| 1 |
<?php |
| 2 |
|
| 3 |
class Jetpack_Subscriptions_Widget extends WP_Widget { |
| 4 |
static $instance_count = 0; |
| 5 |
/** |
| 6 |
* @var array When printing the submit button, what tags are allowed |
| 7 |
*/ |
| 8 |
static $allowed_html_tags_for_submit_button = array( 'br' => array() ); |
| 9 |
|
| 10 |
function __construct() { |
| 11 |
$widget_ops = array( |
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'classname' => 'widget_blog_subscription jetpack_subscription_widget', |
| 13 |
'description' => __( 'Add an email signup form to allow people to subscribe to your blog.', 'jetpack' ), |
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'customize_selective_refresh' => true, |
| 15 |
); |
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|
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$name = self::is_jetpack() ? |
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/** This filter is documented in modules/widgets/facebook-likebox.php */ |
| 19 |
apply_filters( 'jetpack_widget_name', __( 'Blog Subscriptions', 'jetpack' ) ) : |
| 20 |
__( 'Follow Blog', 'jetpack' ); |
| 21 |
|
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parent::__construct( |
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'blog_subscription', |
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$name, |
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$widget_ops |
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); |
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|
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if ( self::is_jetpack() && |
| 29 |
( |
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is_active_widget( false, false, $this->id_base ) || |
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is_active_widget( false, false, 'monster' ) || |
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is_customize_preview() |
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) |
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) { |
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add_action( 'wp_enqueue_scripts', array( $this, 'enqueue_style' ) ); |
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} |
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} |
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|
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/** |
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* Enqueue the form's CSS. |
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* |
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* @since 4.5.0 |
| 43 |
*/ |
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function enqueue_style() { |
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wp_register_style( |
| 46 |
'jetpack-subscriptions', |
| 47 |
plugins_url( 'subscriptions.css', __FILE__ ), |
| 48 |
array(), |
| 49 |
JETPACK__VERSION |
| 50 |
); |
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wp_enqueue_style( 'jetpack-subscriptions' ); |
| 52 |
} |
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|
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/** |
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* Renders a full widget either within the context of WordPress widget, or in response to a shortcode. |
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* |
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* @param array $args Display arguments including 'before_title', 'after_title', 'before_widget', and 'after_widget'. |
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* @param array $instance The settings for the particular instance of the widget. |
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*/ |
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function widget( $args, $instance ) { |
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if ( self::is_jetpack() && |
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/** This filter is documented in modules/contact-form/grunion-contact-form.php */ |
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false === apply_filters( 'jetpack_auto_fill_logged_in_user', false ) |
| 64 |
) { |
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$subscribe_email = ''; |
| 66 |
} else { |
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$current_user = wp_get_current_user(); |
| 68 |
if ( ! empty( $current_user->user_email ) ) { |
| 69 |
$subscribe_email = esc_attr( $current_user->user_email ); |
| 70 |
} else { |
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$subscribe_email = ''; |
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} |
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} |
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|
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$stats_action = self::is_jetpack() ? 'jetpack_subscriptions' : 'follow_blog'; |
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/** This action is documented in modules/widgets/gravatar-profile.php */ |
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do_action( 'jetpack_stats_extra', 'widget_view', $stats_action ); |
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|
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$after_widget = isset( $args['after_widget'] ) ? $args['after_widget'] : ''; |
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$before_widget = isset( $args['before_widget'] ) ? $args['before_widget'] : ''; |
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$instance = wp_parse_args( (array) $instance, $this->defaults() ); |
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|
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echo $before_widget; |
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|
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Jetpack_Subscriptions_Widget::$instance_count ++; |
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|
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self::render_widget_title( $args, $instance ); |
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|
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self::render_widget_status_messages( $instance ); |
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|
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if ( self::is_current_user_subscribed() ) { |
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self::render_widget_already_subscribed( $instance ); |
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} else { |
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self::render_widget_subscription_form( $args, $instance, $subscribe_email ); |
| 95 |
} |
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|
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echo "\n" . $after_widget; |
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} |
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|
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/** |
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* Prints the widget's title. If show_only_email_and_button is true, we will not show a title. |
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* |
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* @param array $args Display arguments including 'before_title', 'after_title', 'before_widget', and 'after_widget'. |
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* @param array $instance The settings for the particular instance of the widget. |
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*/ |
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static function render_widget_title( $args, $instance ) { |
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$show_only_email_and_button = $instance['show_only_email_and_button']; |
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$before_title = isset( $args['before_title'] ) ? $args['before_title'] : ''; |
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$after_title = isset( $args['after_title'] ) ? $args['after_title'] : ''; |
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if ( self::is_wpcom() && ! $show_only_email_and_button ) { |
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if ( self::is_current_user_subscribed() ) { |
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if ( ! empty( $instance['title_following'] ) ) { |
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echo $before_title . '<label for="subscribe-field' . ( Jetpack_Subscriptions_Widget::$instance_count > 1 ? '-' . Jetpack_Subscriptions_Widget::$instance_count : '' ) . '">' . esc_attr( $instance['title_following'] ) . '</label>' . $after_title . "\n"; |
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} |
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} else { |
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if ( ! empty( $instance['title'] ) ) { |
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echo $before_title . '<label for="subscribe-field' . ( Jetpack_Subscriptions_Widget::$instance_count > 1 ? '-' . Jetpack_Subscriptions_Widget::$instance_count : '' ) . '">' . esc_attr( $instance['title'] ) . '</label>' . $after_title . "\n"; |
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} |
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} |
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} |
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|
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if ( self::is_jetpack() && empty( $instance['show_only_email_and_button'] ) ) { |
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echo $args['before_title'] . esc_attr( $instance['title'] ) . $args['after_title'] . "\n"; |
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} |
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} |
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|
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/** |
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* Prints the subscription block's status messages after someone has attempted to subscribe. |
| 129 |
* Either a success message or an error message. |
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* |
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* @param array $instance The settings for the particular instance of the widget. |
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*/ |
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static function render_widget_status_messages( $instance ) { |
| 134 |
if ( self::is_jetpack() && isset( $_GET['subscribe'] ) ) { |
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$success_message = isset( $instance['success_message'] ) ? stripslashes( $instance['success_message'] ) : ''; |
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$subscribers_total = self::fetch_subscriber_count(); |
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switch ( $_GET['subscribe'] ) : |
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case 'invalid_email' : ?> |
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<p class="error"><?php esc_html_e( 'The email you entered was invalid. Please check and try again.', 'jetpack' ); ?></p> |
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<?php break; |
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case 'opted_out' : ?> |
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<p class="error"><?php printf( __( 'The email address has opted out of subscription emails. <br /> You can manage your preferences at <a href="%1$s" title="%2$s" target="_blank">subscribe.wordpress.com</a>', 'jetpack' ), |
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'https://subscribe.wordpress.com/', |
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__( 'Manage your email preferences.', 'jetpack' ) |
| 145 |
); ?></p> |
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<?php break; |
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case 'already' : ?> |
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<p class="error"><?php printf( __( 'You have already subscribed to this site. Please check your inbox. <br /> You can manage your preferences at <a href="%1$s" title="%2$s" target="_blank">subscribe.wordpress.com</a>', 'jetpack' ), |
| 149 |
'https://subscribe.wordpress.com/', |
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__( 'Manage your email preferences.', 'jetpack' ) |
| 151 |
); ?></p> |
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<?php break; |
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case 'success' : ?> |
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<div class="success"><?php echo wpautop( str_replace( '[total-subscribers]', number_format_i18n( $subscribers_total['value'] ), $success_message ) ); ?></div> |
| 155 |
<?php break; |
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default : ?> |
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<p class="error"><?php esc_html_e( 'There was an error when subscribing. Please try again.', 'jetpack' ); ?></p> |
| 158 |
<?php break; |
| 159 |
endswitch; |
| 160 |
} |
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|
| 162 |
if ( self::is_wpcom() && self::wpcom_has_status_message() ) { |
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global $themecolors; |
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switch ( $_GET['blogsub'] ) { |
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case 'confirming': |
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echo "<div style='background-color: #{$themecolors['bg']}; border: 1px solid #{$themecolors['border']}; color: #{$themecolors['text']}; padding-left: 5px; padding-right: 5px; margin-bottom: 10px;'>"; |
| 167 |
_e( 'Thanks for subscribing! You’ll get an email with a link to confirm your subscription. If you don’t get it, please <a href="https://en.support.wordpress.com/contact/">contact us</a>.' ); |
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echo "</div>"; |
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break; |
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case 'blocked': |
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echo "<div style='background-color: #{$themecolors['bg']}; border: 1px solid #{$themecolors['border']}; color: #{$themecolors['text']}; padding-left: 5px; padding-right: 5px; margin-bottom: 10px;'>"; |
| 172 |
_e( 'Subscriptions have been blocked for this email address.' ); |
| 173 |
echo "</div>"; |
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break; |
| 175 |
case 'flooded': |
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echo "<div style='background-color: #{$themecolors['bg']}; border: 1px solid #{$themecolors['border']}; color: #{$themecolors['text']}; padding-left: 5px; padding-right: 5px; margin-bottom: 10px;'>"; |
| 177 |
_e( 'You already have several pending email subscriptions. Approve or delete a few through your <a href="https://subscribe.wordpress.com/">Subscription Manager</a> before attempting to subscribe to more blogs.' ); |
| 178 |
echo "</div>"; |
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break; |
| 180 |
case 'spammed': |
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echo "<div style='background-color: #{$themecolors['bg']}; border: 1px solid #{$themecolors['border']}; color: #{$themecolors['text']}; padding-left: 5px; padding-right: 5px; margin-bottom: 10px;'>"; |
| 182 |
echo wp_kses_post( sprintf( __( 'Because there are many pending subscriptions for this email address, we have blocked the subscription. Please <a href="%s">activate or delete</a> pending subscriptions before attempting to subscribe.' ), 'https://subscribe.wordpress.com/' ) ); |
| 183 |
echo "</div>"; |
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break; |
| 185 |
case 'subscribed': |
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echo "<div style='background-color: #{$themecolors['bg']}; border: 1px solid #{$themecolors['border']}; color: #{$themecolors['text']}; padding-left: 5px; padding-right: 5px; margin-bottom: 10px;'>"; |
| 187 |
_e( 'You’re already subscribed to this site.' ); |
| 188 |
echo "</div>"; |
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break; |
| 190 |
case 'pending': |
| 191 |
echo "<div style='background-color: #{$themecolors['bg']}; border: 1px solid #{$themecolors['border']}; color: #{$themecolors['text']}; padding-left: 5px; padding-right: 5px; margin-bottom: 10px;'>"; |
| 192 |
_e( 'You have a pending subscription already; we just sent you another email. Click the link or <a href="https://en.support.wordpress.com/contact/">contact us</a> if you don’t receive it.' ); |
| 193 |
echo "</div>"; |
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break; |
| 195 |
case 'confirmed': |
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echo "<div style='background-color: #{$themecolors['bg']}; border: 1px solid #{$themecolors['border']}; color: #{$themecolors['text']}; padding-left: 5px; padding-right: 5px; margin-bottom: 10px;'>"; |
| 197 |
_e( 'Congrats, you’re subscribed! You’ll get an email with the details of your subscription and an unsubscribe link.' ); |
| 198 |
echo "</div>"; |
| 199 |
break; |
| 200 |
} |
| 201 |
} |
| 202 |
} |
| 203 |
|
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/** |
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* Renders a message to folks who are already subscribed. |
| 206 |
* |
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* @param array $instance The settings for the particular instance of the widget. |
| 208 |
* |
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* @return void |
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*/ |
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static function render_widget_already_subscribed( $instance ) { |
| 212 |
if ( self::is_wpcom() ) { |
| 213 |
$subscribers_total = self::fetch_subscriber_count(); |
| 214 |
$edit_subs_url = 'https://wordpress.com/following/edit/'; |
| 215 |
if ( function_exists( 'localized_wpcom_url' ) ) { |
| 216 |
$edit_subs_url = localized_wpcom_url( http() . '://wordpress.com/following/edit/', get_user_locale() ); |
| 217 |
} |
| 218 |
$show_subscribers_total = (bool) $instance['show_subscribers_total']; |
| 219 |
if ( $show_subscribers_total && $subscribers_total > 1 ) : |
| 220 |
$subscribers_not_me = $subscribers_total - 1; |
| 221 |
/* translators: %s: number of folks following the blog */ |
| 222 |
?> |
| 223 |
<p><?php printf( _n( 'You are following this blog, along with %s other amazing person (<a href="%s">manage</a>).', 'You are following this blog, along with %s other amazing people (<a href="%s">manage</a>).', $subscribers_not_me ), number_format_i18n( $subscribers_not_me ), $edit_subs_url ) ?></p><?php |
| 224 |
else : |
| 225 |
?> |
| 226 |
<p><?php printf( __( 'You are following this blog (<a href="%s">manage</a>).' ), $edit_subs_url ) ?></p><?php |
| 227 |
endif; |
| 228 |
} |
| 229 |
} |
| 230 |
|
| 231 |
/** |
| 232 |
* Renders a form allowing folks to subscribe to the blog. |
| 233 |
* |
| 234 |
* @param array $args Display arguments including 'before_title', 'after_title', 'before_widget', and 'after_widget'. |
| 235 |
* @param array $instance The settings for the particular instance of the widget. |
| 236 |
* @param string $subscribe_email The email to use to prefill the form. |
| 237 |
*/ |
| 238 |
static function render_widget_subscription_form( $args, $instance, $subscribe_email ) { |
| 239 |
$show_only_email_and_button = $instance['show_only_email_and_button']; |
| 240 |
$subscribe_logged_in = isset( $instance['subscribe_logged_in'] ) ? stripslashes( $instance['subscribe_logged_in'] ) : ''; |
| 241 |
$show_subscribers_total = (bool) $instance['show_subscribers_total']; |
| 242 |
$subscribe_text = empty( $instance['show_only_email_and_button'] ) ? |
| 243 |
stripslashes( $instance['subscribe_text'] ) : |
| 244 |
false; |
| 245 |
$referer = ( is_ssl() ? 'https' : 'http' ) . '://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI']; |
| 246 |
$source = 'widget'; |
| 247 |
$widget_id = esc_attr( ! empty( $args['widget_id'] ) ? esc_attr( $args['widget_id'] ) : mt_rand( 450, 550 ) ); |
| 248 |
$subscribe_button = ! empty( $instance['submit_button_text'] ) ? $instance['submit_button_text'] : $instance['subscribe_button']; |
| 249 |
$subscribers_total = self::fetch_subscriber_count(); |
| 250 |
$subscribe_placeholder = isset( $instance['subscribe_placeholder'] ) ? stripslashes( $instance['subscribe_placeholder'] ) : ''; |
| 251 |
$submit_button_classes = isset( $instance['submit_button_classes'] ) ? $instance['submit_button_classes'] : ''; |
| 252 |
$submit_button_styles = isset( $instance['submit_button_styles'] ) ? $instance['submit_button_styles'] : ''; |
| 253 |
|
| 254 |
if ( self::is_wpcom() && ! self::wpcom_has_status_message() ) { |
| 255 |
global $current_blog; |
| 256 |
$url = defined( 'SUBSCRIBE_BLOG_URL' ) ? SUBSCRIBE_BLOG_URL : ''; |
| 257 |
?> |
| 258 |
<form action="<?php echo $url; ?>" method="post" accept-charset="utf-8" |
| 259 |
id="subscribe-blog<?php if ( Jetpack_Subscriptions_Widget::$instance_count > 1 ) { |
| 260 |
echo '-' . Jetpack_Subscriptions_Widget::$instance_count; |
| 261 |
} ?>"> |
| 262 |
<?php if ( is_user_logged_in() ) : ?> |
| 263 |
<?php |
| 264 |
if ( ! $show_only_email_and_button ) { |
| 265 |
echo wpautop( $subscribe_logged_in ); |
| 266 |
} |
| 267 |
if ( $show_subscribers_total && $subscribers_total ) { |
| 268 |
/* translators: %s: number of folks following the blog */ |
| 269 |
echo wpautop( sprintf( _n( 'Join %s other follower', 'Join %s other followers', $subscribers_total ), number_format_i18n( $subscribers_total ) ) ); |
| 270 |
} |
| 271 |
?> |
| 272 |
<?php else : ?> |
| 273 |
<?php |
| 274 |
if ( ! $show_only_email_and_button ) { |
| 275 |
echo wpautop( $subscribe_text ); |
| 276 |
} |
| 277 |
if ( $show_subscribers_total && $subscribers_total ) { |
| 278 |
/* translators: %s: number of folks following the blog */ |
| 279 |
echo wpautop( sprintf( _n( 'Join %s other follower', 'Join %s other followers', $subscribers_total ), number_format_i18n( $subscribers_total ) ) ); |
| 280 |
} |
| 281 |
?> |
| 282 |
<p><input type="text" name="email" style="width: 95%; padding: 1px 2px" |
| 283 |
placeholder="<?php esc_attr_e( 'Enter your email address' ); ?>" value="" |
| 284 |
id="subscribe-field<?php if ( Jetpack_Subscriptions_Widget::$instance_count > 1 ) { |
| 285 |
echo '-' . Jetpack_Subscriptions_Widget::$instance_count; |
| 286 |
} ?>"/></p> |
| 287 |
<?php endif; ?> |
| 288 |
|
| 289 |
<p> |
| 290 |
<input type="hidden" name="action" value="subscribe"/> |
| 291 |
<input type="hidden" name="blog_id" value="<?php echo (int) $current_blog->blog_id; ?>"/> |
| 292 |
<input type="hidden" name="source" value="<?php echo esc_url( $referer ); ?>"/> |
| 293 |
<input type="hidden" name="sub-type" value="<?php echo esc_attr( $source ); ?>"/> |
| 294 |
<input type="hidden" name="redirect_fragment" value="<?php echo esc_attr( $widget_id ); ?>"/> |
| 295 |
<?php wp_nonce_field( 'blogsub_subscribe_' . $current_blog->blog_id, '_wpnonce', false ); ?> |
| 296 |
<button type="submit" |
| 297 |
<?php if ( ! empty( $submit_button_classes ) ) { ?> |
| 298 |
class="<?php echo esc_attr( $submit_button_classes ); ?>" |
| 299 |
<?php }; ?> |
| 300 |
<?php if ( ! empty( $submit_button_styles ) ) { ?> |
| 301 |
style="<?php echo esc_attr( $submit_button_styles ); ?>" |
| 302 |
<?php }; ?> |
| 303 |
> |
| 304 |
<?php |
| 305 |
echo wp_kses( |
| 306 |
$subscribe_button, |
| 307 |
self::$allowed_html_tags_for_submit_button |
| 308 |
); |
| 309 |
?> |
| 310 |
</button> |
| 311 |
</p> |
| 312 |
</form> |
| 313 |
<?php |
| 314 |
} |
| 315 |
|
| 316 |
if ( self::is_jetpack() ) { |
| 317 |
/** |
| 318 |
* Filter the subscription form's ID prefix. |
| 319 |
* |
| 320 |
* @module subscriptions |
| 321 |
* |
| 322 |
* @since 2.7.0 |
| 323 |
* |
| 324 |
* @param string subscribe-field Subscription form field prefix. |
| 325 |
* @param int $widget_id Widget ID. |
| 326 |
*/ |
| 327 |
$subscribe_field_id = apply_filters( 'subscribe_field_id', 'subscribe-field', $widget_id ); |
| 328 |
?> |
| 329 |
<form action="#" method="post" accept-charset="utf-8" id="subscribe-blog-<?php echo $widget_id; ?>"> |
| 330 |
<?php |
| 331 |
if ( $subscribe_text && ( ! isset ( $_GET['subscribe'] ) || 'success' != $_GET['subscribe'] ) ) { |
| 332 |
?> |
| 333 |
<div id="subscribe-text"><?php echo wpautop( str_replace( '[total-subscribers]', number_format_i18n( $subscribers_total['value'] ), $subscribe_text ) ); ?></div><?php |
| 334 |
} |
| 335 |
|
| 336 |
if ( $show_subscribers_total && 0 < $subscribers_total['value'] ) { |
| 337 |
/* translators: %s: number of folks following the blog */ |
| 338 |
echo wpautop( sprintf( _n( 'Join %s other subscriber', 'Join %s other subscribers', $subscribers_total['value'], 'jetpack' ), number_format_i18n( $subscribers_total['value'] ) ) ); |
| 339 |
} |
| 340 |
if ( ! isset ( $_GET['subscribe'] ) || 'success' != $_GET['subscribe'] ) { ?> |
| 341 |
<p id="subscribe-email"> |
| 342 |
<label id="jetpack-subscribe-label" |
| 343 |
class="screen-reader-text" |
| 344 |
for="<?php echo esc_attr( $subscribe_field_id ) . '-' . esc_attr( $widget_id ); ?>"> |
| 345 |
<?php echo ! empty( $subscribe_placeholder ) ? esc_html( $subscribe_placeholder ) : esc_html__( 'Email Address:', 'jetpack' ); ?> |
| 346 |
</label> |
| 347 |
<input type="email" name="email" required="required" class="required" |
| 348 |
value="<?php echo esc_attr( $subscribe_email ); ?>" |
| 349 |
id="<?php echo esc_attr( $subscribe_field_id ) . '-' . esc_attr( $widget_id ); ?>" |
| 350 |
placeholder="<?php echo esc_attr( $subscribe_placeholder ); ?>"/> |
| 351 |
</p> |
| 352 |
|
| 353 |
<p id="subscribe-submit"> |
| 354 |
<input type="hidden" name="action" value="subscribe"/> |
| 355 |
<input type="hidden" name="source" value="<?php echo esc_url( $referer ); ?>"/> |
| 356 |
<input type="hidden" name="sub-type" value="<?php echo esc_attr( $source ); ?>"/> |
| 357 |
<input type="hidden" name="redirect_fragment" value="<?php echo $widget_id; ?>"/> |
| 358 |
<?php |
| 359 |
if ( is_user_logged_in() ) { |
| 360 |
wp_nonce_field( 'blogsub_subscribe_' . get_current_blog_id(), '_wpnonce', false ); |
| 361 |
} |
| 362 |
?> |
| 363 |
<button type="submit" |
| 364 |
<?php if ( ! empty( $submit_button_classes ) ) { ?> |
| 365 |
class="<?php echo esc_attr( $submit_button_classes ); ?>" |
| 366 |
<?php }; ?> |
| 367 |
<?php if ( ! empty( $submit_button_styles ) ) { ?> |
| 368 |
style="<?php echo esc_attr( $submit_button_styles ); ?>" |
| 369 |
<?php }; ?> |
| 370 |
name="jetpack_subscriptions_widget" |
| 371 |
> |
| 372 |
<?php |
| 373 |
echo wp_kses( |
| 374 |
$subscribe_button, |
| 375 |
self::$allowed_html_tags_for_submit_button |
| 376 |
); ?> |
| 377 |
</button> |
| 378 |
</p> |
| 379 |
<?php } ?> |
| 380 |
</form> |
| 381 |
<?php } |
| 382 |
} |
| 383 |
|
| 384 |
/** |
| 385 |
* Determines if the current user is subscribed to the blog. |
| 386 |
* |
| 387 |
* @return bool Is the person already subscribed. |
| 388 |
*/ |
| 389 |
static function is_current_user_subscribed() { |
| 390 |
$subscribed = isset( $_GET['subscribe'] ) && 'success' == $_GET['subscribe']; |
| 391 |
|
| 392 |
if ( self::is_wpcom() && class_exists( 'Blog_Subscription' ) && class_exists( 'Blog_Subscriber' ) ) { |
| 393 |
$subscribed = is_user_logged_in() && Blog_Subscription::is_subscribed( new Blog_Subscriber() ); |
| 394 |
} |
| 395 |
|
| 396 |
return $subscribed; |
| 397 |
} |
| 398 |
|
| 399 |
/** |
| 400 |
* Is this script running in the wordpress.com environment? |
| 401 |
* |
| 402 |
* @return bool |
| 403 |
*/ |
| 404 |
static function is_wpcom() { |
| 405 |
return defined( 'IS_WPCOM' ) && IS_WPCOM; |
| 406 |
} |
| 407 |
|
| 408 |
/** |
| 409 |
* Is this script running in a self-hosted environment? |
| 410 |
* |
| 411 |
* @return bool |
| 412 |
*/ |
| 413 |
static function is_jetpack() { |
| 414 |
return ! self::is_wpcom(); |
| 415 |
} |
| 416 |
|
| 417 |
/** |
| 418 |
* Used to determine if there is a valid status slug within the wordpress.com environment. |
| 419 |
* |
| 420 |
* @return bool |
| 421 |
*/ |
| 422 |
static function wpcom_has_status_message() { |
| 423 |
return isset( $_GET['blogsub'] ) && |
| 424 |
in_array( |
| 425 |
$_GET['blogsub'], |
| 426 |
array( |
| 427 |
'confirming', |
| 428 |
'blocked', |
| 429 |
'flooded', |
| 430 |
'spammed', |
| 431 |
'subscribed', |
| 432 |
'pending', |
| 433 |
'confirmed', |
| 434 |
) |
| 435 |
); |
| 436 |
} |
| 437 |
|
| 438 |
/** |
| 439 |
* Determine the amount of folks currently subscribed to the blog. |
| 440 |
* |
| 441 |
* @return int|array |
| 442 |
*/ |
| 443 |
static function fetch_subscriber_count() { |
| 444 |
$subs_count = 0; |
| 445 |
|
| 446 |
if ( self::is_jetpack() ) { |
| 447 |
$subs_count = get_transient( 'wpcom_subscribers_total' ); |
| 448 |
if ( false === $subs_count || 'failed' == $subs_count['status'] ) { |
| 449 |
$xml = new Jetpack_IXR_Client( array( 'user_id' => JETPACK_MASTER_USER, ) ); |
| 450 |
|
| 451 |
$xml->query( 'jetpack.fetchSubscriberCount' ); |
| 452 |
|
| 453 |
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 |
| 454 |
$subs_count = array( |
| 455 |
'status' => 'failed', |
| 456 |
'code' => $xml->getErrorCode(), |
| 457 |
'message' => $xml->getErrorMessage(), |
| 458 |
'value' => ( isset( $subs_count['value'] ) ) ? $subs_count['value'] : 0, |
| 459 |
); |
| 460 |
} else { |
| 461 |
$subs_count = array( |
| 462 |
'status' => 'success', |
| 463 |
'value' => $xml->getResponse(), |
| 464 |
); |
| 465 |
} |
| 466 |
|
| 467 |
set_transient( 'wpcom_subscribers_total', $subs_count, 3600 ); // try to cache the result for at least 1 hour |
| 468 |
} |
| 469 |
} |
| 470 |
|
| 471 |
if ( self::is_wpcom() && function_exists( 'wpcom_reach_total_for_blog' ) ) { |
| 472 |
$subs_count = wpcom_reach_total_for_blog(); |
| 473 |
} |
| 474 |
|
| 475 |
return $subs_count; |
| 476 |
} |
| 477 |
|
| 478 |
/** |
| 479 |
* Updates a particular instance of a widget when someone saves it in wp-admin. |
| 480 |
* |
| 481 |
* @param array $new_instance |
| 482 |
* @param array $old_instance |
| 483 |
* |
| 484 |
* @return array |
| 485 |
*/ |
| 486 |
function update( $new_instance, $old_instance ) { |
| 487 |
$instance = $old_instance; |
| 488 |
|
| 489 |
if ( self::is_jetpack() ) { |
| 490 |
$instance['title'] = wp_kses( stripslashes( $new_instance['title'] ), array() ); |
| 491 |
$instance['subscribe_placeholder'] = wp_kses( stripslashes( $new_instance['subscribe_placeholder'] ), array() ); |
| 492 |
$instance['subscribe_button'] = wp_kses( stripslashes( $new_instance['subscribe_button'] ), array() ); |
| 493 |
$instance['success_message'] = wp_kses( stripslashes( $new_instance['success_message'] ), array() ); |
| 494 |
} |
| 495 |
|
| 496 |
if ( self::is_wpcom() ) { |
| 497 |
$instance['title'] = strip_tags( stripslashes( $new_instance['title'] ) ); |
| 498 |
$instance['title_following'] = strip_tags( stripslashes( $new_instance['title_following'] ) ); |
| 499 |
$instance['subscribe_logged_in'] = wp_filter_post_kses( stripslashes( $new_instance['subscribe_logged_in'] ) ); |
| 500 |
$instance['subscribe_button'] = strip_tags( stripslashes( $new_instance['subscribe_button'] ) ); |
| 501 |
} |
| 502 |
|
| 503 |
$instance['show_subscribers_total'] = isset( $new_instance['show_subscribers_total'] ) && $new_instance['show_subscribers_total']; |
| 504 |
$instance['show_only_email_and_button'] = isset( $new_instance['show_only_email_and_button'] ) && $new_instance['show_only_email_and_button']; |
| 505 |
$instance['subscribe_text'] = wp_filter_post_kses( stripslashes( $new_instance['subscribe_text'] ) ); |
| 506 |
|
| 507 |
return $instance; |
| 508 |
} |
| 509 |
|
| 510 |
/** |
| 511 |
* The default args for rendering a subscription form. |
| 512 |
* |
| 513 |
* @return array |
| 514 |
*/ |
| 515 |
static function defaults() { |
| 516 |
$defaults = array( |
| 517 |
'show_subscribers_total' => true, |
| 518 |
'show_only_email_and_button' => false |
| 519 |
); |
| 520 |
|
| 521 |
if ( self::is_jetpack() ) { |
| 522 |
$defaults['title'] = esc_html__( 'Subscribe to Blog via Email', 'jetpack' ); |
| 523 |
$defaults['subscribe_text'] = esc_html__( 'Enter your email address to subscribe to this blog and receive notifications of new posts by email.', 'jetpack' ); |
| 524 |
$defaults['subscribe_placeholder'] = esc_html__( 'Email Address', 'jetpack' ); |
| 525 |
$defaults['subscribe_button'] = esc_html__( 'Subscribe', 'jetpack' ); |
| 526 |
$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' ); |
| 527 |
} |
| 528 |
|
| 529 |
if ( self::is_wpcom() ) { |
| 530 |
$defaults['title'] = __( 'Follow Blog via Email' ); |
| 531 |
$defaults['title_following'] = __( 'You are following this blog' ); |
| 532 |
$defaults['subscribe_text'] = __( 'Enter your email address to follow this blog and receive notifications of new posts by email.' ); |
| 533 |
$defaults['subscribe_button'] = __( 'Follow' ); |
| 534 |
$defaults['subscribe_logged_in'] = __( 'Click to follow this blog and receive notifications of new posts by email.' ); |
| 535 |
} |
| 536 |
|
| 537 |
return $defaults; |
| 538 |
} |
| 539 |
|
| 540 |
/** |
| 541 |
* Renders the widget's options form in wp-admin. |
| 542 |
* |
| 543 |
* @param array $instance |
| 544 |
*/ |
| 545 |
function form( $instance ) { |
| 546 |
$instance = wp_parse_args( (array) $instance, $this->defaults() ); |
| 547 |
$show_subscribers_total = checked( $instance['show_subscribers_total'], true, false ); |
| 548 |
|
| 549 |
|
| 550 |
if ( self::is_wpcom() ) { |
| 551 |
$title = esc_attr( stripslashes( $instance['title'] ) ); |
| 552 |
$title_following = esc_attr( stripslashes( $instance['title_following'] ) ); |
| 553 |
$subscribe_text = esc_attr( stripslashes( $instance['subscribe_text'] ) ); |
| 554 |
$subscribe_logged_in = esc_attr( stripslashes( $instance['subscribe_logged_in'] ) ); |
| 555 |
$subscribe_button = esc_attr( stripslashes( $instance['subscribe_button'] ) ); |
| 556 |
$subscribers_total = self::fetch_subscriber_count(); |
| 557 |
} |
| 558 |
|
| 559 |
if ( self::is_jetpack() ) { |
| 560 |
$title = stripslashes( $instance['title'] ); |
| 561 |
$subscribe_text = stripslashes( $instance['subscribe_text'] ); |
| 562 |
$subscribe_placeholder = stripslashes( $instance['subscribe_placeholder'] ); |
| 563 |
$subscribe_button = stripslashes( $instance['subscribe_button'] ); |
| 564 |
$success_message = stripslashes( $instance['success_message'] ); |
| 565 |
$subs_fetch = self::fetch_subscriber_count(); |
| 566 |
if ( 'failed' == $subs_fetch['status'] ) { |
| 567 |
printf( '<div class="error inline"><p>%s: %s</p></div>', esc_html( $subs_fetch['code'] ), esc_html( $subs_fetch['message'] ) ); |
| 568 |
} |
| 569 |
$subscribers_total = number_format_i18n( $subs_fetch['value'] ); |
| 570 |
} |
| 571 |
|
| 572 |
if ( self::is_wpcom() ) : ?> |
| 573 |
<p> |
| 574 |
<label for="<?php echo $this->get_field_id( 'title' ); ?>"> |
| 575 |
<?php _e( 'Widget title for non-followers:' ); ?> |
| 576 |
<input class="widefat" id="<?php echo $this->get_field_id( 'title' ); ?>" |
| 577 |
name="<?php echo $this->get_field_name( 'title' ); ?>" type="text" |
| 578 |
value="<?php echo $title; ?>"/> |
| 579 |
</label> |
| 580 |
</p> |
| 581 |
<p> |
| 582 |
<label for="<?php echo $this->get_field_id( 'title_following' ); ?>"> |
| 583 |
<?php _e( 'Widget title for followers:' ); ?> |
| 584 |
<input class="widefat" id="<?php echo $this->get_field_id( 'title_following' ); ?>" |
| 585 |
name="<?php echo $this->get_field_name( 'title_following' ); ?>" type="text" |
| 586 |
value="<?php echo $title_following; ?>"/> |
| 587 |
</label> |
| 588 |
</p> |
| 589 |
<p> |
| 590 |
<label for="<?php echo $this->get_field_id( 'subscribe_logged_in' ); ?>"> |
| 591 |
<?php _e( 'Optional text to display to logged in WordPress.com users:' ); ?> |
| 592 |
<textarea style="width: 95%" id="<?php echo $this->get_field_id( 'subscribe_logged_in' ); ?>" |
| 593 |
name="<?php echo $this->get_field_name( 'subscribe_logged_in' ); ?>" |
| 594 |
type="text"><?php echo $subscribe_logged_in; ?></textarea> |
| 595 |
</label> |
| 596 |
</p> |
| 597 |
<p> |
| 598 |
<label for="<?php echo $this->get_field_id( 'subscribe_text' ); ?>"> |
| 599 |
<?php _e( 'Optional text to display to non-WordPress.com users:' ); ?> |
| 600 |
<textarea style="width: 95%" id="<?php echo $this->get_field_id( 'subscribe_text' ); ?>" |
| 601 |
name="<?php echo $this->get_field_name( 'subscribe_text' ); ?>" |
| 602 |
type="text"><?php echo $subscribe_text; ?></textarea> |
| 603 |
</label> |
| 604 |
</p> |
| 605 |
<p> |
| 606 |
<label for="<?php echo $this->get_field_id( 'subscribe_button' ); ?>"> |
| 607 |
<?php _e( 'Follow Button Text:' ); ?> |
| 608 |
<input class="widefat" id="<?php echo $this->get_field_id( 'subscribe_button' ); ?>" |
| 609 |
name="<?php echo $this->get_field_name( 'subscribe_button' ); ?>" type="text" |
| 610 |
value="<?php echo $subscribe_button; ?>"/> |
| 611 |
</label> |
| 612 |
</p> |
| 613 |
<p> |
| 614 |
<label for="<?php echo $this->get_field_id( 'show_subscribers_total' ); ?>"> |
| 615 |
<input type="checkbox" id="<?php echo $this->get_field_id( 'show_subscribers_total' ); ?>" |
| 616 |
name="<?php echo $this->get_field_name( 'show_subscribers_total' ); ?>" |
| 617 |
value="1"<?php echo $show_subscribers_total; ?> /> |
| 618 |
<?php echo esc_html( sprintf( _n( 'Show total number of followers? (%s follower)', 'Show total number of followers? (%s followers)', $subscribers_total ), number_format_i18n( $subscribers_total ) ) ); ?> |
| 619 |
</label> |
| 620 |
</p> |
| 621 |
<?php endif; |
| 622 |
|
| 623 |
if ( self::is_jetpack() ) : ?> |
| 624 |
<p> |
| 625 |
<label for="<?php echo $this->get_field_id( 'title' ); ?>"> |
| 626 |
<?php _e( 'Widget title:', 'jetpack' ); ?> |
| 627 |
<input class="widefat" id="<?php echo $this->get_field_id( 'title' ); ?>" |
| 628 |
name="<?php echo $this->get_field_name( 'title' ); ?>" type="text" |
| 629 |
value="<?php echo esc_attr( $title ); ?>"/> |
| 630 |
</label> |
| 631 |
</p> |
| 632 |
<p> |
| 633 |
<label for="<?php echo $this->get_field_id( 'subscribe_text' ); ?>"> |
| 634 |
<?php _e( 'Optional text to display to your readers:', 'jetpack' ); ?> |
| 635 |
<textarea class="widefat" id="<?php echo $this->get_field_id( 'subscribe_text' ); ?>" |
| 636 |
name="<?php echo $this->get_field_name( 'subscribe_text' ); ?>" |
| 637 |
rows="3"><?php echo esc_html( $subscribe_text ); ?></textarea> |
| 638 |
</label> |
| 639 |
</p> |
| 640 |
<p> |
| 641 |
<label for="<?php echo $this->get_field_id( 'subscribe_placeholder' ); ?>"> |
| 642 |
<?php esc_html_e( 'Subscribe Placeholder:', 'jetpack' ); ?> |
| 643 |
<input class="widefat" id="<?php echo $this->get_field_id( 'subscribe_placeholder' ); ?>" |
| 644 |
name="<?php echo $this->get_field_name( 'subscribe_placeholder' ); ?>" type="text" |
| 645 |
value="<?php echo esc_attr( $subscribe_placeholder ); ?>"/> |
| 646 |
</label> |
| 647 |
</p> |
| 648 |
<p> |
| 649 |
<label for="<?php echo $this->get_field_id( 'subscribe_button' ); ?>"> |
| 650 |
<?php _e( 'Subscribe Button:', 'jetpack' ); ?> |
| 651 |
<input class="widefat" id="<?php echo $this->get_field_id( 'subscribe_button' ); ?>" |
| 652 |
name="<?php echo $this->get_field_name( 'subscribe_button' ); ?>" type="text" |
| 653 |
value="<?php echo esc_attr( $subscribe_button ); ?>"/> |
| 654 |
</label> |
| 655 |
</p> |
| 656 |
<p> |
| 657 |
<label for="<?php echo $this->get_field_id( 'success_message' ); ?>"> |
| 658 |
<?php _e( 'Success Message Text:', 'jetpack' ); ?> |
| 659 |
<textarea class="widefat" id="<?php echo $this->get_field_id( 'success_message' ); ?>" |
| 660 |
name="<?php echo $this->get_field_name( 'success_message' ); ?>" |
| 661 |
rows="5"><?php echo esc_html( $success_message ); ?></textarea> |
| 662 |
</label> |
| 663 |
</p> |
| 664 |
<p> |
| 665 |
<label for="<?php echo $this->get_field_id( 'show_subscribers_total' ); ?>"> |
| 666 |
<input type="checkbox" id="<?php echo $this->get_field_id( 'show_subscribers_total' ); ?>" |
| 667 |
name="<?php echo $this->get_field_name( 'show_subscribers_total' ); ?>" |
| 668 |
value="1"<?php echo $show_subscribers_total; ?> /> |
| 669 |
<?php echo esc_html( sprintf( _n( 'Show total number of subscribers? (%s subscriber)', 'Show total number of subscribers? (%s subscribers)', $subscribers_total, 'jetpack' ), $subscribers_total ) ); ?> |
| 670 |
</label> |
| 671 |
</p> |
| 672 |
<?php endif; |
| 673 |
} |
| 674 |
} |
| 675 |
|
| 676 |
if ( defined( 'IS_WPCOM' ) && IS_WPCOM && function_exists( 'class_alias' ) ) { |
| 677 |
class_alias( 'Jetpack_Subscriptions_Widget', 'Blog_Subscription_Widget' ); |
| 678 |
} |
| 679 |
|
| 680 |
function get_jetpack_blog_subscriptions_widget_classname() { |
| 681 |
return ( defined( 'IS_WPCOM' ) && IS_WPCOM ) ? |
| 682 |
'Blog_Subscription_Widget' : |
| 683 |
'Jetpack_Subscriptions_Widget'; |
| 684 |
} |
| 685 |
|
| 686 |
function jetpack_do_subscription_form( $instance ) { |
| 687 |
if ( empty( $instance ) || ! is_array( $instance ) ) { |
| 688 |
$instance = array(); |
| 689 |
} |
| 690 |
|
| 691 |
if ( empty( $instance['show_subscribers_total'] ) || 'false' === $instance['show_subscribers_total'] ) { |
| 692 |
$instance['show_subscribers_total'] = false; |
| 693 |
} else { |
| 694 |
$instance['show_subscribers_total'] = true; |
| 695 |
} |
| 696 |
|
| 697 |
$show_only_email_and_button = isset( $instance['show_only_email_and_button'] ) ? $instance['show_only_email_and_button'] : false; |
| 698 |
$submit_button_text = isset( $instance['submit_button_text'] ) ? $instance['submit_button_text'] : ''; |
| 699 |
|
| 700 |
|
| 701 |
|
| 702 |
// Build up a string with the submit button's classes and styles and set it on the instance |
| 703 |
$submit_button_classes = isset( $instance['submit_button_classes'] ) ? $instance['submit_button_classes'] : ''; |
| 704 |
$submit_button_styles = ''; |
| 705 |
if ( isset( $instance['custom_background_button_color'] ) ) { |
| 706 |
$submit_button_styles .= 'background-color: ' . $instance['custom_background_button_color'] . '; '; |
| 707 |
} |
| 708 |
if ( isset( $instance['custom_text_button_color'] ) ) { |
| 709 |
$submit_button_styles .= 'color: ' . $instance['custom_text_button_color'] . ';'; |
| 710 |
} |
| 711 |
|
| 712 |
$instance = shortcode_atts( |
| 713 |
Jetpack_Subscriptions_Widget::defaults(), |
| 714 |
$instance, |
| 715 |
'jetpack_subscription_form' |
| 716 |
); |
| 717 |
|
| 718 |
// These must come after the call to shortcode_atts() |
| 719 |
$instance['submit_button_text'] = $submit_button_text; |
| 720 |
$instance['show_only_email_and_button'] = $show_only_email_and_button; |
| 721 |
if ( ! empty( $submit_button_classes ) ) { |
| 722 |
$instance['submit_button_classes'] = $submit_button_classes; |
| 723 |
} |
| 724 |
if ( ! empty ( $submit_button_styles ) ) { |
| 725 |
$instance['submit_button_styles'] = $submit_button_styles; |
| 726 |
} |
| 727 |
|
| 728 |
$args = array( |
| 729 |
'before_widget' => '<div class="jetpack_subscription_widget">', |
| 730 |
); |
| 731 |
ob_start(); |
| 732 |
the_widget( get_jetpack_blog_subscriptions_widget_classname(), $instance, $args ); |
| 733 |
$output = ob_get_clean(); |
| 734 |
|
| 735 |
return $output; |
| 736 |
} |
| 737 |
|
| 738 |
add_shortcode( 'jetpack_subscription_form', 'jetpack_do_subscription_form' ); |
| 739 |
add_shortcode( 'blog_subscription_form', 'jetpack_do_subscription_form' ); |
| 740 |
|
| 741 |
function jetpack_blog_subscriptions_init() { |
| 742 |
register_widget( get_jetpack_blog_subscriptions_widget_classname() ); |
| 743 |
} |
| 744 |
|
| 745 |
add_action( 'widgets_init', 'jetpack_blog_subscriptions_init' ); |
| 746 |
|
| 747 |
function jetpack_register_subscriptions_block() { |
| 748 |
if ( class_exists( 'WP_Block_Type_Registry' ) && ! WP_Block_Type_Registry::get_instance()->is_registered( 'jetpack/subscriptions' ) ) { |
| 749 |
jetpack_register_block( 'jetpack/subscriptions' ); |
| 750 |
} |
| 751 |
} |
| 752 |
|
| 753 |
add_action( 'init', 'jetpack_register_subscriptions_block' ); |
| 754 |
|
