390 lines
13 KiB
PHP
390 lines
13 KiB
PHP
<?php
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abstract class WPCOM_JSON_API_Sharing_Button_Endpoint extends WPCOM_JSON_API_Endpoint {
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public static $all_visibilities = array( 'visible', 'hidden' );
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protected $sharing_service;
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protected function setup() {
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$this->sharing_service = new Sharing_Service();
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if ( ! current_user_can( 'manage_options' ) ) {
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return new WP_Error( 'forbidden', 'You do not have the capability to manage sharing buttons for this site', 403 );
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} else if ( ! class_exists( 'Sharing_Service' ) || ! class_exists( 'Sharing_Source' ) ||
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( method_exists( 'Jetpack', 'is_module_active' ) && ! Jetpack::is_module_active( 'sharedaddy' ) ) ) {
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return new WP_Error( 'missing_jetpack_module', 'The Sharing module must be activated in order to use this endpoint', 400 );
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}
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}
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public function format_sharing_button( $button ) {
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$response = array(
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'ID' => $button->get_id(),
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'name' => $button->get_name(),
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'shortname' => $button->shortname,
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'custom' => is_a( $button, 'Share_Custom' ),
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'enabled' => $this->is_button_enabled( $button ),
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);
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if ( $response['enabled'] ) {
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// Status is either "disabled" or the visibility value
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$response['visibility'] = $this->get_button_visibility( $button );
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}
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if ( ! empty( $button->genericon ) ) {
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// Only pre-defined sharing buttons include genericon
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$response['genericon'] = $button->genericon;
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}
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if ( method_exists( $button, 'get_options' ) ) {
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// merge get_options() values into response, primarily to account
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// for custom sharing button values
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foreach ( $button->get_options() as $key => $value ) {
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// Capitalize URL property
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if ( 'url' === strtolower( $key ) ) {
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$key = strtoupper( $key );
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}
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$response[ $key ] = $value;
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}
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}
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return $response;
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}
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public function get_button_visibility( $button ) {
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$services = $this->sharing_service->get_blog_services();
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$visibilities = self::$all_visibilities;
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$button_id = $button->get_id();
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foreach ( $visibilities as $visibility ) {
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if ( isset( $services[ $visibility ][ $button_id ] ) ) {
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return $visibility;
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}
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}
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return false;
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}
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public function is_button_enabled( $button ) {
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return false !== $this->get_button_visibility( $button );
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}
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protected function is_button_input_for_custom( $button ) {
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return ( isset( $button['custom'] ) && $button['custom'] ) ||
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( isset( $button['ID'] ) && 1 === preg_match( '/^custom-/', $button['ID'] ) ) ||
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! empty( $button['name'] ) || ! empty( $button['URL'] ) || ! empty( $button['icon'] );
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}
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protected function validate_button_input( $button, $is_new = false ) {
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if ( ! empty( $button['visibility'] ) && ! in_array( $button['visibility'], self::$all_visibilities ) ) {
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return new WP_Error( 'invalid_visibility', sprintf( 'The visibility field must be one of the following values: %s', implode( ', ', self::$all_visibilities ) ), 400 );
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} else if ( $is_new && empty( $button['URL'] ) ) {
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return new WP_Error( 'invalid_request', 'The URL field is required', 400 );
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} else if ( $is_new && empty( $button['icon'] ) ) {
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return new WP_Error( 'invalid_request', 'The icon field is required', 400 );
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}
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}
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public function create_custom_button( $button ) {
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// Default visibility to 'visible' if enabled
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if ( empty( $button['visibility'] ) && true === $button['enabled'] ) {
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$button['visibility'] = 'visible';
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}
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$updated_service = $this->sharing_service->new_service( $button['name'], $button['URL'], $button['icon'] );
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if ( false !== $updated_service && ( true === $button['enabled'] || ! empty( $button['visibility'] ) ) ) {
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$blog_services = $this->sharing_service->get_blog_services();
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$blog_services[ $button['visibility'] ][ (string) $updated_service->get_id() ] = $updated_service;
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$this->sharing_service->set_blog_services( array_keys( $blog_services['visible'] ), array_keys( $blog_services['hidden'] ) );
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}
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return $updated_service;
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}
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public function update_button( $button_id, $button ) {
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$blog_services = $this->sharing_service->get_blog_services();
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// Find existing button
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$all_buttons = $this->sharing_service->get_all_services_blog();
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if ( ! array_key_exists( $button_id, $all_buttons ) ) {
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// Button doesn't exist
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return new WP_Error( 'not_found', 'The specified sharing button was not found', 404 );
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}
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$updated_service = $all_buttons[ $button_id ];
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$service_id = $updated_service->get_id();
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if ( is_a( $all_buttons[ $button_id ], 'Share_Custom' ) ) {
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// Replace options for existing custom button
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$options = $updated_service->get_options();
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$name = isset( $button['name'] ) ? $button['name'] : $options['name'];
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$url = isset( $button['URL'] ) ? $button['URL'] : $options['url'];
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$icon = isset( $button['icon'] ) ? $button['icon'] : $options['icon'];
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$updated_service = new Share_Custom( $service_id, array( 'name' => $name, 'url' => $url, 'icon' => $icon ) );
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$this->sharing_service->set_service( $button_id, $updated_service );
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}
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// Default visibility to 'visible' if enabled
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if ( empty( $button['visibility'] ) && true === $button['enabled'] ) {
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$button['visibility'] = 'visible';
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} else if ( false === $button['enabled'] ) {
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unset( $button['visibility'] );
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}
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// Update button visibility and enabled status
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$visibility_changed = ( isset( $button['visibility'] ) || true === $button['enabled'] ) && ! array_key_exists( $service_id, $blog_services[ $button['visibility'] ] );
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$is_disabling = false === $button['enabled'];
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if ( $visibility_changed || $is_disabling ) {
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// Remove from all other visibilities
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foreach ( $blog_services as $service_visibility => $services ) {
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if ( $service_visibility !== $button['visibility'] || $is_disabling ) {
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unset( $blog_services[ $service_visibility ][ $service_id ] );
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}
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}
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if ( $visibility_changed ) {
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$blog_services[ $button['visibility'] ][ $service_id ] = $updated_service;
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}
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$this->sharing_service->set_blog_services( array_keys( $blog_services['visible'] ), array_keys( $blog_services['hidden'] ) );
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}
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return $updated_service;
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}
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}
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class WPCOM_JSON_API_Get_Sharing_Buttons_Endpoint extends WPCOM_JSON_API_Sharing_Button_Endpoint {
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// GET /sites/%s/sharing-buttons -> $blog_id
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public function callback( $path = '', $blog_id = 0 ) {
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$args = $this->query_args();
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// Validate request
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$blog_id = $this->api->switch_to_blog_and_validate_user( $this->api->get_blog_id( $blog_id ) );
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if ( is_wp_error( $blog_id ) ) {
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return $blog_id;
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}
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$continue = $this->setup();
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if ( is_wp_error( $continue ) ) {
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return $continue;
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}
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if ( ! empty( $args['visibility'] ) && ! in_array( $args['visibility'], self::$all_visibilities ) ) {
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return new WP_Error( 'invalid_visibility', sprintf( 'The visibility field must be one of the following values: %s', implode( ', ', self::$all_visibilities ) ), 400 );
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}
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// Determine which visibilities to include based on request
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$visibilities = empty( $args['visibility'] ) ? self::$all_visibilities : array( $args['visibility'] );
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// Discover enabled services
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$buttons = array();
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$enabled_services = $this->sharing_service->get_blog_services();
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$all_services = $this->sharing_service->get_all_services_blog();
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// Include buttons of desired visibility
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foreach ( $visibilities as $visibility ) {
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$buttons = array_merge( $buttons, $enabled_services[ $visibility ] );
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}
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// Unless `enabled_only` or `visibility` is specified, append the
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// remaining buttons to the end of the array
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if ( ( ! isset( $args['enabled_only'] ) || ! $args['enabled_only'] ) && empty( $args['visibility'] ) ) {
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foreach ( $all_services as $id => $button ) {
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if ( ! array_key_exists( $id, $buttons ) ) {
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$buttons[ $id ] = $button;
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}
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}
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}
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// Format each button in the response
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$response = array();
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foreach ( $buttons as $button ) {
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$response[] = $this->format_sharing_button( $button );
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}
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return array(
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'found' => count( $response ),
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'sharing_buttons' => $response
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);
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}
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}
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class WPCOM_JSON_API_Get_Sharing_Button_Endpoint extends WPCOM_JSON_API_Sharing_Button_Endpoint {
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// GET /sites/%s/sharing-buttons/%s -> $blog_id, $button_id
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public function callback( $path = '', $blog_id = 0, $button_id = 0 ) {
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// Validate request
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$blog_id = $this->api->switch_to_blog_and_validate_user( $this->api->get_blog_id( $blog_id ) );
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if ( is_wp_error( $blog_id ) ) {
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return $blog_id;
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}
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$continue = $this->setup();
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if ( is_wp_error( $continue ) ) {
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return $continue;
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}
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// Search existing services for button
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$all_buttons = $this->sharing_service->get_all_services_blog();
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if ( ! array_key_exists( $button_id, $all_buttons ) ) {
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return new WP_Error( 'not_found', 'The specified sharing button was not found', 404 );
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} else {
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return $this->format_sharing_button( $all_buttons[ $button_id ] );
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}
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}
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}
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class WPCOM_JSON_API_Update_Sharing_Buttons_Endpoint extends WPCOM_JSON_API_Sharing_Button_Endpoint {
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// POST /sites/%s/sharing-buttons -> $blog_id
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public function callback( $path = '', $blog_id = 0 ) {
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$input = $this->input();
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// Validate request
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$blog_id = $this->api->switch_to_blog_and_validate_user( $this->api->get_blog_id( $blog_id ) );
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if ( is_wp_error( $blog_id ) ) {
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return $blog_id;
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}
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$continue = $this->setup();
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if ( is_wp_error( $continue ) ) {
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return $continue;
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}
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$all_buttons = $this->sharing_service->get_all_services_blog();
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if ( ! isset( $input['sharing_buttons'] ) ) {
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$input['sharing_buttons'] = array();
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}
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// We do a first pass of all buttons to verify that no validation
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// issues exist before continuing to update
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foreach ( $input['sharing_buttons'] as $button ) {
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$button_exists = isset( $button['ID'] ) && array_key_exists( $button['ID'], $all_buttons );
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$is_custom = $this->is_button_input_for_custom( $button );
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// If neither custom nor existing, bail
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if ( ! $button_exists && ! $is_custom ) {
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return new WP_Error( 'not_found', 'The specified sharing button was not found', 404 );
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}
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// Validate input, only testing custom values if the button doesn't
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// already exist
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$validation_error = $this->validate_button_input( $button, ! $button_exists );
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if ( is_wp_error( $validation_error ) ) {
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return $validation_error;
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}
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}
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// Reset all existing buttons
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$this->sharing_service->set_blog_services( array(), array() );
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// Finally, we iterate over each button and update or create
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$success = true;
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$updated = array();
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foreach ( $input['sharing_buttons'] as $button ) {
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$button_exists = isset( $button['ID'] ) && array_key_exists( $button['ID'], $all_buttons );
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if ( $button_exists ) {
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$updated_service = $this->update_button( $button['ID'], $button );
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} else {
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$updated_service = $this->create_custom_button( $button );
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}
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// We'll allow the request to continue if a failure occurred, but
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// log it for the response
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if ( false === $updated_service ) {
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$success = false;
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} else {
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$updated[] = $this->format_sharing_button( $updated_service );
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}
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}
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return array(
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'success' => $success,
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'updated' => $updated
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);
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}
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}
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class WPCOM_JSON_API_Update_Sharing_Button_Endpoint extends WPCOM_JSON_API_Sharing_Button_Endpoint {
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// POST /sites/%s/sharing-buttons/new -> $blog_id
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// POST /sites/%s/sharing-buttons/%s -> $blog_id, $button_id
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public function callback( $path = '', $blog_id = 0, $button_id = 0 ) {
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$new = $this->api->ends_with( $path, '/new' );
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$input = $this->input();
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// Validate request
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$blog_id = $this->api->switch_to_blog_and_validate_user( $this->api->get_blog_id( $blog_id ) );
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if ( is_wp_error( $blog_id ) ) {
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return $blog_id;
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}
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$continue = $this->setup();
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if ( is_wp_error( $continue ) ) {
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return $continue;
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}
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$validation_error = $this->validate_button_input( $input, $new );
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if ( is_wp_error( $validation_error ) ) {
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return $validation_error;
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}
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// Update or create button
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if ( $new ) {
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$updated_service = $this->create_custom_button( $input );
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} else {
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$updated_service = $this->update_button( $button_id, $input );
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}
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if ( false === $updated_service ) {
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return new WP_Error( 'invalid_request', sprintf( 'The sharing button was not %s', $new ? 'created' : 'updated' ), 400 );
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} else if ( is_wp_error( $updated_service ) ) {
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return $updated_service;
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} else {
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return $this->format_sharing_button( $updated_service );
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}
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}
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}
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class WPCOM_JSON_API_Delete_Sharing_Button_Endpoint extends WPCOM_JSON_API_Sharing_Button_Endpoint {
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// POST /sites/%s/sharing-buttons/%s/delete -> $blog_id, $button_id
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public function callback( $path = '', $blog_id = 0, $button_id = 0 ) {
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// Validate request
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$blog_id = $this->api->switch_to_blog_and_validate_user( $this->api->get_blog_id( $blog_id ) );
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if ( is_wp_error( $blog_id ) ) {
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return $blog_id;
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}
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$continue = $this->setup();
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if ( is_wp_error( $continue ) ) {
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return $continue;
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}
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// Find existing button
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$all_buttons = $this->sharing_service->get_all_services_blog();
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if ( ! array_key_exists( $button_id, $all_buttons ) ) {
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// Button doesn't exist
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return new WP_Error( 'not_found', 'The specified sharing button was not found', 404 );
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}
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// Verify button is custom
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if ( ! is_a( $all_buttons[ $button_id ], 'Share_Custom' ) ) {
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return new WP_error( 'invalid_request', 'Only custom sharing buttons can be deleted', 400 );
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}
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$success = $this->sharing_service->delete_service( $button_id );
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return array(
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'ID' => $button_id,
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'success' => $success
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);
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}
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}
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