array() );
function __construct() {
$widget_ops = array(
'classname' => 'widget_blog_subscription jetpack_subscription_widget',
'description' => __( 'Add an email signup form to allow people to subscribe to your blog.', 'jetpack' ),
'customize_selective_refresh' => true,
);
$name = self::is_jetpack() ?
/** This filter is documented in modules/widgets/facebook-likebox.php */
apply_filters( 'jetpack_widget_name', __( 'Blog Subscriptions', 'jetpack' ) ) :
__( 'Follow Blog', 'jetpack' );
parent::__construct(
'blog_subscription',
$name,
$widget_ops
);
if ( self::is_jetpack() &&
(
is_active_widget( false, false, $this->id_base ) ||
is_active_widget( false, false, 'monster' ) ||
is_customize_preview()
)
) {
add_action( 'wp_enqueue_scripts', array( $this, 'enqueue_style' ) );
}
}
/**
* Enqueue the form's CSS.
*
* @since 4.5.0
*/
function enqueue_style() {
wp_register_style(
'jetpack-subscriptions',
plugins_url( 'subscriptions.css', __FILE__ ),
array(),
JETPACK__VERSION
);
wp_enqueue_style( 'jetpack-subscriptions' );
}
/**
* Renders a full widget either within the context of WordPress widget, or in response to a shortcode.
*
* @param array $args Display arguments including 'before_title', 'after_title', 'before_widget', and 'after_widget'.
* @param array $instance The settings for the particular instance of the widget.
*/
function widget( $args, $instance ) {
if ( self::is_jetpack() &&
/** This filter is documented in modules/contact-form/grunion-contact-form.php */
false === apply_filters( 'jetpack_auto_fill_logged_in_user', false )
) {
$subscribe_email = '';
} else {
$current_user = wp_get_current_user();
if ( ! empty( $current_user->user_email ) ) {
$subscribe_email = esc_attr( $current_user->user_email );
} else {
$subscribe_email = '';
}
}
$stats_action = self::is_jetpack() ? 'jetpack_subscriptions' : 'follow_blog';
/** This action is documented in modules/widgets/gravatar-profile.php */
do_action( 'jetpack_stats_extra', 'widget_view', $stats_action );
$after_widget = isset( $args['after_widget'] ) ? $args['after_widget'] : '';
$before_widget = isset( $args['before_widget'] ) ? $args['before_widget'] : '';
$instance = wp_parse_args( (array) $instance, $this->defaults() );
echo $before_widget;
Jetpack_Subscriptions_Widget::$instance_count ++;
self::render_widget_title( $args, $instance );
self::render_widget_status_messages( $instance );
if ( self::is_current_user_subscribed() ) {
self::render_widget_already_subscribed( $instance );
} else {
self::render_widget_subscription_form( $args, $instance, $subscribe_email );
}
echo "\n" . $after_widget;
}
/**
* Prints the widget's title. If show_only_email_and_button is true, we will not show a title.
*
* @param array $args Display arguments including 'before_title', 'after_title', 'before_widget', and 'after_widget'.
* @param array $instance The settings for the particular instance of the widget.
*/
static function render_widget_title( $args, $instance ) {
$show_only_email_and_button = $instance['show_only_email_and_button'];
$before_title = isset( $args['before_title'] ) ? $args['before_title'] : '';
$after_title = isset( $args['after_title'] ) ? $args['after_title'] : '';
if ( self::is_wpcom() && ! $show_only_email_and_button ) {
if ( self::is_current_user_subscribed() ) {
if ( ! empty( $instance['title_following'] ) ) {
echo $before_title . '' . $after_title . "\n";
}
} else {
if ( ! empty( $instance['title'] ) ) {
echo $before_title . '' . $after_title . "\n";
}
}
}
if ( self::is_jetpack() && empty( $instance['show_only_email_and_button'] ) ) {
echo $args['before_title'] . esc_attr( $instance['title'] ) . $args['after_title'] . "\n";
}
}
/**
* Prints the subscription block's status messages after someone has attempted to subscribe.
* Either a success message or an error message.
*
* @param array $instance The settings for the particular instance of the widget.
*/
static function render_widget_status_messages( $instance ) {
if ( self::is_jetpack() && isset( $_GET['subscribe'] ) ) {
$success_message = isset( $instance['success_message'] ) ? stripslashes( $instance['success_message'] ) : '';
$subscribers_total = self::fetch_subscriber_count();
switch ( $_GET['subscribe'] ) :
case 'invalid_email' : ?>
You can manage your preferences at subscribe.wordpress.com', 'jetpack' ),
'https://subscribe.wordpress.com/',
__( 'Manage your email preferences.', 'jetpack' )
); ?>
You can manage your preferences at subscribe.wordpress.com', 'jetpack' ),
'https://subscribe.wordpress.com/',
__( 'Manage your email preferences.', 'jetpack' )
); ?>
";
_e( 'Thanks for subscribing! You’ll get an email with a link to confirm your subscription. If you don’t get it, please contact us.' );
echo "";
break;
case 'blocked':
echo "
";
_e( 'Subscriptions have been blocked for this email address.' );
echo "
";
break;
case 'flooded':
echo "
";
_e( 'You already have several pending email subscriptions. Approve or delete a few through your Subscription Manager before attempting to subscribe to more blogs.' );
echo "
";
break;
case 'spammed':
echo "
";
echo wp_kses_post( sprintf( __( 'Because there are many pending subscriptions for this email address, we have blocked the subscription. Please activate or delete pending subscriptions before attempting to subscribe.' ), 'https://subscribe.wordpress.com/' ) );
echo "
";
break;
case 'subscribed':
echo "
";
_e( 'You’re already subscribed to this site.' );
echo "
";
break;
case 'pending':
echo "
";
_e( 'You have a pending subscription already; we just sent you another email. Click the link or contact us if you don’t receive it.' );
echo "
";
break;
case 'confirmed':
echo "
";
_e( 'Congrats, you’re subscribed! You’ll get an email with the details of your subscription and an unsubscribe link.' );
echo "
";
break;
}
}
}
/**
* Renders a message to folks who are already subscribed.
*
* @param array $instance The settings for the particular instance of the widget.
*
* @return void
*/
static function render_widget_already_subscribed( $instance ) {
if ( self::is_wpcom() ) {
$subscribers_total = self::fetch_subscriber_count();
$edit_subs_url = 'https://wordpress.com/following/edit/';
if ( function_exists( 'localized_wpcom_url' ) ) {
$edit_subs_url = localized_wpcom_url( http() . '://wordpress.com/following/edit/', get_user_locale() );
}
$show_subscribers_total = (bool) $instance['show_subscribers_total'];
if ( $show_subscribers_total && $subscribers_total > 1 ) :
$subscribers_not_me = $subscribers_total - 1;
/* translators: %s: number of folks following the blog */
?>
manage).', 'You are following this blog, along with %s other amazing people (manage).', $subscribers_not_me ), number_format_i18n( $subscribers_not_me ), $edit_subs_url ) ?>
manage).' ), $edit_subs_url ) ?>
JETPACK_MASTER_USER, ) );
$xml->query( 'jetpack.fetchSubscriberCount' );
if ( $xml->isError() ) { // if we get an error from .com, set the status to failed so that we will try again next time the data is requested
$subs_count = array(
'status' => 'failed',
'code' => $xml->getErrorCode(),
'message' => $xml->getErrorMessage(),
'value' => ( isset( $subs_count['value'] ) ) ? $subs_count['value'] : 0,
);
} else {
$subs_count = array(
'status' => 'success',
'value' => $xml->getResponse(),
);
}
set_transient( 'wpcom_subscribers_total', $subs_count, 3600 ); // try to cache the result for at least 1 hour
}
}
if ( self::is_wpcom() && function_exists( 'wpcom_reach_total_for_blog' ) ) {
$subs_count = wpcom_reach_total_for_blog();
}
return $subs_count;
}
/**
* Updates a particular instance of a widget when someone saves it in wp-admin.
*
* @param array $new_instance
* @param array $old_instance
*
* @return array
*/
function update( $new_instance, $old_instance ) {
$instance = $old_instance;
if ( self::is_jetpack() ) {
$instance['title'] = wp_kses( stripslashes( $new_instance['title'] ), array() );
$instance['subscribe_placeholder'] = wp_kses( stripslashes( $new_instance['subscribe_placeholder'] ), array() );
$instance['subscribe_button'] = wp_kses( stripslashes( $new_instance['subscribe_button'] ), array() );
$instance['success_message'] = wp_kses( stripslashes( $new_instance['success_message'] ), array() );
}
if ( self::is_wpcom() ) {
$instance['title'] = strip_tags( stripslashes( $new_instance['title'] ) );
$instance['title_following'] = strip_tags( stripslashes( $new_instance['title_following'] ) );
$instance['subscribe_logged_in'] = wp_filter_post_kses( stripslashes( $new_instance['subscribe_logged_in'] ) );
$instance['subscribe_button'] = strip_tags( stripslashes( $new_instance['subscribe_button'] ) );
}
$instance['show_subscribers_total'] = isset( $new_instance['show_subscribers_total'] ) && $new_instance['show_subscribers_total'];
$instance['show_only_email_and_button'] = isset( $new_instance['show_only_email_and_button'] ) && $new_instance['show_only_email_and_button'];
$instance['subscribe_text'] = wp_filter_post_kses( stripslashes( $new_instance['subscribe_text'] ) );
return $instance;
}
/**
* The default args for rendering a subscription form.
*
* @return array
*/
static function defaults() {
$defaults = array(
'show_subscribers_total' => true,
'show_only_email_and_button' => false
);
if ( self::is_jetpack() ) {
$defaults['title'] = esc_html__( 'Subscribe to Blog via Email', 'jetpack' );
$defaults['subscribe_text'] = esc_html__( 'Enter your email address to subscribe to this blog and receive notifications of new posts by email.', 'jetpack' );
$defaults['subscribe_placeholder'] = esc_html__( 'Email Address', 'jetpack' );
$defaults['subscribe_button'] = esc_html__( 'Subscribe', 'jetpack' );
$defaults['success_message'] = esc_html__( "Success! An email was just sent to confirm your subscription. Please find the email now and click 'Confirm Follow' to start subscribing.", 'jetpack' );
}
if ( self::is_wpcom() ) {
$defaults['title'] = __( 'Follow Blog via Email' );
$defaults['title_following'] = __( 'You are following this blog' );
$defaults['subscribe_text'] = __( 'Enter your email address to follow this blog and receive notifications of new posts by email.' );
$defaults['subscribe_button'] = __( 'Follow' );
$defaults['subscribe_logged_in'] = __( 'Click to follow this blog and receive notifications of new posts by email.' );
}
return $defaults;
}
/**
* Renders the widget's options form in wp-admin.
*
* @param array $instance
*/
function form( $instance ) {
$instance = wp_parse_args( (array) $instance, $this->defaults() );
$show_subscribers_total = checked( $instance['show_subscribers_total'], true, false );
if ( self::is_wpcom() ) {
$title = esc_attr( stripslashes( $instance['title'] ) );
$title_following = esc_attr( stripslashes( $instance['title_following'] ) );
$subscribe_text = esc_attr( stripslashes( $instance['subscribe_text'] ) );
$subscribe_logged_in = esc_attr( stripslashes( $instance['subscribe_logged_in'] ) );
$subscribe_button = esc_attr( stripslashes( $instance['subscribe_button'] ) );
$subscribers_total = self::fetch_subscriber_count();
}
if ( self::is_jetpack() ) {
$title = stripslashes( $instance['title'] );
$subscribe_text = stripslashes( $instance['subscribe_text'] );
$subscribe_placeholder = stripslashes( $instance['subscribe_placeholder'] );
$subscribe_button = stripslashes( $instance['subscribe_button'] );
$success_message = stripslashes( $instance['success_message'] );
$subs_fetch = self::fetch_subscriber_count();
if ( 'failed' == $subs_fetch['status'] ) {
printf( '