ai-agent/workflow/service/node/node_library_service.go

package node

import (
	"ai-agent/workflow/consts/node"
	nodeDto "ai-agent/workflow/model/dto/node"
	"context"
	"fmt"

	"gitea.com/red-future/common/beans"
	"github.com/gogf/gf/v2/encoding/gjson"
	"github.com/gogf/gf/v2/frame/g"
)

var NodeLibraryService = &nodeLibraryService{}

type nodeLibraryService struct{}

func (s *nodeLibraryService) GetNodeLibrary(ctx context.Context, req *nodeDto.WorkflowNodeTreeReq) (*nodeDto.WorkflowNodeTreeRes, error) {

	WorkflowNodeGroups := []node.NodeGroupItem{
		{
			Group: node.NodeGroupComponent,
			Label: node.NodeGroupNameComponent,
			Items: []node.NodeItem{
				{
					NodeCode:    node.NodeTypeTextModel,
					NodeName:    node.NodeNameTextModel,
					ModelType:   node.ModelTypeText,
					SkillOption: true,
					FormConfig:  []node.NodeFormField{}, // 技能下拉
					ModelConfig: []node.ModelItem{},
				},
				{
					NodeCode:    node.NodeTypeImageModel,
					NodeName:    node.NodeNameImageModel,
					ModelType:   node.ModelTypeImage,
					SkillOption: true,
					FormConfig:  []node.NodeFormField{}, // 技能下拉
					ModelConfig: []node.ModelItem{},
				},
			},
		},
		{
			Group: node.NodeGroupBase,
			Label: node.NodeGroupNameBase,
			Items: []node.NodeItem{
				{
					NodeCode:    node.NodeTypeMerge,
					NodeName:    node.NodeNameMerge,
					SkillOption: false,
					FormConfig:  []node.NodeFormField{},
					ModelConfig: []node.ModelItem{},
				},
				{
					NodeCode:    node.NodeTypeJudge,
					NodeName:    node.NodeNameJudge,
					SkillOption: false,
					FormConfig: []node.NodeFormField{
						{Field: "condition", Label: node.FormLabelCondition, Type: "input", Required: true},
					},
					ModelConfig: []node.ModelItem{},
				},
				{
					NodeCode:    node.NodeTypeForm,
					NodeName:    node.NodeNameForm,
					SkillOption: false,
					FormConfig:  []node.NodeFormField{},
					ModelConfig: []node.ModelItem{},
				},
				//{
				//	NodeCode:    node.NodeTypeModel,
				//	NodeName:    node.NodeNameModel,
				//	SkillOption: true,
				//	FormConfig:  []node.NodeFormField{},
				//	ModelConfig: []node.ModelItem{},
				//},
			},
		},
		{
			Group: node.NodeGroupCustom,
			Label: node.NodeGroupNameCustom,
			Items: []node.NodeItem{
				{
					NodeCode:    node.NodeTypeCustomNode,
					NodeName:    node.NodeNameCustomNode,
					SkillOption: true,
					FormConfig: []node.NodeFormField{
						{Field: "nodeName", Label: node.FormLabelApiKey, Type: "input", Required: true},
						{Field: "nodeType", Label: node.FormLabelModel, Type: "input", Required: true},
					},
					ModelConfig: []node.ModelItem{},
				},
			},
		},
	}
	tree := &nodeDto.WorkflowNodeTreeRes{
		Groups: WorkflowNodeGroups,
	}

	// 3. 遍历分组，根据 typeId=1 给【文本模型节点】追加固定表单
	for gIdx := range tree.Groups {
		group := &tree.Groups[gIdx]

		// 遍历分组下的每个节点
		for itemIdx := range group.Items {
			item := &group.Items[itemIdx]
			if item.NodeCode == node.NodeTypeTextModel {
				item.ModelConfig = append(item.ModelConfig, node.ModelItem{
					ModelName: "自定义",
				})
			}
			if item.NodeCode == node.NodeTypeImageModel {
				item.ModelConfig = append(item.ModelConfig, node.ModelItem{
					ModelName: "自定义",
				})
			}

		}
	}

	return tree, nil
}

// SetUserInfo 设置用户信息
func (s *nodeLibraryService) SetUserInfo(ctx context.Context, creator string, tenantId uint64) (headers map[string]string, err error) {
	// 创建完整的用户信息
	userInfo := &beans.User{
		UserName: creator,
		TenantId: tenantId,
	}
	ctx = context.WithValue(ctx, "user", *userInfo)
	// 提取并保存请求头（在连接升级前）
	headers = make(map[string]string)
	// 提取其他headers
	if r := g.RequestFromCtx(ctx); r != nil {
		for k, v := range r.Request.Header {
			if len(v) > 0 {
				headers[k] = v[0]
			}
		}
	}
	// 将完整用户信息序列化为JSON，放到X-User-Info请求头
	userInfoJson, err := gjson.Encode(userInfo)
	if err != nil {
		return nil, fmt.Errorf("用户信息序列化失败: %w", err)
	}
	headers["X-User-Info"] = string(userInfoJson)
	return
}