Sync Calypso locale to Atomic Classic & Atomic Default (#39009)

* Sync locale on Atomic Classic

* changelog

* Update versions

* Revert "Sync locale on Atomic Classic"

This reverts commit 9a79265.

* Extract locale sync logic

* changelog

* Bump versions

* Fix phan errors

* Remove return type

* Add guard clause

* Revert version bump in masterbar

* Revert jetpack change

* Update composer.lock

* Change the directory name

* Load wpcom-profile-settings only for wpcom users

* Update composer.lock

* Remove locale sync from Masterbar package

* changelog

* Bump versions

projects/packages/jetpack-mu-wpcom/changelog/update-sync-locale

@@ -0,0 +1,4 @@
+Significance: minor
+Type: added
+
+Sync Calypso locale to Atomic Classic

projects/packages/jetpack-mu-wpcom/src/class-jetpack-mu-wpcom.php

@@ -109,8 +109,6 @@ public static function load_features() {
 		require_once __DIR__ . '/features/wpcom-block-editor/class-jetpack-wpcom-block-editor.php';
 		require_once __DIR__ . '/features/wpcom-block-editor/functions.editor-type.php';
 		require_once __DIR__ . '/features/wpcom-logout/wpcom-logout.php';
-		require_once __DIR__ . '/features/wpcom-profile-settings/profile-settings-link-to-wpcom.php';
-		require_once __DIR__ . '/features/wpcom-profile-settings/profile-settings-notices.php';
 		require_once __DIR__ . '/features/wpcom-themes/wpcom-theme-fixes.php';
 
 		// Initializers, if needed.
@@ -143,7 +141,10 @@ public static function load_wpcom_user_features() {
 		require_once __DIR__ . '/features/wpcom-admin-interface/wpcom-admin-interface.php';
 		require_once __DIR__ . '/features/wpcom-admin-menu/wpcom-admin-menu.php';
 		require_once __DIR__ . '/features/wpcom-command-palette/wpcom-command-palette.php';
+		require_once __DIR__ . '/features/wpcom-locale/sync-locale-from-calypso-to-atomic.php';
 		require_once __DIR__ . '/features/wpcom-plugins/wpcom-plugins.php';
+		require_once __DIR__ . '/features/wpcom-profile-settings/profile-settings-link-to-wpcom.php';
+		require_once __DIR__ . '/features/wpcom-profile-settings/profile-settings-notices.php';
 		require_once __DIR__ . '/features/wpcom-sidebar-notice/wpcom-sidebar-notice.php';
 		require_once __DIR__ . '/features/wpcom-site-management-widget/class-wpcom-site-management-widget.php';
 		require_once __DIR__ . '/features/wpcom-themes/wpcom-themes.php';

projects/packages/jetpack-mu-wpcom/src/features/wpcom-locale/sync-locale-from-calypso-to-atomic.php

@@ -0,0 +1,110 @@
+<?php
+/**
+ * Sync locale from Calypso to Atomic sites.
+ *
+ * @package automattic/jetpack-mu-wpcom
+ */
+
+use Automattic\Jetpack\Connection\Manager as Connection_Manager;
+
+/**
+ * Get Jetpack locale name.
+ *
+ * @param  string $slug Locale slug.
+ * @return string Jetpack locale.
+ */
+function _get_jetpack_locale( $slug = '' ) {
+	if ( ! class_exists( 'GP_Locales' ) ) {
+		if ( defined( 'JETPACK__GLOTPRESS_LOCALES_PATH' ) && file_exists( JETPACK__GLOTPRESS_LOCALES_PATH ) ) {
+			require JETPACK__GLOTPRESS_LOCALES_PATH;
+		}
+	}
+
+	if ( class_exists( 'GP_Locales' ) ) {
+		$jetpack_locale_object = GP_Locales::by_field( 'slug', $slug );
+		if ( $jetpack_locale_object instanceof GP_Locale ) {
+			$jetpack_locale = $jetpack_locale_object->wp_locale ? $jetpack_locale_object->wp_locale : 'en_US';
+		}
+	}
+
+	if ( isset( $jetpack_locale ) ) {
+		return $jetpack_locale;
+	}
+
+	return 'en_US';
+}
+
+/**
+ * Install locale if not yet available.
+ *
+ * @param string $locale The new locale slug.
+ */
+function _install_locale( $locale = '' ) {
+	if ( ! in_array( $locale, get_available_languages(), true )
+		&& ! empty( $locale ) && current_user_can( 'install_languages' ) ) {
+
+		if ( ! function_exists( 'wp_download_language_pack' ) ) {
+			require_once ABSPATH . 'wp-admin/includes/translation-install.php';
+		}
+
+		if ( ! function_exists( 'request_filesystem_credentials' ) ) {
+			require_once ABSPATH . 'wp-admin/includes/file.php';
+		}
+
+		if ( wp_can_install_language_pack() ) {
+			wp_download_language_pack( $locale );
+			load_default_textdomain( $locale );
+		}
+	}
+}
+
+/**
+ * Trigger reloading of all non-default textdomains if the user just changed
+ * their locale on WordPress.com.
+ *
+ * @param string $wpcom_locale The user's detected WordPress.com locale.
+ */
+function _unload_non_default_textdomains_on_wpcom_user_locale_switch( $wpcom_locale ) {
+	$user_switched_locale = get_user_locale() !== $wpcom_locale;
+	if ( ! $user_switched_locale ) {
+		return;
+	}
+
+	global $l10n;
+	$loaded_textdomains      = array_keys( $l10n );
+	$non_default_textdomains = array_diff( $loaded_textdomains, array( 'default' ) );
+	foreach ( $non_default_textdomains as $textdomain ) {
+		// Using $reloadable = true makes sure the correct locale's
+		// translations are loaded just-in-time.
+		unload_textdomain( $textdomain, true );
+	}
+}
+
+/**
+ * Handles the locale setup for Atomic sites.
+ *
+ * @param string $user_locale The user's locale.
+ */
+function wpcom_sync_locale_from_calypso_to_atomic( $user_locale ) {
+	$is_atomic_site = ( new Automattic\Jetpack\Status\Host() )->is_woa_site();
+	if ( ! $is_atomic_site ) {
+		return;
+	}
+
+	$user_id            = get_current_user_id();
+	$connection_manager = new Connection_Manager( 'jetpack' );
+	if ( ! $connection_manager->is_user_connected( $user_id ) ) {
+		return;
+	}
+	$user_data   = $connection_manager->get_connected_user_data( $user_id );
+	$user_locale = $user_data['user_locale'] ?? '';
+
+	$jetpack_locale = _get_jetpack_locale( $user_locale );
+	_install_locale( $jetpack_locale );
+	_unload_non_default_textdomains_on_wpcom_user_locale_switch( $jetpack_locale );
+
+	if ( get_user_option( 'locale', $user_id ) !== $jetpack_locale ) {
+		update_user_option( $user_id, 'locale', $jetpack_locale, true );
+	}
+}
+add_filter( 'init', 'wpcom_sync_locale_from_calypso_to_atomic' );

projects/packages/masterbar/changelog/update-sync-locale

@@ -0,0 +1,4 @@
+Significance: minor
+Type: changed
+
+Remove locale sync 

projects/packages/masterbar/composer.json

@@ -63,7 +63,7 @@
 	"extra": {
 		"autotagger": true,
 		"branch-alias": {
-			"dev-trunk": "0.7.x-dev"
+			"dev-trunk": "0.8.x-dev"
 		},
 		"changelogger": {
 			"link-template": "https://github.com/Automattic/jetpack-masterbar/compare/v${old}...v${new}"

projects/packages/masterbar/package.json

@@ -1,7 +1,7 @@
 {
 	"private": true,
 	"name": "@automattic/jetpack-masterbar",
-	"version": "0.7.1-alpha",
+	"version": "0.8.0-alpha",
 	"description": "The WordPress.com Toolbar feature replaces the default admin bar and offers quick links to the Reader, all your sites, your WordPress.com profile, and notifications.",
 	"homepage": "https://github.com/Automattic/jetpack/tree/HEAD/projects/packages/masterbar/#readme",
 	"bugs": {

projects/packages/masterbar/src/class-main.php

@@ -14,7 +14,7 @@
  */
 class Main {
 
-	const PACKAGE_VERSION = '0.7.1-alpha';
+	const PACKAGE_VERSION = '0.8.0-alpha';
 
 	/**
 	 * Initializer.

projects/packages/masterbar/src/masterbar/class-masterbar.php

@@ -135,13 +135,6 @@ public function __construct() {
 		if ( isset( $this->user_data['use_wp_admin_links'] ) ) {
 			update_user_option( $this->user_id, 'jetpack_admin_menu_link_destination', $this->user_data['use_wp_admin_links'] ? '1' : '0' );
 		}
-		// If Atomic, store and install user locale.
-		if ( $this->site_woa && 'wp-admin' !== get_option( 'wpcom_admin_interface' ) ) {
-			$this->user_locale = $this->get_jetpack_locale( $this->user_locale );
-			$this->install_locale( $this->user_locale );
-			$this->unload_non_default_textdomains_on_wpcom_user_locale_switch( $this->user_locale );
-			update_user_option( $this->user_id, 'locale', $this->user_locale, true );
-		}
 
 		add_action( 'admin_bar_init', array( $this, 'init' ) );
 

projects/plugins/jetpack/changelog/update-sync-locale

@@ -0,0 +1,5 @@
+Significance: patch
+Type: other
+Comment: Updated composer.lock.
+
+

projects/plugins/mu-wpcom-plugin/changelog/update-sync-locale

@@ -0,0 +1,5 @@
+Significance: patch
+Type: changed
+Comment: Updated composer.lock.
+
+

projects/plugins/mu-wpcom-plugin/changelog/update-sync-locale#2

@@ -0,0 +1,5 @@
+Significance: patch
+Type: changed
+Comment: Updated composer.lock.
+
+

projects/plugins/mu-wpcom-plugin/changelog/update-sync-locale#3

@@ -0,0 +1,5 @@
+Significance: patch
+Type: changed
+Comment: Updated composer.lock.
+
+

projects/plugins/wpcomsh/changelog/update-sync-locale

@@ -0,0 +1,5 @@
+Significance: patch
+Type: changed
+Comment: Updated composer.lock.
+
+

projects/plugins/wpcomsh/changelog/update-sync-locale#2

@@ -0,0 +1,5 @@
+Significance: patch
+Type: changed
+Comment: Updated composer.lock.
+
+

projects/plugins/wpcomsh/changelog/update-sync-locale#3

@@ -0,0 +1,5 @@
+Significance: patch
+Type: changed
+Comment: Updated composer.lock.
+
+