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114 lines
3.4 KiB
Go
114 lines
3.4 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 agent
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import (
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"context"
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"fmt"
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"strings"
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"github.com/cloudwego/eino/adk"
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"github.com/cloudwego/eino/adk/prebuilt/planexecute"
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"github.com/cloudwego/eino/components/prompt"
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"github.com/cloudwego/eino/compose"
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"github.com/cloudwego/eino/schema"
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"github.com/cloudwego/eino-examples/adk/common/model"
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"github.com/cloudwego/eino-examples/adk/multiagent/plan-execute-replan/tools"
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)
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func NewPlanner(ctx context.Context) (adk.Agent, error) {
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return planexecute.NewPlanner(ctx, &planexecute.PlannerConfig{
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ToolCallingChatModel: model.NewChatModel(),
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})
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}
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var executorPrompt = prompt.FromMessages(schema.FString,
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schema.SystemMessage(`You are a diligent and meticulous travel research executor, Follow the given plan and execute your tasks carefully and thoroughly.
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Execute each planning step by using available tools.
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For weather queries, use get_weather tool.
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For flight searches, use search_flights tool.
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For hotel searches, use search_hotels tool.
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For attraction research, use search_attractions tool.
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For user's clarification, use ask_for_clarification tool. In summary, repeat the questions and results to confirm with the user, try to avoid disturbing users'
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Provide detailed results for each task.
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Cloud Call multiple tools to get the final result.`),
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schema.UserMessage(`## OBJECTIVE
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{input}
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## Given the following plan:
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{plan}
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## COMPLETED STEPS & RESULTS
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{executed_steps}
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## Your task is to execute the first step, which is:
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{step}`))
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func formatInput(in []adk.Message) string {
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return in[0].Content
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}
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func formatExecutedSteps(in []planexecute.ExecutedStep) string {
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var sb strings.Builder
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for idx, m := range in {
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_, _ = fmt.Fprintf(&sb, "## %d. Step: %v\n Result: %v\n\n", idx+1, m.Step, m.Result)
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}
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return sb.String()
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}
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func NewExecutor(ctx context.Context) (adk.Agent, error) {
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// Get travel tools for the executor
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travelTools, err := tools.GetAllTravelTools(ctx)
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if err != nil {
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return nil, err
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}
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return planexecute.NewExecutor(ctx, &planexecute.ExecutorConfig{
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Model: model.NewChatModel(),
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ToolsConfig: adk.ToolsConfig{
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ToolsNodeConfig: compose.ToolsNodeConfig{
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Tools: travelTools,
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},
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},
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GenInputFn: func(ctx context.Context, in *planexecute.ExecutionContext) ([]adk.Message, error) {
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planContent, err_ := in.Plan.MarshalJSON()
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if err_ != nil {
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return nil, err_
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}
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firstStep := in.Plan.FirstStep()
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msgs, err_ := executorPrompt.Format(ctx, map[string]any{
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"input": formatInput(in.UserInput),
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"plan": string(planContent),
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"executed_steps": formatExecutedSteps(in.ExecutedSteps),
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"step": firstStep,
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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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return msgs, nil
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},
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})
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}
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func NewReplanAgent(ctx context.Context) (adk.Agent, error) {
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return planexecute.NewReplanner(ctx, &planexecute.ReplannerConfig{
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ChatModel: model.NewChatModel(),
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})
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}
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