add postaladdress support for the events calendar

and improve tests

composer.json

@@ -61,7 +61,7 @@
         ],
         "test-debug": [
             "@prepare-test",
-            "@test-general"
+            "@test-the-events-calendar"
         ],
         "test-vs-event-list": "phpunit --filter=vs_event_list",
         "test-the-events-calendar": "phpunit --filter=the_events_calendar",

includes/activitypub/transmogrifier/class-base.php

@@ -56,7 +56,7 @@ abstract class Base {
 		$post_id = $this->save_event();
 
 		if ( $post_id ) {
-			update_post_meta( $post_id, '_event_bridge_for_activitypub_is_cached', true );
+			update_post_meta( $post_id, '_event_bridge_for_activitypub_is_remote_cached', true );
 			update_post_meta( $post_id, 'activitypub_content_visibility', constant( 'ACTIVITYPUB_CONTENT_VISIBILITY_LOCAL' ) ?? '' );
 		}
 	}

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

@@ -11,7 +11,7 @@
 
 namespace Event_Bridge_For_ActivityPub\ActivityPub\Transmogrifier;
 
-use DateTime;
+use Tribe__Date_Utils;
 
 use function Activitypub\sanitize_url;
 
@@ -27,25 +27,47 @@ defined( 'ABSPATH' ) || exit; // @codeCoverageIgnore
  */
 class The_Events_Calendar extends Base {
 	/**
-	 * Get a list of Post IDs of events that have ended.
+	 * Map an ActivityStreams Place to the Events Calendar venue.
 	 *
-	 * @param int $cache_retention_period Additional time buffer in seconds.
-	 * @return ?array
+	 * @param array $location An ActivityPub location as an associative array.
+	 * @link https://www.w3.org/TR/activitystreams-vocabulary/#dfn-place
+	 * @return array
 	 */
-	public static function get_past_events( $cache_retention_period = 0 ): ?array {
-		unset( $cache_retention_period );
+	private function get_venue_args( $location ) {
+		$args = array(
+			'venue'  => $location['name'],
+			'status' => 'publish',
+		);
 
-		$results = array();
+		if ( is_array( $location['address'] ) && isset( $location['address']['type'] ) && 'PostalAddress' === $location['address']['type'] ) {
+			$mapping = array(
+				'streetAddress'   => 'address',
+				'postalCode'      => 'zip',
+				'addressLocality' => 'city',
+				'addressState'    => 'state',
+				'addressCountry'  => 'country',
+				'url'             => 'website',
+			);
 
-		return $results;
+			foreach ( $mapping as $postal_address_key => $venue_key ) {
+				if ( isset( $location['address'][ $postal_address_key ] ) ) {
+					$args[ $venue_key ] = $location['address'][ $postal_address_key ];
+				}
+			}
+		} elseif ( is_string( $location['address'] ) ) {
+			// Use the address field for a solely text address.
+			$args['address'] = $location['address'];
+		}
+
+		return $args;
 	}
 
 	/**
 	 * Add venue.
 	 *
-	 * @param int $post_id The post ID.
+	 * @return int|bool $post_id The venues post ID.
 	 */
-	private function add_venue( $post_id ) {
+	private function add_venue() {
 		$location = $this->activitypub_event->get_location();
 
 		if ( ! $location ) {
@@ -60,6 +82,25 @@ class The_Events_Calendar extends Base {
 		if ( 'online' === $location['name'] ) {
 			return;
 		}
+
+		$post_ids = tribe_events()->search( $location['name'] )->all();
+
+		$post_id = false;
+
+		if ( count( $post_ids ) ) {
+			$post_id = reset( $post_ids );
+		}
+
+		if ( $post_id && get_post_meta( $post_id, '_event_bridge_for_activitypub_is_remote_cached' ) ) {
+			tribe_venues()->where( 'id', $post_id )->set_args( $this->get_venue_args( $location ) )->save()[0];
+		} else {
+			$post = tribe_venues()->set_args( $this->get_venue_args( $location ) )->create();
+			if ( $post ) {
+				$post_id = $post->ID;
+			}
+		}
+
+		return $post_id;
 	}
 
 	/**
@@ -75,6 +116,8 @@ class The_Events_Calendar extends Base {
 
 		$duration = $this->get_duration();
 
+		$venue_id = $this->add_venue();
+
 		$args = array(
 			'title'      => sanitize_text_field( $this->activitypub_event->get_name() ),
 			'content'    => wp_kses_post( $this->activitypub_event->get_content() ),
@@ -84,6 +127,11 @@ class The_Events_Calendar extends Base {
 			'guid'       => sanitize_url( $this->activitypub_event->get_id() ),
 		);
 
+		if ( $venue_id ) {
+			$args['venue']   = $venue_id;
+			$args['VenueID'] = $venue_id;
+		}
+
 		$tribe_event = new The_Events_Calendar_Event_Repository();
 
 		if ( $post_id ) {
@@ -99,8 +147,6 @@ class The_Events_Calendar extends Base {
 			return false;
 		}
 
-		$this->add_venue( $post->ID );
-
 		// Limit this as a safety measure.
 		remove_filter( 'wp_revisions_to_keep', array( self::class, 'revisions_to_keep' ) );
 

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

@@ -0,0 +1,182 @@
+<?php
+/**
+ * ActivityPub Transmogrifier for the VS Event List event plugin.
+ *
+ * Handles converting incoming external ActivityPub events to events of VS Event List.
+ *
+ * @link https://wordpress.org/plugins/very-simple-event-list/
+ * @package Event_Bridge_For_ActivityPub
+ * @since 1.0.0
+ * @license AGPL-3.0-or-later
+ */
+
+namespace Event_Bridge_For_ActivityPub\ActivityPub\Transmogrifier;
+
+use function Activitypub\sanitize_url;
+
+// Exit if accessed directly.
+defined( 'ABSPATH' ) || exit; // @codeCoverageIgnore
+
+/**
+ * ActivityPub Transmogrifier for the VS Event List event plugin.
+ *
+ * Handles converting incoming external ActivityPub events to events of VS Event List.
+ *
+ * @link https://wordpress.org/plugins/very-simple-event-list/
+ * @since 1.0.0
+ */
+class VS_Event_List extends Base {
+	/**
+	 * Get a list of Post IDs of events that have ended.
+	 *
+	 * @param int $cache_retention_period Additional time buffer in seconds.
+	 * @return ?array
+	 */
+	public static function get_past_events( $cache_retention_period = 0 ): ?array {
+		unset( $cache_retention_period );
+
+		$results = array();
+
+		return $results;
+	}
+
+	/**
+	 * Map an ActivityStreams Place to the Events Calendar venue.
+	 *
+	 * @param array $location An ActivityPub location as an associative array.
+	 * @link https://www.w3.org/TR/activitystreams-vocabulary/#dfn-place
+	 * @return array
+	 */
+	private function get_venue_args( $location ) {
+		$args = array(
+			'venue'  => $location['name'],
+			'status' => 'publish',
+		);
+
+		if ( is_array( $location['address'] ) && isset( $location['address']['type'] ) && 'PostalAddress' === $location['address']['type'] ) {
+			$mapping = array(
+				'streetAddress'   => 'address',
+				'postalCode'      => 'zip',
+				'addressLocality' => 'city',
+				'addressState'    => 'state',
+				'addressCountry'  => 'country',
+				'url'             => 'website',
+			);
+
+			foreach ( $mapping as $postal_address_key => $venue_key ) {
+				if ( isset( $location['address'][ $postal_address_key ] ) ) {
+					$args[ $venue_key ] = $location['address'][ $postal_address_key ];
+				}
+			}
+		} elseif ( is_string( $location['address'] ) ) {
+			// Use the address field for a solely text address.
+			$args['address'] = $location['address'];
+		}
+
+		return $args;
+	}
+
+	/**
+	 * Add venue.
+	 *
+	 * @return int|bool $post_id The venues post ID.
+	 */
+	private function add_venue() {
+		$location = $this->activitypub_event->get_location();
+
+		if ( ! $location ) {
+			return;
+		}
+
+		if ( ! isset( $location['name'] ) ) {
+			return;
+		}
+
+		// Fallback for Gancio instances.
+		if ( 'online' === $location['name'] ) {
+			return;
+		}
+
+		$post_ids = tribe_events()->search( $location['name'] )->all();
+
+		$post_id = false;
+
+		if ( count( $post_ids ) ) {
+			$post_id = reset( $post_ids );
+		}
+
+		if ( $post_id && get_post_meta( $post_id, '_event_bridge_for_activitypub_is_remote_cached' ) ) {
+			tribe_venues()->where( 'id', $post_id )->set_args( $this->get_venue_args( $location ) )->save()[0];
+		} else {
+			$post = tribe_venues()->set_args( $this->get_venue_args( $location ) )->create();
+			if ( $post ) {
+				$post_id = $post->ID;
+			}
+		}
+
+		return $post_id;
+	}
+
+	/**
+	 * Save the ActivityPub event object as GatherPress Event.
+	 *
+	 * @return false|int
+	 */
+	public function save_event() {
+		// Limit this as a safety measure.
+		add_filter( 'wp_revisions_to_keep', array( self::class, 'revisions_to_keep' ) );
+
+		$post_id = $this->get_post_id_from_activitypub_id();
+
+		$duration = $this->get_duration();
+
+		$venue_id = $this->add_venue();
+
+		$args = array(
+			'title'      => sanitize_text_field( $this->activitypub_event->get_name() ),
+			'content'    => wp_kses_post( $this->activitypub_event->get_content() ),
+			'start_date' => gmdate( 'Y-m-d H:i:s', strtotime( $this->activitypub_event->get_start_time() ) ),
+			'duration'   => $duration,
+			'status'     => 'publish',
+			'guid'       => sanitize_url( $this->activitypub_event->get_id() ),
+		);
+
+		if ( $venue_id ) {
+			$args['venue']   = $venue_id;
+			$args['VenueID'] = $venue_id;
+		}
+
+		$tribe_event = new The_Events_Calendar_Event_Repository();
+
+		if ( $post_id ) {
+			$args['post_title']   = $args['title'];
+			$args['post_content'] = $args['content'];
+			// Update existing GatherPress event post.
+			$post = \Tribe__Events__API::updateEvent( $post_id, $args );
+		} else {
+			$post = $tribe_event->set_args( $args )->create();
+		}
+
+		if ( ! $post ) {
+			return false;
+		}
+
+		// Limit this as a safety measure.
+		remove_filter( 'wp_revisions_to_keep', array( self::class, 'revisions_to_keep' ) );
+
+		return $post->ID;
+	}
+
+	/**
+	 * Get the events duration in seconds.
+	 *
+	 * @return int
+	 */
+	private function get_duration() {
+		$end_time = $this->activitypub_event->get_end_time();
+		if ( ! $end_time ) {
+			return 2 * HOUR_IN_SECONDS;
+		}
+		return abs( strtotime( $end_time ) - strtotime( $this->activitypub_event->get_start_time() ) );
+	}
+}

includes/class-event-sources.php

@@ -80,7 +80,7 @@ class Event_Sources {
 			}
 			\register_post_meta(
 				$event_plugin_integration::get_post_type(),
-				'_event_bridge_for_activitypub_is_cached',
+				'_event_bridge_for_activitypub_is_remote_cached',
 				array(
 					'type'              => 'string',
 					'single'            => false,
@@ -89,6 +89,21 @@ class Event_Sources {
 					},
 				)
 			);
+
+			$location_post_type = $event_plugin_integration::get_location_post_type();
+			if ( $location_post_type ) {
+				\register_post_meta(
+					$location_post_type,
+					'_event_bridge_for_activitypub_is_remote_cached',
+					array(
+						'type'              => 'string',
+						'single'            => false,
+						'sanitize_callback' => function ( $value ) {
+							return esc_sql( $value );
+						},
+					)
+				);
+			}
 		}
 	}
 
@@ -168,7 +183,7 @@ class Event_Sources {
 	 * @return bool
 	 */
 	public static function is_cached_external_event_post( $post ): bool {
-		if ( get_post_meta( $post->ID, '_event_bridge_for_activitypub_is_cached', true ) ) {
+		if ( get_post_meta( $post->ID, '_event_bridge_for_activitypub_is_remote_cached', true ) ) {
 			return true;
 		}
 

includes/integrations/class-event-plugin-integration.php

@@ -55,6 +55,15 @@ abstract class Event_Plugin_Integration {
 	 */
 	abstract public static function get_activitypub_event_transformer( $post ): ActivityPub_Event_Transformer;
 
+	/**
+	 * In case an event plugin used a custom post type for the locations/venues return it here.
+	 *
+	 * @return ?string
+	 */
+	public static function get_location_post_type() {
+		return null;
+	}
+
 	/**
 	 * Returns the IDs of the admin pages of the plugin.
 	 *

includes/integrations/class-gatherpress.php

@@ -83,19 +83,19 @@ final class GatherPress extends Event_Plugin_Integration implements Feature_Even
 	/**
 	 * Get a list of Post IDs of events that have ended.
 	 *
-	 * @param int $ended_before_time Filter: only get events that ended before that datetime as unix-time.
+	 * @param int $ends_before_time Filter: only get events that ended before that datetime as unix-time.
 	 *
 	 * @return array
 	 */
-	public static function get_cached_remote_events( $ended_before_time ): array {
+	public static function get_cached_remote_events( $ends_before_time ): array {
 		global $wpdb;
 
-		$ended_before_time_string = gmdate( 'Y-m-d H:i:s', $ended_before_time );
+		$ends_before_time_string = gmdate( 'Y-m-d H:i:s', $ends_before_time );
 
 		$results = $wpdb->get_col(
 			$wpdb->prepare(
 				"SELECT post_id FROM {$wpdb->prefix}gatherpress_events WHERE datetime_end < %s",
-				$ended_before_time_string
+				$ends_before_time_string
 			)
 		);
 
@@ -116,7 +116,7 @@ final class GatherPress extends Event_Plugin_Integration implements Feature_Even
 				if ( $post && 'gatherpress_event' === $post->post_type ) {
 					// Add your custom logic here to decide whether to force the link.
 					// For example, force it only if a specific meta field exists.
-					if ( get_post_meta( $post->ID, '_event_bridge_for_activitypub_is_cached', true ) ) {
+					if ( get_post_meta( $post->ID, '_event_bridge_for_activitypub_is_remote_cached', true ) ) {
 						return true; // Force the online event link.
 					}
 				}

includes/integrations/class-the-events-calendar.php

@@ -64,6 +64,15 @@ final class The_Events_Calendar extends Event_plugin_Integration implements Feat
 		return new The_Events_Calendar_Transformer( $post, self::get_event_category_taxonomy() );
 	}
 
+	/**
+	 * Return the location/venue post type used by tribe.
+	 *
+	 * @return ?string
+	 */
+	public static function get_location_post_type() {
+		return class_exists( '\Tribe__Events__Venue' ) ? \Tribe__Events__Venue::POSTTYPE : 'tribe_venue';
+	}
+
 	/**
 	 * Returns the IDs of the admin pages of the plugin.
 	 *
@@ -88,11 +97,39 @@ final class The_Events_Calendar extends Event_plugin_Integration implements Feat
 	/**
 	 * Get a list of Post IDs of events that have ended.
 	 *
-	 * @param int $ended_before_time Filter: only get events that ended before that datetime as unix-time.
+	 * @param int $ends_before_time Filter to only get events that ended before that datetime as unix-time.
 	 *
-	 * @return array
+	 * @return array<int>
 	 */
-	public static function get_cached_remote_events( $ended_before_time ): array {
-		return array();
+	public static function get_cached_remote_events( $ends_before_time ): array {
+		add_filter(
+			'tribe_repository_events_apply_modifier_schema_entry',
+			array( self::class, 'add_is_activitypub_remote_cached_to_query' ),
+			10,
+			1
+		);
+
+		$events = tribe_events()->where( 'ends_before', $ends_before_time )->get_ids();
+
+		remove_filter(
+			'tribe_repository_events_apply_modifier_schema_entry',
+			array( self::class, 'add_is_activitypub_remote_cached_to_query' )
+		);
+
+		return $events;
+	}
+
+	/**
+	 * Only show remote cached ActivityPub events in Tribe query.
+	 *
+	 * @param array $schema_entry The current schema entry.
+	 * @return array The modified schema entry.
+	 */
+	public static function add_is_activitypub_remote_cached_to_query( $schema_entry ) {
+		$schema_entry['meta_query']['is-remote-cached'] = array(
+			'key'     => '_event_bridge_for_activitypub_is_remote_cached',
+			'compare' => 'EXISTS',
+		);
+		return $schema_entry;
 	}
 }

includes/integrations/interface-feature-event-sources.php

@@ -36,9 +36,9 @@ interface Feature_Event_Sources {
 	 *
 	 * Filters the events to include only those that ended before the specified timestamp.
 	 *
-	 * @param int $ended_before_time Unix timestamp. Only events ending before this time will be included.
+	 * @param int $ends_before_time Unix timestamp. Only events ending before this time will be included.
 	 *
 	 * @return int[] List of post IDs for events that match the criteria.
 	 */
-	public static function get_cached_remote_events( $ended_before_time ): array;
+	public static function get_cached_remote_events( $ends_before_time ): array;
 }

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

@@ -1,6 +1,6 @@
 <?php
 /**
- * Class SampleTest
+ * Class file containing tests for the ActivityPub transformer of the WordPress plugin The Events Calendar.
  *
  * @package Event_Bridge_For_ActivityPub
  */
@@ -8,7 +8,7 @@
 namespace Event_Bridge_For_ActivityPup\Tests\ActivityPub\Transformer;
 
 /**
- * Sample test case.
+ * Class containing tests for the ActivityPub transformer of the WordPress plugin The Events Calendar.
  */
 class Test_The_Events_Calendar extends \WP_UnitTestCase {
 	/**

tests/includes/activitypub/transmogrifier/class-test-the-events-calendar.php

@@ -132,8 +132,83 @@ class Test_The_Events_Calendar extends \WP_UnitTestCase {
 			$venue = $venues[0];
 		}
 
-		// $this->assertEquals( $json['object']['location']['address'], $venue->address );
-		// $this->assertEquals( $json['object']['location']['name'], $venue->post_title );
+		$this->assertEquals( $json['object']['location']['address'], $venue->address );
+		$this->assertEquals( $json['object']['location']['name'], $venue->post_title );
+
+		\remove_filter( 'activitypub_defer_signature_verification', '__return_true' );
+	}
+
+	/**
+	 * Test receiving event from followed actor.
+	 */
+	public function test_incoming_event_with_postal_address() {
+		\add_filter( 'activitypub_defer_signature_verification', '__return_true' );
+
+		$json = array(
+			'id'     => 'https://remote.example/@organizer/events/new-year-party#create',
+			'type'   => 'Create',
+			'actor'  => 'https://remote.example/@organizer',
+			'object' => array(
+				'id'        => 'https://remote.example/@organizer/events/new-year-party',
+				'type'      => 'Event',
+				'startTime' => \gmdate( 'Y-m-d\TH:i:s\Z', time() + WEEK_IN_SECONDS ),
+				'endTime'   => \gmdate( 'Y-m-d\TH:i:s\Z', time() + WEEK_IN_SECONDS + HOUR_IN_SECONDS ),
+				'name'      => 'Fediverse Party for The Events Calendar',
+				'to'        => 'https://www.w3.org/ns/activitystreams#Public',
+				'published' => '2020-01-01T00:00:00Z',
+				'location'  => array(
+					'type'    => 'Place',
+					'name'    => 'Fediverse Concert Hall',
+					'address' => array(
+						'type'            => 'PostalAddress',
+						'streetAddress'   => 'FediStreet 13',
+						'postalCode'      => '1337',
+						'addressLocality' => 'Feditown',
+						'addressState'    => 'Fediverse State',
+						'addressCountry'  => 'Fediverse World',
+						'url'             => 'https://fedidevs.org/',
+					),
+				),
+			),
+		);
+
+		$request = new WP_REST_Request( 'POST', '/activitypub/1.0/users/0/inbox' );
+		$request->set_header( 'Content-Type', 'application/activity+json' );
+		$request->set_body( \wp_json_encode( $json ) );
+
+		// Dispatch the request.
+		$response = \rest_do_request( $request );
+		$this->assertEquals( 202, $response->get_status() );
+
+		// Check if post has been created.
+		$events = tribe_get_events();
+
+		$this->assertEquals( 1, count( $events ) );
+
+		// Initialize new GatherPress Event object.
+		$event = tribe_get_event( $events[0] );
+
+		$this->assertEquals( $json['object']['name'], $event->post_title );
+		$this->assertEquals( $json['object']['startTime'], $event->dates->start->format( 'Y-m-d\TH:i:s\Z' ) );
+		$this->assertEquals( $json['object']['endTime'], $event->dates->end->format( 'Y-m-d\TH:i:s\Z' ) );
+
+		$venues = $event->venues;
+		// Get first venue. We currently only support a single venue.
+		if ( $venues instanceof \Tribe\Events\Collections\Lazy_Post_Collection ) {
+			$venue = $venues->first();
+		} elseif ( empty( $this->wp_object->venues ) || ! empty( $this->wp_object->venues[0] ) ) {
+			return null;
+		} else {
+			$venue = $venues[0];
+		}
+
+		$this->assertEquals( $json['object']['location']['name'], $venue->post_title );
+		$this->assertEquals( $json['object']['location']['address']['streetAddress'], $venue->address );
+		$this->assertEquals( $json['object']['location']['address']['postalCode'], $venue->zip );
+		$this->assertEquals( $json['object']['location']['address']['addressLocality'], $venue->city );
+		$this->assertEquals( $json['object']['location']['address']['addressState'], $venue->state );
+		$this->assertEquals( $json['object']['location']['address']['addressCountry'], $venue->country );
+		$this->assertEquals( $json['object']['location']['address']['url'], $venue->website );
 
 		\remove_filter( 'activitypub_defer_signature_verification', '__return_true' );
 	}

tests/includes/class-test-event-sources.php

@@ -209,7 +209,6 @@ class Test_Event_Sources extends \WP_UnitTestCase {
 		\remove_filter( 'activitypub_defer_signature_verification', '__return_true' );
 	}
 
-
 	/**
 	 * Test receiving event from actor we do not follow.
 	 */

tests/includes/integrations/class-test-the-events-calendar.php

@@ -0,0 +1,139 @@
+<?php
+/**
+ * Test file for the Transmogrifier (import of ActivityPub Event objects) of GatherPress.
+ *
+ * @package Event_Bridge_For_ActivityPub
+ * @since   1.0.0
+ * @license AGPL-3.0-or-later
+ */
+
+namespace Event_Bridge_For_ActivityPub\Tests\Integrations;
+
+use Event_Bridge_For_ActivityPup\Tests\ActivityPub\Transformer\Test_The_Events_Calendar as TRIBE_Transformer_Test;
+use Event_Bridge_For_ActivityPub\Integrations\The_Events_Calendar;
+
+use WP_REST_Request;
+use WP_REST_Server;
+
+/**
+ * Test class for the Transmogrifier (import of ActivityPub Event objects) of GatherPress.
+ *
+ * @coversDefaultClass \Event_Bridge_For_ActivityPub\ActivityPub\Transmogrifier\The_Events_Calendar
+ */
+class Test_The_Events_Calendar extends \WP_UnitTestCase {
+	const FOLLOWED_ACTOR = array(
+		'id'      => 'https://remote.example/@organizer',
+		'type'    => 'Person',
+		'inbox'   => 'https://remote.example/@organizer/inbox',
+		'outbox'  => 'https://remote.example/@organizer/outbox',
+		'name'    => 'The Organizer',
+		'summary' => 'Just a random organizer of events in the Fediverse',
+	);
+
+	/**
+	 * REST Server.
+	 *
+	 * @var WP_REST_Server
+	 */
+	protected $server;
+
+	/**
+	 * Set up the test.
+	 */
+	public function set_up() {
+		if ( ! class_exists( '\Tribe__Events__Main' ) ) {
+			self::markTestSkipped( 'The Events Calendar plugin is not active.' );
+		}
+
+		\add_option( 'permalink_structure', '/%postname%/' );
+
+		global $wp_rest_server;
+		$wp_rest_server = new WP_REST_Server();
+		$this->server   = $wp_rest_server;
+
+		do_action( 'rest_api_init' );
+
+		\Activitypub\Rest\Server::add_hooks();
+
+		// Make sure that ActivityPub support is enabled for The Events Calendar.
+		$aec = \Event_Bridge_For_ActivityPub\Setup::get_instance();
+		$aec->activate_activitypub_support_for_active_event_plugins();
+
+		// Add event source (ActivityPub follower).
+		_delete_all_posts();
+		\Event_Bridge_For_ActivityPub\ActivityPub\Model\Event_Source::init_from_array( self::FOLLOWED_ACTOR )->save();
+
+		\update_option( 'event_bridge_for_activitypub_event_sources_active', true );
+		\update_option(
+			'event_bridge_for_activitypub_integration_used_for_event_sources_feature',
+			\Event_Bridge_For_ActivityPub\Integrations\The_Events_Calendar::class
+		);
+		\update_option( 'activitypub_actor_mode', ACTIVITYPUB_BLOG_MODE );
+	}
+
+	/**
+	 * Tear down the test.
+	 */
+	public function tear_down() {
+		\delete_option( 'permalink_structure' );
+	}
+
+	/**
+	 * Test receiving event from followed actor.
+	 */
+	public function test_getting_past_remote_events() {
+		\add_filter( 'activitypub_defer_signature_verification', '__return_true' );
+
+		// Receive an federated event.
+		$json = array(
+			'id'     => 'https://remote.example/@organizer/events/new-year-party#create',
+			'type'   => 'Create',
+			'actor'  => 'https://remote.example/@organizer',
+			'object' => array(
+				'id'        => 'https://remote.example/@organizer/events/new-year-party',
+				'type'      => 'Event',
+				'startTime' => \gmdate( 'Y-m-d\TH:i:s\Z', time() + WEEK_IN_SECONDS ),
+				'endTime'   => \gmdate( 'Y-m-d\TH:i:s\Z', time() + WEEK_IN_SECONDS + HOUR_IN_SECONDS ),
+				'name'      => 'Fediverse Party for The Events Calendar',
+				'to'        => 'https://www.w3.org/ns/activitystreams#Public',
+				'published' => '2020-01-01T00:00:00Z',
+				'location'  => array(
+					'type'    => 'Place',
+					'name'    => 'Fediverse Concert Hall',
+					'address' => 'Fedistreet 13, Feditown 1337',
+				),
+			),
+		);
+
+		$request = new WP_REST_Request( 'POST', '/activitypub/1.0/users/0/inbox' );
+		$request->set_header( 'Content-Type', 'application/activity+json' );
+		$request->set_body( \wp_json_encode( $json ) );
+
+		// Dispatch the request.
+		$response = \rest_do_request( $request );
+		$this->assertEquals( 202, $response->get_status() );
+
+		// Check if post has been created.
+		$events = tribe_get_events();
+		$this->assertEquals( 1, count( $events ) );
+
+		// Create a The Events Calendar Event without content.
+		$wp_object = tribe_events()
+			->set_args( TRIBE_Transformer_Test::MOCKUP_EVENTS['minimal_event'] )
+			->create();
+
+		$this->assertNotEquals( false, $wp_object );
+		// Check if we now have two tribe events.
+		$events = tribe_get_events();
+		$this->assertEquals( 2, count( $events ) );
+
+		$events = The_Events_Calendar::get_cached_remote_events( time() + MONTH_IN_SECONDS );
+		$this->assertEquals( 1, count( $events ) );
+		$this->assertEquals( $json['object']['id'], get_post( $events[0] )->guid );
+
+		$events = The_Events_Calendar::get_cached_remote_events( time() - WEEK_IN_SECONDS );
+		$this->assertEquals( 0, count( $events ) );
+
+		\remove_filter( 'activitypub_defer_signature_verification', '__return_true' );
+	}
+}