/// <summary>
/// Puts the answers to survey instance.
/// </summary>
/// <returns>The answers to survey instance.</returns>
/// <param name="currentViews">Current views.</param>
/// <param name="surveyScheme">Survey scheme.</param>
private static SurveyAnswer PutAnswersToSurveyInstance(ICollection <QuestionView> currentViews, Survey surveyScheme)
{
UserData user = new UserData();
user.Username = "******";
user.ID = "test_ID";
SurveyAnswer sa = new SurveyAnswer(surveyScheme, user);
sa.Answers = new List <Answer> ();
foreach (QuestionView qv in currentViews)
{
Answer a = new Answer();
a.QuestionRef = new QuestionReference();
Question temporaryQuestion = qv.question.Question;
a.QuestionRef.Question = new Question {
QuestionId = temporaryQuestion.QuestionId
};
foreach (AnswerOption ao in qv.answers)
{
a.AnsweredOption = new AnswerOption {
Content = ao.Content
};
}
sa.Answers.Add(a);
}
return(sa);
}
/// <summary>
/// Generates the instances of SurveyAnswers for a specific user.
/// </summary>
/// <returns>The instances.</returns>
/// <param name="schemas">Schemas.</param>
/// <param name="userData">User data.</param>
public static List <SurveyAnswer> generateInstances(List <Survey> schemas, UserData userData)
{
List <SurveyAnswer> instances = new List <SurveyAnswer> ();
foreach (Survey schema in schemas)
{
SurveyAnswer instance = new SurveyAnswer(schema, userData);
instances.Add(instance);
}
return(instances);
}
/// <summary>
/// Reschedule the specified survey.
/// </summary>
/// <param name="survey">Survey.</param>
public static SurveyAnswer reschedule(SurveyAnswer survey)
{
survey.Survey.Scheduler = generateNewDate(survey.Survey.Scheduler);
survey.Survey.isActive = false;
foreach (SurveyPart sp in survey.Survey.SurveyParts)
{
sp.Scheduler = generateNewDate(sp.Scheduler);
sp.isActive = false;
}
setActive(survey);
survey.Answers = new System.Collections.Generic.List <Answer> ();
return(survey);
}
/// <summary>
/// Writes the survey result.
/// </summary>
/// <param name="surveyScheme">Survey scheme.</param>
/// <param name="currentViews">Current views.</param>
public static async void WriteSurveyResult(Survey surveyScheme, ICollection <QuestionView> currentViews)
{
IFolder rootFolder = FileSystem.Current.LocalStorage;
IFolder folder = await rootFolder.CreateFolderAsync(Constants.filledFolder,
CreationCollisionOption.OpenIfExists);
string fileName = surveyScheme.SurveyId.ToString().Substring(0, 5) + "_" + surveyScheme.SurveyName + "_" + DateTime.Now.DayOfYear.ToString() + ".json";
IFile file = await folder.CreateFileAsync(fileName,
CreationCollisionOption.ReplaceExisting);
SurveyAnswer SurveyfilledScheme = PutAnswersToSurveyInstance(currentViews, surveyScheme);
string serialized = JSonTranslator.Serialize(SurveyfilledScheme);
await file.WriteAllTextAsync(serialized);
}
/// <summary>
/// Sets the active parameter in the survey.
/// </summary>
/// <returns><c>true</c>, if active was set in any of the parts, <c>false</c> otherwise.</returns>
/// <param name="survey">Survey.</param>
public static bool setActive(SurveyAnswer survey)
{
foreach (SurveyPart sp in survey.Survey.SurveyParts)
{
if (sp.Scheduler.Available.CompareTo(DateTime.Today) <= 0)
{
sp.isActive = true;
survey.Survey.isActive = true;
}
}
if (survey.Survey.isActive)
{
return(true);
}
return(false);
}
/// <summary>
/// Initializes a new instance of the <see cref="Surveys.ToFillListPage"/> class.
/// </summary>
public ToFillListPage()
{
this.Title = "To be answered";
// Read schemas, instances and check for new
List <Survey> allSchemas = IOController.ReadAllSchemas();
List <SurveyAnswer> filledAnswers = new List <SurveyAnswer> ();
List <string> filledAnswersSerialized = IOController.ReadFiles(Constants.filledFolder);
foreach (string s in filledAnswersSerialized)
{
filledAnswers.Add(JSonTranslator.Deserialize <SurveyAnswer> (s));
}
List <Survey> newSchemas = StartupController.checkForNewSchemas(allSchemas, filledAnswers);
// If new, generate unfilled instances
List <SurveyAnswer> surveyUnfilledInstances = new List <SurveyAnswer> ();
if (newSchemas.Count != 0)
{
UserData user = new UserData();
user.Username = "******";
user.ID = "test_ID";
surveyUnfilledInstances = StartupController.generateInstances(newSchemas, user);
}
// Read previously stored unfilled instances
List <string> previouslyUnfilledSerialized = IOController.ReadFiles(Constants.toFillFolder);
foreach (string s in previouslyUnfilledSerialized)
{
SurveyAnswer sa = JSonTranslator.Deserialize <SurveyAnswer> (s);
surveyUnfilledInstances.Add(sa);
}
// set active parts and preapre a display dictionary
Dictionary <string, SurveyAnswer> toAnswerNamed = new Dictionary <string, SurveyAnswer> ();
foreach (SurveyAnswer sa in surveyUnfilledInstances)
{
if (ScheduleController.setActive(sa))
{
toAnswerNamed.Add(sa.Survey.SurveyName + "_" + sa.SurveyId.ToString().Substring(0, 4) + "_" + DateTime.Now.DayOfYear,
sa);
}
}
// Create and initialize ListView.
ListView listView = new ListView();
listView.ItemsSource = toAnswerNamed.Keys;
listView.ItemSelected += (object sender, SelectedItemChangedEventArgs e) => {
if (e.SelectedItem != null)
{
listView.SelectedItem = null;
chosenSurvey = toAnswerNamed [(string)e.SelectedItem];
ViewGenerator vg = new ViewGenerator(chosenSurvey.Survey);
ContentPage surveyPage = new SurveyViewPage(vg, this);
this.Navigation.PushAsync(surveyPage);
}
};
this.Content = new ScrollView {
Content = listView
};
}