{
		$purchase_code = $request->get_param( 'code' );
		$nonce         = sanitize_key( $request->get_param( 'nonce' ) );

		try {
			if ( empty( $purchase_code ) ) {
				throw new \Exception( esc_html__( 'Purchase code is required.', 'jnews' ) );
			}

			if ( empty( $nonce ) || ! wp_verify_nonce( $nonce, 'wp_rest' ) ) {
				throw new \Exception( esc_html__( 'You are not allowed to perform this action.', 'jnews' ) );
			}

			jnews_reset_license();

			return $this->response_success( array( 'success' => true ) );
		} catch ( \Exception $e ) {
			return $this->response_error( $e->getMessage() );
		}
	}

	/**
	 * Return error response
	 *
	 * @param string $message Error message.
	 *
	 * @return \WP_REST_Response
	 */
	public function response_error( $message ) {
		return new \WP_REST_Response(
			array(
				'message' => $message,
			),
			500
		);
	}

	/**
	 * Return success response
	 *
	 * @param array $args args.
	 *
	 * @return \WP_REST_Response
	 */
	public function response_success( $args ) {
		return new \WP_REST_Response( $args, 200 );
	}

	/**
	 * Save Panel Options
	 *
	 * @param \WP_REST_Request $request Core class used to implement a REST request object.
	 *
	 * @return \WP_REST_Response|array
	 */
	public function save_panel_options( $request ) {
		$action      = sanitize_key( $request->get_param( 'action' ) );
		$nonce       = sanitize_key( $request->get_param( 'nonce' ) );
		$panel_nonce = sanitize_key( $request->get_param( 'panelNonce' ) );
		$options     = $request->get_param( 'options' );
		if ( ! wp_verify_nonce( $nonce, 'wp_rest', false ) || empty( $panel_nonce ) || empty( $options ) ) {
			return $this->response_error( esc_html__( 'You are not allowed to perform this action.', 'jnews' ) );
		}
		return $this->response_success( apply_filters( 'jnews_panel_request_save', $options, $action, $panel_nonce ) );
	}

	/**
	 * Validate plugin
	 *
	 * @param \WP_REST_Request $request Core class used to implement a REST request object.
	 *
	 * @return \WP_Error|array
	 */
	public function validate_plugin( $request ) {
		$plugins = $request->get_param( 'plugins' );
		$nonce   = sanitize_key( $request->get_param( 'nonce' ) );
		if ( ! wp_verify_nonce( $nonce, 'wp_rest', false ) ) {
			return $this->response_error( esc_html__( 'You are not allowed to perform this action.', 'jnews' ) );
		}
		return $this->response_success( Plugin::validate_plugin( $plugins ) );
	}
}