Add Azure OpenAi.

src/Infrastructure/BotSharp.Abstraction/IChatCompletionHandler.cs

@@ -1,6 +1,12 @@
+using BotSharp.Abstraction.Models;
+
 namespace BotSharp.Abstraction;
 
 public interface IChatCompletionHandler
 {
-    Task GetChatCompletionsAsync(string text, Func<string, bool, Task> onChunkReceived);
+    Task GetChatCompletionsAsync(string text, 
+        Func<string> GetInstruction, 
+        Func<List<RoleDialogModel>> GetChatHistory,
+        Func<string, Task> onChunkReceived,
+        Func<Task> onChunkCompleted);
 }

src/Infrastructure/BotSharp.Abstraction/IPlatformMidware.cs

@@ -1,6 +1,12 @@
+using BotSharp.Abstraction.Models;
+
 namespace BotSharp.Abstraction;
 
 public interface IPlatformMidware
 {
-    Task GetChatCompletionsAsync(string text, Func<string, bool, Task> onChunkReceived);
+    Task GetChatCompletionsAsync(string text,
+        Func<string> GetInstruction,
+        Func<List<RoleDialogModel>> GetChatHistory,
+        Func<string, Task> onChunkReceived,
+        Func<Task> onChunkCompleted);
 }

src/Infrastructure/BotSharp.Abstraction/Models/RoleDialogModel.cs

@@ -0,0 +1,7 @@
+namespace BotSharp.Abstraction.Models;
+
+public class RoleDialogModel
+{
+    public string Role { get; set; }
+    public string Content { get; set; }
+}

src/Infrastructure/BotSharp.Core/Services/PlatformMidware.cs

@@ -1,3 +1,4 @@
+using BotSharp.Abstraction.Models;
 using Microsoft.Extensions.DependencyInjection;
 
 namespace BotSharp.Core.Services;
@@ -10,13 +11,21 @@ public class PlatformMidware : IPlatformMidware
         _services = services;
     }
 
-    public async Task GetChatCompletionsAsync(string text, Func<string, bool, Task> onChunkReceived)
+    public async Task GetChatCompletionsAsync(string text,
+        Func<string> GetInstruction,
+        Func<List<RoleDialogModel>> GetChatHistory,
+        Func<string, Task> onChunkReceived,
+        Func<Task> onChunkCompleted)
     {
         var handlers = _services.GetServices<IChatCompletionHandler>().ToList();
         for (int i = 0; i < handlers.Count(); i++)
         {
             var handler = handlers[i];
-            await handler.GetChatCompletionsAsync(text, onChunkReceived);
+            await handler.GetChatCompletionsAsync(text,
+                GetInstruction,
+                GetChatHistory,
+                onChunkReceived,
+                onChunkCompleted);
         }
     }
 }

src/Platforms/BotSharp.Platform.AureAi/AzureAiServiceCollectionExtensions.cs

@@ -0,0 +1,21 @@
+using BotSharp.Abstraction;
+using BotSharp.Platform.AzureAi;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
+
+namespace BotSharp.Core;
+
+public static class AzureAiServiceCollectionExtensions
+{
+    public static IServiceCollection AddAzureOpenAi(this IServiceCollection services, IConfiguration config)
+    {
+        services.AddSingleton(x =>
+        {
+            var settings = new AzureAiSettings();
+            config.Bind("AzureAi", settings);
+            return settings;
+        });
+        services.AddScoped<IChatCompletionHandler, ChatCompletionHandler>();
+        return services;
+    }
+}

src/Platforms/BotSharp.Platform.AureAi/AzureAiSettings.cs

@@ -0,0 +1,9 @@
+namespace BotSharp.Platform.AzureAi;
+
+public class AzureAiSettings
+{
+    public string ApiKey { get; set; }
+    public string Endpoint { get; set; }
+    public string DeploymentModel { get; set; }
+    public string InstructionFile { get; set; }
+}

src/Platforms/BotSharp.Platform.AureAi/Handlers/ChatCompletionHandler.cs

@@ -0,0 +1,65 @@
+using Azure;
+using Azure.AI.OpenAI;
+using BotSharp.Abstraction;
+using BotSharp.Abstraction.Models;
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Threading.Tasks;
+
+namespace BotSharp.Platform.AzureAi;
+
+public class ChatCompletionHandler : IChatCompletionHandler
+{
+    private readonly AzureAiSettings _settings;
+
+    public ChatCompletionHandler(AzureAiSettings settings)
+    {
+        _settings = settings;
+    }
+
+    public async Task GetChatCompletionsAsync(string text,
+        Func<string> GetInstruction,
+        Func<List<RoleDialogModel>> GetChatHistory,
+        Func<string, Task> onChunkReceived,
+        Func<Task> onChunkCompleted)
+    {
+        var client = new OpenAIClient(new Uri(_settings.Endpoint), new AzureKeyCredential(_settings.ApiKey));
+        var chatCompletionsOptions = PrepareOptions(text, GetInstruction, GetChatHistory);
+
+        var response = await client.GetChatCompletionsStreamingAsync(_settings.DeploymentModel, chatCompletionsOptions);
+        using StreamingChatCompletions streaming = response.Value;
+
+        string content = "";
+        await foreach (var choice in streaming.GetChoicesStreaming())
+        {
+            await foreach (var message in choice.GetMessageStreaming())
+            {
+                if (message.Content == null)
+                    continue;
+                Console.Write(message.Content);
+                content += message.Content;
+                await onChunkReceived(message.Content);
+            }
+        }
+
+        Console.WriteLine();
+        await onChunkCompleted();
+    }
+
+    private ChatCompletionsOptions PrepareOptions(string text,
+        Func<string> GetInstruction,
+        Func<List<RoleDialogModel>> GetChatHistory)
+    {
+        var prompt = File.ReadAllText(_settings.InstructionFile);
+        var chatCompletionsOptions = new ChatCompletionsOptions()
+        {
+            Messages =
+            {
+                new ChatMessage(ChatRole.System, prompt)
+            }
+        };
+
+        return chatCompletionsOptions;
+    }
+}

src/Platforms/BotSharp.Platform.LlamaSharp/Handlers/ChatCompletionHandler.cs

@@ -1,7 +1,9 @@
 using BotSharp.Abstraction;
+using BotSharp.Abstraction.Models;
 using BotSharp.Platform.LlamaSharp;
 using LLama;
 using System;
+using System.Collections.Generic;
 using System.IO;
 using System.Text;
 using System.Threading.Tasks;
@@ -31,16 +33,21 @@ public class ChatCompletionHandler : IChatCompletionHandler
         _model.InitChatAntiprompt(new string[] { "User:" });
     }
 
-    public Task GetChatCompletionsAsync(string text, Func<string, bool, Task> onChunkReceived)
+    public async Task GetChatCompletionsAsync(string text,
+        Func<string> GetInstruction,
+        Func<List<RoleDialogModel>> GetChatHistory,
+        Func<string, Task> onChunkReceived,
+        Func<Task> onChunkCompleted)
     {
         string totalResponse = "";
         foreach (var response in _model.Chat(text, "", "UTF-8"))
         {
-            Console.WriteLine(response);
+            Console.Write(response);
             totalResponse += response;
-            onChunkReceived(response, false);
+            await onChunkReceived(response);
         }
-        onChunkReceived("", true);
-        return Task.CompletedTask;
+
+        Console.WriteLine();
+        await onChunkCompleted();
     }
 }

src/UiAdapters/ChatbotUI/ChatbotUiController.cs

@@ -59,22 +59,23 @@ public class ChatbotUiController : ControllerBase, IBotUiAdapter
         Response.Headers.Add(HeaderNames.Connection, "keep-alive");
         var outputStream = Response.Body;
 
-        await _platform.GetChatCompletionsAsync(input.Messages.Last().Content, async (content, end) =>
-        {
-            if (end)
+        await _platform.GetChatCompletionsAsync(input.Messages.Last().Content,
+            delegate
             {
-                if (content.Length > 0)
-                {
-                    await OnChunkReceived(outputStream, content);
-                }
-
-                await OnEventCompleted(outputStream);
-            }
-            else
+                return "";
+            }, 
+            delegate
+            {
+                return new List<RoleDialogModel>();
+            }, 
+            async content =>
             {
                 await OnChunkReceived(outputStream, content);
-            }
-        });
+            },
+            async () => 
+            {
+                await OnEventCompleted(outputStream);
+            });
     }
 
     private async Task OnChunkReceived(Stream outputStream, string content)

src/WebStarter/Program.cs

@@ -12,7 +12,8 @@ builder.Services.AddHttpContextAccessor();
 
 // Add BotSharp
 builder.Services.AddBotSharp();
-builder.Services.AddLlamaSharp(builder.Configuration);
+// builder.Services.AddLlamaSharp(builder.Configuration);
+builder.Services.AddAzureOpenAi(builder.Configuration);
 
 var app = builder.Build();
 

src/WebStarter/WebStarter.csproj

@@ -23,7 +23,9 @@
 
   <ItemGroup>
     <ProjectReference Include="..\Infrastructure\BotSharp.Core\BotSharp.Core.csproj" />
+    <ProjectReference Include="..\Platforms\BotSharp.Platform.AureAi\BotSharp.Platform.AzureAi.csproj" />
     <ProjectReference Include="..\Platforms\BotSharp.Platform.LlamaSharp\BotSharp.Platform.LlamaSharp.csproj" />
+    <ProjectReference Include="..\Platforms\BotSharp.Platform.OpenAi\BotSharp.Platform.OpenAi.csproj" />
     <ProjectReference Include="..\UiAdapters\ChatbotUI\ChatbotUI.csproj" />
   </ItemGroup>
 

src/WebStarter/appsettings.json

@@ -16,5 +16,12 @@
     "ModelPath": "C:\\Users\\haipi\\Downloads\\ggml-vic13b-q5_1.bin",
     "InstructionFile": "Prompts\\chat-with-bob.txt",
     "MaxContextLength": 512
+  },
+
+  "AzureAi": {
+    "ApiKey": "",
+    "Endpoint": "",
+    "InstructionFile": "Prompts\\chat-with-bob.txt",
+    "DeploymentModel": ""
   }
 }