272 lines
8.0 KiB
Go
272 lines
8.0 KiB
Go
package prompt
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import (
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"context"
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"encoding/json"
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"errors"
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"fmt"
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"prompts-core/service/session"
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"prompts-core/common/util"
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"prompts-core/consts/public"
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"prompts-core/dao"
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"prompts-core/model/dto"
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"prompts-core/model/entity"
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"prompts-core/service/gateway"
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"gitea.com/red-future/common/beans"
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"gitea.com/red-future/common/utils"
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"github.com/gogf/gf/v2/frame/g"
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"github.com/gogf/gf/v2/util/gconv"
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)
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// ComposeMessages 核心拼接提示词主流程
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func ComposeMessages(ctx context.Context, req *dto.ComposeMessagesReq) (*dto.ComposeMessagesRes, error) {
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// 1) 获取模型信息
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chatModel, aiModel, err := GetModelMessage(ctx, req)
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if err != nil {
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return nil, err
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}
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// 2) 校验用户表单
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if err = validateUserForm(req, aiModel); err != nil {
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return nil, err
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}
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return handleBuild(ctx, req, chatModel, aiModel)
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}
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// GetModelMessage 获取模型信息
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func GetModelMessage(ctx context.Context, req *dto.ComposeMessagesReq) (*gateway.AsynchModel, *gateway.AsynchModel, error) {
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userInfo, err := utils.GetUserInfo(ctx)
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if err != nil {
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return nil, nil, fmt.Errorf("获取用户信息失败: %w", err)
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}
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chatModel, err := gateway.GetModelConfig(ctx, &gateway.AsynchModel{
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SQLBaseDO: beans.SQLBaseDO{Creator: userInfo.UserName},
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IsChatModel: 1,
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})
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if err != nil || chatModel == nil {
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return nil, nil, errors.New("当前没有对话模型，请添加")
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}
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aiModel, err := gateway.GetModelConfig(ctx, &gateway.AsynchModel{
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SQLBaseDO: beans.SQLBaseDO{TenantId: userInfo.TenantId, Creator: userInfo.UserName},
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ModelName: req.ModelName,
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})
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if err != nil || aiModel == nil {
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return nil, nil, errors.New("需要构建的模型不存在")
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}
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return chatModel, aiModel, nil
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}
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// validateUserForm 校验用户表单
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func validateUserForm(req *dto.ComposeMessagesReq, model *gateway.AsynchModel) error {
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if len(req.UserForm) == 0 {
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return nil
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}
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isValid, exceedTokens, err := util.CheckUserFormWithinWindow(req.UserForm, model.TokenConfig)
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if err != nil {
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return fmt.Errorf("校验用户表单失败: %w", err)
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}
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if !isValid {
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availableWindow := util.GetAvailableWindow(model.TokenConfig)
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return fmt.Errorf("UserForm 内容超出窗口大小: 超出 %d tokens，可用窗口 %d tokens，请精简后重试",
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exceedTokens, availableWindow)
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}
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return nil
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}
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// handleBuild 通用构建处理
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func handleBuild(ctx context.Context, req *dto.ComposeMessagesReq, chatModel, aiModel *gateway.AsynchModel) (*dto.ComposeMessagesRes, error) {
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// 1) 处理表单分批
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processedReq, totalBatches, err := ProcessUserFormBatches(ctx, req, aiModel)
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if err != nil {
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return nil, fmt.Errorf("处理用户表单分批失败: %w", err)
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}
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// 2) 构建推理请求
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ir := NewPromptIR()
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var taskReq map[string]any
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switch req.BuildType {
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case public.BuildTypePrompt:
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taskReq, err = buildPromptTypeRequest(ctx, processedReq, aiModel, chatModel, ir, totalBatches)
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case public.BuildTypeNode:
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taskReq, err = buildNodeTypeRequest(ctx, req, chatModel, ir)
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case public.BuildTypeStruct:
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taskReq, err = buildStructTypeRequest(ctx, req, chatModel, ir)
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default:
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return nil, errors.New("不支持的构建类型")
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}
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if err != nil {
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return nil, fmt.Errorf("构建推理请求失败: %w", err)
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}
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// 3) 调用网关创建任务
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taskID, err := gateway.CreateGatewayTask(ctx, taskReq)
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if err != nil {
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return nil, fmt.Errorf("创建网关任务失败: %w", err)
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}
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if taskID == "" {
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return nil, errors.New("网关未返回taskId")
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}
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// 4) 保存任务记录
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if _, err = dao.ComposeTask.Insert(ctx, &entity.ComposeTask{
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TaskId: taskID,
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ModelName: req.ModelName,
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SkillName: req.SkillName,
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BuildType: req.BuildType,
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CallbackUrl: req.CallbackUrl,
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RequestPayload: util.MustMarshalToMap(req),
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Status: public.ComposeStatusPending,
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}); err != nil {
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return nil, err
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}
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return &dto.ComposeMessagesRes{TaskId: taskID}, nil
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}
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// Callback 回调处理
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func Callback(ctx context.Context, req *dto.CallbackReq) error {
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g.Log().Infof(ctx, "[开始回调处理] taskId=%s state=%d", req.TaskId, req.State)
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// 1) 查询任务
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composeTask, err := dao.ComposeTask.Get(ctx, &entity.ComposeTask{TaskId: req.TaskId})
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if err != nil {
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return fmt.Errorf("查询任务失败: %w", err)
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}
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// 2) 处理失败
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if req.State == 3 {
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return handleCallbackFailed(ctx, req, composeTask)
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}
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// 3) 处理成功
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if req.State == 2 {
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return handleCallbackSuccess(ctx, req, composeTask)
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}
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return nil
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}
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// handleCallbackFailed 处理回调失败
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func handleCallbackFailed(ctx context.Context, req *dto.CallbackReq, composeTask *entity.ComposeTask) error {
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_, err := dao.ComposeTask.Update(ctx, &entity.ComposeTask{
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TaskId: req.TaskId,
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Status: public.ComposeStatusFailed,
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ErrorMessage: req.ErrorMsg,
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GatewayState: req.State,
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OssFile: req.OssFile,
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FileType: req.FileType,
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ResultText: req.Messages,
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})
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if composeTask.CallbackUrl != "" {
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composeTask.Status = public.ComposeStatusFailed
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composeTask.ErrorMessage = req.ErrorMsg
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_ = gateway.SendCallback(ctx, composeTask, 0)
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}
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return err
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}
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// handleCallbackSuccess 处理回调成功
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func handleCallbackSuccess(ctx context.Context, req *dto.CallbackReq, composeTask *entity.ComposeTask) error {
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// 1) 获取模型配置
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model, err := gateway.GetModelConfig(ctx, &gateway.AsynchModel{
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SQLBaseDO: beans.SQLBaseDO{Creator: composeTask.Creator},
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ModelName: composeTask.ModelName,
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})
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if err != nil {
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return fmt.Errorf("查询模型失败: %w", err)
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}
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// 2) 合并附加结构
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messages := util.MergeConsult(composeTask.RequestPayload, req.Messages, model.ExtendMapping)
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// 3) 更新数据库
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_, err = dao.ComposeTask.Update(ctx, &entity.ComposeTask{
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TaskId: req.TaskId,
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Status: public.ComposeStatusSuccess,
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Messages: messages,
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GatewayState: req.State,
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OssFile: req.OssFile,
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FileType: req.FileType,
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ResultText: req.Messages,
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})
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if err != nil {
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return err
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}
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//var userHistoryMsg map[string]any
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var epicycleId int64
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payload := composeTask.RequestPayload
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sessionId := gconv.String(payload["sessionId"])
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nodeId := gconv.String(payload["nodeId"])
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buildType := gconv.Int(payload["buildType"])
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if buildType == public.BuildTypePrompt && sessionId != "" && nodeId != "" {
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// 4) 获取历史内容并拼接
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history, _ := session.GetHistoryMessages(ctx, sessionId, nodeId)
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for _, msg := range history {
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role := gconv.String(msg["role"])
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if role != "user" && role != "assistant" {
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continue
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}
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}
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// 5) 存储提示词结果作为历史请求
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if userMsg := util.ExtractUserText(messages); userMsg != nil {
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epicycleId, err = dao.ComposeSession.Insert(ctx, &entity.ComposeSession{
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NodeId: nodeId,
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SessionId: sessionId,
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RequestContent: userMsg,
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})
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}
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}
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// 6) 回调业务方
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if composeTask.CallbackUrl != "" {
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composeTask.Status = public.ComposeStatusSuccess
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composeTask.Messages = messages
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_ = gateway.SendCallback(ctx, composeTask, epicycleId)
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}
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return nil
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}
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// GetComposeTask 查询任务结果
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func GetComposeTask(ctx context.Context, taskID string) (*dto.GetComposeTaskRes, error) {
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record, err := dao.ComposeTask.Get(ctx, &entity.ComposeTask{
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TaskId: taskID,
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})
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if err != nil {
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return nil, fmt.Errorf("查询任务失败: %w", err)
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}
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if record == nil {
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return nil, fmt.Errorf("未找到任务(taskId=%s)", taskID)
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}
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messages := parseMessagesForResponse(record.Messages)
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return &dto.GetComposeTaskRes{
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TaskId: record.TaskId,
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Status: record.Status,
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ErrorMessage: record.ErrorMessage,
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Messages: messages,
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}, nil
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}
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// parseMessagesForResponse 解析用于响应的消息
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func parseMessagesForResponse(messages any) any {
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str, ok := messages.(string)
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if !ok || str == "" {
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return messages
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}
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var parsed any
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if err := json.Unmarshal([]byte(str), &parsed); err == nil {
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return parsed
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}
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return messages
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}
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func GetPromptText(ctx context.Context, req *dto.GetPromptTextReq) (*dto.GetPromptTextRes, error) {
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// 1) 获取基础数据
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// 4) 模拟历史拼接
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history, _ := session.GetHistoryMessages(ctx, "88888888", "node1")
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return &dto.GetPromptTextRes{
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Messages: history,
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}, nil
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}
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