public async Task FilterAsync(ContentOptionsViewModel model, IQuery <ContentItem> query, IUpdateModel updater)
{
var viewModel = new ListPartContentsAdminFilterViewModel();
if (await updater.TryUpdateModelAsync(viewModel, nameof(ListPart)))
{
// Show list content items
if (viewModel.ShowListContentTypes)
{
var listableTypes = _contentDefinitionManager
.ListTypeDefinitions()
.Where(x =>
x.Parts.Any(p =>
p.PartDefinition.Name == nameof(ListPart)))
.Select(x => x.Name);
query.With <ContentItemIndex>(x => x.ContentType.IsIn(listableTypes));
}
// Show contained elements for the specified list
else if (viewModel.ListContentItemId != null)
{
query.With <ContainedPartIndex>(x => x.ListContentItemId == viewModel.ListContentItemId);
}
}
}
public override async Task <IDisplayResult> UpdateAsync(ContentOptionsViewModel model, IUpdateModel updater)
{
var viewModel = new ListPartContentsAdminFilterViewModel();
if (await updater.TryUpdateModelAsync(viewModel, nameof(ListPart)))
{
if (viewModel.ShowListContentTypes)
{
model.RouteValues.TryAdd("ListPart.ShowListContentTypes", viewModel.ShowListContentTypes);
}
if (!string.IsNullOrEmpty(viewModel.ListContentItemId))
{
model.RouteValues.TryAdd("ListPart.ListContentItemId", viewModel.ListContentItemId);
}
}
return(Edit(model, updater));
}
