public async Task WriteChildren(ISessionWriter sessionWriter, JObject json, ObservableCollection <IDataStructure> children)
{
if (children == Children)
{
_progressStep = 1d / children.Count;
}
var childIx = 0;
foreach (var child in children)
{
if (children == Children)
{
SavingProgress += _progressStep * childIx++;
}
var root = new JObject();
try
{
if (child is ISaveable saveable)
{
try
{
if (!await saveable.WriteData(root, sessionWriter))
{
Debug.WriteLine($"Could not save {child.Name} (save failed)");
continue;
}
}
catch (ObjectDisposedException ex)
{
SavingErrors.Add(ex);
continue;
}
}
else
{
Debug.WriteLine($"Could not save {child.Name} ({child} not saveable)");
root["user"] = new JObject();
root["meta"] = new JObject
{
["type"] = "no.sintef.folder",
["version"] = 1
};
}
}
catch (NotImplementedException)
{
Debug.WriteLine($"Could not save {child.Name} (save not implemented)");
continue;
}
catch (Exception ex)
{
SavingErrors.Add(ex);
continue;
}
if (child.Children.Any())
{
sessionWriter.PushPathName(child.Name);
try
{
await WriteChildren(sessionWriter, root, child.Children);
}
catch (Exception ex)
{
Debug.WriteLine($"There was a problem saving the session {ex.Message}");
SavingErrors.Add(ex);
}
sessionWriter.PopPathName();
}
JObject user;
if (!json.TryGetValue("user", out var currentUser))
{
// No 'user' obj in json ... make a default and use it
user = new JObject();
}
if (currentUser is JObject o)
{
// Found 'user' obj in json ... use it
user = o;
}
else
{
// Found 'user' obj in json, but not a JObject ... make a default and use it
user = new JObject();
}
if (child.Name != null)
{
// Store tree from child
user[child.Name] = root;
}
else
{
// Merge tree
user.Merge(root);
}
// Update json
json["user"] = user;
}
}
