<?php // phpcs:ignore WordPress.Files.FileName.InvalidClassFileName

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/**

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* Display a list of upcoming events from a calendar.

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*

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* @package automattic/jetpack

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*/

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if ( ! defined( 'ABSPATH' ) ) {

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exit( 0 );

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}

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/**

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* Register a upcomingevents shortcode.

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* Most of the heavy lifting done in iCalendarReader class,

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* where the icalendar_render_events() function controls the display.

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*/

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class Upcoming_Events_Shortcode {

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/**

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* Register things.

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*/

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public static function init() {

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add_shortcode( 'upcomingevents', array( __CLASS__, 'shortcode' ) );

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}

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/**

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* Register the shortcode.

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*

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* @param array $atts Shortcode attributes.

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*/

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public static function shortcode( $atts = array() ) {

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require_once JETPACK__PLUGIN_DIR . '/_inc/lib/icalendar-reader.php';

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$atts = shortcode_atts(

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array(

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'url' => '',

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'number' => 0,

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),

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$atts,

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'upcomingevents'

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);

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$args = array(

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'context' => 'shortcode',

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'number' => absint( $atts['number'] ),

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);

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if ( empty( $atts['url'] ) ) {

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// If the current user can access the Appearance->Widgets page.

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if ( current_user_can( 'edit_theme_options' ) ) {

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return sprintf( '<p>%s</p>', __( 'You must specify a URL to an iCalendar feed in the shortcode. This notice is only displayed to administrators.', 'jetpack' ) );

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}

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return self::no_upcoming_event_text();

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}

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$events = icalendar_render_events( $atts['url'], $args );

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if ( ! $events ) {

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$events = self::no_upcoming_event_text();

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}

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return $events;

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}

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/**

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* Returns No Upcoming Event text.

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*/

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private static function no_upcoming_event_text() {

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return sprintf( '<p>%s</p>', __( 'No upcoming events', 'jetpack' ) );

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}

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}

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add_action( 'after_setup_theme', array( 'Upcoming_Events_Shortcode', 'init' ), 2 );

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