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79 lines
2.8 KiB
Go
79 lines
2.8 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 einoagent
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import (
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"context"
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"github.com/cloudwego/eino-ext/components/retriever/redis"
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"github.com/cloudwego/eino/compose"
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"github.com/cloudwego/eino/flow/agent/react"
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"github.com/cloudwego/eino/schema"
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)
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type EinoAgentBuildConfig struct {
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ChatTemplateKeyOfChatTemplate *ChatTemplateConfig
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ReactAgentKeyOfLambda *react.AgentConfig
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RedisRetrieverKeyOfRetriever *redis.RetrieverConfig
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}
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type BuildConfig struct {
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EinoAgent *EinoAgentBuildConfig
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}
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func BuildEinoAgent(ctx context.Context, config *BuildConfig) (r compose.Runnable[*UserMessage, *schema.Message], err error) {
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const (
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InputToQuery = "InputToQuery"
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ChatTemplate = "ChatTemplate"
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ReactAgent = "ReactAgent"
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RedisRetriever = "RedisRetriever"
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InputToHistory = "InputToHistory"
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)
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g := compose.NewGraph[*UserMessage, *schema.Message]()
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_ = g.AddLambdaNode(InputToQuery, compose.InvokableLambdaWithOption(NewInputToQuery),
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compose.WithNodeName("UserMessageToQuery"))
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chatTemplateKeyOfChatTemplate, err := NewChatTemplate(ctx, config.EinoAgent.ChatTemplateKeyOfChatTemplate)
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if err != nil {
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return nil, err
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}
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_ = g.AddChatTemplateNode(ChatTemplate, chatTemplateKeyOfChatTemplate)
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reactAgentKeyOfLambda, err := NewReactAgent(ctx, config.EinoAgent.ReactAgentKeyOfLambda)
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if err != nil {
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return nil, err
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}
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_ = g.AddLambdaNode(ReactAgent, reactAgentKeyOfLambda, compose.WithNodeName("ReAct Agent"))
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redisRetrieverKeyOfRetriever, err := NewRedisRetriever(ctx, config.EinoAgent.RedisRetrieverKeyOfRetriever)
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if err != nil {
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return nil, err
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}
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_ = g.AddRetrieverNode(RedisRetriever, redisRetrieverKeyOfRetriever, compose.WithOutputKey("documents"))
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_ = g.AddLambdaNode(InputToHistory, compose.InvokableLambdaWithOption(NewInputToHistory),
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compose.WithNodeName("UserMessageToVariables"))
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_ = g.AddEdge(compose.START, InputToQuery)
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_ = g.AddEdge(compose.START, InputToHistory)
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_ = g.AddEdge(ReactAgent, compose.END)
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_ = g.AddEdge(InputToQuery, RedisRetriever)
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_ = g.AddEdge(RedisRetriever, ChatTemplate)
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_ = g.AddEdge(InputToHistory, ChatTemplate)
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_ = g.AddEdge(ChatTemplate, ReactAgent)
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r, err = g.Compile(ctx, compose.WithGraphName("EinoAgent"), compose.WithNodeTriggerMode(compose.AllPredecessor))
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if err != nil {
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return nil, err
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}
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return r, err
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}
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