public async Task GetCurrentUser()

in src/Modules/SimplCommerce.Module.Core/Extensions/WorkContext.cs [36:76]
36 lines of code
7 McCabe index (conditional complexity)

        public async Task<User> GetCurrentUser()
        {
            if (_currentUser != null)
            {
                return _currentUser;
            }

            var contextUser = _httpContext.User;
            _currentUser = await _userManager.GetUserAsync(contextUser);

            if (_currentUser != null)
            {
                return _currentUser;
            }

            var userGuid = GetUserGuidFromCookies();
            if (userGuid.HasValue)
            {
                _currentUser = _userRepository.Query().Include(x => x.Roles).FirstOrDefault(x => x.UserGuid == userGuid);
            }

            if (_currentUser != null && _currentUser.Roles.Count == 1 && _currentUser.Roles.First().RoleId == GuestRoleId)
            {
                return _currentUser;
            }

            userGuid = Guid.NewGuid();
            var dummyEmail = string.Format("{0}@guest.simplcommerce.com", userGuid);
            _currentUser = new User
            {
                FullName = "Guest",
                UserGuid = userGuid.Value,
                Email = dummyEmail,
                UserName = dummyEmail,
                Culture = _configuration.GetValue<string>("Global.DefaultCultureUI") ?? GlobalConfiguration.DefaultCulture
            };
            var abc = await _userManager.CreateAsync(_currentUser, "1qazZAQ!");
            await _userManager.AddToRoleAsync(_currentUser, "guest");
            SetUserGuidCookies();
            return _currentUser;
        }