public function get_items( $request ) {
		$args = array(
			'exclude'           => $request['exclude'],
			'in'                => $request['include'],
			'page'              => $request['page'],
			'per_page'          => $request['per_page'],
			'search_terms'      => $request['search'],
			'sort'              => $request['order'],
			'spam'              => $request['status'],
			'display_comments'  => $request['display_comments'],
			'site_id'           => $request['site_id'],
			'group_id'          => $request['group_id'],
			'count_total'       => true,
			'fields'            => 'all',
			'show_hidden'       => false,
			'update_meta_cache' => true,
			'filter'            => false,
		);

		if ( empty( $args['display_comments'] ) || 'false' === $args['display_comments'] ) {
			$args['display_comments'] = false;
		}

		if ( empty( $request['exclude'] ) ) {
			$args['exclude'] = false;
		}

		if ( empty( $request['include'] ) ) {
			$args['in'] = false;
		}

		if ( isset( $request['after'] ) ) {
			$args['since'] = $request['after'];
		}

		if ( isset( $request['user_id'] ) ) {
			$args['filter']['user_id'] = $request['user_id'];
		}

		$item_id = 0;
		if ( ! empty( $args['group_id'] ) ) {
			$args['filter']['object']     = 'groups';
			$args['filter']['primary_id'] = $args['group_id'];

			$item_id = $args['group_id'];
		}

		if ( ! empty( $args['site_id'] ) ) {
			$args['filter']['object']     = 'blogs';
			$args['filter']['primary_id'] = $args['site_id'];

			$item_id = $args['site_id'];
		}

		if ( empty( $args['group_id'] ) && empty( $args['site_id'] ) ) {
			if ( isset( $request['component'] ) ) {
				$args['filter']['object'] = $request['component'];
			}

			if ( ! empty( $request['primary_id'] ) ) {
				$item_id                      = $request['primary_id'];
				$args['filter']['primary_id'] = $item_id;
			}
		}

		if ( isset( $request['type'] ) ) {
			$args['filter']['action'] = $request['type'];
		}

		if ( ! empty( $request['secondary_id'] ) ) {
			$args['filter']['secondary_id'] = $request['secondary_id'];
		}

		if ( $args['in'] ) {
			$args['count_total'] = false;
		}

		if ( $this->show_hidden( $request['component'], $item_id ) ) {
			$args['show_hidden'] = true;
		}

		/**
		 * Filter the query arguments for the request.
		 *
		 * @since 5.0.0
		 *
		 * @param array           $args    Key value array of query var to query value.
		 * @param WP_REST_Request $request The request sent to the API.
		 */
		$args = apply_filters( 'bp_rest_activity_get_items_query_args', $args, $request );

		// Actually, query it.
		$activities = bp_activity_get( $args );

		$retval = array();
		foreach ( $activities['activities'] as $activity ) {
			$retval[] = $this->prepare_response_for_collection(
				$this->prepare_item_for_response( $activity, $request )
			);
		}

		$response = rest_ensure_response( $retval );
		$response = bp_rest_response_add_total_headers( $response, $activities['total'], $args['per_page'] );

		/**
		 * Fires after a list of activities is fetched via the REST API.
		 *
		 * @since 5.0.0
		 *
		 * @param array            $activities Fetched activities.
		 * @param WP_REST_Response $response   The response data.
		 * @param WP_REST_Request  $request    The request sent to the API.
		 */
		do_action( 'bp_rest_activity_get_items', $activities, $response, $request );

		return $response;
	}