private async Task <bool> LoadMailAsync(int page)
{
LoggingViewModel.Instance.Information = string.Empty;
try
{
//Clear out any mail added in previous calls to LoadMailAsync()
if (MailItems != null)
{
MailItems.Clear();
}
else
{
MailItems = new ObservableCollection <MailItemViewModel>();
}
LoggingViewModel.Instance.Information = "Getting mail ...";
//Get mail from Exchange service via API.
var mail = await _mailOperations.GetEmailMessagesAsync(page, _pageSize);
if (mail.Count == 0 && _currentPage == 1)
{
LoggingViewModel.Instance.Information = "You have no mail.";
_isLastPage = true;
}
else if (mail.Count == 0)
{
LoggingViewModel.Instance.Information = "You have no more mail. Click the \"Get Items\" button to reload the first page.";
_isLastPage = true;
}
else
{
// Load emails into the observable collection that is bound to UI
foreach (var mailItem in mail)
{
MailItems.Add(new MailItemViewModel(mailItem));
}
if (mail.Count < _pageSize)
{
LoggingViewModel.Instance.Information = String.Format("{0} mail items loaded. Click the \"Get Items\" button to reload the first page.", MailItems.Count);
_isLastPage = true;
}
else
{
LoggingViewModel.Instance.Information = String.Format("{0} mail items loaded. Click the \"Get Items\" button for more.", MailItems.Count);
}
}
}
catch (Exception ex)
{
LoggingViewModel.Instance.Information = "Error loading mail: " + ex.Message;
return(false);
}
return(true);
}
public void UpdateCache()
{
var items = from a in MailItems where a.OperationFlags.HasFlag(MailOperationFlags.Removing) select a;
foreach (var i in items)
{
MailItems.Remove(i);
}
}
public void UpdateWorkingItems(IEnumerable <ViewMailItem> items)
{
foreach (var i in items)
{
if (i.OperationFlags.HasFlag(MailOperationFlags.Removing))
{
MailItems.Remove(i);
}
i.OperationFlags = MailOperationFlags.None;
}
}
private void EmailSearchComplete(object sender, EventArgs e)
{
if (Account.EmailsFound.Count != 0)
{
MailItems.Clear();
MailItems.AddRange(Account.EmailsFound);
}
else
{
MailItems.Add(new Email()
{
Subject = "No emails detected - review settings"
});
}
}
/// <summary>
/// Sends mail item remove request to the Exchange service.
/// </summary>
async void ExecuteDeleteMailCommandAsync()
{
try
{
if (await MessageDialogHelper.ShowYesNoDialogAsync(String.Format("Are you sure you want to delete the mail item '{0}'?", this._selectedMail.Subject), "Confirm Deletion"))
{
if (!String.IsNullOrEmpty(this._selectedMail.ID))
{
if (await _mailOperations.DeleteMailItemAsync(this._selectedMail.ID))
{
//Removes email from bound observable collection
MailItems.Remove((MailItemViewModel)_selectedMail);
}
}
}
}
catch (Exception)
{
LoggingViewModel.Instance.Information = "We could not delete your mail item.";
}
}
private void EmailSearchComplete(object sender, EventArgs e)
{
MailItems.Clear();
MailItems.AddRange(Account.EmailsFound);
}
public void Add(IEnumerable <ViewMailItem> items)
{
MailItems.AddRange(items);
Expires = DateTime.Now.AddSeconds(30);
}
public void Reset()
{
MailItems.Clear();
Expires = DateTime.MinValue;
}
