public async ValueTask <FluidValue> ProcessAsync(FluidValue input, FilterArguments arguments, LiquidTemplateContext ctx)
{
string listContentItemId;
if (input.Type == FluidValues.Object && input.ToObjectValue() is ContentItem contentItem)
{
listContentItemId = contentItem.ContentItemId;
}
else
{
listContentItemId = input.ToStringValue();
}
var listCount = await ListQueryHelpers.QueryListItemsCountAsync(_session, listContentItemId);
return(NumberValue.Create(listCount));
}
public async ValueTask <FluidValue> ProcessAsync(FluidValue input, FilterArguments arguments, TemplateContext ctx)
{
if (!ctx.AmbientValues.TryGetValue("Services", out var services))
{
throw new ArgumentException("Services missing while invoking 'list_count'");
}
string listContentItemId = null;
if (input.Type == FluidValues.Object && input.ToObjectValue() is ContentItem contentItem)
{
listContentItemId = contentItem.ContentItemId;
}
else
{
listContentItemId = input.ToStringValue();
}
var session = ((IServiceProvider)services).GetRequiredService <ISession>();
var listCount = await ListQueryHelpers.QueryListItemsCountAsync(session, listContentItemId);
return(NumberValue.Create(listCount));
}
/// <summary>
/// Returns list items.
/// </summary>
/// <param name="listContentItemId">The list content item id.</param>
/// <param name="itemPredicate">The optional predicate applied to each item. By defult published items only.</param>
/// <returns>An enumerable of list items satisfying given predicate.</returns>
public static async Task <IEnumerable <ContentItem> > QueryListItemsAsync(this IOrchardHelper orchardHelper, string listContentItemId, Expression <Func <ContentItemIndex, bool> > itemPredicate = null)
{
var session = orchardHelper.HttpContext.RequestServices.GetService <ISession>();
return(await ListQueryHelpers.QueryListItemsAsync(session, listContentItemId, itemPredicate));
}
