BP_REST_Activity_Endpoint::prepare_item_for_database( WP_REST_Request $request )

	protected function prepare_item_for_database( $request ) {
		$prepared_activity = new stdClass();
		$schema            = $this->get_item_schema();
		$activity          = $this->get_activity_object( $request );

		if ( ! empty( $schema['properties']['id'] ) && ! empty( $activity->id ) ) {
			$prepared_activity     = $activity;
			$prepared_activity->id = $activity->id;

			if ( 'activity_comment' !== $request['type'] ) {
				$prepared_activity->error_type = 'wp_error';
			}
		}

		// Activity author ID.
		if ( ! empty( $schema['properties']['user_id'] ) && isset( $request['user_id'] ) ) {
			$prepared_activity->user_id = (int) $request['user_id'];
		} else {
			$prepared_activity->user_id = get_current_user_id();
		}

		// Activity component.
		if ( ! empty( $schema['properties']['component'] ) && isset( $request['component'] ) ) {
			$prepared_activity->component = $request['component'];
		} else {
			$prepared_activity->component = buddypress()->activity->id;
		}

		// Activity Item ID.
		if ( ! empty( $schema['properties']['primary_item_id'] ) && isset( $request['primary_item_id'] ) ) {
			$item_id = (int) $request['primary_item_id'];

			// Set the group ID of the activity.
			if ( bp_is_active( 'groups' ) && isset( $prepared_activity->component ) && buddypress()->groups->id === $prepared_activity->component ) {
				$prepared_activity->group_id = $item_id;

				$status = bp_get_group_status( groups_get_group( $item_id ) );

				// Use a generic item ID for other components.
			} else {
				$prepared_activity->item_id = $item_id;
			}
		}

		// Secondary Item ID.
		if ( ! empty( $schema['properties']['secondary_item_id'] ) && isset( $request['secondary_item_id'] ) ) {
			$prepared_activity->secondary_item_id = (int) $request['secondary_item_id'];
		}

		// Activity type.
		if ( ! empty( $schema['properties']['type'] ) && isset( $request['type'] ) ) {
			$prepared_activity->type = $request['type'];
		}

		// Activity content.
		if ( ! empty( $schema['properties']['content'] ) && isset( $request['content'] ) ) {
			if ( is_string( $request['content'] ) ) {
				$prepared_activity->content = $request['content'];
			} elseif ( isset( $request['content']['raw'] ) ) {
				$prepared_activity->content = $request['content']['raw'];
			}
		}

		// Activity Sitewide visibility.
		if ( ! empty( $schema['properties']['hidden'] ) && isset( $request['hidden'] ) ) {
			$prepared_activity->hide_sitewide = (bool) $request['hidden'];
		}

		// Activity Privacy.
		if ( ! empty( $schema['properties']['privacy'] ) && isset( $request['privacy'] ) ) {
			$prepared_activity->privacy = $request['privacy'];
		} else {
			if ( ! empty( $activity->privacy ) ) {
				$prepared_activity->privacy = $activity->privacy;
			} else {
				$prepared_activity->privacy = 'public';
			}
		}

		if ( ! empty( $status ) && in_array( $status, array( 'hidden', 'private' ), true ) ) {
			$prepared_activity->hide_sitewide = true;
		}

		// Ignore privacy passed when posting into group.
		if ( ! empty( $status ) ) {
			$prepared_activity->privacy = 'public';
		}

		/**
		 * Filters an activity before it is inserted or updated via the REST API.
		 *
		 * @param stdClass        $prepared_activity An object prepared for inserting or updating the database.
		 * @param WP_REST_Request $request           Request object.
		 *
		 * @since 0.1.0
		 */
		return apply_filters( 'bp_rest_activity_pre_insert_value', $prepared_activity, $request );
	}