add extensions

Author: kdcllc

.gitignore

@@ -8,7 +8,7 @@
 *.user
 *.userosscache
 *.sln.docstates
-#*appsettings.Development.json
+*appsettings.Development.json
 
 # User-specific files (MonoDevelop/Xamarin Studio)
 *.userprefs

img/logo64x64.png

@@ -0,0 +1,37 @@
+using CometD.NetCore.Salesforce;
+using CometD.NetCore.Salesforce.ForceClient;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
+
+namespace Microsoft.Extensions.DependencyInjection
+{
+    /// <summary>
+    /// An extension method for <see cref="CometD.NetCore.Salesforce"/>.
+    /// </summary>
+    public static class StreamingClientExtensions
+    {
+        /// <summary>
+        /// An Extension method to add <see cref="StreamingClient"/> dependencies.
+        /// </summary>
+        /// <param name="services"></param>
+        /// <returns></returns>
+        public static IServiceCollection AddStreamingClient(this IServiceCollection services)
+        {
+            services.AddSingleton(sp =>
+            {
+                var salesforceConfig = new SalesforceConfiguration();
+                var config = sp.GetRequiredService<IConfiguration>();
+
+                config.Bind("Salesforce", salesforceConfig);
+
+                return salesforceConfig;
+            });
+
+            services.AddSingleton<IAuthenticationClientProxy, AuthenticationClientProxy>();
+            services.AddSingleton<IForceClientProxy, ForceClientProxy>();
+            services.AddSingleton<IStreamingClient, StreamingClient>();
+
+            return services;
+        }
+    }
+}