public IEnumerable <TimeStatisticItem> GetStatisticsPerHour(IEnumerable <Message> latestMessages, TimeRange expectedTimeRange)
{
var result = new List <TimeStatisticItem>();
expectedTimeRange.ForeachHour((i, hour) =>
{
var sum = latestMessages.Where(x => x.SentAt.Date == hour.Date && x.SentAt.Hour == hour.Hour).Count();
var item = new TimeStatisticItem(TimeRange.Create(hour, hour.AddHours(1).AddSeconds(-1)), sum);
result.Add(item);
});
return(result);
}
