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upcoming-events.php
67 lines
| 1 | <?php // phpcs:ignore WordPress.Files.FileName.InvalidClassFileName |
| 2 | |
| 3 | /** |
| 4 | * Display a list of upcoming events from a calendar. |
| 5 | * |
| 6 | * @package automattic/jetpack |
| 7 | */ |
| 8 | |
| 9 | /** |
| 10 | * Register a upcomingevents shortcode. |
| 11 | * Most of the heavy lifting done in iCalendarReader class, |
| 12 | * where the icalendar_render_events() function controls the display. |
| 13 | */ |
| 14 | class Upcoming_Events_Shortcode { |
| 15 | |
| 16 | /** |
| 17 | * Register things. |
| 18 | */ |
| 19 | public static function init() { |
| 20 | add_shortcode( 'upcomingevents', array( __CLASS__, 'shortcode' ) ); |
| 21 | } |
| 22 | |
| 23 | /** |
| 24 | * Register the shortcode. |
| 25 | * |
| 26 | * @param array $atts Shortcode attributes. |
| 27 | */ |
| 28 | public static function shortcode( $atts = array() ) { |
| 29 | require_once JETPACK__PLUGIN_DIR . '/_inc/lib/icalendar-reader.php'; |
| 30 | $atts = shortcode_atts( |
| 31 | array( |
| 32 | 'url' => '', |
| 33 | 'number' => 0, |
| 34 | ), |
| 35 | $atts, |
| 36 | 'upcomingevents' |
| 37 | ); |
| 38 | $args = array( |
| 39 | 'context' => 'shortcode', |
| 40 | 'number' => absint( $atts['number'] ), |
| 41 | ); |
| 42 | |
| 43 | if ( empty( $atts['url'] ) ) { |
| 44 | // If the current user can access the Appearance->Widgets page. |
| 45 | if ( current_user_can( 'edit_theme_options' ) ) { |
| 46 | 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' ) ); |
| 47 | } |
| 48 | return self::no_upcoming_event_text(); |
| 49 | } |
| 50 | $events = icalendar_render_events( $atts['url'], $args ); |
| 51 | |
| 52 | if ( ! $events ) { |
| 53 | $events = self::no_upcoming_event_text(); |
| 54 | } |
| 55 | |
| 56 | return $events; |
| 57 | } |
| 58 | |
| 59 | /** |
| 60 | * Returns No Upcoming Event text. |
| 61 | */ |
| 62 | private static function no_upcoming_event_text() { |
| 63 | return sprintf( '<p>%s</p>', __( 'No upcoming events', 'jetpack' ) ); |
| 64 | } |
| 65 | } |
| 66 | add_action( 'after_setup_theme', array( 'Upcoming_Events_Shortcode', 'init' ), 2 ); |
| 67 |