private readonly int loggedInUserExpiryIntervalInSeconds = 6 * 60 * 60;    // 6 hours

        public SecurityGroupHandler(IHttpContextAccessor httpContextAccessor, IConfiguration configuration)
        {
            loggedInUsersCache = new Dictionary <string, Dictionary <string, long> >();
            var applensAccess  = new SecurityGroupConfig();
            var applensTesters = new SecurityGroupConfig();

            configuration.Bind("ApplensAccess", applensAccess);
            configuration.Bind("ApplensTesters", applensTesters);
            loggedInUsersCache.Add(applensAccess.GroupId, new Dictionary <string, long>());
            loggedInUsersCache.Add(applensTesters.GroupId, new Dictionary <string, long>());

            ClearLoggedInUserCache();
            _httpContextAccessor = httpContextAccessor;
        }
        public SecurityGroupHandler(IHttpContextAccessor httpContextAccessor, IConfiguration configuration, ICosmosDBHandler <TemporaryAccessUser> cosmosDBHandler)
        {
            loggedInUsersCache = new Dictionary <string, Dictionary <string, CachedUser> >();
            var applensAccess  = new SecurityGroupConfig();
            var applensTesters = new SecurityGroupConfig();

            configuration.Bind("ApplensAccess", applensAccess);
            configuration.Bind("ApplensTesters", applensTesters);
            loggedInUsersCache.Add(applensAccess.GroupId, new Dictionary <string, CachedUser>());
            loggedInUsersCache.Add(applensTesters.GroupId, new Dictionary <string, CachedUser>());
            loggedInUsersCache.Add("TemporaryAccess", new Dictionary <string, CachedUser>());

            ClearLoggedInUserCache();
            _httpContextAccessor = httpContextAccessor;

            var accessDurationInDays = configuration["ApplensTemporaryAccess:AccessDurationInDays"];

            int.TryParse(accessDurationInDays.ToString(), out temporaryAccessDays);
            temporaryAccessExpiryInSeconds = temporaryAccessDays * 24 * 60 * 60;
            _cosmosDBHandler = cosmosDBHandler;
        }