public async Task CheckChanges(UserPreferences previous, ChangeCheckType type, Boolean updateBackend)
{
// Because this is an async function, need to debounce repeated calls which
// can come from the UI controls.
if (doingCheck)
{
return;
}
doingCheck = true;
Boolean changed = await dataSource.CheckChanges(previous, type);
if (changed)
{
SetLimitHeader();
if (updateBackend)
{
try
{
await WebAPI.SetUserPrefsAsync(CurrentUser, dataSource.GetCategories(CategorySet.Active));
}
catch (Exception ex)
{
Debug.WriteLine("ConfigurationViewModel.CheckChanges, WebAPI.SetUserPrefs failed: " + ex.Message);
}
}
}
doingCheck = false;
}
public async Task <Boolean> CheckChanges(UserPreferences previous, ChangeCheckType type)
{
if ((type & ChangeCheckType.CategorySelection) == ChangeCheckType.CategorySelection)
{
// Update category status in the database
foreach (Category c in categories)
{
await DataAccessLayer.Current.UpdateOrAddCategoryAsync(c, CategoryKeepActive.Force);
}
// Update the UserPreferences
CurrentUser.ActiveCategories = GetCategoryList(CategorySet.Active);
await CurrentUser.Save();
}
HasChanged = !CurrentUser.IsEqual(previous);
return(HasChanged);
}
public async Task CheckChanges(UserPreferences previous, ChangeCheckType type, Boolean updateBackend)
{
// Because this is an async function, need to debounce repeated calls which
// can come from the UI controls.
if (doingCheck)
{
return;
}
doingCheck = true;
Boolean changed = await dataSource.CheckChanges(previous, type);
if (changed)
{
SetLimitHeader();
if (updateBackend)
{
try
{
await WebAPI.SetUserPrefsAsync(CurrentUser, dataSource.GetCategories(CategorySet.Active));
}
catch (Exception ex)
{
Debug.WriteLine("ConfigurationViewModel.CheckChanges, WebAPI.SetUserPrefs failed: " + ex.Message);
}
}
}
doingCheck = false;
}
