public async Task FillItems(SampleDataGroup group)
{
var groupKind = group.GroupKind;
try {
var localMessages = await localStorageService.LoadGroup(groupKind);
group.Items.Clear();
foreach (var message in localMessages)
{
group.Items.Add(CreateItem(message, group));
}
var networkMessages = await GetClientGroupMessages(groupKind);
group.Items.Clear();
foreach (var message in networkMessages)
{
group.Items.Add(CreateItem(message, group));
}
messagesByGroupKind[groupKind] = networkMessages;
if (networkMessages != null)
{
group.Items.Clear();
networkMessages
.Select(x => CreateItem(x, group))
.ForEach(group.Items.Add);
}
} catch {
// todo: show message that working offline
}
}
