Add IServiceCollection.AddOptions extension method.

Author: RehanSaeed

Source/Boxed.AspNetCore/Boxed.AspNetCore.csproj

@@ -9,7 +9,7 @@
   </PropertyGroup>
 
   <PropertyGroup Label="Package">
-    <VersionPrefix>2.1.0</VersionPrefix>
+    <VersionPrefix>2.2.0</VersionPrefix>
     <Authors>Muhammad Rehan Saeed (RehanSaeed.com)</Authors>
     <Product>ASP.NET Core Framework Boxed</Product>
     <Description>Provides ASP.NET Core middleware, MVC filters, extension methods and helper code for an ASP.NET Core project.</Description>
@@ -45,6 +45,7 @@
     <PackageReference Include="Microsoft.AspNetCore.Rewrite" Version="2.1.0" />
     <PackageReference Include="Microsoft.Extensions.Caching.Abstractions" Version="2.1.0" />
     <PackageReference Include="Microsoft.Extensions.Configuration.Binder" Version="2.1.0" />
+    <PackageReference Include="Microsoft.Extensions.Options.ConfigurationExtensions" Version="2.1.0" />
     <PackageReference Condition="'$(OS)' == 'Windows_NT'" Include="Microsoft.SourceLink.GitHub" PrivateAssets="All" Version="1.0.0-beta-62925-02" />
     <PackageReference Include="Newtonsoft.Json" Version="11.0.2" />
     <PackageReference Include="StyleCop.Analyzers" PrivateAssets="All" Version="1.1.0-beta007" />

Source/Boxed.AspNetCore/ServiceCollectionExtensions.cs

@@ -1,7 +1,9 @@
 namespace Boxed.AspNetCore
 {
     using System;
+    using Microsoft.Extensions.Configuration;
     using Microsoft.Extensions.DependencyInjection;
+    using Microsoft.Extensions.Options;
 
     /// <summary>
     /// <see cref="IServiceCollection"/> extension methods.
@@ -57,5 +59,20 @@ public static IServiceCollection AddIfElse(
 
             return services;
         }
+
+        /// <summary>
+        /// Registers <see cref="IOptions{TOptions}"/> and <typeparamref name="TOptions"/> to the services container.
+        /// </summary>
+        /// <typeparam name="TOptions">The type of the options.</typeparam>
+        /// <param name="services">The services collection.</param>
+        /// <param name="configuration">The configuration.</param>
+        /// <returns>The same services collection.</returns>
+        public static IServiceCollection AddOptions<TOptions>(
+            this IServiceCollection services,
+            IConfiguration configuration)
+            where TOptions : class, new() =>
+            services
+                .Configure<TOptions>(configuration)
+                .AddSingleton(x => x.GetRequiredService<IOptions<TOptions>>().Value);
     }
 }

Tests/Boxed.AspNetCore.Swagger.Test/Boxed.AspNetCore.Swagger.Test.csproj

@@ -21,7 +21,7 @@
   <ItemGroup Label="Package References">
     <PackageReference Include="Microsoft.AspNetCore.Mvc.Abstractions" Version="2.1.0" />
     <PackageReference Include="Microsoft.AspNetCore.Mvc.ApiExplorer" Version="2.1.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.8.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.9.0" />
     <PackageReference Include="Moq" Version="4.10.0" />
     <PackageReference Include="StyleCop.Analyzers" PrivateAssets="All" Version="1.1.0-beta007" />
     <PackageReference Include="xunit" Version="2.4.0" />

Tests/Boxed.AspNetCore.TagHelpers.Test/Boxed.AspNetCore.TagHelpers.Test.csproj

@@ -14,7 +14,7 @@
 
   <ItemGroup Label="Package References">
     <PackageReference Include="Microsoft.AspNetCore.Razor" Version="2.1.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.8.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.9.0" />
     <PackageReference Include="Moq" Version="4.10.0" />
     <PackageReference Include="StyleCop.Analyzers" PrivateAssets="All" Version="1.1.0-beta007" />
     <PackageReference Include="xunit" Version="2.4.0" />

Tests/Boxed.AspNetCore.Test/Boxed.AspNetCore.Test.csproj

@@ -15,7 +15,7 @@
   <ItemGroup Label="Package References">
     <PackageReference Include="Microsoft.AspNetCore.Hosting" Version="2.1.0" />
     <PackageReference Include="Microsoft.AspNetCore.Mvc" Version="2.1.0" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.8.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.9.0" />
     <PackageReference Include="Moq" Version="4.10.0" />
     <PackageReference Include="StyleCop.Analyzers" PrivateAssets="All" Version="1.1.0-beta007" />
     <PackageReference Include="xunit" Version="2.4.0" />

Tests/Boxed.Mapping.Test/Boxed.Mapping.Test.csproj

@@ -13,7 +13,7 @@
   </ItemGroup>
 
   <ItemGroup Label="Package References">
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.8.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.9.0" />
     <PackageReference Include="Moq" Version="4.10.0" />
     <PackageReference Include="StyleCop.Analyzers" PrivateAssets="All" Version="1.1.0-beta007" />
     <PackageReference Include="xunit" Version="2.4.0" />