From eb63e588b7e9ce48b3fc2137f515e4f06eb843a6 Mon Sep 17 00:00:00 2001
From: maurok <maurok@gmail.com>
Date: Thu, 1 Jun 2017 16:51:34 -0300
Subject: [PATCH] # Adding action model to showcase advanced usage options

---
 .../Advanced/AlternativesAction.cs            | 56 +++++++++++++++++++
 .../LuisActions.Samples.Shared.csproj         |  1 +
 2 files changed, 57 insertions(+)
 create mode 100644 CSharp/Blog-LUISActionBinding/LuisActions.Samples.Shared/Advanced/AlternativesAction.cs

diff --git a/CSharp/Blog-LUISActionBinding/LuisActions.Samples.Shared/Advanced/AlternativesAction.cs b/CSharp/Blog-LUISActionBinding/LuisActions.Samples.Shared/Advanced/AlternativesAction.cs
new file mode 100644
index 0000000000..21ef46ec02
--- /dev/null
+++ b/CSharp/Blog-LUISActionBinding/LuisActions.Samples.Shared/Advanced/AlternativesAction.cs
@@ -0,0 +1,56 @@
+namespace LuisActions.Samples
+{
+    using System;
+    using System.ComponentModel.DataAnnotations;
+    using System.Threading.Tasks;
+    using Microsoft.Cognitive.LUIS.ActionBinding;
+    using Newtonsoft.Json;
+
+    // This sample were added to showcase support to Custom List Entities - default JSON model does not have it
+
+    // Refer to 'List Entities' @ https://docs.microsoft.com/en-us/azure/cognitive-services/luis/add-entities
+
+    // You can create your own model with an 'AlternativeChoose' intent with utterances 
+    // having a 'List Entity' called 'Alternatives' with the canonical forms defined by the
+    // 'Alternative' enum - or just can simply create your custom list entity,
+    // intent and update the intent binding here and custom name/type at fields
+
+    public enum Alternative
+    {
+        // default (ie. empty choice)
+        None            =   0,
+
+        DomainOption1   =   11,
+        DomainOption2   =   12,
+        DomainOption3   =   13,
+
+        ExternalOption1 =   101,
+        ExternalOption2 =   102
+    }
+
+    public class RequiredEnumAttribute : ValidationAttribute
+    {
+        public override bool IsValid(object value)
+        {
+            return (int)value > 0;
+        }
+    }
+
+    [Serializable]
+    [LuisActionBinding("AlternativeChoose", FriendlyName = "Alternatives Choosing Model Sample")]
+    public class AlternativesAction : BaseLuisAction
+    {
+        [RequiredEnum(ErrorMessage = "Please provide an alternative")]
+        [LuisActionBindingParam(CustomType = "Alternatives", Order = 1)]
+        public Alternative FirstAlternative { get; set; }
+
+        [Required(ErrorMessage = "Please provide one or more alternatives")]
+        [LuisActionBindingParam(CustomType = "Alternatives", Order = 2)]
+        public Alternative[] SecondaryAlternatives { get; set; }
+
+        public override Task<object> FulfillAsync()
+        {
+            return Task.FromResult((object)JsonConvert.SerializeObject(this));
+        }
+    }
+}
diff --git a/CSharp/Blog-LUISActionBinding/LuisActions.Samples.Shared/LuisActions.Samples.Shared.csproj b/CSharp/Blog-LUISActionBinding/LuisActions.Samples.Shared/LuisActions.Samples.Shared.csproj
index 0dbef98449..af8406667f 100644
--- a/CSharp/Blog-LUISActionBinding/LuisActions.Samples.Shared/LuisActions.Samples.Shared.csproj
+++ b/CSharp/Blog-LUISActionBinding/LuisActions.Samples.Shared/LuisActions.Samples.Shared.csproj
@@ -58,6 +58,7 @@
     <Compile Include="GetDataFromPlaceBaseAction.cs" />
     <Compile Include="GetTimeInPlaceAction.cs" />
     <Compile Include="GetWeatherInPlaceAction.cs" />
+    <Compile Include="Advanced\AlternativesAction.cs" />
     <Compile Include="LocationAttibute.cs" />
     <Compile Include="Models\AirportInfo.cs" />
     <Compile Include="Models\WeatherInfo.cs" />