public void saveUserDetails(User user)
{
XmlWriterSettings x_W_Settings = new XmlWriterSettings();
x_W_Settings.Indent = true;
using (IsolatedStorageFile ISF = IsolatedStorageFile.GetUserStoreForApplication())
{
if (!ISF.FileExists("userDetails.xml"))
{
using (IsolatedStorageFileStream stream = ISF.OpenFile("userDetails.xml", FileMode.CreateNew))
{
XmlSerializer serializer = new XmlSerializer(typeof(User));
using (XmlWriter xmlWriter = XmlWriter.Create(stream, x_W_Settings))
{
serializer.Serialize(xmlWriter, user);
}
stream.Close();
}
}
else
{
XDocument loadedData;
if (user != null)
{
User usr = user;
using (Stream stream = ISF.OpenFile("userDetails.xml", FileMode.Open, FileAccess.ReadWrite))
{
loadedData = XDocument.Load(stream);
loadedData.Descendants("User").Single().SetElementValue("userName", usr.userName);
loadedData.Descendants("User").Single().SetElementValue("Latitude", usr.location.Latitude);
loadedData.Descendants("User").Single().SetElementValue("Longitude", usr.location.Longitude);
loadedData.Descendants("User").Single().SetElementValue("LastUpdatedOn", usr.LastSubmittedDateTime);
stream.Close();
}
// Save To ISOconfig.xml File
using (IsolatedStorageFileStream newStream = new IsolatedStorageFileStream("userDetails.xml", FileMode.Create, ISF))
{
loadedData.Save(newStream);
newStream.Close();
}
}
}
}
}
/// <summary>
/// Function to fetch userSavedData from the IsolatedStorageSettings
/// </summary>
/// <returns></returns>
public User GetUserSavedData()
{
if(userSettings.Count > 0)
{
if(userSettings.Contains("NewUser"))
{
newUser = (User)userSettings["NewUser"];
return newUser;
}
}
return null;
}
public User readUserDetails()
{
User newUser = null;
using (IsolatedStorageFile ISF = IsolatedStorageFile.GetUserStoreForApplication())
{
if (ISF.FileExists("userDetails.xml"))
{
newUser = new User();
using (IsolatedStorageFileStream str = ISF.OpenFile("userDetails.xml", FileMode.Open))
{
XmlSerializer serializer = new XmlSerializer(typeof(User));
newUser = (User)serializer.Deserialize(str);
str.Close();
}
}
}
return newUser;
}
/// <summary>
/// Function to save userData to the IsolatedStorageSettings
/// </summary>
/// <param name="saveNewUser"></param>
public void saveUserData(User saveNewUser)
{
newUser = saveNewUser;
if (userSettings.Contains("NewUser"))
{
userSettings["NewUser"] = saveNewUser;
}
else
{
userSettings.Add("NewUser", saveNewUser);
}
}
/// <summary>
/// Save User info present on screen
/// </summary>
private void saveUserInfo()
{
User newUser = new User();
newUser.userName = LocationUserName.Text;
newUser.location.Longitude = Long.Text;
newUser.location.Latitude = Lat.Text;
newUser.lastUpdatedOn = lastSubmitted_txt_blk.Text;
newUser.LastSubmittedDateTime = lastSubmittedDateTime;
viewModel.saveUserData(newUser);
}
/// <summary>
/// Event when page is Navigated To from App.xaml page
/// </summary>
/// <param name="e"></param>
protected override void OnNavigatedTo(NavigationEventArgs e)
{
// if (alreadyInStack)
// {
newUser = viewModel.GetUserSavedData();
DateTime defaultDT = new DateTime();
if (newUser != null)
{
//this implies it is not the first time of app
//Hence read the saved data and display on Screen
isFirstTime = false;
Lat.Text = newUser.location.Latitude;
Long.Text = newUser.location.Longitude;
fetchLocation(isFirstTime);
//Calc relative time from last Submitted date and time, that was saved in the IsolatedStorage file
DateTime backgroundSubmissionDT = new DateTime();
backgroundSubmissionDT = viewModel.getLastSubmittedTimeInBackground();
if (backgroundSubmissionDT.Equals(defaultDT))
{
lastSubmittedDateTime = newUser.LastSubmittedDateTime;
}
else
{
lastSubmittedDateTime = backgroundSubmissionDT;
}
getRelativeLastSubmittedTime(lastSubmittedDateTime);
LocationUserName.Text = newUser.userName;
}
else
{
Lat.Text = Constants.DEFAULT_COORDINATE;
Long.Text = Constants.DEFAULT_COORDINATE;
fetchLocation(isFirstTime);
}
// }
// alreadyInStack = false;
}
