(GH-613) Add new options builder extensions to the redis caching provider

Author: johelvisguzman

src/DotNetToolkit.Repository.Caching.Redis/README.md

@@ -2,7 +2,7 @@
 
 ```csharp
 var options = new RepositoryOptionsBuilder()
-     .UseCachingProvider(new RedisCacheProvider())
+     .UseRedis(...)
      .Options;
 
 var repo = new Repository<Customer>(options);

src/DotNetToolkit.Repository.Caching.Redis/RepositoryOptionsBuilderExtensions.cs

@@ -0,0 +1,57 @@
+namespace DotNetToolkit.Repository.Caching.Redis
+{
+    using Configuration.Options;
+    using JetBrains.Annotations;
+    using System;
+    using Utility;
+
+    /// <summary>
+    /// Contains various extension methods for <see cref="RepositoryOptionsBuilder" />
+    /// </summary>
+    public static class RepositoryOptionsBuilderExtensions
+    {
+        /// <summary>
+        /// Configures the caching provider to use redis.
+        /// </summary>
+        /// <param name="source">The repository options builder.</param>
+        /// <returns>The same builder instance.</returns>
+        /// <remarks>This will connect to a single server on the local machine using the default redis port (6379).</remarks>
+        public static RepositoryOptionsBuilder UseRedis([NotNull] this RepositoryOptionsBuilder source)
+        {
+            Guard.NotNull(source, nameof(source));
+
+            source.UseCachingProvider(new RedisCacheProvider());
+
+            return source;
+        }
+
+        /// <summary>
+        /// Configures the caching provider to use redis.
+        /// </summary>
+        /// <param name="source">The repository options builder.</param>
+        /// <param name="optionsAction">The options action.</param>
+        /// <returns>The same builder instance.</returns>
+        public static RepositoryOptionsBuilder UseRedis([NotNull] this RepositoryOptionsBuilder source, [NotNull] Action<RedisCacheOptions> optionsAction)
+        {
+            Guard.NotNull(source, nameof(source));
+            Guard.NotNull(optionsAction, nameof(optionsAction));
+
+            var options = new RedisCacheOptions();
+
+            optionsAction(options);
+
+            var provider = new RedisCacheProvider(
+                options.Host,
+                options.Username,
+                options.Password,
+                options.Ssl,
+                options.AllowAdmin,
+                options.DefaultDatabase,
+                options.Expiry);
+
+            source.UseCachingProvider(provider);
+
+            return source;
+        }
+    }
+}