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<?php |
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/** |
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* Paywall Block. |
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* |
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* @since 12.5 |
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* |
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* @package automattic/jetpack |
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*/ |
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|
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namespace Automattic\Jetpack\Extensions\Paywall; |
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|
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use Automattic\Jetpack\Blocks; |
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|
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if ( ! defined( 'ABSPATH' ) ) { |
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exit( 0 ); |
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} |
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|
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const FEATURE_NAME = 'paywall'; |
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const BLOCK_NAME = 'jetpack/' . FEATURE_NAME; |
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const BLOCK_HTML = '<!-- wp:' . BLOCK_NAME . ' /-->'; |
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const THE_EXCERPT_BLOCK = '[[[[[' . BLOCK_NAME . ']]]]]'; |
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|
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/** |
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* Registers the block for use in Gutenberg |
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* This is done via an action so that we can disable |
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* registration if we need to. |
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*/ |
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function register_block() { |
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if ( ! \Jetpack::is_module_active( 'subscriptions' ) ) { |
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return; |
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} |
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if ( ! class_exists( '\Jetpack_Memberships' ) ) { |
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return; |
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} |
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|
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Blocks::jetpack_register_block( |
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__DIR__, |
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array( |
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'render_callback' => __NAMESPACE__ . '\render_block', |
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) |
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); |
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} |
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add_action( 'init', __NAMESPACE__ . '\register_block' ); |
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|
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/** |
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* Paywall block render callback. |
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* |
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* @return string |
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*/ |
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function render_block() { |
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if ( doing_filter( 'get_the_excerpt' ) ) { |
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if ( \Jetpack_Memberships::user_can_view_post() ) { |
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return ''; |
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} |
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return THE_EXCERPT_BLOCK; |
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} |
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return ''; |
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} |
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|
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/** |
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* Adds the Paywall block to excerpt allowed blocks. |
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* |
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* @param array $allowed_blocks The allowed blocks. |
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* |
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* @return array The allowed blocks. |
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*/ |
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function excerpt_allowed_blocks( $allowed_blocks ) { |
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return array_merge( $allowed_blocks, array( Blocks::get_block_name( __DIR__ ) ) ); |
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} |
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add_filter( 'excerpt_allowed_blocks', __NAMESPACE__ . '\excerpt_allowed_blocks' ); |
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|
