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96 lines
2.8 KiB
Go
96 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 eino
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import (
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"context"
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"encoding/json"
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"strings"
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"github.com/RanFeng/ilog"
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"github.com/cloudwego/eino-ext/components/tool/mcp"
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"github.com/cloudwego/eino/components/tool"
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"github.com/cloudwego/eino/compose"
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"github.com/cloudwego/eino-examples/flow/agent/deer-go/biz/consts"
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"github.com/cloudwego/eino-examples/flow/agent/deer-go/biz/infra"
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"github.com/cloudwego/eino-examples/flow/agent/deer-go/biz/model"
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)
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func search(ctx context.Context, name string, opts ...any) (output string, err error) {
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var searchTool tool.InvokableTool
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for _, cli := range infra.MCPServer {
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if searchTool != nil {
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break
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}
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ts, err := mcp.GetTools(ctx, &mcp.Config{Cli: cli})
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if err != nil {
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ilog.EventError(ctx, err, "builder_error")
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continue
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}
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for _, t := range ts {
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info, _ := t.Info(ctx)
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if strings.HasSuffix(info.Name, "search") {
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searchTool, _ = t.(tool.InvokableTool)
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break
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}
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}
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}
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err = compose.ProcessState[*model.State](ctx, func(_ context.Context, state *model.State) error {
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args := map[string]any{
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"query": state.Messages[len(state.Messages)-1].Content,
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}
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argsBytes, err := json.Marshal(args)
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if err != nil {
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ilog.EventError(ctx, err, "json_marshal_error")
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return err
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}
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result, err := searchTool.InvokableRun(ctx, string(argsBytes))
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if err != nil {
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ilog.EventError(ctx, err, "search_result_error")
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}
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ilog.EventDebug(ctx, "back_search_result", "result", result)
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state.BackgroundInvestigationResults = result
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return nil
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})
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return output, err
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}
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func bIRouter(ctx context.Context, input string, opts ...any) (output string, err error) {
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err = compose.ProcessState[*model.State](ctx, func(_ context.Context, state *model.State) error {
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defer func() {
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output = state.Goto
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}()
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state.Goto = consts.Planner
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return nil
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})
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return output, nil
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}
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func NewBAgent[I, O any](ctx context.Context) *compose.Graph[I, O] {
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cag := compose.NewGraph[I, O]()
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_ = cag.AddLambdaNode("search", compose.InvokableLambdaWithOption(search))
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_ = cag.AddLambdaNode("router", compose.InvokableLambdaWithOption(bIRouter))
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_ = cag.AddEdge(compose.START, "search")
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_ = cag.AddEdge("search", "router")
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_ = cag.AddEdge("router", compose.END)
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return cag
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}
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