Implemented initial FeatureStore

modules/feature-management/src/Volo.Abp.FeatureManagement.Domain/Volo.Abp.FeatureManagement.Domain.csproj

@@ -9,6 +9,7 @@
 
   <ItemGroup>
     <ProjectReference Include="..\..\..\..\framework\src\Volo.Abp.Ddd.Domain\Volo.Abp.Ddd.Domain.csproj" />
+    <ProjectReference Include="..\..\..\..\framework\src\Volo.Abp.Features\Volo.Abp.Features.csproj" />
   </ItemGroup>
 
   <ItemGroup>

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

@@ -1,4 +1,5 @@
 using Volo.Abp.FeatureManagement.Localization;
+using Volo.Abp.Features;
 using Volo.Abp.Localization;
 using Volo.Abp.Localization.ExceptionHandling;
 using Volo.Abp.Modularity;
@@ -7,7 +8,8 @@ using Volo.Abp.VirtualFileSystem;
 namespace Volo.Abp.FeatureManagement
 {
     [DependsOn(
-        typeof(AbpFeatureManagementDomainSharedModule)
+        typeof(AbpFeatureManagementDomainSharedModule),
+        typeof(AbpFeaturesModule)
         )]
     public class AbpFeatureManagementDomainModule : AbpModule
     {

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

@@ -0,0 +1,27 @@
+using System.Threading.Tasks;
+using Volo.Abp.DependencyInjection;
+using Volo.Abp.Features;
+
+namespace Volo.Abp.FeatureManagement
+{
+    //TODO: Implement caching
+
+    public class FeatureStore : IFeatureStore, ITransientDependency
+    {
+        protected IFeatureValueRepository FeatureValueRepository { get; }
+
+        public FeatureStore(IFeatureValueRepository featureValueRepository)
+        {
+            FeatureValueRepository = featureValueRepository;
+        }
+
+        public async Task<string> GetOrNullAsync(
+            string name, 
+            string providerName, 
+            string providerKey)
+        {
+            var featureValue = await FeatureValueRepository.FindAsync(name, providerName, providerKey);
+            return featureValue?.Value;
+        }
+    }
+}

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

@@ -0,0 +1,42 @@
+using System;
+using JetBrains.Annotations;
+using Volo.Abp.Domain.Entities;
+
+namespace Volo.Abp.FeatureManagement
+{
+    public class FeatureValue : Entity<Guid>, IAggregateRoot<Guid>
+    {
+        [NotNull]
+        public virtual string Name { get; protected set; }
+
+        [NotNull]
+        public virtual string Value { get; internal set; }
+
+        [NotNull]
+        public virtual string ProviderName { get; protected set; }
+
+        [CanBeNull]
+        public virtual string ProviderKey { get; protected set; }
+
+        protected FeatureValue()
+        {
+
+        }
+
+        public FeatureValue(
+            Guid id,
+            [NotNull] string name,
+            [NotNull] string value,
+            [NotNull] string providerName,
+            [CanBeNull] string providerKey)
+        {
+            Check.NotNull(name, nameof(name));
+
+            Id = id;
+            Name = Check.NotNullOrWhiteSpace(name, nameof(name));
+            Value = Check.NotNullOrWhiteSpace(value, nameof(value));
+            ProviderName = Check.NotNullOrWhiteSpace(providerName, nameof(providerName));
+            ProviderKey = providerKey;
+        }
+    }
+}

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

@@ -0,0 +1,13 @@
+namespace Volo.Abp.FeatureManagement
+{
+    public static class FeatureValueConsts
+    {
+        public const int MaxNameLength = 128;
+
+        public const int MaxProviderNameLength = 64;
+
+        public const int MaxProviderKeyLength = 64;
+
+        public const int MaxValueLength = 128;
+    }
+}

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

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using Volo.Abp.Domain.Repositories;
+
+namespace Volo.Abp.FeatureManagement
+{
+    public interface IFeatureValueRepository : IBasicRepository<FeatureValue, Guid>
+    {
+        Task<FeatureValue> FindAsync(string name, string providerName, string providerKey);
+
+        Task<List<FeatureValue>> GetListAsync(string providerName, string providerKey);
+    }
+}