public bool PrepareAndSave()
{
var result = false;
var tokenSource = new CancellationTokenSource();
var token = tokenSource.Token;
_configurationViewModel.CancellationSource = tokenSource;
var configurationNavigationItem = new NavigationItem(NavigationNames.ConfigurationName, _configurationViewModel);
// UnRegister previous, if any
OnUIThread(() => _navigationManager.UnRegisterNavigationItem(configurationNavigationItem));
_navigationManager.Navigate(configurationNavigationItem);
// start configuring in tasks
var taskLocation = Task.Factory.StartNew(() => _projectLocationStepViewModel.Configure(token), token);
taskLocation.ContinueWith(x => tokenSource.Cancel(), TaskContinuationOptions.OnlyOnFaulted);
var taskDbAndSearch = Task.Factory.StartNew(() =>
{
_databaseSettingsStepViewModel.Configure(token);
_searchSettingsStepViewModel.Configure(token);
}, token);
taskLocation.ContinueWith(x => tokenSource.Cancel(), TaskContinuationOptions.OnlyOnFaulted);
try
{
Task.WaitAll(new[] { taskLocation, taskDbAndSearch });
}
catch (AggregateException e)
{
// Display information about each exception.
#if (DEBUG)
foreach (var v in e.InnerExceptions)
{
if (v is TaskCanceledException)
{
Console.WriteLine(" TaskCanceledException: Task {0}", ((TaskCanceledException)v).Task.Id);
}
else
{
Console.WriteLine(" Exception: {0}", v.GetType().Name);
}
}
#endif
}
if (tokenSource.IsCancellationRequested)
{
var cancelTasks = new[]
{
Task.Factory.StartNew(() => _projectLocationStepViewModel.Cancel()),
Task.Factory.StartNew(() => _databaseSettingsStepViewModel.Cancel()),
Task.Factory.StartNew(() => _searchSettingsStepViewModel.Cancel())
};
try
{
Task.WaitAll(cancelTasks);
}
catch (AggregateException)
{
}
}
if (_projectLocationStepViewModel.Result == OperationResult.Failed ||
_databaseSettingsStepViewModel.Result == OperationResult.Failed ||
_searchSettingsStepViewModel.Result == OperationResult.Failed)
{
_configurationViewModel.Result = OperationResult.Failed;
}
else if (_projectLocationStepViewModel.Result == OperationResult.Cancelled ||
_databaseSettingsStepViewModel.Result == OperationResult.Cancelled ||
_searchSettingsStepViewModel.Result == OperationResult.Cancelled)
{
_configurationViewModel.Result = OperationResult.Cancelled;
}
if (_configurationViewModel.Result == OperationResult.Cancelled || _configurationViewModel.Result == OperationResult.Failed)
{
_configurationViewModel.Message = _projectLocationStepViewModel.Message + Environment.NewLine +
_databaseSettingsStepViewModel.Message + Environment.NewLine +
_searchSettingsStepViewModel.Message;
}
else
{
// create item
_item.BrowseUrl = "Click browse to resolve";
_item.Name = _projectLocationStepViewModel.ProjectName;
_item.Location.Type = LocationType.FileSystem;
_item.Location.Url = _projectLocationStepViewModel.ProjectLocation;
_item.Location.LocalPath = _projectLocationStepViewModel.ProjectLocation;
var repo = _projectRepositoryFactory.GetRepositoryInstance();
repo.Add(_item);
repo.UnitOfWork.Commit();
_configurationViewModel.Result = OperationResult.Successful;
result = true;
}
return(result);
}
public bool PrepareAndSave()
{
var result = false;
var allErrors = string.Empty;
var tokenSource = new CancellationTokenSource();
var token = tokenSource.Token;
_configurationViewModel.CancellationSource = tokenSource;
var configurationNavigationItem = new NavigationItem(NavigationNames.ConfigurationName, _configurationViewModel);
// UnRegister previous, if any
OnUIThread(() => _navigationManager.UnRegisterNavigationItem(configurationNavigationItem));
_navigationManager.Navigate(configurationNavigationItem);
// start configuring in tasks
var taskLocation = Task.Factory.StartNew(() => _projectLocationStepViewModel.Configure(token), token);
taskLocation.ContinueWith(x => tokenSource.Cancel(), TaskContinuationOptions.OnlyOnFaulted);
var taskDbAndSearch = Task.Factory.StartNew(() =>
{
_databaseSettingsStepViewModel.Configure(token);
_searchSettingsStepViewModel.Configure(token);
}, token);
taskDbAndSearch.ContinueWith(x => tokenSource.Cancel(), TaskContinuationOptions.OnlyOnFaulted);
try
{
Task.WaitAll(new[] { taskLocation, taskDbAndSearch });
}
catch (AggregateException e)
{
allErrors += GetMessages(e);
}
// cancel all steps
if (tokenSource.IsCancellationRequested)
{
var cancelTasks = new[]
{
Task.Factory.StartNew(() => _projectLocationStepViewModel.Cancel()),
Task.Factory.StartNew(() => _databaseSettingsStepViewModel.Cancel()),
Task.Factory.StartNew(() => _searchSettingsStepViewModel.Cancel())
};
try
{
Task.WaitAll(cancelTasks);
}
catch (AggregateException e)
{
allErrors += GetMessages(e);
}
}
if (_projectLocationStepViewModel.Result == OperationResult.Failed ||
_databaseSettingsStepViewModel.Result == OperationResult.Failed ||
_searchSettingsStepViewModel.Result == OperationResult.Failed)
{
_configurationViewModel.Result = OperationResult.Failed;
}
else if (_projectLocationStepViewModel.Result == OperationResult.Cancelled ||
_databaseSettingsStepViewModel.Result == OperationResult.Cancelled ||
_searchSettingsStepViewModel.Result == OperationResult.Cancelled)
{
_configurationViewModel.Result = OperationResult.Cancelled;
}
if (_configurationViewModel.Result == OperationResult.Cancelled || _configurationViewModel.Result == OperationResult.Failed)
{
allErrors += _projectLocationStepViewModel.Message + Environment.NewLine +
_databaseSettingsStepViewModel.Message + Environment.NewLine +
_searchSettingsStepViewModel.Message;
}
if (!string.IsNullOrEmpty(allErrors))
{
_configurationViewModel.Message = allErrors;
}
else
{
// create item
_item.BrowseUrl = "Click browse to resolve";
_item.Name = _projectLocationStepViewModel.ProjectName;
_item.Location.Type = LocationType.FileSystem;
_item.Location.Url = _projectLocationStepViewModel.ProjectLocation;
_item.Location.LocalPath = _projectLocationStepViewModel.ProjectLocation;
var repo = _projectRepositoryFactory.GetRepositoryInstance();
repo.Add(_item);
repo.UnitOfWork.Commit();
_configurationViewModel.Result = OperationResult.Successful;
result = true;
}
return(result);
}