Add some extension methods.

modules/feature-management/src/Volo.Abp.FeatureManagement.Domain/Volo/Abp/FeatureManagement/DefaultValueFeatureManagerExtensions.cs

@@ -16,5 +16,15 @@ namespace Volo.Abp.FeatureManagement
         {
             return featureManager.GetAllAsync(DefaultValueFeatureValueProvider.ProviderName, null, fallback);
         }
+
+        public static Task<FeatureNameValueWithGrantedProvider> GetOrNullWithProviderAsync(this IFeatureManager featureManager, [NotNull] string name, bool fallback = true)
+        {
+            return featureManager.GetOrNullWithProviderAsync(name, DefaultValueFeatureValueProvider.ProviderName, null, fallback);
+        }
+
+        public static Task<List<FeatureNameValueWithGrantedProvider>> GetAllWithProviderAsync(this IFeatureManager featureManager, bool fallback = true)
+        {
+            return featureManager.GetAllWithProviderAsync(DefaultValueFeatureValueProvider.ProviderName, null, fallback);
+        }
     }
-}
+}

modules/feature-management/src/Volo.Abp.FeatureManagement.Domain/Volo/Abp/FeatureManagement/EditionFeatureManagerExtensions.cs

@@ -18,9 +18,19 @@ namespace Volo.Abp.FeatureManagement
             return featureManager.GetAllAsync(EditionFeatureValueProvider.ProviderName, editionId.ToString(), fallback);
         }
 
+        public static Task<FeatureNameValueWithGrantedProvider> GetOrNullWithProviderForEditionAsync(this IFeatureManager featureManager, [NotNull] string name, Guid editionId, bool fallback = true)
+        {
+            return featureManager.GetOrNullWithProviderAsync(name, EditionFeatureValueProvider.ProviderName, editionId.ToString(), fallback);
+        }
+
+        public static Task<List<FeatureNameValueWithGrantedProvider>> GetAllWithProviderForEditionAsync(this IFeatureManager featureManager, Guid editionId, bool fallback = true)
+        {
+            return featureManager.GetAllWithProviderAsync(EditionFeatureValueProvider.ProviderName, editionId.ToString(), fallback);
+        }
+
         public static Task SetForEditionAsync(this IFeatureManager featureManager, Guid editionId, [NotNull] string name, [CanBeNull] string value, bool forceToSet = false)
         {
             return featureManager.SetAsync(name, value, EditionFeatureValueProvider.ProviderName, editionId.ToString(), forceToSet);
         }
     }
-}
+}

modules/feature-management/src/Volo.Abp.FeatureManagement.Domain/Volo/Abp/FeatureManagement/TenantFeatureManagerExtensions.cs

@@ -18,6 +18,16 @@ namespace Volo.Abp.FeatureManagement
             return featureManager.GetAllAsync(TenantFeatureValueProvider.ProviderName, tenantId.ToString(), fallback);
         }
 
+        public static Task<FeatureNameValueWithGrantedProvider> GetOrNullWithProviderForTenantAsync(this IFeatureManager featureManager, [NotNull] string name, Guid tenantId, bool fallback = true)
+        {
+            return featureManager.GetOrNullWithProviderAsync(name, TenantFeatureValueProvider.ProviderName, tenantId.ToString(), fallback);
+        }
+
+        public static Task<List<FeatureNameValueWithGrantedProvider>> GetAllWithProviderForTenantAsync(this IFeatureManager featureManager, Guid tenantId, bool fallback = true)
+        {
+            return featureManager.GetAllWithProviderAsync(TenantFeatureValueProvider.ProviderName, tenantId.ToString(), fallback);
+        }
+
         public static Task SetForTenantAsync(this IFeatureManager featureManager, Guid tenantId, [NotNull] string name, [CanBeNull] string value, bool forceToSet = false)
         {
             return featureManager.SetAsync(name, value, TenantFeatureValueProvider.ProviderName, tenantId.ToString(), forceToSet);