// Check the availability of people/rooms with corresponding emails on condition of startTime and duration.
public async Task <List <bool> > CheckAvailableAsync(List <string> users, DateTime startTime, int availabilityViewInterval)
{
try
{
List <bool> availability = new List <bool>();
var schedules = users;
var intervalStartTime = new DateTimeTimeZone
{
DateTime = startTime.ToString(),
TimeZone = "UTC"
};
var intervalEndTime = new DateTimeTimeZone
{
DateTime = startTime.AddDays(1).ToString(),
TimeZone = "UTC"
};
ICalendarGetScheduleCollectionPage collectionPage = await _graphClient.Me.Calendar
.GetSchedule(schedules, intervalEndTime, intervalStartTime, availabilityViewInterval)
.Request()
.PostAsync();
// AvailabilityView[0] == '0' means available, while others mean not available.
foreach (var page in collectionPage)
{
// Can't find this room.
if (page.AvailabilityView == null)
{
availability.Add(false);
continue;
}
// AvailabilityViem is empty, should not get into this state.
if (page.AvailabilityView.Length == 0)
{
throw new Exception("There is no elements in AvailabilityView");
}
availability.Add(page.AvailabilityView.Length > 0 && page.AvailabilityView[0] == '0');
}
return(availability);
}
catch (ServiceException ex)
{
throw GraphClient.HandleGraphAPIException(ex);
}
}
/// <inheritdoc/>
internal override async Task <WorkingHours> CallGraphServiceWithResultAsync(IGraphServiceClient client, IReadOnlyDictionary <string, object> parameters, CancellationToken cancellationToken)
{
var addressProperty = (string)parameters["Address"];
var startProperty = DateTime.UtcNow.Date;
var endProperty = startProperty.Date.AddHours(23).AddMinutes(59);
ICalendarGetScheduleCollectionPage schedule = await client.Me.Calendar.GetSchedule(
Schedules : new[] { addressProperty },
StartTime : DateTimeTimeZone.FromDateTime(startProperty, "UTC"),
EndTime : DateTimeTimeZone.FromDateTime(endProperty, "UTC"))
.Request()
.PostAsync()
.ConfigureAwait(false);
var workingHours = schedule.First().WorkingHours;
return(workingHours);
}
public async Task <AvailabilityResult> GetUserAvailabilityAsync(string userEmail, List <string> attendees, DateTime startTime, int availabilityViewInterval)
{
List <bool> availability = new List <bool>();
attendees.Add(userEmail);
var schedules = attendees;
var endTime = startTime.AddDays(1);
var intervalStartTime = new DateTimeTimeZone
{
DateTime = startTime.ToString(),
TimeZone = "UTC"
};
var intervalEndTime = new DateTimeTimeZone
{
DateTime = endTime.ToString(),
TimeZone = "UTC"
};
ICalendarGetScheduleCollectionPage collectionPage = await _graphClient.Me.Calendar
.GetSchedule(schedules, intervalEndTime, intervalStartTime, availabilityViewInterval)
.Request()
.PostAsync();
var result = new AvailabilityResult();
// set non-working time as 3 in availability view
foreach (var collection in collectionPage)
{
var availabilityView = collection.AvailabilityView.ToCharArray();
if (collection.WorkingHours != null)
{
var workingTimeZone = TimeZoneInfo.FindSystemTimeZoneById(collection.WorkingHours.TimeZone.Name);
var startTimeInWorkTimeZone = TimeConverter.ConvertUtcToUserTime(startTime, workingTimeZone);
var workingStartTimeTimeOfDay = collection.WorkingHours.StartTime;
var workingStartTime = new DateTime(
startTimeInWorkTimeZone.Year,
startTimeInWorkTimeZone.Month,
startTimeInWorkTimeZone.Day,
workingStartTimeTimeOfDay.Hour,
workingStartTimeTimeOfDay.Minute,
workingStartTimeTimeOfDay.Second);
var workingEndTimeTimeOfDay = collection.WorkingHours.EndTime;
var workingEndTime = new DateTime(
startTimeInWorkTimeZone.Year,
startTimeInWorkTimeZone.Month,
startTimeInWorkTimeZone.Day,
workingEndTimeTimeOfDay.Hour,
workingEndTimeTimeOfDay.Minute,
workingEndTimeTimeOfDay.Second);
var workDays = collection.WorkingHours.DaysOfWeek.Select(li => (int)li);
for (int i = 0; i < availabilityView.Length; i++)
{
if (availabilityView[i] == '0')
{
var availabilityViewStartTime = startTime.AddMinutes(i * CalendarCommonUtil.AvailabilityViewInterval);
availabilityViewStartTime = TimeConverter.ConvertUtcToUserTime(availabilityViewStartTime, workingTimeZone);
if (!workDays.Contains((int)availabilityViewStartTime.DayOfWeek))
{
availabilityView[i] = '3';
continue;
}
var availabilityViewEndTime = availabilityViewStartTime.AddMinutes(CalendarCommonUtil.AvailabilityViewInterval);
if (!((availabilityViewStartTime.TimeOfDay >= workingStartTime.TimeOfDay && availabilityViewStartTime.TimeOfDay < workingEndTime.TimeOfDay) ||
(availabilityViewEndTime.TimeOfDay > workingStartTime.TimeOfDay && availabilityViewEndTime.TimeOfDay <= workingEndTime.TimeOfDay)))
{
availabilityView[i] = '3';
}
}
}
}
result.AvailabilityViewList.Add(new string(availabilityView));
}
result.MySchedule.AddRange(collectionPage.Last().ScheduleItems.Select(li => new EventModel(EventSource.Microsoft)
{
Title = li.Subject,
StartTime = DateTime.Parse(li.Start.DateTime + "Z").ToUniversalTime(),
EndTime = DateTime.Parse(li.End.DateTime + "Z").ToUniversalTime(),
Location = li.Location
}));
return(result);
}
