public AddAuthorHandler(ApplicationContext context, AuthorAssignService assignService)
{
Context = context ?? throw new ArgumentNullException(nameof(context));
AssignService = assignService ?? throw new ArgumentNullException(nameof(assignService));
}
public RegisterHandler(UserManager <User> userManager, SignInManager <User> signInManager, AuthorAssignService assignService)
{
_userManager = userManager ?? throw new ArgumentNullException(nameof(userManager));
_signInManager = signInManager ?? throw new ArgumentNullException(nameof(signInManager));
_assignService = assignService ?? throw new ArgumentNullException(nameof(assignService));
}
