/** |
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* @param array $typesArray |
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* @param $indentLevel |
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* |
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* @return array |
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*/ |
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protected static function flattenSchemaArray(array $typesArray, int $indentLevel): array |
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{ |
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$result = []; |
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foreach ($typesArray as $key => $value) { |
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$indent = html_entity_decode(str_repeat(' ', $indentLevel)); |
338
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if (\is_array($value)) { |
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$result[$key] = $indent . $key; |
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$value = self::flattenSchemaArray($value, $indentLevel + self::MENU_INDENT_STEP); |
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$result = array_merge($result, $value); |
342
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} else { |
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$result[$key] = $indent . $value; |
344
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} |
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} |
346
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347
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return $result; |
348
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} |
349
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|
350
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/** |
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* Reduce everything in the $schemaTypes array to a simple hierarchical |
352
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* array as 'SchemaType' => 'SchemaType' if it has no children, and if it |
353
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* has children, as 'SchemaType' = [] with an array of sub-types |
354
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* |
355
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* @param array $typesArray |
356
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* |
357
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* @return array |
358
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*/ |
359
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protected static function orphanChildren(array $typesArray): array |
360
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{ |
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$result = []; |
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363
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if (!empty($typesArray['children']) && \is_array($typesArray['children'])) { |
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foreach ($typesArray['children'] as $key => $value) { |
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$key = ''; |
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if (!empty($value['name'])) { |
367
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$key = $value['name']; |
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} |
369
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if (!empty($value['children'])) { |
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$value = self::orphanChildren($value); |
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} else { |
372
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$value = $key; |
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} |
374
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if (!empty($key)) { |
375
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$result[$key] = $value; |
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} |
377
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} |
378
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} |
379
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380
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return $result; |
381
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} |
382
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|
383
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/** |
384
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* Return a new array that has each type returned as an associative array |
385
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|
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* as 'SchemaType' => [] rather than the way the tree.jsonld file has it |
386
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|
|
* stored as a non-associative array |
387
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|
|
* |
388
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|
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* @param array $typesArray |
389
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* |
390
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|
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* @return array |
391
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|
|
*/ |
392
|
|
|
protected static function makeSchemaAssociative(array $typesArray): array |
393
|
|
|
{ |
394
|
|
|
$result = []; |
395
|
|
|
|
396
|
|
|
foreach ($typesArray as $key => $value) { |
397
|
|
|
if (isset($value['name'])) { |
398
|
|
|
$key = $value['name']; |
399
|
|
|
} |
400
|
|
|
if (\is_array($value)) { |
401
|
|
|
$value = self::makeSchemaAssociative($value); |
402
|
|
|
} |
403
|
|
|
if (isset($value['layer']) && \is_string($value['layer'])) { |
404
|
|
|
if ($value['layer'] === 'core' || $value['layer'] === 'pending') { |
405
|
|
|
$result[$key] = $value; |
406
|
|
|
} |
407
|
|
|
} else { |
408
|
|
|
$result[$key] = $value; |
409
|
|
|
} |
410
|
|
|
} |
411
|
|
|
|
412
|
|
|
return $result; |
413
|
|
|
} |
414
|
|
|
|
415
|
|
|
/** |
416
|
|
|
* Prune the schema tree by removing everything but `label`, `id`, and `children` |
417
|
|
|
* in preparation for use by the treeselect component. Also make the id a namespaced |
418
|
|
|
* path to the schema, with the first two higher level schema types, and then the |
419
|
|
|
* third final type (skipping any in between) |
420
|
|
|
* |
421
|
|
|
* @param array $typesArray |
422
|
|
|
* @param string $path |
423
|
|
|
* @return array |
424
|
|
|
*/ |
425
|
|
|
protected static function pruneSchemaTree(array $typesArray, string $path): array |
426
|
|
|
{ |
427
|
|
|
$result = []; |
428
|
|
|
|
429
|
|
|
// Don't include any "attic" (deprecated) schemas |
430
|
|
|
if (isset($typesArray['attic']) && $typesArray['attic']) { |
431
|
|
|
return []; |
432
|
|
|
} |
433
|
|
|
if (isset($typesArray['name']) && \is_string($typesArray['name'])) { |
434
|
|
|
$children = []; |
435
|
|
|
$name = $typesArray['name']; |
436
|
|
|
// Construct a path-based $id, excluding the top-level `Thing` schema |
437
|
|
|
$id = $name === 'Thing' ? '' : $path . self::SCHEMA_PATH_DELIMITER . $name; |
438
|
|
|
$id = ltrim($id, self::SCHEMA_PATH_DELIMITER); |
439
|
|
|
// Make sure we have at most 3 specifiers in the schema path |
440
|
|
|
$parts = explode(self::SCHEMA_PATH_DELIMITER, $id); |
441
|
|
|
if (count($parts) > 3) { |
442
|
|
|
$id = implode(self::SCHEMA_PATH_DELIMITER, [ |
443
|
|
|
$parts[0], |
444
|
|
|
$parts[1], |
445
|
|
|
end($parts) |
446
|
|
|
]); |
447
|
|
|
} |
448
|
|
|
if (!empty($typesArray['children'])) { |
449
|
|
|
foreach ($typesArray['children'] as $child) { |
450
|
|
|
$childResult = self::pruneSchemaTree($child, $id); |
451
|
|
|
if (!empty($childResult)) { |
452
|
|
|
$children[] = $childResult; |
453
|
|
|
} |
454
|
|
|
} |
455
|
|
|
if (!empty($children)) { |
456
|
|
|
$result['children'] = $children; |
457
|
|
|
} |
458
|
|
|
} |
459
|
|
|
// Mark it as pending, if applicable |
460
|
|
|
if (isset($typesArray['pending']) && $typesArray['pending']) { |
461
|
|
|
$name .= ' (pending)'; |
462
|
|
|
} else { |
463
|
|
|
// Check to see if this is a Google Rich Snippet schema |
464
|
|
|
$googleRichSnippetTypes = self::getGoogleRichSnippets(); |
465
|
|
|
$schemaPath = explode(self::SCHEMA_PATH_DELIMITER, $id); |
466
|
|
|
// Use only the specific (last) type for now, rather than the complete path of types |
467
|
|
|
$schemaPath = [end($schemaPath)]; |
468
|
|
|
if ((bool)array_intersect($schemaPath, array_keys($googleRichSnippetTypes))) { |
469
|
|
|
$name .= ' (Google rich snippet)'; |
470
|
|
|
} |
471
|
|
|
} |
472
|
|
|
$result['label'] = $name; |
473
|
|
|
$result['id'] = $id; |
474
|
|
|
} |
475
|
|
|
|
476
|
|
|
return $result; |
477
|
|
|
} |
478
|
|
|
|
479
|
|
|
/** |
480
|
|
|
* Get the Google Rich Snippets types & URLs |
481
|
|
|
* |
482
|
|
|
* @return array |
483
|
|
|
*/ |
484
|
|
|
protected static function getGoogleRichSnippets(): array |
485
|
|
|
{ |
486
|
|
|
$dependency = new TagDependency([ |
487
|
|
|
'tags' => [ |
488
|
|
|
self::GLOBAL_SCHEMA_CACHE_TAG, |
489
|
|
|
self::SCHEMA_CACHE_TAG . 'googleRichSnippets', |
490
|
|
|
], |
491
|
|
|
]); |
492
|
|
|
$cache = Craft::$app->getCache(); |
493
|
|
|
return $cache->getOrSet( |
494
|
|
|
self::CACHE_KEY . 'googleRichSnippets', |
495
|
|
|
function () { |
496
|
|
|
Craft::info( |
497
|
|
|
'googleRichSnippets cache miss', |
498
|
|
|
__METHOD__ |
499
|
|
|
); |
500
|
|
|
$filePath = Craft::getAlias('@nystudio107/seomatic/resources/schema/google-rich-snippets.json'); |
501
|
|
|
$googleRichSnippetTypes = JsonHelper::decode(@file_get_contents($filePath)); |
|
|
|
|
502
|
|
|
if (empty($googleRichSnippetTypes)) { |
503
|
|
|
throw new \Exception(Craft::t('seomatic', 'Google rich snippets file not found')); |
504
|
|
|
} |
505
|
|
|
|
506
|
|
|
return $googleRichSnippetTypes; |
507
|
|
|
}, |
508
|
|
|
Seomatic::$cacheDuration, |
509
|
|
|
$dependency |
510
|
|
|
); |
511
|
|
|
} |
512
|
|
|
} |
513
|
|
|
|