335 lines
9.5 KiB
Go
335 lines
9.5 KiB
Go
package biz
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import (
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"ai_scheduler/internal/config"
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errors "ai_scheduler/internal/data/error"
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"ai_scheduler/internal/data/impl"
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"ai_scheduler/internal/data/model"
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"ai_scheduler/internal/entitys"
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"ai_scheduler/internal/pkg"
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"ai_scheduler/internal/pkg/utils_ollama"
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"ai_scheduler/internal/tools"
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"ai_scheduler/tmpl/dataTemp"
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"context"
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"encoding/json"
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"log"
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"github.com/tmc/langchaingo/llms"
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"github.com/gofiber/websocket/v2"
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"xorm.io/builder"
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)
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// AiRouterService 智能路由服务
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type AiRouterService struct {
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//aiClient entitys.AIClient
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toolManager *tools.Manager
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sessionImpl *impl.SessionImpl
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sysImpl *impl.SysImpl
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taskImpl *impl.TaskImpl
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hisImpl *impl.ChatImpl
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conf *config.Config
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utilAgent *utils_ollama.UtilOllama
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}
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// NewRouterService 创建路由服务
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func NewAiRouterBiz(
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//aiClient entitys.AIClient,
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toolManager *tools.Manager,
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sessionImpl *impl.SessionImpl,
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sysImpl *impl.SysImpl,
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taskImpl *impl.TaskImpl,
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hisImpl *impl.ChatImpl,
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conf *config.Config,
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utilAgent *utils_ollama.UtilOllama,
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) entitys.RouterService {
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return &AiRouterService{
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//aiClient: aiClient,
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toolManager: toolManager,
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sessionImpl: sessionImpl,
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conf: conf,
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sysImpl: sysImpl,
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hisImpl: hisImpl,
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taskImpl: taskImpl,
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utilAgent: utilAgent,
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}
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}
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// Route 执行智能路由
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func (r *AiRouterService) Route(ctx context.Context, req *entitys.ChatRequest) (*entitys.ChatResponse, error) {
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return nil, nil
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}
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// Route 执行智能路由
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func (r *AiRouterService) RouteWithSocket(c *websocket.Conn, req *entitys.ChatSockRequest) error {
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session := c.Headers("X-Session", "")
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if len(session) == 0 {
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return errors.SessionNotFound
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}
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auth := c.Headers("X-Authorization", "")
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if len(auth) == 0 {
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return errors.AuthNotFound
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}
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key := c.Headers("X-App-Key", "")
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if len(key) == 0 {
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return errors.KeyNotFound
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}
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sysInfo, err := r.getSysInfo(key)
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if err != nil {
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return errors.SysNotFound
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}
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history, err := r.getSessionChatHis(session)
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if err != nil {
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return errors.SystemError
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}
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task, err := r.getTasks(sysInfo.SysID)
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if err != nil {
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return errors.SystemError
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}
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toolDefinitions := r.registerTools(task)
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prompt := r.getPrompt(sysInfo, history, req.Text)
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msg, err := r.utilAgent.Llm.Call(context.TODO(), pkg.JsonStringIgonErr(prompt),
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llms.WithTools(toolDefinitions),
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llms.WithToolChoice(llms.FunctionCallBehaviorAuto),
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llms.WithJSONMode(),
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)
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c.WriteMessage(1, []byte(msg))
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// 构建消息
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//messages := []entitys.Message{
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// {
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// Role: "user",
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// Content: req.UserInput,
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// },
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//}
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//
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//// 第1次调用AI，获取用户意图
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//intentResponse, err := r.aiClient.Chat(ctx, messages, nil)
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//if err != nil {
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// return nil, fmt.Errorf("AI响应失败: %w", err)
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//}
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//
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//// 从AI响应中提取意图
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//intent := r.extractIntent(intentResponse)
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//if intent == "" {
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// return nil, fmt.Errorf("未识别到用户意图")
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//}
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//
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//switch intent {
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//case "order_diagnosis":
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// // 订单诊断意图
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// return r.handleOrderDiagnosis(ctx, req, messages)
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//case "knowledge_qa":
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// // 知识问答意图
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// return r.handleKnowledgeQA(ctx, req, messages)
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//default:
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// // 未知意图
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// return nil, fmt.Errorf("意图识别失败，请明确您的需求呢，我可以为您")
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//}
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//
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//// 获取工具定义
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//toolDefinitions := r.toolManager.GetToolDefinitions(constants.Caller(req.Caller))
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//
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//// 第2次调用AI，获取是否需要使用工具
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//response, err := r.aiClient.Chat(ctx, messages, toolDefinitions)
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//if err != nil {
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// return nil, fmt.Errorf("failed to chat with AI: %w", err)
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//}
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//
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//// 如果没有工具调用，直接返回
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//if len(response.ToolCalls) == 0 {
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// return response, nil
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//}
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//
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//// 执行工具调用
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//toolResults, err := r.toolManager.ExecuteToolCalls(ctx, response.ToolCalls)
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//if err != nil {
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// return nil, fmt.Errorf("failed to execute tools: %w", err)
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//}
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//
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//// 构建包含工具结果的消息
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//messages = append(messages, entitys.Message{
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// Role: "assistant",
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// Content: response.Message,
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//})
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//
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//// 添加工具调用结果
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//for _, toolResult := range toolResults {
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// toolResultStr, _ := json.Marshal(toolResult.Result)
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// messages = append(messages, entitys.Message{
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// Role: "tool",
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// Content: fmt.Sprintf("Tool %s result: %s", toolResult.Function.Name, string(toolResultStr)),
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// })
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//}
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//
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//// 第二次调用AI，生成最终回复
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//finalResponse, err := r.aiClient.Chat(ctx, messages, nil)
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//if err != nil {
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// return nil, fmt.Errorf("failed to generate final response: %w", err)
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//}
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//
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//// 合并工具调用信息到最终响应
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//finalResponse.ToolCalls = toolResults
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//
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//log.Printf("Router processed request: %s, used %d tools", req.UserInput, len(toolResults))
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//return finalResponse, nil
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return nil
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}
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func (r *AiRouterService) getSessionChatHis(sessionId string) (his []model.AiChatHi, err error) {
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cond := builder.NewCond()
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cond = cond.And(builder.Eq{"session_id": sessionId})
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_, err = r.hisImpl.GetListToStruct(&cond, &dataTemp.ReqPageBo{Limit: r.conf.Sys.SessionLen}, &his)
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return
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}
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func (r *AiRouterService) getSysInfo(appKey string) (sysInfo model.AiSy, err error) {
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cond := builder.NewCond()
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cond = cond.And(builder.Eq{"app_key": appKey})
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cond = cond.And(builder.IsNull{"delete_at"})
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cond = cond.And(builder.Eq{"status": 1})
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err = r.sysImpl.GetOneBySearchToStrut(&cond, &sysInfo)
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return
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}
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func (r *AiRouterService) getTasks(sysId int32) (tasks []model.AiTask, err error) {
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cond := builder.NewCond()
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cond = cond.And(builder.Eq{"sys_id": sysId})
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cond = cond.And(builder.IsNull{"delete_at"})
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cond = cond.And(builder.Eq{"status": 1})
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_, err = r.taskImpl.GetListToStruct(&cond, nil, &tasks)
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return
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}
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func (r *AiRouterService) registerTools(tasks []model.AiTask) []llms.Tool {
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taskPrompt := make([]llms.Tool, len(tasks))
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for k, task := range tasks {
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var taskConfig entitys.TaskConfig
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err := json.Unmarshal([]byte(task.Config), &taskConfig)
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if err != nil {
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continue
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}
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taskPrompt[k].Type = "function"
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taskPrompt[k].Function = &llms.FunctionDefinition{
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Name: task.Name,
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Description: task.Desc,
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Parameters: taskConfig.Param,
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}
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}
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return taskPrompt
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}
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func (r *AiRouterService) getPrompt(sysInfo model.AiSy, history []model.AiChatHi, reqInput string) []entitys.Message {
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var (
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prompt = make([]entitys.Message, 0)
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)
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prompt = append(prompt, entitys.Message{}, entitys.Message{
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Role: "system",
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Content: r.buildSystemPrompt(sysInfo.SysPrompt),
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}, entitys.Message{
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Role: "assistant",
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Content: pkg.JsonStringIgonErr(r.buildAssistant(history)),
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}, entitys.Message{
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Role: "user",
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Content: reqInput,
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})
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return prompt
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}
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// buildSystemPrompt 构建系统提示词
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func (r *AiRouterService) buildSystemPrompt(prompt string) string {
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if len(prompt) == 0 {
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prompt = "[system] 你是一个智能路由系统，核心职责是 **精准解析用户意图并路由至对应任务模块**\n[rule]\n1.返回以下格式的JSON：{ \"index\": \"工具索引index\", \"confidence\": 0.0-1.0,\"reasoning\": \"判断理由\"}\n2.严格返回字符串格式，禁用markdown格式返回\n3.只返回json字符串，不包含任何其他解释性文字\n4.当用户意图非常不清晰时使用，尝试进行追问具体希望查询内容"
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}
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return prompt
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}
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func (r *AiRouterService) buildAssistant(his []model.AiChatHi) (chatHis entitys.ChatHis) {
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for _, item := range his {
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if len(chatHis.SessionId) == 0 {
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chatHis.SessionId = item.SessionID
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}
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chatHis.Messages = append(chatHis.Messages, entitys.HisMessage{
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Role: item.Role,
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Content: item.Content,
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Timestamp: item.CreateAt.Format("2006-01-02 15:04:05"),
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})
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}
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chatHis.Context = entitys.HisContext{
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UserLanguage: "zh-CN",
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SystemMode: "technical_support",
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}
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return
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}
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// extractIntent 从AI响应中提取意图
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func (r *AiRouterService) extractIntent(response *entitys.ChatResponse) string {
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if response == nil || response.Message == "" {
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return ""
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}
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// 尝试解析JSON
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var intent struct {
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Intent string `json:"intent"`
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Confidence string `json:"confidence"`
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Reasoning string `json:"reasoning"`
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}
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err := json.Unmarshal([]byte(response.Message), &intent)
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if err != nil {
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log.Printf("Failed to parse intent JSON: %v", err)
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return ""
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}
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return intent.Intent
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}
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// handleOrderDiagnosis 处理订单诊断意图
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func (r *AiRouterService) handleOrderDiagnosis(ctx context.Context, req *entitys.ChatRequest, messages []entitys.Message) (*entitys.ChatResponse, error) {
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// 调用订单详情工具
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//orderDetailTool, ok := r.toolManager.GetTool("zltxOrderDetail")
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//if orderDetailTool == nil || !ok {
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// return nil, fmt.Errorf("order detail tool not found")
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//}
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//orderDetailTool.Execute(ctx, json.RawMessage{})
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//
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//// 获取相关工具定义
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//toolDefinitions := r.toolManager.GetToolDefinitions(constants.Caller(req.Caller))
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//
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//// 调用AI，获取是否需要使用工具
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//response, err := r.aiClient.Chat(ctx, messages, toolDefinitions)
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//if err != nil {
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// return nil, fmt.Errorf("failed to chat with AI: %w", err)
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//}
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//
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//// 如果没有工具调用，直接返回
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//if len(response.ToolCalls) == 0 {
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// return response, nil
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//}
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//
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//// 执行工具调用
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//toolResults, err := r.toolManager.ExecuteToolCalls(ctx, response.ToolCalls)
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//if err != nil {
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// return nil, fmt.Errorf("failed to execute tools: %w", err)
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//}
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return nil, nil
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}
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// handleKnowledgeQA 处理知识问答意图
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func (r *AiRouterService) handleKnowledgeQA(ctx context.Context, req *entitys.ChatRequest, messages []entitys.Message) (*entitys.ChatResponse, error) {
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return nil, nil
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}
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