public async Task <List <FeatureNameValueWithGrantedProvider> > GetAllWithProviderAsync(string providerName,
string providerKey, bool fallback = true)
{
Check.NotNull(providerName, nameof(providerName));
var featureDefinitions = FeatureDefinitionManager.GetAll();
var providers = Enumerable.Reverse(Providers)
.SkipWhile(c => c.Name != providerName);
if (!fallback)
{
providers = providers.TakeWhile(c => c.Name == providerName);
}
var providerList = providers.Reverse().ToList();
if (!providerList.Any())
{
return(new List <FeatureNameValueWithGrantedProvider>());
}
var featureValues = new Dictionary <string, FeatureNameValueWithGrantedProvider>();
foreach (var feature in featureDefinitions)
{
var featureNameValueWithGrantedProvider = new FeatureNameValueWithGrantedProvider(feature.Name, null);
foreach (var provider in providerList)
{
string pk = null;
if (provider.Compatible(providerName))
{
pk = providerKey;
}
var value = await provider.GetOrNullAsync(feature, pk);
if (value != null)
{
featureNameValueWithGrantedProvider.Value = value;
featureNameValueWithGrantedProvider.Provider = new FeatureValueProviderInfo(provider.Name, pk);
break;
}
}
if (featureNameValueWithGrantedProvider.Value != null)
{
featureValues[feature.Name] = featureNameValueWithGrantedProvider;
}
}
return(featureValues.Values.ToList());
}
protected virtual async Task <FeatureNameValueWithGrantedProvider> GetOrNullInternalAsync(
string name,
string providerName,
string providerKey,
bool fallback = true) //TODO: Fallback is not used
{
var feature = FeatureDefinitionManager.Get(name);
var providers = Enumerable
.Reverse(Providers);
if (providerName != null)
{
providers = providers.SkipWhile(c => c.Name != providerName);
}
var featureNameValueWithGrantedProvider = new FeatureNameValueWithGrantedProvider(name, null);
foreach (var provider in providers)
{
string pk = null;
if (provider.Compatible(providerName))
{
pk = providerKey;
}
var value = await provider.GetOrNullAsync(feature, pk);
if (value != null)
{
featureNameValueWithGrantedProvider.Value = value;
featureNameValueWithGrantedProvider.Provider = new FeatureValueProviderInfo(provider.Name, pk);
break;
}
}
return(featureNameValueWithGrantedProvider);
}