/// <summary>
/// Implement to provide data to the collection.
/// </summary>
protected sealed override void Update()
{
_context.Synchronize();
if (_context.Data.CheckItems == null)
{
return;
}
foreach (var jsonCheckItem in _context.Data.CheckItems)
{
var checkItem = Items.SingleOrDefault(ci => ci.Id == jsonCheckItem.Id);
if (checkItem == null)
{
Items.Add(new CheckItem(jsonCheckItem, _context.Data.Id));
}
else
{
checkItem.Json = jsonCheckItem;
}
}
foreach (var checkItem in Items.ToList())
{
if (_context.Data.CheckItems.All(jci => jci.Id != checkItem.Id))
{
Items.Remove(checkItem);
}
}
}
/// <summary>
/// Manually updates the collection's data.
/// </summary>
/// <param name="ct">(Optional) A cancellation token for async processing.</param>
public sealed override async Task Refresh(CancellationToken ct = default(CancellationToken))
{
await _context.Synchronize(ct);
if (_context.Data.CheckItems == null)
{
return;
}
foreach (var jsonCheckItem in _context.Data.CheckItems)
{
var checkItem = Items.SingleOrDefault(ci => ci.Id == jsonCheckItem.Id);
if (checkItem == null)
{
Items.Add(new CheckItem(jsonCheckItem, _context.Data.Id));
}
else
{
((CheckItem)checkItem).Json = jsonCheckItem;
}
}
foreach (var checkItem in Items.ToList())
{
if (_context.Data.CheckItems.All(jci => jci.Id != checkItem.Id))
{
Items.Remove(checkItem);
}
}
}
internal sealed override async Task PerformRefresh(bool force, CancellationToken ct)
{
await _context.Synchronize(force, ct);
if (_context.Data.CheckItems == null)
{
return;
}
EventAggregator.Unsubscribe(this);
foreach (var jsonCheckItem in _context.Data.CheckItems)
{
var checkItem = Items.SingleOrDefault(ci => ci.Id == jsonCheckItem.Id);
if (checkItem == null)
{
Items.Add(new CheckItem(jsonCheckItem, _context.Data.Id));
}
else
{
((CheckItem)checkItem).Json = jsonCheckItem;
}
}
EventAggregator.Subscribe(this);
foreach (var checkItem in Items.ToList())
{
if (_context.Data.CheckItems.All(jci => jci.Id != checkItem.Id))
{
Items.Remove(checkItem);
}
}
}
/// <summary>
/// Refreshes the checklist data.
/// </summary>
/// <param name="ct">(Optional) A cancellation token for async processing.</param>
public async Task Refresh(CancellationToken ct = default(CancellationToken))
{
await _context.Synchronize(ct);
}
/// <summary>
/// Refreshes the checklist data.
/// </summary>
/// <param name="force">Indicates that the refresh should ignore the value in <see cref="TrelloConfiguration.RefreshThrottle"/> and make the call to the API.</param>
/// <param name="ct">(Optional) A cancellation token for async processing.</param>
public Task Refresh(bool force = false, CancellationToken ct = default(CancellationToken))
{
return(_context.Synchronize(force, ct));
}