/// <summary>
/// returns the value of a specific IsolatedStorage property. PropertyType options are: lastJokeUpdate or lastCategoryUpdate or userPermittedAppToConnectToInternet
/// </summary>
/// <param name="propertyName"></param>
/// <returns></returns>
protected String getIsolatedStorageProperty(IsolatedStorageSettingsProperties propertyName)
{
String propertyNameString = propertyName.ToString();
if (isolatedStorageSettings.Contains(propertyName.ToString()) == false)
{
if (propertyName == IsolatedStorageSettingsProperties.userPermittedAppToConnectToInternet)
{
isolatedStorageSettings.Add(propertyName.ToString(), true);
isolatedStorageSettings.Save();
return "true";
}
else
{
isolatedStorageSettings.Add(propertyName.ToString(), "");
isolatedStorageSettings.Save();
return "";
}
}
else
{
return isolatedStorageSettings[propertyName.ToString()].ToString();
}
}
/// <summary>
/// Specific method for updating the dateAdded for categories or jokes.
/// code Credit: http://www.windowsphonegeek.com/tips/all-about-wp7-isolated-storage-store-data-in-isolatedstoragesettings
/// </summary>
/// <param name="dataFromDatabase">New update value</param>
/// <param name="propertyType">the property we are updating.</param>
protected void updateLastPropertyUpdatedTime(string dataFromDatabase, IsolatedStorageSettingsProperties propertyType)
{
//To find find the newest entry we will use a very crude method of searching for the first index of the columnName 'dateAdded'
//in the data we recieved from the database, which is ordered newest to oldest.
int positionOfBegginingOfDate = dataFromDatabase.IndexOf(",\"dateAdded\":") + 14;
int positionOfEndOfDate = dataFromDatabase.IndexOf("\"", positionOfBegginingOfDate);
string newestDateFromProperty = dataFromDatabase.Substring(positionOfBegginingOfDate, positionOfEndOfDate - positionOfBegginingOfDate);
updateIsolatedStorageProperty(newestDateFromProperty, propertyType);
}
/// <summary>
/// General method to update settings in isolated storage.
/// </summary>
/// <param name="value"></param>
/// <param name="propertyType"></param>
protected void updateIsolatedStorageProperty(string value, IsolatedStorageSettingsProperties propertyType)
{
//Add newestDateFromJokes to isolated storage settings
if (isolatedStorageSettings.Contains(propertyType.ToString()) == false)
{
//this is a sanity check, when we call the query we should have already created lastJokeUpdate in the settings.
isolatedStorageSettings.Add(propertyType.ToString(), value);
}
else
{
isolatedStorageSettings[propertyType.ToString()] = value;
}
isolatedStorageSettings.Save();
}
