public void Discover(ShapeTableBuilder builder)
{
builder.Describe("Foo")
.OnDisplaying(displaying =>
displaying.ChildContent = new HtmlString("<h1>Hi</h1>")
);
}
public ShapeTable GetShapeTable(string themeId)
{
var cacheKey = $"ShapeTable:{themeId}";
ShapeTable shapeTable;
if (!_memoryCache.TryGetValue(cacheKey, out shapeTable))
{
if (_logger.IsEnabled(LogLevel.Information))
{
_logger.LogInformation("Start building shape table");
}
var excludedFeatures = _shapeDescriptors.Count == 0 ? new List <string>() :
_shapeDescriptors.Select(kv => kv.Value.Feature.Id).Distinct().ToList();
foreach (var bindingStrategy in _bindingStrategies)
{
var strategyFeature = _typeFeatureProvider.GetFeatureForDependency(bindingStrategy.GetType());
if (!(bindingStrategy is IShapeTableHarvester) && excludedFeatures.Contains(strategyFeature.Id))
{
continue;
}
var builder = new ShapeTableBuilder(strategyFeature, excludedFeatures);
bindingStrategy.Discover(builder);
var builtAlterations = builder.BuildAlterations();
BuildDescriptors(bindingStrategy, builtAlterations);
}
var enabledAndOrderedFeatureIds = _shellFeaturesManager
.GetEnabledFeaturesAsync()
.GetAwaiter()
.GetResult()
.Select(f => f.Id)
.ToList();
// let the application acting as a super theme for shapes rendering.
if (enabledAndOrderedFeatureIds.Remove(_hostingEnvironment.ApplicationName))
{
enabledAndOrderedFeatureIds.Add(_hostingEnvironment.ApplicationName);
}
var descriptors = _shapeDescriptors
.Where(sd => enabledAndOrderedFeatureIds.Contains(sd.Value.Feature.Id))
.Where(sd => IsModuleOrRequestedTheme(sd.Value.Feature, themeId))
.OrderBy(sd => enabledAndOrderedFeatureIds.IndexOf(sd.Value.Feature.Id))
.GroupBy(sd => sd.Value.ShapeType, StringComparer.OrdinalIgnoreCase)
.Select(group => new ShapeDescriptorIndex
(
shapeType: group.Key,
alterationKeys: group.Select(kv => kv.Key),
descriptors: _shapeDescriptors
));
shapeTable = new ShapeTable
{
Descriptors = descriptors.Cast <ShapeDescriptor>().ToDictionary(sd => sd.ShapeType, StringComparer.OrdinalIgnoreCase),
Bindings = descriptors.SelectMany(sd => sd.Bindings).ToDictionary(kv => kv.Key, kv => kv.Value, StringComparer.OrdinalIgnoreCase)
};
if (_logger.IsEnabled(LogLevel.Information))
{
_logger.LogInformation("Done building shape table");
}
_memoryCache.Set(cacheKey, shapeTable, new MemoryCacheEntryOptions {
Priority = CacheItemPriority.NeverRemove
});
}
return(shapeTable);
}