<?php

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/**

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* REST API Onboarding Themes Controller

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*

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* Handles requests to install and activate themes.

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*/

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namespace Automattic\WooCommerce\Admin\API;

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defined( 'ABSPATH' ) || exit;

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/**

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* Onboarding Themes Controller.

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*

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* @internal

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* @extends WC_REST_Data_Controller

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*/

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class OnboardingThemes extends \WC_REST_Data_Controller {

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/**

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* Endpoint namespace.

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*

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* @var string

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*/

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protected $namespace = 'wc-admin';

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/**

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* Route base.

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*

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* @var string

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*/

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protected $rest_base = 'onboarding/themes';

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/**

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* Register routes.

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*/

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public function register_routes() {

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register_rest_route(

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$this->namespace,

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'/' . $this->rest_base . '/install',

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array(

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array(

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'methods' => \WP_REST_Server::EDITABLE,

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'callback' => array( $this, 'install_theme' ),

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'permission_callback' => array( $this, 'update_item_permissions_check' ),

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),

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'schema' => array( $this, 'get_item_schema' ),

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)

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);

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register_rest_route(

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$this->namespace,

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'/' . $this->rest_base . '/activate',

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array(

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array(

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'methods' => \WP_REST_Server::EDITABLE,

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'callback' => array( $this, 'activate_theme' ),

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'permission_callback' => array( $this, 'update_item_permissions_check' ),

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),

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'schema' => array( $this, 'get_item_schema' ),

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)

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);

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}

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/**

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* Check if a given request has access to manage themes.

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*

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* @param WP_REST_Request $request Full details about the request.

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* @return WP_Error|boolean

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*/

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public function update_item_permissions_check( $request ) {

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if ( ! current_user_can( 'switch_themes' ) ) {

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return new \WP_Error( 'woocommerce_rest_cannot_update', __( 'Sorry, you cannot manage themes.', 'woocommerce' ), array( 'status' => rest_authorization_required_code() ) );

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}

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return true;

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}

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/**

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* Installs the requested theme.

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*

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* @param WP_REST_Request $request Full details about the request.

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* @return WP_Error|array Theme installation status.

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*/

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public function install_theme( $request ) {

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$theme = sanitize_text_field( $request['theme'] );

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$installed_themes = wp_get_themes();

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if ( in_array( $theme, array_keys( $installed_themes ), true ) ) {

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return( array(

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'slug' => $theme,

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'name' => $installed_themes[ $theme ]->get( 'Name' ),

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'status' => 'success',

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) );

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}

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include_once ABSPATH . '/wp-admin/includes/admin.php';

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include_once ABSPATH . '/wp-admin/includes/theme-install.php';

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include_once ABSPATH . '/wp-admin/includes/theme.php';

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include_once ABSPATH . '/wp-admin/includes/class-wp-upgrader.php';

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include_once ABSPATH . '/wp-admin/includes/class-theme-upgrader.php';

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$api = themes_api(

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'theme_information',

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array(

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'slug' => $theme,

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'fields' => array(

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'sections' => false,

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),

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)

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);

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if ( is_wp_error( $api ) ) {

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return new \WP_Error(

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'woocommerce_rest_theme_install',

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sprintf(

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/* translators: %s: theme slug (example: woocommerce-services) */

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__( 'The requested theme `%s` could not be installed. Theme API call failed.', 'woocommerce' ),

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$theme

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),

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500

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);

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}

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$upgrader = new \Theme_Upgrader( new \Automatic_Upgrader_Skin() );

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$result = $upgrader->install( $api->download_link );

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if ( is_wp_error( $result ) || is_null( $result ) ) {

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return new \WP_Error(

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'woocommerce_rest_theme_install',

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sprintf(

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/* translators: %s: theme slug (example: woocommerce-services) */

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__( 'The requested theme `%s` could not be installed.', 'woocommerce' ),

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$theme

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),

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500

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);

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}

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return array(

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'slug' => $theme,

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'name' => $api->name,

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'status' => 'success',

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);

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}

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/**

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* Activate the requested theme.

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*

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* @param WP_REST_Request $request Full details about the request.

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* @return WP_Error|array Theme activation status.

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*/

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public function activate_theme( $request ) {

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$theme = sanitize_text_field( $request['theme'] );

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require_once ABSPATH . 'wp-admin/includes/theme.php';

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$installed_themes = wp_get_themes();

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if ( ! in_array( $theme, array_keys( $installed_themes ), true ) ) {

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/* translators: %s: theme slug (example: woocommerce-services) */

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return new \WP_Error( 'woocommerce_rest_invalid_theme', sprintf( __( 'Invalid theme %s.', 'woocommerce' ), $theme ), 404 );

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}

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$result = switch_theme( $theme );

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if ( ! is_null( $result ) ) {

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return new \WP_Error( 'woocommerce_rest_invalid_theme', sprintf( __( 'The requested theme could not be activated.', 'woocommerce' ), $theme ), 500 );

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}

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return( array(

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'slug' => $theme,

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'name' => $installed_themes[ $theme ]->get( 'Name' ),

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'status' => 'success',

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) );

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}

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/**

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* Get the schema, conforming to JSON Schema.

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*

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* @return array

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*/

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public function get_item_schema() {

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$schema = array(

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'$schema' => 'http://json-schema.org/draft-04/schema#',

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'title' => 'onboarding_theme',

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'type' => 'object',

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'properties' => array(

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'slug' => array(

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'description' => __( 'Theme slug.', 'woocommerce' ),

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'type' => 'string',

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'context' => array( 'view', 'edit' ),

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'readonly' => true,

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),

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'name' => array(

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'description' => __( 'Theme name.', 'woocommerce' ),

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'type' => 'string',

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'context' => array( 'view', 'edit' ),

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'readonly' => true,

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),

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'status' => array(

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'description' => __( 'Theme status.', 'woocommerce' ),

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'type' => 'string',

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'context' => array( 'view', 'edit' ),

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'readonly' => true,

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),

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),

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);

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return $this->add_additional_fields_schema( $schema );

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}

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}

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