// Get a specified event.
public async Task <EventsItem> GetEvent(GraphServiceClient graphClient, string id)
{
EventsItem items = new EventsItem();
// Get the event.
Event retrievedEvent = await graphClient.Me.Events[id].Request().GetAsync();
if (retrievedEvent != null)
{
items = new EventsItem()
{
Id = retrievedEvent.Id,
Body = retrievedEvent.Body,
Attendees = retrievedEvent.Attendees.ToList(),
Location = retrievedEvent.Location,
EndTime = retrievedEvent.End,
StartTime = retrievedEvent.Start,
Subject = retrievedEvent.Subject,
EventDate = DateTime.Parse(retrievedEvent.Start.DateTime.ToString()).Date,
EventDay = DateTime.Parse(retrievedEvent.Start.DateTime.ToString()).DayOfWeek,
EventStart = DateTime.Parse(retrievedEvent.Start.DateTime.ToString()).ToString("t"),
EventEnd = DateTime.Parse(retrievedEvent.End.DateTime.ToString()).ToString("t"),
};
}
return(items);
}
// Delete a specified event.
public async Task <EventsItem> DeleteEvent(GraphServiceClient graphClient, string id)
{
EventsItem items = new EventsItem();
// Delete the event.
await graphClient.Me.Events[id].Request().DeleteAsync();
return(items);
}
// Update an event.
// This snippets updates the event subject, time, and attendees.
public async Task <EventsItem> UpdateEvent(GraphServiceClient graphClient, string id, EventsItem eventsItem)
{
EventsItem items = new EventsItem();
// Get the current list of attendees, and then add an attendee.
Event originalEvent = await graphClient.Me.Events[id].Request().Select("attendees").GetAsync();
List <Attendee> attendees = originalEvent.Attendees as List <Attendee>;
// Update the event.
Event updatedEvent = await graphClient.Me.Events[id].Request().UpdateAsync(new Event
{
Subject = eventsItem.Subject,
Attendees = attendees,
Start = eventsItem.StartTime,
End = eventsItem.EndTime,
IsAllDay = false
});
if (updatedEvent != null)
{
// Get updated event properties.
items = new EventsItem()
{
Id = updatedEvent.Id,
Body = updatedEvent.Body,
Attendees = updatedEvent.Attendees.ToList(),
Location = updatedEvent.Location,
EndTime = updatedEvent.End,
StartTime = updatedEvent.Start,
Subject = updatedEvent.Subject,
EventDate = DateTime.Parse(updatedEvent.Start.DateTime.ToString()).Date,
EventDay = DateTime.Parse(updatedEvent.Start.DateTime.ToString()).DayOfWeek,
EventStart = DateTime.Parse(updatedEvent.Start.DateTime.ToString()).ToString("t"),
EventEnd = DateTime.Parse(updatedEvent.End.DateTime.ToString()).ToString("t"),
};
}
return(items);
}
//To create event for student
public async Task <EventsItem> CreateStudentEvent(GraphServiceClient graphClient, EventsItem eventsItem)
{
EventsItem items = new EventsItem();
// Add the event.
Event createdEvent = await graphClient.Me.Events.Request().AddAsync(new Event
{
Subject = eventsItem.Subject,
Start = eventsItem.StartTime,
End = eventsItem.EndTime,
Attendees = eventsItem.Attendees,
Location = eventsItem.Location,
IsAllDay = false
});
if (createdEvent != null)
{
// Get updated event properties.
items = new EventsItem()
{
Id = createdEvent.Id,
Body = createdEvent.Body,
Attendees = createdEvent.Attendees.ToList(),
Location = createdEvent.Location,
EndTime = createdEvent.End,
StartTime = createdEvent.Start,
Subject = createdEvent.Subject,
EventDate = DateTime.Parse(createdEvent.Start.DateTime.ToString()).Date,
EventDay = DateTime.Parse(createdEvent.Start.DateTime.ToString()).DayOfWeek,
EventStart = DateTime.Parse(createdEvent.Start.DateTime.ToString()).ToString("t"),
EventEnd = DateTime.Parse(createdEvent.End.DateTime.ToString()).ToString("t"),
};
}
return(items);
}
// Create an event faculty.
public async Task <EventsItem> CreateEvent(GraphServiceClient graphClient, EventsItem eventsItem)
{
EventsItem items = new EventsItem();
Event createdEvent;
string calendarId = null;
//Get Calendar of office hours
// Define the required calendar.
List <QueryOption> options = new List <QueryOption>();
options.Add(new QueryOption("filter", "startswith(name, 'officehours')"));
//var calander = await graphClient.Me.Calendars.Request(options).GetAsync();
var calander = await graphClient.Me.Calendars.Request().GetAsync();
foreach (var cal in calander)
{
if (cal.Name.ToUpper().Equals("OFFICEHOURS"))
{
calendarId = cal.Id;
}
}
// Add the event.
if (calander != null)
{
//Add event to specific calander
createdEvent = await graphClient.Me.Calendars[calendarId].Events.Request().AddAsync(new Event
{
Subject = eventsItem.Subject,
Start = eventsItem.StartTime,
End = eventsItem.EndTime,
Attendees = eventsItem.Attendees,
Location = eventsItem.Location,
IsAllDay = false
});
}
else
{
createdEvent = await graphClient.Me.Events.Request().AddAsync(new Event
{
Subject = eventsItem.Subject,
Start = eventsItem.StartTime,
End = eventsItem.EndTime,
Attendees = eventsItem.Attendees,
Location = eventsItem.Location,
IsAllDay = false
});
}
if (createdEvent != null)
{
// Get updated event properties.
items = new EventsItem()
{
Id = createdEvent.Id,
Body = createdEvent.Body,
Attendees = createdEvent.Attendees.ToList(),
Location = createdEvent.Location,
EndTime = createdEvent.End,
StartTime = createdEvent.Start,
Subject = createdEvent.Subject,
EventDate = DateTime.Parse(createdEvent.Start.DateTime.ToString()).Date,
EventDay = DateTime.Parse(createdEvent.Start.DateTime.ToString()).DayOfWeek,
EventStart = DateTime.Parse(createdEvent.Start.DateTime.ToString()).ToString("t"),
EventEnd = DateTime.Parse(createdEvent.End.DateTime.ToString()).ToString("t"),
};
}
return(items);
}
