/// <summary>
/// Constructor which initializes properties and using input surveyId like ID of survey.
/// </summary>
/// <param name="surveyId">ID of survey.</param>
public SurveyViewModel(string surveyId)
{
ListOfResults = new ObservableCollection<ResultBasicInfo>();
_operations = new OperationsOnListOfResults(surveyId, ListOfResults);
SurveyId = surveyId;
ProgressBar = new ProcessingBar();
Message = new DialogBox();
_resultSender = new SendResult();
_resultSender.SendingCompleted += (object sender, EventArgs args) =>
{
System.Windows.Deployment.Current.Dispatcher.BeginInvoke(() =>
{
SendResult.SendingEventArgs.SendingStatus status = (args as SendResult.SendingEventArgs).Status;
string resultId = (args as SendResult.SendingEventArgs).ResultId;
switch (status)
{
case Model.SendResult.SendingEventArgs.SendingStatus.Sent:
Message.Show(Languages.AppResources.surveyViewModel_sendingCompleted);
_operations.MarkResultAsSent(resultId);
break;
case Model.SendResult.SendingEventArgs.SendingStatus.ServerError:
Message.Show(Languages.AppResources.surveyViewModel_serverError);
break;
case Model.SendResult.SendingEventArgs.SendingStatus.UnknownError:
Message.Show(Languages.AppResources.surveyViewModel_unknownError);
break;
case Model.SendResult.SendingEventArgs.SendingStatus.Canceled:
break;
}
ProgressBar.IsEnabled = false;
SendingInProgress = false;
});
};
}
/// <summary>
/// Deletes single survey from IsolatedStorage.
/// </summary>
/// <param name="surveyId">Id of survey you want to delete.</param>
public void Delete(string surveyId)
{
Read();
IEnumerable <SurveyBasicInfo> surveys;
surveys = from SurveyBasicInfo in _list where SurveyBasicInfo.SurveyId == surveyId select SurveyBasicInfo;
try
{
OperationsOnListOfResults resultsOperations = new OperationsOnListOfResults(surveyId);
resultsOperations.DeleteAllResults();
SurveyBasicInfo survey = surveys.First <SurveyBasicInfo>();
using (IsolatedStorageFile isoStore = IsolatedStorageFile.GetUserStoreForApplication())
{
string filePath = System.IO.Path.Combine("surveys", string.Format("{0}.xml", survey.SurveyId));
string directoryPath = System.IO.Path.Combine("surveys", survey.SurveyId);
string listOfResultPath = System.IO.Path.Combine(directoryPath, "listOfResults.xml");
try
{
isoStore.DeleteFile(filePath);
isoStore.DeleteFile(listOfResultPath);
isoStore.DeleteDirectory(directoryPath);
}
catch (IsolatedStorageException) { /*that means that this files doesn't exists*/ }
}
_list.Remove(survey);
Write();
}
catch (InvalidOperationException) { }
}
/// <summary>
/// Removes result from list. Uses <see cref="OperationsOnListOfResults"/> to remove data from IsolatedStorage.
/// </summary>
/// <param name="result">Instance of <see cref="ResultBasicInfo"/> class which holds that of result you want to remove.</param>
public void DeleteResult(ResultBasicInfo result)
{
var results = from item in App.AppDictionary["FilteredResults"] as ObservableCollection <ResultsFilter.GroupedOC <ResultBasicInfo> > where item.Contains(result) select item;
GroupedOC <ResultBasicInfo> entity = results.First <GroupedOC <ResultBasicInfo> >();
entity.Remove(result);
if (entity.Count == 0)
{
(App.AppDictionary["FilteredResults"] as ObservableCollection <ResultsFilter.GroupedOC <ResultBasicInfo> >).Remove(entity);
}
OperationsOnListOfResults operations = new OperationsOnListOfResults(result.ParentId);
operations.DeleteResult(result.Id);
}
/// <summary>
/// Method to unmark result as sent. After unmark result as sent user can again modify the result.
/// </summary>
/// <param name="result">Information about which result was selected by user.</param>
public void UnmarkSent(ResultBasicInfo result)
{
Operations = new OperationsOnListOfResults(result.ParentId);
Operations.UnmarkSentResult(result.Id);
}
/// <summary>
/// Sends result to server.
/// </summary>
/// <param name="selectedListBoxItem">Contains information of result that was selected by user and will be send on server.</param>
public void SendResult(ResultBasicInfo selectedListBoxItem)
{
ProgressBar.Information = Languages.AppResources.surveyViewModel_sendingProgressTitle;
ProgressBar.IsEnabled = true;
Operations = new OperationsOnListOfResults(selectedListBoxItem.ParentId);
IsSending = true;
ResultSender.Send(selectedListBoxItem.ParentId, selectedListBoxItem);
}
/// <summary>
/// Deletes single survey from IsolatedStorage.
/// </summary>
/// <param name="surveyId">Id of survey you want to delete.</param>
public void Delete(string surveyId)
{
Read();
IEnumerable<SurveyBasicInfo> surveys;
surveys = from SurveyBasicInfo in _list where SurveyBasicInfo.SurveyId == surveyId select SurveyBasicInfo;
try
{
OperationsOnListOfResults resultsOperations = new OperationsOnListOfResults(surveyId);
resultsOperations.DeleteAllResults();
SurveyBasicInfo survey = surveys.First<SurveyBasicInfo>();
using (IsolatedStorageFile isoStore = IsolatedStorageFile.GetUserStoreForApplication())
{
string filePath = System.IO.Path.Combine("surveys", string.Format("{0}.xml", survey.SurveyId));
string directoryPath = System.IO.Path.Combine("surveys", survey.SurveyId);
string listOfResultPath = System.IO.Path.Combine(directoryPath, "listOfResults.xml");
try
{
isoStore.DeleteFile(filePath);
isoStore.DeleteFile(listOfResultPath);
isoStore.DeleteDirectory(directoryPath);
}
catch (IsolatedStorageException) { /*that means that this files doesn't exists*/ }
}
_list.Remove(survey);
Write();
}
catch (InvalidOperationException) { }
}
private void SavetTestResult(Survey survey, XDocument documentXML)
{
String dataToSave;
if ((bool)OperationsOnSettings.Instance.IsEncryptionEnabled)
{
AESEncryption encrypter = new AESEncryption();
dataToSave = encrypter.Encrypt(documentXML.ToString(), App.AppDictionary["EncryptionPassword"] as String, "qwhmvbzx");
}
else
{
dataToSave = documentXML.ToString();
}
using (IsolatedStorageFile isolatedStorage = IsolatedStorageFile.GetUserStoreForApplication())
{
String directoryPath = String.Format("surveys/{0}", survey.Id);
string resultFilePath = System.IO.Path.Combine(directoryPath, String.Format("r_{0}.xml", survey.ResultInfo.Id));
if (!isolatedStorage.DirectoryExists(directoryPath))
{
isolatedStorage.CreateDirectory(directoryPath);
}
using (IsolatedStorageFileStream isoStream = new IsolatedStorageFileStream(resultFilePath, FileMode.Create, isolatedStorage))
{
StreamWriter writer = new StreamWriter(isoStream);
writer.Write(dataToSave);
writer.Close();
}
}
OperationsOnListOfResults operationsOnListOfResults = new OperationsOnListOfResults(SurveyId);
operationsOnListOfResults.Add(survey.ResultInfo);
}
