private async Task <MeetingTimeSuggestionsResult> FindMeetingTimesAsync(IEnumerable <AttendeeBase> attendees, TimeConstraint timeConstraint = null, bool isOrgnizerOptional = true)
{
try
{
var suggestion = await _graphClient.Me.FindMeetingTimes(attendees, timeConstraint : timeConstraint, isOrganizerOptional : isOrgnizerOptional).Request().PostAsync();
return(suggestion);
}
catch (ServiceException ex)
{
throw GraphClient.HandleGraphAPIException(ex);
}
}
// 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);
}
}
private async Task <Event> CreateEventAsync(Event newEvent)
{
try
{
// Add the event.
var createdEvent = await _graphClient.Me.Events.Request().AddAsync(newEvent);
return(createdEvent);
}
catch (ServiceException ex)
{
throw GraphClient.HandleGraphAPIException(ex);
}
}
/// <summary>
/// GetContactAsync.
/// </summary>
/// <param name="name">name.</param>
/// <returns>Task contains List of Contacts.</returns>
private async Task <List <Contact> > GetMSContactsAsync(string name)
{
List <Contact> items = new List <Contact>();
var optionList = new List <QueryOption>();
var filterString = $"startswith(displayName, '{name}') or startswith(givenName,'{name}') or startswith(surname,'{name}')";
optionList.Add(new QueryOption("$filter", filterString));
// Get the current user's profile.
IUserContactsCollectionPage contacts = null;
try
{
contacts = await this._graphClient.Me.Contacts.Request(optionList).GetAsync();
}
catch (ServiceException ex)
{
throw GraphClient.HandleGraphAPIException(ex);
}
if (contacts?.Count > 0)
{
foreach (Contact contact in contacts)
{
// Filter out conference rooms.
string displayName = contact.DisplayName ?? string.Empty;
if (!displayName.StartsWith("Conf Room"))
{
// Get user properties.
items.Add(contact);
}
if (items.Count >= 10)
{
break;
}
}
}
return(items);
}
/// <summary>
/// GetUsersAsync.
/// </summary>
/// <param name="name">name.</param>
/// <returns>Task contains List of Users.</returns>
private async Task <List <User> > GetMSUserAsync(string name)
{
var items = new List <User>();
var optionList = new List <QueryOption>();
var filterString = $"startswith(displayName, '{name}') or startswith(givenName,'{name}') or startswith(surname,'{name}') or startswith(mail,'{name}') or startswith(userPrincipalName,'{name}')";
optionList.Add(new QueryOption("$filter", filterString));
// Get the current user's profile.
IGraphServiceUsersCollectionPage users = null;
try
{
users = await _graphClient.Users.Request(optionList).GetAsync();
}
catch (ServiceException ex)
{
throw GraphClient.HandleGraphAPIException(ex);
}
if (users?.Count > 0)
{
foreach (var user in users)
{
// Filter out conference rooms.
var displayName = user.DisplayName ?? string.Empty;
if (!displayName.StartsWith("Conf Room"))
{
// Get user properties.
items.Add(user);
}
if (items.Count >= 10)
{
break;
}
}
}
return(items);
}
private async Task <List <Event> > GetMyCalendarViewByTimeAsync(DateTime startTime, DateTime endTime)
{
var items = new List <Event>();
// Define the time span for the calendar view.
var options = new List <QueryOption>
{
new QueryOption("startDateTime", startTime.ToString("o")),
new QueryOption("endDateTime", endTime.ToString("o")),
new QueryOption("$orderBy", "start/dateTime"),
};
IUserCalendarViewCollectionPage events = null;
try
{
events = await _graphClient.Me.CalendarView.Request(options).GetAsync();
}
catch (ServiceException ex)
{
throw GraphClient.HandleGraphAPIException(ex);
}
if (events?.Count > 0)
{
items.AddRange(events);
}
while (events.NextPageRequest != null)
{
events = await events.NextPageRequest.GetAsync();
if (events?.Count > 0)
{
items.AddRange(events);
}
}
return(items);
}
// Get user's calendar view.
// This snippets gets events for the next seven days.
private async Task <List <Event> > GetMyUpcomingCalendarViewAsync(TimeSpan?timeSpan = null)
{
var items = new List <Event>();
// Define the time span for the calendar view.
var options = new List <QueryOption>
{
new QueryOption("startDateTime", DateTime.UtcNow.ToString("o")),
new QueryOption("endDateTime", timeSpan == null ? DateTime.UtcNow.AddDays(1).ToString("o") : DateTime.UtcNow.Add(timeSpan.Value).ToString("o")),
new QueryOption("$orderBy", "start/dateTime"),
};
ICalendarCalendarViewCollectionPage calendar = null;
try
{
calendar = await _graphClient.Me.Calendar.CalendarView.Request(options).GetAsync();
}
catch (ServiceException ex)
{
throw GraphClient.HandleGraphAPIException(ex);
}
if (calendar?.Count > 0)
{
items.AddRange(calendar);
}
while (calendar.NextPageRequest != null)
{
calendar = await calendar.NextPageRequest.GetAsync();
if (calendar?.Count > 0)
{
items.AddRange(calendar);
}
}
return(items);
}
// Get events in all the current user's mail folders.
private async Task <List <Event> > GetMyStartTimeEventsAsync(DateTime startTime)
{
var items = new List <Event>();
// Get events.
var options = new List <QueryOption>();
var endTime = startTime.AddDays(3);
options.Add(new QueryOption("startdatetime", startTime.ToString("o")));
options.Add(new QueryOption("enddatetime", endTime.ToString("o")));
options.Add(new QueryOption("$orderBy", "start/dateTime"));
IUserCalendarViewCollectionPage events = null;
try
{
events = await _graphClient.Me.CalendarView.Request(options).GetAsync();
}
catch (ServiceException ex)
{
throw GraphClient.HandleGraphAPIException(ex);
}
if (events?.Count > 0)
{
items.AddRange(events);
}
while (events.NextPageRequest != null)
{
events = await events.NextPageRequest.GetAsync();
if (events?.Count > 0)
{
items.AddRange(events);
}
}
return(items);
}
public async Task <PersonModel> GetMeAsync()
{
try
{
var me = await _graphClient.Me.Request().GetAsync();
if (me != null)
{
var url = await GetMSUserPhotoUrlAsyc(me.Id);
var personMe = new PersonModel(me.ToPerson());
personMe.Photo = url;
return(personMe);
}
return(null);
}
catch (ServiceException ex)
{
throw GraphClient.HandleGraphAPIException(ex);
}
}
/// <summary>
/// Get people whose name contains specified word.
/// </summary>
/// <param name="name">person name.</param>
/// <returns>the persons list.</returns>
private async Task <List <Person> > GetMSPeopleAsync(string name)
{
var items = new List <Person>();
var optionList = new List <QueryOption>();
var filterString = $"\"{name}\"";
optionList.Add(new QueryOption("$search", filterString));
// Get the current user's profile.
IUserPeopleCollectionPage users = null;
try
{
users = await _graphClient.Me.People.Request(optionList).GetAsync();
}
catch (ServiceException ex)
{
throw GraphClient.HandleGraphAPIException(ex);
}
// var users = await _graphClient.Users.Request(optionList).GetAsync();
if (users?.Count > 0)
{
foreach (var user in users)
{
// Filter out conference rooms.
var displayName = user.DisplayName ?? string.Empty;
if (!displayName.StartsWith("Conf Room"))
{
// Get user properties.
items.Add(user);
}
}
}
return(items);
}
