public static async Task GetChoices(ObservableCollection<Choice> ChoiceList)
{
var response = await http.GetAsync("http://uwproject.feifei.ca/api/Choices");
if (response.IsSuccessStatusCode)
{
var result = await response.Content.ReadAsStringAsync();
JsonValue value = JsonValue.Parse(result);
JsonArray root = value.GetArray();
for (uint i = 0; i < root.Count; i++)
{
var obj = root.GetObjectAt(i);
int choiceId = (int)obj.GetNamedNumber("ChoiceId");
string studentId = obj.GetNamedString("StudentId");
string studentFirstName = obj.GetNamedString("StudentFirstName");
string studentLastName = obj.GetNamedString("StudentLastName");
string firstChoiceOptionTitle = obj.GetNamedString("FirstChoiceOptionTitle");
string secondChoiceOptionTitle = obj.GetNamedString("SecondChoiceOptionTitle");
string thirdChoiceOptionTitle = obj.GetNamedString("ThirdChoiceOptionTitle");
string fourthChoiceOptionTitle = obj.GetNamedString("FourthChoiceOptionTitle");
string selectionDate = obj.GetNamedString("SelectionDate");
int year = (int)obj.GetNamedNumber("Year");
int term = (int)obj.GetNamedNumber("Term");
var choice = new Choice
{
ChoiceId = choiceId,
StudentId = studentId,
StudentFirstName = studentFirstName,
StudentLastName = studentLastName,
FirstChoiceOptionTitle = firstChoiceOptionTitle,
SecondChoiceOptionTitle = secondChoiceOptionTitle,
ThirdChoiceOptionTitle = thirdChoiceOptionTitle,
FourthChoiceOptionTitle = fourthChoiceOptionTitle,
SelectionDate = selectionDate,
Year = year,
Term = term
};
ChoiceList.Add(choice);
}
}
else
{
var dialog = new Windows.UI.Popups.MessageDialog("Cannot retrieve any record");
await dialog.ShowAsync();
}
}
private async void EditChoice_Click(object sender, RoutedEventArgs e)
{
int id = Convert.ToInt16(txtId.Text);
if (txtId.Text != "" && txtStudentId.Text != "" && txtFName.Text != "" && txtLName.Text != "")
{
string studentId = txtStudentId.Text;
string fName = txtFName.Text;
string lName = txtLName.Text;
int firstChoice = Options.Where(o => o.Title == cbFirstChoice.SelectedValue.ToString()).Select(o => o).FirstOrDefault().OptionId;
int secondChoice = Options.Where(o => o.Title == cbSecondChoice.SelectedValue.ToString()).Select(o => o).FirstOrDefault().OptionId;
int thirdChoice = Options.Where(o => o.Title == cbThirdChoice.SelectedValue.ToString()).Select(o => o).FirstOrDefault().OptionId;
int fourthChoice = Options.Where(o => o.Title == cbFourthChoice.SelectedValue.ToString()).Select(o => o).FirstOrDefault().OptionId;
int yearTerm = YearTerms.Where(y => y.Term == Convert.ToInt16(cbTerm.SelectedValue) && y.Year == Convert.ToInt16(cbYear.SelectedValue)).Select(y => y).FirstOrDefault().YearTermId;
selectionDate = Choices.Where(c => c.ChoiceId == Convert.ToInt16(id)).Select(c => c).FirstOrDefault().SelectionDate;
var choice = new Choice() { ChoiceId = id, StudentId = studentId, StudentFirstName = fName, StudentLastName = lName, FirstChoiceOptionTitle = cbFirstChoice.SelectedValue.ToString(), SecondChoiceOptionTitle = cbSecondChoice.SelectedValue.ToString(), ThirdChoiceOptionTitle = cbThirdChoice.SelectedValue.ToString(), FourthChoiceOptionTitle = cbFourthChoice.SelectedValue.ToString(), Year = Convert.ToInt16(cbYear.SelectedValue), Term = Convert.ToInt16(cbTerm.SelectedValue), SelectionDate = selectionDate };
var obj = new { ChoiceId = id, StudentId = studentId, StudentFirstName = fName, StudentLastName = lName, FirstChoiceOptionId = firstChoice, SecondChoiceOptionId = secondChoice, ThirdChoiceOptionId = thirdChoice, FourthChoiceOptionId = fourthChoice, YearTermId = yearTerm, SelectionDate = selectionDate };
await ChoiceManager.EditChoice(new StringContent(JsonConvert.SerializeObject(obj), Encoding.UTF8, "application/json"), choice, Choices);
Frame.Navigate(typeof(ManageChoicePage));
}
}
public static async Task EditChoice(StringContent choiceJsonToBeEdited, Choice updatedChoice, ObservableCollection<Choice> ChoicesList)
{
string requestUri = "http://uwproject.feifei.ca/api/Choices/" + updatedChoice.ChoiceId;
var response = await http.PutAsync(requestUri, choiceJsonToBeEdited);
if (response.IsSuccessStatusCode)
{
var result = await response.Content.ReadAsStringAsync();
Choice currentChoice = ChoicesList.FirstOrDefault(c => c.ChoiceId == updatedChoice.ChoiceId);
currentChoice = updatedChoice;
}
else
{
var dialog = new Windows.UI.Popups.MessageDialog("Cannot edit record");
await dialog.ShowAsync();
}
}
