protected void UpdateGroups(PhilipsHueBridge bridge, List <Group> groups)
{
foreach (Group group in groups)
{
string groupKey = $"{bridge.BridgeId}-{group.Id}";
GroupDataModel groupDataModel = null;
if (TryGetDynamicChild(groupKey, out DynamicChild <GroupDataModel> dynamicChild))
{
groupDataModel = dynamicChild.Value;
}
if (groupDataModel != null)
{
groupDataModel.HueGroup = group;
}
else
{
groupDataModel = AddDynamicChild(groupKey, new GroupDataModel(group, bridge.BridgeInfo)).Value;
Groups.Add(groupDataModel);
}
groupDataModel.DataModelDescription.Name = groupDataModel.Name;
}
// Remove groups that no longer exist
List <GroupDataModel> groupsToRemove = Groups
.Where(dmg => dmg.HueBridge.Config?.BridgeId == bridge.BridgeId && groups.All(g => g.Id == dmg.HueGroup.Id))
.ToList();
foreach (GroupDataModel groupDataModel in groupsToRemove)
{
RemoveDynamicChildByKey($"{bridge.BridgeId}-{groupDataModel.HueGroup.Id}");
Groups.Remove(groupDataModel);
}
}