public static async Task <List <EventImage> > GetEventAttachmentsAsync(string id, EventImage inputEventImage, string contentType, string contentHtml)
{
var attachments = new List <EventImage>();
JObject jResult = null;
try
{
HttpClient client = new HttpClient();
var token = await AuthenticationHelper.GetTokenForUserAsync();
client.DefaultRequestHeaders.Add("Authorization", "Bearer " + token);
Uri usersEndpoint = new Uri(serviceEndpoint + "me/events/" + id + "/attachments");
HttpResponseMessage response = await client.GetAsync(usersEndpoint);
if (response.IsSuccessStatusCode)
{
string responseContent = await response.Content.ReadAsStringAsync();
jResult = JObject.Parse(responseContent);
foreach (JObject attachment in jResult["value"])
{
string name = (string)attachment["name"];
string type = (string)attachment["contentType"];
int size = (int)attachment["size"];
bool isInline = (bool)attachment["isInline"];
string content = (string)attachment["contentBytes"];
if (string.Equals(type, "image/jpeg", StringComparison.OrdinalIgnoreCase))
{
if (content != null)
{
byte[] contentArray = Convert.FromBase64String(content);
MemoryStream ms = new MemoryStream();
if (ms != null)
{
ms.Write(contentArray, 0, contentArray.Length);
ms.Position = 0;
var stream = ms.AsRandomAccessStream();
if (stream != null)
{
EventImage ei = new EventImage();
ei.Name = inputEventImage.Name;
ei.StartDate = inputEventImage.StartDate;
ei.EndDate = inputEventImage.EndDate;
ei.bOneDrive = false;
ei.Image = new Windows.UI.Xaml.Media.Imaging.BitmapImage();
ei.Image.SetSource(stream);
attachments.Add(ei);
}
}
}
else
{
var stream = await GetAttachmentFromOneDrive(name, contentType, contentHtml);
if (stream != null)
{
EventImage ei = new EventImage();
ei.Name = inputEventImage.Name;
ei.StartDate = inputEventImage.StartDate;
ei.EndDate = inputEventImage.EndDate;
ei.bOneDrive = true;
ei.Image = new Windows.UI.Xaml.Media.Imaging.BitmapImage();
ei.Image.SetSource(stream);
attachments.Add(ei);
}
}
}
}
}
else
{
System.Diagnostics.Debug.WriteLine("We could not get the current user's events. The request returned this status code: " + response.StatusCode);
return(null);
}
}
catch (Exception e)
{
System.Diagnostics.Debug.WriteLine("We could not get the current user's events: " + e.Message);
return(null);
}
return(attachments);
}
// Gets the signed-in user's calendar events.
public static async Task <ObservableCollection <EventImage> > GetEventsAsync(string startDateTime, string endDateTime)
{
var events = new ObservableCollection <EventImage>();
JObject jResult = null;
try
{
HttpClient client = new HttpClient();
var token = await AuthenticationHelper.GetTokenForUserAsync();
client.DefaultRequestHeaders.Add("Authorization", "Bearer " + token);
// Endpoint for the current user's events
Uri usersEndpoint = new Uri(serviceEndpoint + "me/calendarview?startdatetime=" + startDateTime + "&enddatetime=" + endDateTime);
HttpResponseMessage response = await client.GetAsync(usersEndpoint);
if (response.IsSuccessStatusCode)
{
string responseContent = await response.Content.ReadAsStringAsync();
jResult = JObject.Parse(responseContent);
foreach (JObject calendarEvent in jResult["value"])
{
EventImage ei = new EventImage();
ei.Name = (string)calendarEvent["subject"];
var startObj = calendarEvent["start"];
ei.StartDate = (string)startObj["dateTime"];
var endObj = calendarEvent["end"];
ei.EndDate = (string)endObj["dateTime"];
var bodyObj = calendarEvent["body"];
string contentType = (string)bodyObj["contentType"];
string content = (string)bodyObj["content"];
ei.bOneDrive = false;
string eventId = (string)calendarEvent["id"];
bool attach = (bool)calendarEvent["hasAttachments"];
if (attach == true)
{
var listAttach = await GetEventAttachmentsAsync(eventId, ei, contentType, content);
if (listAttach != null)
{
foreach (var e in listAttach)
{
events.Add(e);
}
}
}
System.Diagnostics.Debug.WriteLine("Got event: " + eventId);
}
}
else
{
System.Diagnostics.Debug.WriteLine("We could not get the current user's events. The request returned this status code: " + response.StatusCode);
return(null);
}
}
catch (Exception e)
{
System.Diagnostics.Debug.WriteLine("We could not get the current user's events: " + e.Message);
return(null);
}
return(events);
}
