Has anyone tried integrating NetSuite backend to read/write data from within iOS app developed using SwiftUI? Does it require any middleware server to achieve the same? I am trying to develop an e-commerce app for customers that connects with NetSuite either directly (preferred) OR using a server backed by Node JS (if required). Would really appreciate if I can get some guidance on how OAuth authentication can be coded in a Swift class so as to feed in the credentials for establishing the API connection.