BeerDrinkin.Core.ViewModels.CheckInsViewModel.FetchCheckIns C# (CSharp) Method

        public async Task<List<CheckIn>> FetchCheckIns(string userId = "")
        {
            var checkins = await checkInStore.GetItemsAsync();

            if(string.IsNullOrEmpty(userId))
            {
                return checkins.ToList();
            }

            //TODO return for the currently signed in user.

            return null;
        }
    }