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<?php |
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namespace GeminiLabs\Pollux\MetaBox; |
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use GeminiLabs\Pollux\Helper; |
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use WP_Post; |
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/** |
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* @property Application $app |
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*/ |
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trait Condition |
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{ |
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/** |
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* @return array |
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*/ |
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public static function absolutes() |
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{ |
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$defaults = [ |
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'class_exists', 'defined', 'function_exists', 'hook', 'is_front_page', 'is_home', |
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'is_plugin_active', 'is_plugin_inactive', |
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]; |
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return defined( 'static::ABSOLUTE_CONDITIONS' ) |
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? Helper::toArray( static::ABSOLUTE_CONDITIONS ) |
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: $defaults; |
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} |
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/** |
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* @return array |
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*/ |
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public static function conditions() |
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{ |
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$defaults = [ |
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'class_exists', 'defined', 'function_exists', 'hook', 'is_front_page', 'is_home', |
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'is_page_template', 'is_plugin_active', 'is_plugin_inactive', |
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]; |
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return defined( 'static::CONDITIONS' ) |
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? Helper::toArray( static::CONDITIONS ) |
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: $defaults; |
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} |
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/** |
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* @param string $name |
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* @param mixed ...$args |
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* @return mixed |
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*/ |
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abstract public function filter( $name, ...$args ); |
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/** |
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* @return bool |
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*/ |
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public function validate( array $conditions ) |
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{ |
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array_walk( $conditions, function( &$value, $key ) { |
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$value = $this->isConditionValid( $key, $value ); |
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}); |
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return !in_array( false, $conditions ); |
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} |
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/** |
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* @return int |
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*/ |
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abstract protected function getPostId(); |
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/** |
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* @param string $method |
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* @return bool |
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*/ |
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protected function isAbsoluteConditionValid( $method, array $values ) |
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{ |
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foreach( $values as $value ) { |
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if( $this->$method( $value ))continue; |
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return false; |
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} |
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return true; |
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} |
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/** |
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* @param string $key |
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* @param string|array $values |
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* @return bool |
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*/ |
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protected function isConditionValid( $key, $values ) |
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{ |
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$method = Helper::buildMethodName( $key, 'validate' ); |
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if( !method_exists( $this, $method )) { |
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return $this->validateUnknown( $key, $values ); |
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} |
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$values = Helper::toArray( $values ); |
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return in_array( $key, $this->absolutes() ) |
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? $this->isAbsoluteConditionValid( $method, $values ) |
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: $this->isLooseConditionValid( $method, $values ); |
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} |
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/** |
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* @param string $method |
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* @return bool |
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*/ |
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protected function isLooseConditionValid( $method, array $values ) |
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{ |
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foreach( $values as $value ) { |
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if( !$this->$method( $value ))continue; |
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return true; |
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} |
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return false; |
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} |
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/** |
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* @param mixed $conditions |
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* @return array |
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*/ |
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protected function normalizeCondition( $conditions ) |
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{ |
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if( !is_array( $conditions )) { |
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$conditions = []; |
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} |
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if( count( array_filter( array_keys( $conditions ), 'is_string' )) == 0 ) { |
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foreach( $conditions as $key ) { |
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$conditions[str_replace( '!', '', $key )] = substr( $key, 0, 1 ) == '!' ? 0 : 1; |
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} |
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$conditions = array_filter( $conditions, function( $key ) { |
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return !is_numeric( $key ); |
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}, ARRAY_FILTER_USE_KEY ); |
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} |
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return array_intersect_key( |
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$conditions, |
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array_flip( $this->filter( 'conditions', static::conditions() )) |
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); |
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} |
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/** |
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* @param string $value |
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* @return bool |
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*/ |
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protected function validateClassExists( $value ) |
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{ |
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return class_exists( $value ); |
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} |
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/** |
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* @param string $value |
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* @return bool |
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*/ |
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protected function validateDefined( $value ) |
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{ |
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return defined( $value ); |
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} |
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/** |
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* @param string $value |
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* @return bool |
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*/ |
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protected function validateFunctionExists( $value ) |
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{ |
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return function_exists( $value ); |
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} |
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/** |
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* @param string $value |
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* @return bool |
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*/ |
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protected function validateHook( $value ) |
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{ |
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return apply_filters( $value, true ); |
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} |
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/** |
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* @param bool $value |
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* @return bool |
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*/ |
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protected function validateIsFrontPage( $value ) |
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{ |
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return $value == ( $this->getPostId() == get_option( 'page_on_front' )); |
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} |
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/** |
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* @param bool $value |
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* @return bool |
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*/ |
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protected function validateIsHome( $value ) |
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{ |
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return $value == ( $this->getPostId() == get_option( 'page_for_posts' )); |
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} |
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/** |
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* @param string $value |
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* @return bool |
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*/ |
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protected function validateIsPageTemplate( $value ) |
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{ |
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return Helper::endsWith( $value, basename( get_page_template_slug( $this->getPostId() ))); |
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} |
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/** |
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* @param string $value |
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* @return bool |
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*/ |
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protected function validateIsPluginActive( $value ) |
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{ |
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return $this->app->gatekeeper->isPluginActive( $value ); |
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} |
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/** |
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* @param string $value |
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* @return bool |
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*/ |
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protected function validateIsPluginInactive( $value ) |
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{ |
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return !$this->validateIsPluginActive( $value ); |
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} |
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/** |
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* @param string $key |
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* @param mixed $value |
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* @return bool |
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*/ |
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protected function validateUnknown( $key, $value ) |
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{ |
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return apply_filters( 'pollux/metabox/condition', true, $key, $value ); |
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} |
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} |
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pryley /
pollux
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