MUser

constructor(id: String?, userId: String, displayName: String, firstName: String, lastName: String, email: String, bookListings: List<String>, savedBooks: List<String>)

String? the firebase ID of the user

userId

String the ID of the user

displayName

String the display name of the user

firstName

String the first name of the user

lastName

String the last name of the user

String the email of the user

bookListings

List the list of book listings of the user

savedBooks

List the list of saved books of the user