/// <summary>
/// Get vacant time slots from Italki, shredded as sessions
/// </summary>
/// <returns></returns>
public static async Task <IEnumerable <SessionDto> > GetOfferedSchedules(DateTime startDate, DateTime endDate, bool forceRealTime)
{
// Load all the HTML pages simultaneously.
var tasks = ItalkiTeachers.Select(i => GetTeacherPeriods(i.UserId, forceRealTime));
var teacherPeriodsArray = await Task.WhenAll(tasks);
// italki does not allow booking in less than 24 hour.
var threshold = GetBookingTimeThreshold();
var allPeriods = teacherPeriodsArray
// Flatten all lists
.SelectMany(i => i)
// Filter
.Where(i =>
(i.Start < endDate) &&
(i.End > startDate) &&
// There may be 30-minute "left over" slots available. We filter them out. Our sessions are 60 minutes.
(i.Duration >= SessionDuration) &&
(i.End >= threshold + SessionDuration)
)
;
// Merge all periods for display.
ITimePeriodCollection periodCollection = new TimePeriodCollection();
var periodCombiner = new TimePeriodCombiner <TeacherTimeRange>();
periodCollection.AddAll(allPeriods);
periodCollection = periodCombiner.CombinePeriods(periodCollection);
var offeredSessions = periodCollection
.Select(i => new SessionDto
{
Start = i.Start >= threshold ? i.Start : threshold,
End = i.End,
});
return(offeredSessions);
}
public void GetFreeBusyRequestTimePeriodIntersectorTest()
{
//取得會議室資訊
var calendarAttributes =
"fullName,email";
var searchMeetingRooms = new SearchCalendarResourcesRequest(calendarAttributes);
ZmailRequest.ApiRequest = searchMeetingRooms;
var zResquestRoom = ZmailDispatcher.SendRequest(ZmailRequest);
var respRoom = zResquestRoom.ApiResponse as SearchCalendarResourcesResponse;
var crList = respRoom?.CalendarResourceList;
if (crList != null)
{
var crEmails = crList.Select(cr => cr.AttributesList.Where(ar => ar.Key.Equals("email")).Select(ar => ar.Value).FirstOrDefault());
var sdate = DateTime.Now;
var edate = sdate.AddDays(7);
//多人請用逗號隔開
var crEmailStrings = string.Join(",", crEmails.ToArray());
var searchNames = "[email protected],[email protected]," + crEmailStrings;
ZmailRequest.ApiRequest = new GetFreeBusyRequest(sdate, edate, searchNames);
var zResquest = ZmailDispatcher.SendRequest(ZmailRequest);
var resp = zResquest.ApiResponse as GetFreeBusyResponse;
var wkHours = resp?.Workinghours;
if (wkHours != null)
{
var periods = new Dictionary <string, TimePeriodCollection>();
var users = wkHours.Users.Where(u => !crEmails.Contains(u.id));
//找出所有人的共同時間
var periodIntersector = new TimePeriodIntersector <TimeRange>();
var resultPeriods = new TimePeriodCollection();
var idx = 0;
foreach (var user in users)
{
Console.WriteLine(user.id);
Console.WriteLine("Free");
var userPeriods = new TimePeriodCollection();
foreach (var f in user.Fs)
{
Console.WriteLine($" {f.s} - {f.e}");
userPeriods.Add(new TimeRange(f.s, f.e));
}
periods.Add(user.id, userPeriods);
if (idx == 0)
{
resultPeriods.AddAll(user.Fs.Select(f => new TimeRange(f.s, f.e)));
}
else
{
resultPeriods.AddAll(user.Fs.Select(f => new TimeRange(f.s, f.e)));
if (resultPeriods.Any())
{
var intersectedPeriods = periodIntersector.IntersectPeriods(resultPeriods, false);
resultPeriods.Clear();
resultPeriods.AddAll(intersectedPeriods.Select(p => new TimeRange(p.Start, p.End)));
}
}
}
Console.WriteLine("...共同的時間...");
foreach (var intersectedPeriod in resultPeriods)
{
Console.WriteLine("所有人共同的的時間 Period: " + intersectedPeriod);
}
//對應到會議室
var crs = wkHours.Users.Where(u => crEmails.Contains(u.id));
foreach (var cr in crList)
{
var email = cr.AttributesList.Where(ar => ar.Key.Equals("email"))
.Select(ar => ar.Value)
.FirstOrDefault();
var fullName = cr.AttributesList.Where(ar => ar.Key.Equals("fullName"))
.Select(ar => ar.Value)
.FirstOrDefault();
Console.WriteLine($"{fullName}:{email}");
var crHour = wkHours.Users.FirstOrDefault(u => u.id.Equals(email));
if (crHour != null)
{
var crPeriods = new TimePeriodCollection();
crPeriods.AddAll(resultPeriods.Select(p => new TimeRange(p.Start, p.End)));
crPeriods.AddAll(crHour.Fs.Select(f => new TimeRange(f.s, f.e)));
var intersectedPeriods = periodIntersector.IntersectPeriods(crPeriods, false);
Console.WriteLine($"{fullName}:{email}...共同的時間...");
foreach (var intersectedPeriod in intersectedPeriods)
{
Console.WriteLine(" Period: " + intersectedPeriod);
}
}
}
}
}
}
