protected function prepare_item_for_database( $request ) {
		$prepared_item = parent::prepare_item_for_database( $request );
		$schema        = $this->get_item_schema();

		// Restriction action.
		if ( ! empty( $schema['properties']['restriction_action'] ) && isset( $request['restriction_action'] ) ) {
			$prepared_item['restriction_redirect_type'] = $request['restriction_action'];
		}

		// Restriction page id.
		if ( ! empty( $schema['properties']['restriction_page_id'] ) && isset( $request['restriction_page_id'] ) ) {
			$page = get_post( $request['restriction_page_id'] );
			if ( $page && is_a( $page, 'WP_Post' ) ) {
				$prepared_item['redirect_page_id'] = $request['restriction_page_id'];
			} else {
				$prepared_item['redirect_page_id'] = 0;
			}
		}

		// Restriction URL.
		if ( ! empty( $schema['properties']['restriction_url'] ) && isset( $request['restriction_url'] ) ) {
			$prepared_item['redirect_custom_url'] = $request['restriction_url'];
		}

		// Sales page id.
		if ( ! empty( $schema['properties']['sales_page_page_id'] ) && isset( $request['sales_page_page_id'] ) ) {
			$page = get_post( $request['sales_page_page_id'] );
			if ( $page && is_a( $page, 'WP_Post' ) ) {
				$prepared_item['sales_page_content_page_id'] = $request['sales_page_page_id'];
			} else {
				$prepared_item['sales_page_content_page_id'] = 0;
			}
		}

		// Sales page type.
		if ( ! empty( $schema['properties']['sales_page_type'] ) && isset( $request['sales_page_type'] ) ) {
			$prepared_item['sales_page_content_type'] = $request['sales_page_type'];
		}

		// Sales page URL.
		if ( ! empty( $schema['properties']['sales_page_url'] ) && isset( $request['sales_page_url'] ) ) {
			$prepared_item['sales_page_content_url'] = $request['sales_page_url'];
		}

		/**
		 * Filters the membership data for a response.
		 *
		 * @since 1.0.0-beta.9
		 *
		 * @param array           $prepared_item Array of membership item properties prepared for database.
		 * @param WP_REST_Request $request       Full details about the request.
		 * @param array           $schema        The item schema.
		 */
		$prepared_item = apply_filters( 'llms_rest_pre_insert_membership', $prepared_item, $request, $schema );

		return $prepared_item;
	}