public async Task <IActionResult> Index()
{
if (!await _authorizationService.AuthorizeAsync(User, Permissions.ManageLayers))
{
return(Unauthorized());
}
var layers = await _layerService.GetLayersAsync();
var widgets = await _layerService.GetLayerWidgetsAsync(c => c.Latest == true);
var model = new LayersIndexViewModel {
Layers = layers.Layers
};
model.Zones = (await _siteService.GetSiteSettingsAsync()).As <LayerSettings>()?.Zones ?? Array.Empty <string>();
model.Widgets = new Dictionary <string, List <dynamic> >();
foreach (var widget in widgets.OrderBy(x => x.Position))
{
var zone = widget.Zone;
List <dynamic> list;
if (!model.Widgets.TryGetValue(zone, out list))
{
model.Widgets.Add(zone, list = new List <dynamic>());
}
list.Add(await _contentItemDisplayManager.BuildDisplayAsync(widget.ContentItem, this, "SummaryAdmin"));
}
return(View(model));
}
public async Task OnResultExecutionAsync(ResultExecutingContext context, ResultExecutionDelegate next)
{
// Should only run on the front-end for a full view
if ((context.Result is ViewResult || context.Result is PageResult) &&
!AdminAttribute.IsApplied(context.HttpContext))
{
// Even if the Admin attribute is not applied we might be using the admin theme, for instance in Login views.
// In this case don't render Layers.
var selectedTheme = (await _themeManager.GetThemeAsync())?.Id;
var adminTheme = await _adminThemeService.GetAdminThemeNameAsync();
if (selectedTheme == adminTheme)
{
await next.Invoke();
return;
}
var widgets = await _memoryCache.GetOrCreateAsync("OrchardCore.Layers.LayerFilter:AllWidgets", entry =>
{
entry.AddExpirationToken(_signal.GetToken(LayerMetadataHandler.LayerChangeToken));
return(_layerService.GetLayerWidgetsAsync(x => x.Published));
});
var layers = (await _layerService.GetLayersAsync()).Layers.ToDictionary(x => x.Name);
dynamic layout = await _layoutAccessor.GetLayoutAsync();
var updater = _modelUpdaterAccessor.ModelUpdater;
var engine = _scriptingManager.GetScriptingEngine("js");
var scope = engine.CreateScope(_scriptingManager.GlobalMethodProviders.SelectMany(x => x.GetMethods()), _serviceProvider, null, null);
var layersCache = new Dictionary <string, bool>();
foreach (var widget in widgets)
{
var layer = layers[widget.Layer];
if (layer == null)
{
continue;
}
bool display;
if (!layersCache.TryGetValue(layer.Name, out display))
{
if (String.IsNullOrEmpty(layer.Rule))
{
display = false;
}
else
{
display = Convert.ToBoolean(engine.Evaluate(scope, layer.Rule));
}
layersCache[layer.Rule] = display;
}
if (!display)
{
continue;
}
var widgetContent = await _contentItemDisplayManager.BuildDisplayAsync(widget.ContentItem, updater);
widgetContent.Classes.Add("widget");
widgetContent.Classes.Add("widget-" + widget.ContentItem.ContentType.HtmlClassify());
var wrapper = new WidgetWrapper
{
Widget = widget.ContentItem,
Content = widgetContent
};
wrapper.Metadata.Alternates.Add("Widget_Wrapper__" + widget.ContentItem.ContentType);
wrapper.Metadata.Alternates.Add("Widget_Wrapper__Zone__" + widget.Zone);
var contentZone = layout.Zones[widget.Zone];
contentZone.Add(wrapper);
}
}
await next.Invoke();
}
public async Task OnResultExecutionAsync(ResultExecutingContext context, ResultExecutionDelegate next)
{
// Should only run on the front-end for a full view
if (context.Result is ViewResult && !AdminAttribute.IsApplied(context.HttpContext))
{
var widgets = await _layerService.GetLayerWidgetsAsync(x => x.Published);
var layers = (await _layerService.GetLayersAsync()).Layers.ToDictionary(x => x.Name);
var layout = _layoutAccessor.GetLayout();
var updater = _modelUpdaterAccessor.ModelUpdater;
var engine = _scriptingManager.GetScriptingEngine("js");
var scope = engine.CreateScope(_scriptingManager.GlobalMethodProviders.SelectMany(x => x.GetMethods()), _serviceProvider);
var layersCache = new Dictionary <string, bool>();
foreach (var widget in widgets)
{
var layer = layers[widget.Layer];
if (layer == null)
{
continue;
}
bool display;
if (!layersCache.TryGetValue(layer.Name, out display))
{
if (String.IsNullOrEmpty(layer.Rule))
{
display = false;
}
else
{
display = Convert.ToBoolean(engine.Evaluate(scope, layer.Rule));
}
layersCache[layer.Rule] = display;
}
if (!display)
{
continue;
}
IShape widgetContent = await _contentItemDisplayManager.BuildDisplayAsync(widget.ContentItem, updater);
widgetContent.Classes.Add("widget");
widgetContent.Classes.Add("widget-" + widget.ContentItem.ContentType.HtmlClassify());
var wrapper = _shapeFactory.Create("Widget_Wrapper", new { Widget = widget.ContentItem, Content = widgetContent });
wrapper.Metadata.Alternates.Add("Widget_Wrapper__" + widget.ContentItem.ContentType);
var contentZone = layout.Zones[widget.Zone];
contentZone.Add(wrapper);
}
}
await next.Invoke();
}