Update IConversationCompletionHook.

src/Infrastructure/BotSharp.Abstraction/Conversations/ConversationCompletionHookBase.cs

@@ -0,0 +1,23 @@
+using BotSharp.Abstraction.Conversations.Models;
+
+namespace BotSharp.Abstraction.Conversations;
+
+public abstract class ConversationCompletionHookBase
+{
+    protected Agent _agent;
+    public Agent Agent => _agent;
+
+    protected Conversation _conversation;
+    public Conversation Conversation => _conversation;
+
+    protected List<RoleDialogModel> _dialogs;
+    public List<RoleDialogModel> Dialogs => _dialogs;
+
+    public IConversationCompletionHook SetContexts(Agent agent, Conversation conversation, List<RoleDialogModel> dialogs)
+    {
+        _agent = agent;
+        _conversation = conversation;
+        _dialogs = dialogs;
+        return this as IConversationCompletionHook;
+    }
+}

src/Infrastructure/BotSharp.Abstraction/Conversations/IConversationCompletionHook.cs

@@ -4,6 +4,10 @@ namespace BotSharp.Abstraction.Conversations;
 
 public interface IConversationCompletionHook
 {
-    Task BeforeCompletion(Agent agent, List<RoleDialogModel> conversations);
-    Task<string> AfterCompletion(Agent agent, string response);
+    Agent Agent { get; }
+    Conversation Conversation { get; }
+    List<RoleDialogModel> Dialogs { get; }
+    IConversationCompletionHook SetContexts(Agent agent, Conversation conversation, List<RoleDialogModel> dialogs);
+    Task BeforeCompletion();
+    Task<string> AfterCompletion(string response);
 }

src/Infrastructure/BotSharp.Abstraction/Conversations/IConversationService.cs

@@ -5,6 +5,7 @@ namespace BotSharp.Abstraction.Conversations;
 public interface IConversationService
 {
     Task<Conversation> NewConversation(Conversation conversation);
+    Task<Conversation> GetConversation(string id);
     Task<List<Conversation>> GetConversations();
     Task DeleteConversation(string id);
     Task<string> SendMessage(string agentId, string conversationId, RoleDialogModel lastDalog);

src/Infrastructure/BotSharp.Core/Conversations/Services/ConversationService.cs

@@ -28,6 +28,16 @@ public class ConversationService : IConversationService
         throw new NotImplementedException();
     }
 
+    public async Task<Conversation> GetConversation(string id)
+    {
+        var db = _services.GetRequiredService<AgentDbContext>();
+        var query = from sess in db.Conversation
+                    where sess.Id == id
+                    orderby sess.CreatedTime descending
+                    select sess.ToConversation();
+        return query.FirstOrDefault();
+    }
+
     public async Task<List<Conversation>> GetConversations()
     {
         var db = _services.GetRequiredService<AgentDbContext>();
@@ -77,6 +87,7 @@ public class ConversationService : IConversationService
     public async Task<string> SendMessage(string agentId, string conversationId, List<RoleDialogModel> wholeDialogs)
     {
         var agent = await _services.GetRequiredService<IAgentService>().GetAgent(agentId);
+        var converation = await GetConversation(conversationId);
 
         // Get relevant domain knowledge
         if (_settings.EnableKnowledgeBase)
@@ -94,14 +105,18 @@ public class ConversationService : IConversationService
         // Before chat completion hook
         var hooks = _services.GetServices<IConversationCompletionHook>().ToList();
 
-        hooks.ForEach(hook => hook.BeforeCompletion(agent, wholeDialogs));
+        hooks.ForEach(hook =>
+        {
+            hook.SetContexts(agent, converation, wholeDialogs)
+                .BeforeCompletion();
+        });
         
         var response = await chatCompletion.GetChatCompletionsAsync(agent, wholeDialogs);
 
         // After chat completion hook
         hooks.ForEach(async hook =>
         {
-            response = await hook.AfterCompletion(agent, response);
+            response = await hook.AfterCompletion(response);
         });
 
         return response;

src/Plugins/BotSharp.Plugin.AzureOpenAI/Providers/ChatCompletionProvider.cs

@@ -51,11 +51,11 @@ public class ChatCompletionProvider : IChatCompletion
         if (!string.IsNullOrEmpty(sampleText))
         {
             var lines = sampleText.Split('\n');
-            for (int i = 0; i < lines.Length; i++)
+            for (int i = 0; i < lines.Length; i += 3)
             {
                 var line = lines[i];
-                var role = line.Substring(0, line.IndexOf(' ') - 1);
-                var content = line.Substring(line.IndexOf(' ') + 1);
+                var role = line.Substring(0, line.IndexOf(' ') - 1).Trim();
+                var content = line.Substring(line.IndexOf(' ') + 1).Trim();
 
                 samples.Add(new RoleDialogModel
                 {

src/Plugins/BotSharp.Plugin.ChatbotUI/ChatbotUiController.cs

@@ -59,7 +59,7 @@ public class ChatbotUiController : ControllerBase, IApiAdapter
         Response.Headers.Add(HeaderNames.Connection, "keep-alive");
         var outputStream = Response.Body;
 
-        var conversations = input.Messages.Skip(1).Select(x => new RoleDialogModel
+        var conversations = input.Messages.Select(x => new RoleDialogModel
         {
             Role = x.Role,
             Text = x.Content
@@ -67,7 +67,15 @@ public class ChatbotUiController : ControllerBase, IApiAdapter
 
         var conv = _services.GetRequiredService<IConversationService>();
 
-        var result = await conv.SendMessage("", "", conversations.Last());
+        // Check if this conversation exists
+        var converation = await conv.GetConversation(input.ConversationId);
+        var sess = new Conversation
+        {
+            AgentId = input.AgentId
+        };
+        sess = await conv.NewConversation(sess);
+
+        var result = await conv.SendMessage(input.AgentId, input.ConversationId, conversations);
 
         await OnChunkReceived(outputStream, result);
         await OnEventCompleted(outputStream);

src/Plugins/BotSharp.Plugin.ChatbotUI/ViewModels/OpenAiMessageInput.cs

@@ -6,11 +6,14 @@ namespace BotSharp.Plugin.ChatbotUI.ViewModels;
 
 public class OpenAiMessageInput
 {
+    public string AgentId { get; set; }
+    public string ConversationId { get; set; }
     public string Model { get; set; } = string.Empty;
     public List<OpenAiMessageBody> Messages { get; set; } = new List<OpenAiMessageBody>();
     [JsonPropertyName("max_tokens")]
     public int MaxTokens { get; set; } = 4000;
     public bool Stream { get; set; } = true;
+    public string? SystemPrompt { get; set; }
     public float Temperature { get; set; } = 0.9f;
 
     public override string ToString()