public async Task <List <Message> > SyncInbox()
{
GraphServiceClient graphClient = SDKHelper.GetAuthenticatedClient();
List <Message> messagesCollection = new List <Message>();
IMailFolderMessagesCollectionRequest nextRequest = null;
do
{
IMailFolderMessagesCollectionPage messagesCollectionPage;
if (nextRequest != null)
{
messagesCollectionPage = await nextRequest.GetAsync();
}
else
{
messagesCollectionPage = await graphClient.Me.MailFolders.Inbox.Messages.Request()
.Select("Subject,ReceivedDateTime,From,BodyPreview,IsRead")
.OrderBy("ReceivedDateTime+desc")
.Filter("ReceivedDateTime ge " + DateTime.Now.AddDays(-7).ToString("yyyy-MM-ddTHH:mm:ssZ")).GetAsync();
}
messagesCollection.AddRange(messagesCollectionPage.CurrentPage);
if (messagesCollectionPage.CurrentPage.Count == 0)
{
nextRequest = null;
}
else
{
nextRequest = messagesCollectionPage.NextPageRequest;
}
}while (nextRequest != null);
return(messagesCollection);
}
/// <summary>
/// Initializes the NextPageRequest property.
/// </summary>
public void InitializeNextPageRequest(IBaseClient client, string nextPageLinkString)
{
if (!string.IsNullOrEmpty(nextPageLinkString))
{
this.NextPageRequest = new MailFolderMessagesCollectionRequest(
nextPageLinkString,
client,
null);
}
}
