| @@ -1,0 +1,70 @@ | ||
| 1 | +<?php | |
| 2 | +/** | |
| 3 | + * Paywall Block. | |
| 4 | + * | |
| 5 | + * @since 12.5 | |
| 6 | + * | |
| 7 | + * @package automattic/jetpack | |
| 8 | + */ | |
| 9 | + | |
| 10 | +namespace Automattic\Jetpack\Extensions\Paywall; | |
| 11 | + | |
| 12 | +use Automattic\Jetpack\Blocks; | |
| 13 | + | |
| 14 | +if ( ! defined( 'ABSPATH' ) ) { | |
| 15 | + exit( 0 ); | |
| 16 | +} | |
| 17 | + | |
| 18 | +const FEATURE_NAME = 'paywall'; | |
| 19 | +const BLOCK_NAME = 'jetpack/' . FEATURE_NAME; | |
| 20 | +const BLOCK_HTML = '<!-- wp:' . BLOCK_NAME . ' /-->'; | |
| 21 | +const THE_EXCERPT_BLOCK = '[[[[[' . BLOCK_NAME . ']]]]]'; | |
| 22 | + | |
| 23 | +/** | |
| 24 | + * Registers the block for use in Gutenberg | |
| 25 | + * This is done via an action so that we can disable | |
| 26 | + * registration if we need to. | |
| 27 | + */ | |
| 28 | +function register_block() { | |
| 29 | + if ( ! \Jetpack::is_module_active( 'subscriptions' ) ) { | |
| 30 | + return; | |
| 31 | + } | |
| 32 | + if ( ! class_exists( '\Jetpack_Memberships' ) ) { | |
| 33 | + return; | |
| 34 | + } | |
| 35 | + | |
| 36 | + Blocks::jetpack_register_block( | |
| 37 | + __DIR__, | |
| 38 | + array( | |
| 39 | + 'render_callback' => __NAMESPACE__ . '\render_block', | |
| 40 | + ) | |
| 41 | + ); | |
| 42 | +} | |
| 43 | +add_action( 'init', __NAMESPACE__ . '\register_block' ); | |
| 44 | + | |
| 45 | +/** | |
| 46 | + * Paywall block render callback. | |
| 47 | + * | |
| 48 | + * @return string | |
| 49 | + */ | |
| 50 | +function render_block() { | |
| 51 | + if ( doing_filter( 'get_the_excerpt' ) ) { | |
| 52 | + if ( \Jetpack_Memberships::user_can_view_post() ) { | |
| 53 | + return ''; | |
| 54 | + } | |
| 55 | + return THE_EXCERPT_BLOCK; | |
| 56 | + } | |
| 57 | + return ''; | |
| 58 | +} | |
| 59 | + | |
| 60 | +/** | |
| 61 | + * Adds the Paywall block to excerpt allowed blocks. | |
| 62 | + * | |
| 63 | + * @param array $allowed_blocks The allowed blocks. | |
| 64 | + * | |
| 65 | + * @return array The allowed blocks. | |
| 66 | + */ | |
| 67 | +function excerpt_allowed_blocks( $allowed_blocks ) { | |
| 68 | + return array_merge( $allowed_blocks, array( Blocks::get_block_name( __DIR__ ) ) ); | |
| 69 | +} | |
| 70 | +add_filter( 'excerpt_allowed_blocks', __NAMESPACE__ . '\excerpt_allowed_blocks' ); | |