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143 lines
3.2 KiB
Go
143 lines
3.2 KiB
Go
/*
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* Copyright 2025 CloudWeGo 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 main
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import (
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"context"
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"errors"
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"fmt"
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"github.com/cloudwego/eino/adk"
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"github.com/cloudwego/eino/schema"
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)
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type ReviewAgent struct {
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AgentName string
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AgentDesc string
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}
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func (r ReviewAgent) Name(ctx context.Context) string {
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return r.AgentName
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}
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func (r ReviewAgent) Description(ctx context.Context) string {
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return r.AgentDesc
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}
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type FeedbackInfo struct {
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OriginalContent string
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Feedback *string
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NoNeedToEdit bool
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}
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func (fi *FeedbackInfo) String() string {
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return fmt.Sprintf("Original content to review: \n`\n%s\n`. \n\nIf you think the content is good as it is, please reply with \"No need to edit\". \nOtherwise, please provide your feedback.", fi.OriginalContent)
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}
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func (r ReviewAgent) Run(ctx context.Context, input *adk.AgentInput,
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options ...adk.AgentRunOption,
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) *adk.AsyncIterator[*adk.AgentEvent] {
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iter, gen := adk.NewAsyncIteratorPair[*adk.AgentEvent]()
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go func() {
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defer gen.Close()
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contentToReview, ok := adk.GetSessionValue(ctx, "content_to_review")
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if !ok {
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event := &adk.AgentEvent{
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Err: errors.New("content_to_review not found in session"),
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}
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gen.Send(event)
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return
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}
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feInfo := &FeedbackInfo{
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OriginalContent: contentToReview.(string),
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}
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event := adk.StatefulInterrupt(ctx, feInfo, contentToReview.(string))
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gen.Send(event)
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}()
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return iter
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}
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func (r ReviewAgent) Resume(ctx context.Context, info *adk.ResumeInfo,
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opts ...adk.AgentRunOption,
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) *adk.AsyncIterator[*adk.AgentEvent] {
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iter, gen := adk.NewAsyncIteratorPair[*adk.AgentEvent]()
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go func() {
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defer gen.Close()
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if !info.IsResumeTarget { // not explicitly resumed, interrupt with the same review content again
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event := adk.Interrupt(ctx, &FeedbackInfo{
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OriginalContent: info.InterruptState.(string),
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})
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gen.Send(event)
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return
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}
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if info.ResumeData == nil {
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event := &adk.AgentEvent{
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Err: errors.New("review agent receives nil resume data"),
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}
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gen.Send(event)
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return
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}
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feInfo, ok := info.ResumeData.(*FeedbackInfo)
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if !ok {
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event := &adk.AgentEvent{
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Err: errors.New("review agent receives invalid resume data"),
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}
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gen.Send(event)
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return
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}
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if feInfo.NoNeedToEdit {
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event := &adk.AgentEvent{
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Action: adk.NewExitAction(),
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}
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gen.Send(event)
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return
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}
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if feInfo.Feedback == nil {
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event := &adk.AgentEvent{
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Err: errors.New("feedback is nil"),
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}
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gen.Send(event)
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return
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}
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event := &adk.AgentEvent{
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Output: &adk.AgentOutput{
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MessageOutput: &adk.MessageVariant{
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IsStreaming: false,
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Message: &schema.Message{
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Role: schema.Assistant,
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Content: *feInfo.Feedback,
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},
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},
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},
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}
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gen.Send(event)
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}()
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return iter
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}
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