public async Task <ApplicationUser> RegisterNewUser(string username, string displayName, string email, string password)
{
this.ValidateUserPassword(password);
ApplicationUser user = await authManager.FindByNameAsync(username);
user = await ValidateIfUserAlreadyExists(email, user);
user = this.PopulateUserData(username, displayName, email, DateTime.Now);
await authManager.CreateAsync(user, password);
await authManager.AddToRoleAsync(user, "RegisteredUser");
await context.SaveChangesAsync();
return(user);
}
