321 lines
12 KiB
C#
321 lines
12 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Collections.ObjectModel;
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using System.ComponentModel;
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using System.Diagnostics;
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using System.Linq;
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using System.Text.RegularExpressions;
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using System.Threading;
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using System.Threading.Tasks;
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using System.Windows;
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using System.Windows.Controls;
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using CommunityToolkit.Mvvm.ComponentModel;
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using CommunityToolkit.Mvvm.Input;
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using CommunityToolkit.Mvvm.Messaging;
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//using LangChain.Chains.LLM;
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//using LangChain.Memory;
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//using LangChain.Prompts;
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using LangChain.Providers;
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using LangChain.Providers.DeepSeek;
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using LangChain.Providers.DeepSeek.Predefined;
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using LangChain.Providers.OpenAI.Predefined;
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using Markdig;
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using Markdig.Syntax;
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using Markdig.Wpf.ColorCode;
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using tryAGI.OpenAI;
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//using LangChain.Schema;
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//using static LangChain.Chains.Chain;
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namespace Szmedi.RvKits.RvScript;
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public partial class ChatDialogueViewModel : ObservableObject
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{
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public DeepSeekConfiguration Configuration { get; set; } = new DeepSeekConfiguration()
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{
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Endpoint = "https://api.deepseek.com",
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ChatSettings = new() { UseStreaming = true },
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};
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private ScrollViewer scrollViewer;
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/// <summary>
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/// 当前AI的回复
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/// </summary>
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[ObservableProperty]
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private Message? currentRespone = Message.Ai(string.Empty);
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[ObservableProperty]
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private bool isCoderModel = true;
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partial void OnIsCoderModelChanged(bool value)
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{
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NewSession();
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}
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[ObservableProperty]
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private string apiKey = Properties.Settings.Default.APIKey;
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partial void OnApiKeyChanged(string oldValue, string newValue)
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{
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if (!string.IsNullOrEmpty(newValue) && !string.IsNullOrWhiteSpace(newValue) && newValue.StartsWith("sk-"))
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{
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Properties.Settings.Default.APIKey = newValue;
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Properties.Settings.Default.Save();
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}
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}
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/// <summary>
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/// 发送给AI的消息，包括上下文记录
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/// </summary>
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private Message? CurrentRequest { get; set; } = Message.Empty;
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public ChatDialogueViewModel()
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{
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ChatHistory ??= new ObservableCollection<Message?>();
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}
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/// <summary>
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/// 用户输入
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/// </summary>
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[ObservableProperty]
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[NotifyCanExecuteChangedFor(nameof(SendCommand))]
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private string userInput;
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private bool CanSend()
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{
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return !string.IsNullOrEmpty(UserInput);
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}
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public MarkdownPipeline Pipeline { get; set; } = new MarkdownPipelineBuilder().UseAdvancedExtensions().UseColorCodeWpf().Build();
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/// <summary>
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/// 历史聊天记录
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/// </summary>
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public ObservableCollection<Message?> ChatHistory { get; set; }
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[RelayCommand(CanExecute = nameof(CanSend), IncludeCancelCommand = true)]
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private async Task SendAsync(object obj, CancellationToken cancellationToken)
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{
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if (string.IsNullOrEmpty(Configuration.ApiKey) || string.IsNullOrEmpty(ApiKey))
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{
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Configuration.ApiKey = "sk-3a3126167f1343228b1a5745bcd0bf01";
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}
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else
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{
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Configuration.ApiKey = Properties.Settings.Default.APIKey;
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}
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if (string.IsNullOrEmpty(Configuration.ApiKey))
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{
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var result = MessageBox.Show("请先设置APIKey，若无APIKey，前往DeepSeek官网获取？", "提示", MessageBoxButton.YesNo, MessageBoxImage.Information);
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if (result == MessageBoxResult.Yes)
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{
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Process.Start("https://platform.deepseek.com/");
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}
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return;
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}
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try
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{
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if (obj is not ScrollViewer scroll)
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{
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return;
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}
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scrollViewer = scroll;
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//UserInput.Content=string.Empty;
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#region Full
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// //var llm = new OpenAiLatestFastChatModel(provider);
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// var deepseekLLM = new DeepSeekChatModel(new DeepSeekProvider(config));
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// //var embeddingModel = new TextEmbeddingV3SmallModel(provider);
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// var prompt = new PromptTemplate(new PromptTemplateInput(
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//template: "Revit二次开发中，使用变量doc和uidoc两个变量，构造一个保证可以执行的C#代码块，添加相应注释，不需要方法签名和using命名空间，但使用时需要完整的命名空间。实现{需求}的功能", inputVariables: ["需求"]));
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// var chain = new LlmChain(new LlmChainInput(deepseekLLM, prompt));
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// var result = await chain.CallAsync(new ChainValues(new Dictionary<string, object>
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// {
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// { "需求", UserInput}
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// })).ConfigureAwait(true);
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// // The result is an object with a `text` property.
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// Respones = result.Value["text"].ToString();
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#endregion
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if (IsCoderModel)
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{
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if (ChatHistory.Count == 0)
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{
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CurrentRequest += Message.Human($"你是专业的Revit二次开发工程师，不随意捏造事实，能客观地回答用户的问题，对于不确定或难以理解的问题，需要用户补充说明的，需要主动提出。你需要在{GlobalVariables.UIApplication.Application.VersionName}二次开发中，使用已定义的uidoc、doc两个变量，构造一个可以正确执行的C#代码块，保证使用的RevitAPI的所有方法都能在{GlobalVariables.UIApplication.Application.VersionName}版本的API文档中找到，在代码中添加关键的注释，不需要Excute方法签名和using命名空间，使用类声明对象时，需要完整的命名空间。需求是：{UserInput}");
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ChatHistory.Add(CurrentRequest);
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}
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else
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{
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ChatHistory.Add(Message.Human(UserInput));
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CurrentRequest += Message.Human(UserInput);
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}
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UserInput = string.Empty;
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var DeepseekCoder = new DeepSeekCoderModel(new DeepSeekProvider(Configuration));
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DeepseekCoder.ResponseReceived += DeepseekLLM_ResponseReceived;
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DeepseekCoder.DeltaReceived += DeepseekLLM_DeltaReceived;
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DeepseekCoder.RequestSent += DeepseekLLM_RequestSent;
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/*var result = */
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await DeepseekCoder.GenerateAsync(CurrentRequest, cancellationToken: cancellationToken);
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}
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else
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{
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ChatHistory.Add(Message.Human(UserInput));
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DeepSeekChatModel DeepseekLLM = new DeepSeekChatModel(new DeepSeekProvider(Configuration));
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DeepseekLLM.ResponseReceived += DeepseekLLM_ResponseReceived;
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DeepseekLLM.DeltaReceived += DeepseekLLM_DeltaReceived;
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DeepseekLLM.RequestSent += DeepseekLLM_RequestSent;
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CurrentRequest += Message.Human(UserInput);
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UserInput = string.Empty;
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/*var result = */
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await DeepseekLLM.GenerateAsync(CurrentRequest, cancellationToken: cancellationToken);
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}
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// Since the LLMChain is a single-input, single-output chain, we can also call it with `run`.
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// This takes in a string and returns the `text` property.
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//var result2 = await chain.RunAsync("彩色长筒靴");
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//Console.WriteLine(result2);
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// var chatPrompt = ChatPromptTemplate.FromPromptMessages([
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// SystemMessagePromptTemplate.FromTemplate(
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// "You are a helpful assistant that translates {input_language} to {output_language}."),
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// HumanMessagePromptTemplate.FromTemplate("{text}")
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// ]);
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// var chainB = new LlmChain(new LlmChainInput(deepseekLLM, chatPrompt)
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// {
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// Verbose = true
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// });
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// var resultB = await chainB.CallAsync(new ChainValues(new Dictionary<string, object>(3)
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//{
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// {"input_language", "English"},
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// {"output_language", "French"},
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// {"text", "I love programming"},
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//}));
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// Console.WriteLine(resultB.Value["text"]);
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}
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catch (OperationCanceledException)
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{
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}
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catch (Exception ex)
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{
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MessageBox.Show(ex.Message);
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}
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}
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private void DeepseekLLM_RequestSent(object sender, ChatRequest e)
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{
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Debug.WriteLine("-------------RequestSent-------------");
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//Debug.WriteLine($"发送者{sender}");
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//scrollViewer.Dispatcher.Invoke(() =>
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//{
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// ChatHistory.Add(CurrentRespone);
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//});
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}
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//接收完毕
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private void DeepseekLLM_ResponseReceived(object sender, ChatResponse e)
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{
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Debug.WriteLine("-------------ResponseReceived-------------");
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scrollViewer.Dispatcher.Invoke(() =>
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{
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//Debug.WriteLine($"发送者:{sender};使用量:{e.Usage}");
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CurrentRequest += e.LastMessage;
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var code = GetCode(e.LastMessage.ToString());
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if (!string.IsNullOrEmpty(code))
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{
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WeakReferenceMessenger.Default.Send(code, "RunScript");
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}
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CurrentRespone = Message.Ai(string.Empty);
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Debug.WriteLine($"当前回复：{CurrentRespone}");
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//最后一条完整的消息
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//Debug.WriteLine($"{ChatHistory}");
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//ChatHistory.Add(e.LastMessage);
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//Respones.Content += e.Content;
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});
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}
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private string GetCode(string markdownText)
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{
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//var pipeline = new MarkdownPipelineBuilder().UseAdvancedExtensions().Build();
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//var RenderedMarkdown = Markdown.ToPlainText(markdownText, pipeline);
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// 提取代码块（假设是 C# 代码）
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var match = Regex.Match(markdownText, @"```csharp\s([\s\S]*?)\s```", RegexOptions.Multiline);
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if (match.Success)
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{
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return match.Groups[1].Value;
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}
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return string.Empty;
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//if (match.Success)
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//{
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// WeakReferenceMessenger.Default.Send(match.Groups[1].Value.Trim(), "RunScript");
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//}
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}
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//partial void OnCurrentResponeChanged(Message? value)
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//{
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//}
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//接收Delta
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private void DeepseekLLM_DeltaReceived(object sender, ChatResponseDelta e)
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{
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Debug.WriteLine("-------------DeltaReceived-------------");
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if (string.IsNullOrEmpty(e.Content))
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{
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return;
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}
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scrollViewer.Dispatcher.Invoke(() =>
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{
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if (ChatHistory.Contains(CurrentRespone))
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{
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Debug.WriteLine($"包含CurrentRespone对象");
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ChatHistory.Remove(CurrentRespone);
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}
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Debug.WriteLine($"当前回复块：{e.Content}");
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CurrentRespone += Message.Ai(e.Content);
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if (!ChatHistory.Contains(CurrentRespone))
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{
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ChatHistory.Add(CurrentRespone);
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}
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//判断滚动条是否在底部
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if (scrollViewer.VerticalOffset == scrollViewer.ExtentHeight - scrollViewer.ViewportHeight)
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{
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scrollViewer?.ScrollToEnd();
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}
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//ChatHistory.
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//Respones.Content += e.Content;
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});
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}
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[RelayCommand]
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private void NewSession()
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{
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ChatHistory?.Clear();
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CurrentRequest = Message.Empty;
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CurrentRespone = Message.Ai(string.Empty);
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}
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//[RelayCommand]
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//private void SendCode()
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//{
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// ChatHistory?.Clear();
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// CurrentRequest = Message.Empty;
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//}
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} |