332 lines
10 KiB
Go
332 lines
10 KiB
Go
/*
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* Copyright 2025 coze-dev Authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package compose
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import (
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"context"
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"fmt"
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"slices"
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"strconv"
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einoCompose "github.com/cloudwego/eino/compose"
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"github.com/cloudwego/eino/schema"
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"github.com/coze-dev/coze-studio/backend/api/model/crossdomain/plugin"
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model "github.com/coze-dev/coze-studio/backend/api/model/crossdomain/workflow"
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crossplugin "github.com/coze-dev/coze-studio/backend/crossdomain/contract/plugin"
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workflow2 "github.com/coze-dev/coze-studio/backend/domain/workflow"
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"github.com/coze-dev/coze-studio/backend/domain/workflow/entity"
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"github.com/coze-dev/coze-studio/backend/domain/workflow/entity/vo"
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"github.com/coze-dev/coze-studio/backend/domain/workflow/internal/execute"
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"github.com/coze-dev/coze-studio/backend/domain/workflow/internal/nodes"
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"github.com/coze-dev/coze-studio/backend/domain/workflow/internal/nodes/exit"
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"github.com/coze-dev/coze-studio/backend/domain/workflow/internal/nodes/llm"
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schema2 "github.com/coze-dev/coze-studio/backend/domain/workflow/internal/schema"
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"github.com/coze-dev/coze-studio/backend/pkg/lang/ptr"
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)
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func (r *WorkflowRunner) designateOptions(ctx context.Context) (context.Context, []einoCompose.Option, error) {
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var (
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wb = r.basic
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exeCfg = r.config
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executeID = r.executeID
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workflowSC = r.schema
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eventChan = r.eventChan
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resumedEvent = r.interruptEvent
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sw = r.streamWriter
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)
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if wb.AppID != nil && exeCfg.AppID == nil {
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exeCfg.AppID = wb.AppID
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}
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rootHandler := execute.NewRootWorkflowHandler(
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wb,
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executeID,
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workflowSC.RequireCheckpoint(),
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eventChan,
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resumedEvent,
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exeCfg,
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workflowSC.NodeCount())
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opts := []einoCompose.Option{einoCompose.WithCallbacks(rootHandler)}
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for key := range workflowSC.GetAllNodes() {
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ns := workflowSC.GetAllNodes()[key]
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var nodeOpt einoCompose.Option
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if ns.Type == entity.NodeTypeExit {
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nodeOpt = nodeCallbackOption(key, ns.Name, eventChan, resumedEvent,
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ptr.Of(ns.Configs.(*exit.Config).TerminatePlan))
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} else if ns.Type != entity.NodeTypeLambda {
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nodeOpt = nodeCallbackOption(key, ns.Name, eventChan, resumedEvent, nil)
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}
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if parent, ok := workflowSC.Hierarchy[key]; !ok { // top level nodes, just add the node handler
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opts = append(opts, nodeOpt)
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if ns.Type == entity.NodeTypeSubWorkflow {
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subOpts, err := r.designateOptionsForSubWorkflow(ctx,
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rootHandler.(*execute.WorkflowHandler),
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ns,
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string(key))
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if err != nil {
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return ctx, nil, err
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}
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opts = append(opts, subOpts...)
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} else if ns.Type == entity.NodeTypeLLM {
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llmNodeOpts, err := llmToolCallbackOptions(ctx, ns, eventChan, sw)
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if err != nil {
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return ctx, nil, err
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}
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opts = append(opts, llmNodeOpts...)
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}
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} else {
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parent := workflowSC.GetAllNodes()[parent]
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opts = append(opts, WrapOpt(nodeOpt, parent.Key))
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if ns.Type == entity.NodeTypeSubWorkflow {
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subOpts, err := r.designateOptionsForSubWorkflow(ctx,
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rootHandler.(*execute.WorkflowHandler),
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ns,
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string(key))
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if err != nil {
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return ctx, nil, err
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}
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for _, subO := range subOpts {
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opts = append(opts, WrapOpt(subO, parent.Key))
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}
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} else if ns.Type == entity.NodeTypeLLM {
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llmNodeOpts, err := llmToolCallbackOptions(ctx, ns, eventChan, sw)
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if err != nil {
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return ctx, nil, err
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}
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for _, subO := range llmNodeOpts {
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opts = append(opts, WrapOpt(subO, parent.Key))
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}
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}
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}
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}
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if workflowSC.RequireCheckpoint() {
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opts = append(opts, einoCompose.WithCheckPointID(strconv.FormatInt(executeID, 10)))
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}
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return ctx, opts, nil
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}
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func nodeCallbackOption(key vo.NodeKey, name string, eventChan chan *execute.Event, resumeEvent *entity.InterruptEvent,
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terminatePlan *vo.TerminatePlan) einoCompose.Option {
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return einoCompose.WithCallbacks(execute.NewNodeHandler(string(key), name, eventChan, resumeEvent, terminatePlan)).DesignateNode(string(key))
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}
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func WrapOpt(opt einoCompose.Option, parentNodeKey vo.NodeKey) einoCompose.Option {
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return einoCompose.WithLambdaOption(nodes.WithOptsForNested(opt)).DesignateNode(string(parentNodeKey))
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}
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func WrapOptWithIndex(opt einoCompose.Option, parentNodeKey vo.NodeKey, index int) einoCompose.Option {
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return einoCompose.WithLambdaOption(nodes.WithOptsForIndexed(index, opt)).DesignateNode(string(parentNodeKey))
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}
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func (r *WorkflowRunner) designateOptionsForSubWorkflow(ctx context.Context,
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parentHandler *execute.WorkflowHandler,
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ns *schema2.NodeSchema,
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pathPrefix ...string) (opts []einoCompose.Option, err error) {
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var (
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resumeEvent = r.interruptEvent
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eventChan = r.eventChan
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sw = r.streamWriter
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)
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subHandler := execute.NewSubWorkflowHandler(
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parentHandler,
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ns.SubWorkflowBasic,
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resumeEvent,
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ns.SubWorkflowSchema.NodeCount(),
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)
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opts = append(opts, WrapOpt(einoCompose.WithCallbacks(subHandler), ns.Key))
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workflowSC := ns.SubWorkflowSchema
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for key := range workflowSC.GetAllNodes() {
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subNS := workflowSC.GetAllNodes()[key]
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fullPath := append(slices.Clone(pathPrefix), string(subNS.Key))
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var nodeOpt einoCompose.Option
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if subNS.Type == entity.NodeTypeExit {
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nodeOpt = nodeCallbackOption(key, subNS.Name, eventChan, resumeEvent,
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ptr.Of(subNS.Configs.(*exit.Config).TerminatePlan))
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} else {
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nodeOpt = nodeCallbackOption(key, subNS.Name, eventChan, resumeEvent, nil)
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}
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if parent, ok := workflowSC.Hierarchy[key]; !ok { // top level nodes, just add the node handler
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opts = append(opts, WrapOpt(nodeOpt, ns.Key))
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if subNS.Type == entity.NodeTypeSubWorkflow {
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subOpts, err := r.designateOptionsForSubWorkflow(ctx,
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subHandler.(*execute.WorkflowHandler),
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subNS,
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fullPath...)
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if err != nil {
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return nil, err
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}
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for _, subO := range subOpts {
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opts = append(opts, WrapOpt(subO, ns.Key))
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}
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} else if subNS.Type == entity.NodeTypeLLM {
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llmNodeOpts, err := llmToolCallbackOptions(ctx, subNS, eventChan, sw)
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if err != nil {
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return nil, err
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}
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for _, subO := range llmNodeOpts {
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opts = append(opts, WrapOpt(subO, ns.Key))
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}
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}
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} else {
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parent := workflowSC.GetAllNodes()[parent]
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opts = append(opts, WrapOpt(WrapOpt(nodeOpt, parent.Key), ns.Key))
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if subNS.Type == entity.NodeTypeSubWorkflow {
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subOpts, err := r.designateOptionsForSubWorkflow(ctx,
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subHandler.(*execute.WorkflowHandler),
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subNS,
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fullPath...)
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if err != nil {
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return nil, err
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}
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for _, subO := range subOpts {
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opts = append(opts, WrapOpt(WrapOpt(subO, parent.Key), ns.Key))
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}
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} else if subNS.Type == entity.NodeTypeLLM {
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llmNodeOpts, err := llmToolCallbackOptions(ctx, subNS, eventChan, sw)
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if err != nil {
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return nil, err
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}
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for _, subO := range llmNodeOpts {
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opts = append(opts, WrapOpt(WrapOpt(subO, parent.Key), ns.Key))
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}
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}
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}
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}
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return opts, nil
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}
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func llmToolCallbackOptions(ctx context.Context, ns *schema2.NodeSchema, eventChan chan *execute.Event,
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sw *schema.StreamWriter[*entity.Message]) (
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opts []einoCompose.Option, err error) {
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// this is a LLM node.
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// check if it has any tools, if no tools, then no callback options needed
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// for each tool, extract the entity.FunctionInfo, create the ToolHandler, and add the callback option
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if ns.Type != entity.NodeTypeLLM {
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panic("impossible: llmToolCallbackOptions is called on a non-LLM node")
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}
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cfg := ns.Configs.(*llm.Config)
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fcParams := cfg.FCParam
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if fcParams != nil {
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if fcParams.WorkflowFCParam != nil {
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// TODO: try to avoid getting the workflow tool all over again
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for _, wf := range fcParams.WorkflowFCParam.WorkflowList {
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wfIDStr := wf.WorkflowID
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wfID, err := strconv.ParseInt(wfIDStr, 10, 64)
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if err != nil {
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return nil, fmt.Errorf("invalid workflow id: %s", wfIDStr)
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}
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locator := model.FromDraft
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if wf.WorkflowVersion != "" {
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locator = model.FromSpecificVersion
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}
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wfTool, err := workflow2.GetRepository().WorkflowAsTool(ctx, vo.GetPolicy{
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ID: wfID,
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QType: locator,
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Version: wf.WorkflowVersion,
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}, vo.WorkflowToolConfig{})
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if err != nil {
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return nil, err
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}
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tInfo, err := wfTool.Info(ctx)
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if err != nil {
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return nil, err
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}
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funcInfo := entity.FunctionInfo{
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Name: tInfo.Name,
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Type: entity.WorkflowTool,
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WorkflowName: wfTool.GetWorkflow().Name,
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WorkflowTerminatePlan: wfTool.TerminatePlan(),
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APIID: wfID,
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APIName: wfTool.GetWorkflow().Name,
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PluginID: wfID,
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PluginName: wfTool.GetWorkflow().Name,
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}
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toolHandler := execute.NewToolHandler(eventChan, funcInfo)
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opt := einoCompose.WithCallbacks(toolHandler)
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opt = einoCompose.WithLambdaOption(nodes.WithOptsForNested(opt)).DesignateNode(string(ns.Key))
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opts = append(opts, opt)
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}
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}
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if fcParams.PluginFCParam != nil {
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for _, p := range fcParams.PluginFCParam.PluginList {
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toolID, err := strconv.ParseInt(p.ApiId, 10, 64)
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if err != nil {
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return nil, err
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}
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pluginID, err := strconv.ParseInt(p.PluginID, 10, 64)
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if err != nil {
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return nil, err
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}
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toolInfoResponse, err := crossplugin.DefaultSVC().GetPluginToolsInfo(ctx, &plugin.ToolsInfoRequest{
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PluginEntity: plugin.PluginEntity{
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PluginID: pluginID,
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PluginVersion: ptr.Of(p.PluginVersion),
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},
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ToolIDs: []int64{toolID},
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})
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if err != nil {
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return nil, err
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}
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funcInfo := entity.FunctionInfo{
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Name: toolInfoResponse.ToolInfoList[toolID].ToolName,
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Type: entity.PluginTool,
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PluginID: pluginID,
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PluginName: toolInfoResponse.PluginName,
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APIID: toolID,
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APIName: p.ApiName,
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}
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toolHandler := execute.NewToolHandler(eventChan, funcInfo)
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opt := einoCompose.WithCallbacks(toolHandler)
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opt = einoCompose.WithLambdaOption(nodes.WithOptsForNested(opt)).DesignateNode(string(ns.Key))
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opts = append(opts, opt)
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}
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}
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}
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if sw != nil {
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toolMsgOpt := llm.WithToolWorkflowMessageWriter(sw)
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opt := einoCompose.WithLambdaOption(toolMsgOpt).DesignateNode(string(ns.Key))
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opts = append(opts, opt)
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}
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return opts, nil
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}
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