/// <summary>
/// Connects to the TFS server specified by <see cref="IServerManagement.CurrentUri"/>.
/// </summary>
public async Task ConnectAsync()
{
await HandleServerError(async() =>
{
IsConnecting = true;
try
{
var serverUrl = Servers.CurrentUri;
bool serverChanged = !UriEqualityComparer.Instance.Equals(serverUrl, _explorer.Server?.Uri);
if (_explorer.Server != null)
{
_explorer.Server.ConnectionStatusChanged -= Server_ConnectionStatusChanged;
}
await _explorer.ConnectAsync(serverUrl);
_explorer.Server.ConnectionStatusChanged += Server_ConnectionStatusChanged;
var currentProjectName = ProjectName;
ProjectNames.Clear();
ProjectNames.AddRange((await _explorer.GetTeamProjectsAsync()).Select(n => n.Name));
// Restore project name on reconnect.
if (ProjectNames.Contains(currentProjectName) && !serverChanged)
{
ProjectName = currentProjectName;
}
if (serverChanged)
{
ProjectName = null;
}
IsConnected = true;
Servers.Add(serverUrl);
OnConnectionSucceeded(serverUrl);
await Task.CompletedTask;
}
finally
{
IsConnecting = false;
}
});
}
private async Task HandleServerError(Func <Task> action)
{
string errorMessage = null;
try
{
await action();
Status = null;
}
catch (TestObjectNotFoundException e)
{
errorMessage = e.Message;
}
catch (TeamFoundationServiceUnavailableException e)
{
errorMessage = e.Message;
}
catch (Exception e) when(e.InnerException != null &&
e.InnerException.GetType() == typeof(TeamFoundationServiceUnavailableException))
{
errorMessage = e.InnerException.Message;
}
catch (AdalException e)
{
errorMessage = e.Message;
}
finally
{
if (errorMessage != null)
{
Status = errorMessage;
IsConnected = false;
ProjectNames.Clear();
}
}
}