*
		 * @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;
	}

	/**
	 * Prepare links for the request.
	 *
	 * @since 1.0.0-beta.9
	 * @since 1.0.0-beta.14 Added `$request` parameter.
	 * @since 1.0.0-beta.18 Fixed access plans link.
	 *
	 * @param LLMS_Membership $membership LLMS Membership.
	 * @param WP_REST_Request $request    Request object.
	 * @return array Links for the given object.
	 */
	protected function prepare_links( $membership, $request ) {

		$links = parent::prepare_links( $membership, $request );
		unset( $links['content'] );
		$id = $membership->get( 'id' );

		// Access plans.
		$links['access_plans'] = array(
			'href' => add_query_arg(
				'post_id',
				$id,
				rest_url( sprintf( '%s/%s', $this->namespace, 'access-plans' ) )
			),
		);

		// Auto enrollment courses.
		$auto_enroll_courses = implode( ',', $membership->get_auto_enroll_courses() );
		if ( $auto_enroll_courses ) {
			$links['auto_enrollment_courses'] = array(
				'href' => add_query_arg(
					'include',
					$auto_enroll_courses,
					rest_url( sprintf( '%s/%s', $this->namespace, 'courses' ) )
				),
			);
		}

		// Enrollments.
		$links['enrollments'] = array(
			'href' => rest_url( sprintf( '/%s/%s/%d/%s', $this->namespace, $this->rest_base, $id, 'enrollments' ) ),
		);

		// Instructors.
		$links['instructors'] = array(
			'href' => add_query_arg(
				'post',
				$id,
				rest_url( sprintf( '%s/%s', $this->namespace, 'instructors' ) )
			),