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| 1 | <?php |
| 2 | /** |
| 3 | * The "Publish" copy experiment for site launch entry points. |
| 4 | * |
| 5 | * Calypso reads the same experiment, so one user sees the same verb on every surface. |
| 6 | * |
| 7 | * @package automattic/jetpack-mu-wpcom |
| 8 | */ |
| 9 | |
| 10 | use Automattic\Jetpack\Connection\Client; |
| 11 | use Automattic\Jetpack\Connection\Manager as Connection_Manager; |
| 12 | use Automattic\Jetpack\Status\Host; |
| 13 | |
| 14 | require_once __DIR__ . '/../utils.php'; |
| 15 | |
| 16 | if ( ! defined( 'WPCOM_SITE_LAUNCH_PUBLISH_COPY_EXPERIMENT' ) ) { |
| 17 | /** |
| 18 | * The ExPlat experiment. It is registered on the calypso platform, which the server-side assigner |
| 19 | * also accepts. |
| 20 | */ |
| 21 | define( 'WPCOM_SITE_LAUNCH_PUBLISH_COPY_EXPERIMENT', 'calypso_site_launch_publish_copy_202610_v1' ); |
| 22 | } |
| 23 | |
| 24 | if ( ! function_exists( 'wpcom_site_launch_uses_publish_copy' ) ) { |
| 25 | /** |
| 26 | * Whether a site launch entry point says "Publish" instead of "Launch" for the current user. |
| 27 | * |
| 28 | * Call it only where an entry point renders: it assigns the user, and rendering is the exposure. |
| 29 | * Code that runs on most requests, such as the launchpad task titles built on `init`, must use |
| 30 | * wpcom_site_launch_peek_publish_copy() instead. |
| 31 | * |
| 32 | * @return bool |
| 33 | */ |
| 34 | function wpcom_site_launch_uses_publish_copy() { |
| 35 | return wpcom_site_launch_get_publish_copy( true ); |
| 36 | } |
| 37 | } |
| 38 | |
| 39 | if ( ! function_exists( 'wpcom_site_launch_peek_publish_copy' ) ) { |
| 40 | /** |
| 41 | * Like wpcom_site_launch_uses_publish_copy(), but reads an existing assignment without making one. |
| 42 | * |
| 43 | * A user with no assignment yet gets the control. |
| 44 | * |
| 45 | * @return bool |
| 46 | */ |
| 47 | function wpcom_site_launch_peek_publish_copy() { |
| 48 | return wpcom_site_launch_get_publish_copy( false ); |
| 49 | } |
| 50 | } |
| 51 | |
| 52 | if ( ! function_exists( 'wpcom_site_launch_get_publish_copy' ) ) { |
| 53 | /** |
| 54 | * Resolves the experiment arm once per request, blog, and user. |
| 55 | * |
| 56 | * @param bool $assign Whether to assign a user who has no assignment yet. |
| 57 | * @return bool |
| 58 | */ |
| 59 | function wpcom_site_launch_get_publish_copy( $assign ) { |
| 60 | /** |
| 61 | * Overrides the site launch "Publish" copy experiment assignment, for testing. |
| 62 | * |
| 63 | * @param bool|null $override True to force the treatment, false to force control, or null to ask ExPlat. |
| 64 | */ |
| 65 | $override = apply_filters( 'wpcom_site_launch_publish_copy_override_is_treatment', null ); |
| 66 | if ( null !== $override ) { |
| 67 | return (bool) $override; |
| 68 | } |
| 69 | |
| 70 | static $results = array(); |
| 71 | |
| 72 | $key = get_current_blog_id() . ':' . get_current_user_id(); |
| 73 | if ( $assign && ! isset( $results[ $key ]['assign'] ) ) { |
| 74 | $results[ $key ]['assign'] = wpcom_site_launch_resolve_publish_copy( true ); |
| 75 | // A peek later in this request must see the assignment just made. |
| 76 | $results[ $key ]['peek'] = $results[ $key ]['assign']; |
| 77 | } elseif ( ! $assign && ! isset( $results[ $key ]['peek'] ) ) { |
| 78 | $results[ $key ]['peek'] = wpcom_site_launch_resolve_publish_copy( false ); |
| 79 | } |
| 80 | |
| 81 | return $results[ $key ][ $assign ? 'assign' : 'peek' ]; |
| 82 | } |
| 83 | } |
| 84 | |
| 85 | if ( ! function_exists( 'wpcom_site_launch_resolve_publish_copy' ) ) { |
| 86 | /** |
| 87 | * Resolves the experiment arm. Use the cached wrappers above. |
| 88 | * |
| 89 | * Only admins of an unlaunched site are assigned; everyone else gets the control. Agencies launch |
| 90 | * their dev sites through their own flow, so Calypso keeps those out too. |
| 91 | * |
| 92 | * @param bool $assign Whether to assign a user who has no assignment yet. |
| 93 | * @return bool |
| 94 | */ |
| 95 | function wpcom_site_launch_resolve_publish_copy( $assign ) { |
| 96 | if ( ! is_user_logged_in() || ! current_user_can( 'manage_options' ) ) { |
| 97 | return false; |
| 98 | } |
| 99 | |
| 100 | if ( get_option( 'launch-status' ) !== 'unlaunched' ) { |
| 101 | return false; |
| 102 | } |
| 103 | |
| 104 | if ( wpcom_has_blog_sticker( 'a4a-is-dev-site', get_current_blog_id() ) ) { |
| 105 | return false; |
| 106 | } |
| 107 | |
| 108 | $user_id = get_current_user_id(); |
| 109 | $cache_key = 'wpcom-site-launch-publish-copy-' . $user_id . '-' . WPCOM_SITE_LAUNCH_PUBLISH_COPY_EXPERIMENT; |
| 110 | $cached = get_transient( $cache_key ); |
| 111 | if ( false !== $cached ) { |
| 112 | return (bool) $cached; |
| 113 | } |
| 114 | |
| 115 | // ExPlat returns null both for the control and for a failed assignment. On Simple the call is |
| 116 | // local, so a null is not cached. On Atomic it is a request, so any 200 counts as answered and is |
| 117 | // cached, the control included; only a failed request is retried. |
| 118 | $variation = null; |
| 119 | $answered = false; |
| 120 | |
| 121 | if ( ( new Host() )->is_wpcom_simple() ) { |
| 122 | if ( $assign && function_exists( '\ExPlat\assign_current_user' ) ) { |
| 123 | $variation = \ExPlat\assign_current_user( WPCOM_SITE_LAUNCH_PUBLISH_COPY_EXPERIMENT ); |
| 124 | } elseif ( ! $assign && function_exists( '\ExPlat\get_current_user_assignment' ) ) { |
| 125 | // @phan-suppress-next-line PhanUndeclaredFunction -- Defined on WordPress.com, missing from the wpcom stubs. |
| 126 | $variation = \ExPlat\get_current_user_assignment( WPCOM_SITE_LAUNCH_PUBLISH_COPY_EXPERIMENT ); |
| 127 | } |
| 128 | $answered = null !== $variation; |
| 129 | } elseif ( $assign && ( new Connection_Manager( 'jetpack' ) )->is_user_connected() ) { |
| 130 | // The assignments endpoint always assigns, so a peek on Atomic relies on the cache alone. |
| 131 | $response = Client::wpcom_json_api_request_as_user( |
| 132 | add_query_arg( |
| 133 | array( 'experiment_names' => WPCOM_SITE_LAUNCH_PUBLISH_COPY_EXPERIMENT ), |
| 134 | '/experiments/0.1.0/assignments/wpcom' |
| 135 | ), |
| 136 | '2' |
| 137 | ); |
| 138 | |
| 139 | if ( ! is_wp_error( $response ) && 200 === wp_remote_retrieve_response_code( $response ) ) { |
| 140 | $data = json_decode( wp_remote_retrieve_body( $response ), true ); |
| 141 | $variation = $data['variations'][ WPCOM_SITE_LAUNCH_PUBLISH_COPY_EXPERIMENT ] ?? null; |
| 142 | $answered = true; |
| 143 | } |
| 144 | } |
| 145 | |
| 146 | if ( ! $answered ) { |
| 147 | return false; |
| 148 | } |
| 149 | |
| 150 | $is_treatment = 'treatment' === $variation; |
| 151 | set_transient( $cache_key, $is_treatment ? 1 : 0, HOUR_IN_SECONDS ); |
| 152 | |
| 153 | return $is_treatment; |
| 154 | } |
| 155 | } |