public async Task <IEnumerable <int> > GetMissingDates(IEnumerable <IPost> posts, Schedule schedule)
{
var tempList = posts.ToList();
var missing = new List <int>();
await Task.Run(() => {
var firstDate = DateTime.Now;
var nextDate = firstDate;
int totalCount = tempList.Count();
while (totalCount < MAX_POSTPONED + RESERVE)
{
var thisDayDate = nextDate;
var thisDayPosts = tempList.Where(i => UnixTimeConverter.ToDateTime(i.Date).Date == thisDayDate.Date).ToList();
foreach (var scheduleItem in schedule.Items)
{
if (totalCount >= MAX_POSTPONED + RESERVE)
{
break;
}
var scheduledDate =
ConvertScheduleItemToDateTime(new DateTime(thisDayDate.Year, thisDayDate.Month, thisDayDate.Day),
scheduleItem);
if (scheduledDate <= DateTime.Now)
{
continue;
}
var isTimeCorrectlyScheduled =
thisDayPosts.Any(i => IsTimeCorrectlyScheduled(i.Date, scheduleItem));
if (isTimeCorrectlyScheduled == false)
{
totalCount++;
missing.Add(UnixTimeConverter.ToUnix(scheduledDate));
}
}
nextDate = nextDate.AddDays(1);
}
missing.Sort((a, b) => a.CompareTo(b));
return(missing);
});
return(missing);
}
//todo: put this somewhere else
public bool IsDateMatchTheSchedule(int unixTime, Schedule schedule)
{
var dateTime = UnixTimeConverter.ToDateTime(unixTime);
return(schedule.Items.Any(i => i.Hour == dateTime.Hour && i.Minute == dateTime.Minute));
}
public bool IsTimeCorrectlyScheduled(int unixTime, ScheduleItem scheduleItem)
{
var dateTime = UnixTimeConverter.ToDateTime(unixTime);
return(new ScheduleItem(dateTime).Equals(scheduleItem));
}