Merge branch 'format_summary'

includes/activitypub/transformer/class-event.php

@@ -12,7 +12,9 @@ namespace Activitypub_Event_Extensions\Activitypub\Transformer;
 defined( 'ABSPATH' ) || exit; // @codeCoverageIgnore
 
 use Activitypub\Activity\Extended_Object\Event as Event_Object;
+use Activitypub\Activity\Extended_Object\Place;
 use Activitypub\Transformer\Post;
+use DateTime;
 
 /**
  * Base transformer for WordPress event post types to ActivityPub events.
@@ -20,7 +22,7 @@ use Activitypub\Transformer\Post;
  * Everything that transforming several WordPress post types that represent events
  * have in common, as well as sane defaults for events should be defined here.
  */
-class Event extends Post {
+abstract class Event extends Post {
 
 	/**
 	 * The WordPress event taxonomy.
@@ -119,6 +121,161 @@ class Event extends Post {
 		}
 	}
 
+	/**
+	 * Retrieves the excerpt text (may be HTML). Used for constructing the summary.
+	 *
+	 * @return ?string
+	 */
+	protected function extract_excerpt(): ?string {
+		if ( $this->wp_object->excerpt ) {
+			return $this->wp_object->post_excerpt;
+		} else {
+			return null;
+		}
+	}
+
+	/**
+	 * Get the start time.
+	 *
+	 * This is mandatory and must be implemented in the final event transformer class.
+	 */
+	abstract protected function get_start_time(): string;
+
+	/**
+	 * Get the end time.
+	 *
+	 * This is not mandatory and therefore just return null by default.
+	 */
+	protected function get_end_time(): ?string {
+		return null;
+	}
+
+	/**
+	 * Get a default for the location.
+	 *
+	 * This should be overridden in the actual event transformer.
+	 */
+	protected function get_location(): ?Place {
+		return null;
+	}
+
+	/**
+	 * Compose a human readable formatted start time.
+	 *
+	 * @param bool $is_start_time  Whether format the events start or end time.
+	 */
+	protected function format_time( $is_start_time = true ) {
+		$time = $is_start_time ? $this->get_start_time() : $this->get_end_time();
+		if ( is_null( $time ) ) {
+			return '';
+		}
+		$start_datetime  = new DateTime( $time );
+		$start_timestamp = $start_datetime->getTimestamp();
+		$datetime_format = get_option( 'date_format' ) . ' ' . get_option( 'time_format' );
+		return wp_date( $datetime_format, $start_timestamp );
+	}
+
+	/**
+	 * Format a human readable address.
+	 */
+	protected function format_address(): string {
+		$location = $this->get_location();
+		if ( is_null( $location ) ) {
+			return '';
+		}
+		$address = $location->get_address();
+		if ( ! $address ) {
+			return $location->get_name();
+		}
+		if ( is_string( $address ) ) {
+			return $address;
+		}
+		if ( ! is_array( $address ) ) {
+			return '';
+		}
+		return isset( $address['locality'] ) ? $address['locality'] : '';
+	}
+
+	/**
+	 * Format the category using the translation.
+	 */
+	protected function format_category(): string {
+		require_once ACTIVITYPUB_EVENT_EXTENSIONS_PLUGIN_DIR . '/includes/event-categories.php';
+		$category = $this->get_category();
+		if ( array_key_exists( $category, ACTIVITYPUB_EVENT_EXTENSIONS_EVENT_CATEGORIES ) ) {
+			return ACTIVITYPUB_EVENT_EXTENSIONS_EVENT_CATEGORIES[ $category ];
+		} else {
+			return ACTIVITYPUB_EVENT_EXTENSIONS_EVENT_CATEGORIES['MEETING'];
+		}
+	}
+
+	/**
+	 * Create a custom summary.
+	 *
+	 * It contains also the most important meta-information. The summary is often used when the
+	 * ActivityPub object type 'Event' is not supported, e.g. in Mastodon.
+	 *
+	 * @return string $summary The custom event summary.
+	 */
+	public function get_summary(): ?string {
+		add_filter( 'activitypub_object_content_template', array( self::class, 'remove_ap_permalink_from_template' ), 2 );
+		$excerpt = $this->extract_excerpt();
+		// BeforeFirstRelease: decide whether this should be a admin setting.
+		$fallback_to_content = true;
+		if ( is_null( $excerpt ) && $fallback_to_content ) {
+			$excerpt = $this->get_content();
+		}
+		remove_filter( 'activitypub_object_content_template', array( self::class, 'remove_ap_permalink_from_template' ) );
+
+		$category   = $this->format_category();
+		$start_time = $this->format_time();
+		$end_time   = $this->format_time( false );
+		$address    = $this->format_address();
+
+		$formatted_items = array();
+		if ( ! empty( $category ) ) {
+			$formatted_items[] = "🏷️ $category";
+		}
+
+		if ( ! empty( $start_time ) ) {
+			$formatted_items[] = "🗓️ {$start_time}";
+		}
+
+		if ( ! empty( $end_time ) ) {
+			$formatted_items[] = "⏳ {$end_time}";
+		}
+
+		if ( ! empty( $address ) ) {
+			$formatted_items[] = "📍 {$address}";
+		}
+		// Compose the summary based on the number of meta items.
+		if ( count( $formatted_items ) > 1 ) {
+			$summary = '<ul><li>' . implode( '</li><li>', $formatted_items ) . '</li></ul>';
+		} elseif ( 1 === count( $formatted_items ) ) {
+			$summary = $formatted_items[0]; // Just the one item without <ul><li>.
+		} else {
+			$summary = ''; // No items, so no output.
+		}
+
+		$summary .= $excerpt;
+		return $summary;
+	}
+
+	/**
+	 * Remove the permalink shortcode from a WordPress template.
+	 *
+	 * This used for the summary template, because the summary usually gets,
+	 * used when converting a object, where the URL is usually appended anyway.
+	 *
+	 * @param string $template The template string.
+	 */
+	public static function remove_ap_permalink_from_template( $template ) {
+		$template = str_replace( '[ap_permalink]', '', $template );
+		$template = str_replace( '[ap_permalink type="html"]', '', $template );
+
+		return $template;
+	}
+
 	/**
 	 * Generic function that converts an WP-Event object to an ActivityPub-Event object.
 	 *

includes/activitypub/transformer/class-events-manager.php

@@ -89,7 +89,7 @@ final class Events_Manager extends Event_Transformer {
 	 *
 	 * @return array The Place.
 	 */
-	public function get_location() {
+	public function get_location(): ?Place {
 		if ( 'url' === $this->em_event->event_location_type ) {
 			return null;
 		}
@@ -125,14 +125,14 @@ final class Events_Manager extends Event_Transformer {
 	/**
 	 * Get the end time from the events metadata.
 	 */
-	public function get_end_time() {
+	public function get_end_time(): ?string {
 		return null;
 	}
 
 	/**
 	 * Get the end time from the events metadata.
 	 */
-	public function get_start_time() {
+	public function get_start_time(): string {
 		$date_string     = $this->em_event->event_start_date;
 		$time_string     = $this->em_event->event_start_time;
 		$timezone_string = $this->em_event->event_timezone;
@@ -181,7 +181,7 @@ final class Events_Manager extends Event_Transformer {
 	/**
 	 * Hardcoded function for generating a summary.
 	 */
-	public function get_summary() {
+	public function get_summary(): ?string {
 		if ( $this->em_event->post_excerpt ) {
 			$excerpt = $this->em_event->post_excerpt;
 		} else {

includes/activitypub/transformer/class-gatherpress.php

@@ -78,7 +78,7 @@ final class GatherPress extends Event {
 	 *
 	 * @return Place|null The place objector null if not place set.
 	 */
-	public function get_location(): Place|null {
+	public function get_location(): ?Place {
 		$address = $this->gp_venue['full_address'];
 		if ( $address ) {
 			$place = new Place();
@@ -94,14 +94,14 @@ final class GatherPress extends Event {
 	/**
 	 * Get the end time from the event object.
 	 */
-	protected function get_end_time() {
+	protected function get_end_time(): ?string {
 		return $this->gp_event->get_datetime_end( 'Y-m-d\TH:i:s\Z' );
 	}
 
 	/**
 	 * Get the end time from the event object.
 	 */
-	protected function get_start_time() {
+	protected function get_start_time(): string {
 		return $this->gp_event->get_datetime_start( 'Y-m-d\TH:i:s\Z' );
 	}
 

includes/activitypub/transformer/class-the-events-calendar.php

@@ -11,11 +11,10 @@ namespace Activitypub_Event_Extensions\Activitypub\Transformer;
 // Exit if accessed directly.
 defined( 'ABSPATH' ) || exit; // @codeCoverageIgnore
 
-use WP_Post;
-
 use Activitypub\Activity\Extended_Object\Event as Event_Object;
 use Activitypub\Activity\Extended_Object\Place;
 use Activitypub_Event_Extensions\Activitypub\Transformer\Event;
+use WP_Post;
 
 use function Activitypub\esc_hashtag;
 
@@ -74,7 +73,10 @@ final class The_Events_Calendar extends Event {
 	/**
 	 * Get the end time from the event object.
 	 */
-	protected function get_end_time(): string {
+	protected function get_end_time(): ?string {
+		if ( empty( $this->tribe_event->end_date ) ) {
+			return null;
+		}
 		$date = date_create( $this->tribe_event->end_date, wp_timezone() );
 		return \gmdate( 'Y-m-d\TH:i:s\Z', $date->getTimestamp() );
 	}
@@ -82,7 +84,7 @@ final class The_Events_Calendar extends Event {
 	/**
 	 * Get the end time from the event object.
 	 */
-	protected function get_start_time() {
+	protected function get_start_time(): string {
 		$date = date_create( $this->tribe_event->start_date, wp_timezone() );
 		return \gmdate( 'Y-m-d\TH:i:s\Z', $date->getTimestamp() );
 	}

includes/activitypub/transformer/class-vs-event-list.php

@@ -30,17 +30,6 @@ final class VS_Event_List extends Event_Transformer {
 	 */
 	protected $ap_object;
 
-	/**
-	 * Returns the ActivityStreams 2.0 Object-Type for an Event.
-	 *
-	 * @see https://www.w3.org/TR/activitystreams-vocabulary/#dfn-event
-	 * @since 1.0.0
-	 * @return string The Event Object-Type.
-	 */
-	protected function get_type(): string {
-		return 'Event';
-	}
-
 	/**
 	 * Get the event location.
 	 *
@@ -67,6 +56,9 @@ final class VS_Event_List extends Event_Transformer {
 			return null;
 		}
 		$end_time = get_post_meta( $this->wp_object->ID, 'event-date', true );
+		if ( is_null( $end_time ) || empty( $end_time ) || 'no' === $end_time ) {
+			return null;
+		}
 		return $end_time ? \gmdate( 'Y-m-d\TH:i:s\Z', $end_time ) : null;
 	}
 
@@ -75,7 +67,7 @@ final class VS_Event_List extends Event_Transformer {
 	 */
 	protected function get_start_time(): string {
 		$start_time = get_post_meta( $this->wp_object->ID, 'event-start-date', true );
-		return $start_time ? \gmdate( 'Y-m-d\TH:i:s\Z', $start_time ) : null;
+		return \gmdate( 'Y-m-d\TH:i:s\Z', $start_time );
 	}
 
 	/**
@@ -114,27 +106,17 @@ final class VS_Event_List extends Event_Transformer {
 	}
 
 	/**
-	 * Create a custom summary.
+	 * Retrieves the excerpt text (may be HTML). Used for constructing the summary.
 	 *
-	 * It contains also the most important meta-information. The summary is often used when the
-	 * ActivityPub object type 'Event' is not supported, e.g. in Mastodon.
-	 *
-	 * @return string $summary The custom event summary.
+	 * @return ?string
 	 */
-	public function get_summary(): ?string {
-		if ( $this->wp_object->excerpt ) {
-			$excerpt = $this->wp_object->post_excerpt;
-		} elseif ( get_post_meta( $this->wp_object->ID, 'event-summary', true ) ) {
-			$excerpt = get_post_meta( $this->wp_object->ID, 'event-summary', true );
+	protected function get_excerpt(): ?string {
+		if ( get_post_meta( $this->wp_object->ID, 'event-summary', true ) ) {
+			return get_post_meta( $this->wp_object->ID, 'event-summary', true );
+		} elseif ( $this->wp_object->excerpt ) {
+			return $this->wp_object->post_excerpt;
 		} else {
-			$excerpt = $this->get_content();
+			return null;
 		}
-
-		$address           = get_post_meta( $this->wp_object->ID, 'event-location', true );
-		$start_time        = get_post_meta( $this->wp_object->ID, 'event-start-date', true );
-		$datetime_format   = get_option( 'date_format' ) . ' ' . get_option( 'time_format' );
-		$start_time_string = wp_date( $datetime_format, $start_time );
-		$summary           = "📍 {$address}\n📅 {$start_time_string}\n\n{$excerpt}";
-		return $summary;
 	}
 }

includes/event-categories.php

@@ -0,0 +1,47 @@
+<?php
+/**
+ * File responsible for defining the event category strings.
+ *
+ * @package Activitypub_Event_Extensions
+ * @since 1.0.0
+ * @license AGPL-3.0-or-later
+ */
+
+namespace Activitypub_Event_Extensions;
+
+define(
+	'ACTIVITYPUB_EVENT_EXTENSIONS_EVENT_CATEGORIES',
+	array(
+		'ARTS'                          => __( 'Arts', 'activitypub-event-extensions' ),
+		'BOOK_CLUBS'                    => __( 'Book clubs', 'activitypub-event-extensions' ),
+		'BUSINESS'                      => __( 'Business', 'activitypub-event-extensions' ),
+		'CAUSES'                        => __( 'Causes', 'activitypub-event-extensions' ),
+		'COMEDY'                        => __( 'Comedy', 'activitypub-event-extensions' ),
+		'CRAFTS'                        => __( 'Crafts', 'activitypub-event-extensions' ),
+		'FOOD_DRINK'                    => __( 'Food & Drink', 'activitypub-event-extensions' ),
+		'HEALTH'                        => __( 'Health', 'activitypub-event-extensions' ),
+		'MUSIC'                         => __( 'Music', 'activitypub-event-extensions' ),
+		'AUTO_BOAT_AIR'                 => __( 'Auto, boat and air', 'activitypub-event-extensions' ),
+		'COMMUNITY'                     => __( 'Community', 'activitypub-event-extensions' ),
+		'FAMILY_EDUCATION'              => __( 'Family & Education', 'activitypub-event-extensions' ),
+		'FASHION_BEAUTY'                => __( 'Fashion & Beauty', 'activitypub-event-extensions' ),
+		'FILM_MEDIA'                    => __( 'Film & Media', 'activitypub-event-extensions' ),
+		'GAMES'                         => __( 'Games', 'activitypub-event-extensions' ),
+		'LANGUAGE_CULTURE'              => __( 'Language & Culture', 'activitypub-event-extensions' ),
+		'LEARNING'                      => __( 'Learning', 'activitypub-event-extensions' ),
+		'LGBTQ'                         => __( 'LGBTQ', 'activitypub-event-extensions' ),
+		'MOVEMENTS_POLITICS'            => __( 'Movements and politics', 'activitypub-event-extensions' ),
+		'NETWORKING'                    => __( 'Networking', 'activitypub-event-extensions' ),
+		'PARTY'                         => __( 'Party', 'activitypub-event-extensions' ),
+		'PERFORMING_VISUAL_ARTS'        => __( 'Performing & Visual Arts', 'activitypub-event-extensions' ),
+		'PETS'                          => __( 'Pets', 'activitypub-event-extensions' ),
+		'PHOTOGRAPHY'                   => __( 'Photography', 'activitypub-event-extensions' ),
+		'OUTDOORS_ADVENTURE'            => __( 'Outdoors & Adventure', 'activitypub-event-extensions' ),
+		'SPIRITUALITY_RELIGION_BELIEFS' => __( 'Spirituality, Religion & Beliefs', 'activitypub-event-extensions' ),
+		'SCIENCE_TECH'                  => __( 'Science & Tech', 'activitypub-event-extensions' ),
+		'SPORTS'                        => __( 'Sports', 'activitypub-event-extensions' ),
+		'THEATRE'                       => __( 'Theatre', 'activitypub-event-extensions' ),
+		'MEETING'                       => __( 'Meeting', 'activitypub-event-extensions' ), // Default value in federation.
+		'DEFAULT'                       => __( 'Default', 'activitypub-event-extensions' ), // Internal default for overrides.
+	),
+);