Add support for custom objects within the dialogContext (Azure#37947)

Author: calvinkwtang

sdk/communication/Azure.Communication.CallAutomation/src/CallDialog.cs

@@ -5,6 +5,7 @@
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
+using System.Text.Json;
 using System.Threading;
 using System.Threading.Tasks;
 using Azure.Core;
@@ -109,7 +110,7 @@ private static StartDialogRequestInternal CreateStartDialogRequest(StartDialogOp
         {
             DialogOptionsInternal dialogOptionsInternal = new DialogOptionsInternal(
                 startDialogOptions.BotAppId,
-                startDialogOptions.DialogContext);
+                startDialogOptions.DialogContext.ToDictionary(entry => entry.Key, entry => (object)JsonSerializer.Serialize(entry.Value)));
             StartDialogRequestInternal startDialogRequestInternal = new StartDialogRequestInternal(dialogOptionsInternal, startDialogOptions.DialogInputType)
             {
                 OperationContext = startDialogOptions.OperationContext == default ? Guid.NewGuid().ToString() : startDialogOptions.OperationContext

sdk/communication/Azure.Communication.CallAutomation/tests/CallDialogs/CallDialogTests.cs

@@ -13,11 +13,39 @@ namespace Azure.Communication.CallAutomation.Tests.CallDialogs
     public class CallDialogTests : CallAutomationTestBase
     {
         private const string dialogId = "92e08834-b6ee-4ede-8956-9fefa27a691c";
+        private static readonly Dictionary<string, object> dialogContextWithObject = new Dictionary<string, object>()
+        {
+            {
+                "context",
+                new
+                {
+                    contextName = "name",
+                    secondProperty = 1
+                }
+            }
+        };
+        private static readonly Dictionary<string, object> dialogContextWithString = new Dictionary<string, object>()
+        {
+            {
+                "context",
+                "context"
+            }
+        };
         private static readonly StartDialogOptions _startDialogOptions = new StartDialogOptions(DialogInputType.PowerVirtualAgents, "botAppId", new Dictionary<string, object>())
         {
             OperationContext = "context"
         };
 
+        private static readonly StartDialogOptions _startDialogWithCustomObjectOptions = new StartDialogOptions(DialogInputType.PowerVirtualAgents, "botAppId", dialogContextWithObject)
+        {
+            OperationContext = "context"
+        };
+
+        private static readonly StartDialogOptions _startDialogWithStringOptions = new StartDialogOptions(DialogInputType.PowerVirtualAgents, "botAppId", dialogContextWithString)
+        {
+            OperationContext = "context"
+        };
+
         private static readonly StartDialogOptions _startDialogWithIdOptions = new StartDialogOptions(dialogId, DialogInputType.PowerVirtualAgents, "botAppId", new Dictionary<string, object>())
         {
             OperationContext = "context"
@@ -101,6 +129,14 @@ public void StopDialog_Return204NoContent(Func<CallDialog, Response<DialogResult
                     callDialog => callDialog.StartDialogAsync(_startDialogOptions)
                 },
                 new Func<CallDialog, Task<Response<DialogResult>>>?[]
+                {
+                    callDialog => callDialog.StartDialogAsync(_startDialogWithCustomObjectOptions)
+                },
+                new Func<CallDialog, Task<Response<DialogResult>>>?[]
+                {
+                    callDialog => callDialog.StartDialogAsync(_startDialogWithStringOptions)
+                },
+                new Func<CallDialog, Task<Response<DialogResult>>>?[]
                 {
                     callDialog => callDialog.StartDialogAsync(_startDialogWithIdOptions)
                 },
@@ -116,6 +152,14 @@ public void StopDialog_Return204NoContent(Func<CallDialog, Response<DialogResult
                     callDialog => callDialog.StartDialog(_startDialogOptions)
                 },
                 new Func<CallDialog, Response<DialogResult>>?[]
+                {
+                    callDialog => callDialog.StartDialog(_startDialogWithCustomObjectOptions)
+                },
+                new Func<CallDialog, Response<DialogResult>>?[]
+                {
+                    callDialog => callDialog.StartDialog(_startDialogWithStringOptions)
+                },
+                new Func<CallDialog, Response<DialogResult>>?[]
                 {
                     callDialog => callDialog.StartDialog(_startDialogWithIdOptions)
                 },