You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
133 lines
3.4 KiB
Go
133 lines
3.4 KiB
Go
/*
|
|
* Copyright 2025 CloudWeGo Authors
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
package main
|
|
|
|
import (
|
|
"bufio"
|
|
"context"
|
|
"fmt"
|
|
"log"
|
|
"os"
|
|
"strings"
|
|
|
|
"github.com/cloudwego/eino/adk"
|
|
|
|
"github.com/cloudwego/eino-examples/adk/common/prints"
|
|
"github.com/cloudwego/eino-examples/adk/common/store"
|
|
"github.com/cloudwego/eino-examples/adk/common/tool"
|
|
)
|
|
|
|
func main() {
|
|
ctx := context.Background()
|
|
|
|
sv, err := buildFinancialSupervisor(ctx)
|
|
if err != nil {
|
|
log.Fatalf("build financial supervisor failed: %v", err)
|
|
}
|
|
|
|
runner := adk.NewRunner(ctx, adk.RunnerConfig{
|
|
EnableStreaming: true,
|
|
Agent: sv,
|
|
CheckPointStore: store.NewInMemoryStore(),
|
|
})
|
|
|
|
query := "Check my checking account balance, and then transfer $500 from checking to savings account."
|
|
fmt.Println("\n========================================")
|
|
fmt.Println("User Query:", query)
|
|
fmt.Println("========================================")
|
|
fmt.Println()
|
|
|
|
iter := runner.Query(ctx, query, adk.WithCheckPointID("supervisor-1"))
|
|
|
|
for {
|
|
lastEvent, interrupted := processEvents(iter)
|
|
if !interrupted {
|
|
break
|
|
}
|
|
|
|
interruptCtx := lastEvent.Action.Interrupted.InterruptContexts[0]
|
|
interruptID := interruptCtx.ID
|
|
|
|
fmt.Println("\n========================================")
|
|
fmt.Println("APPROVAL REQUIRED")
|
|
fmt.Println("========================================")
|
|
|
|
var apResult *tool.ApprovalResult
|
|
for {
|
|
scanner := bufio.NewScanner(os.Stdin)
|
|
fmt.Print("Approve this transaction? (Y/N): ")
|
|
scanner.Scan()
|
|
fmt.Println()
|
|
nInput := scanner.Text()
|
|
if strings.ToUpper(nInput) == "Y" {
|
|
apResult = &tool.ApprovalResult{Approved: true}
|
|
break
|
|
} else if strings.ToUpper(nInput) == "N" {
|
|
fmt.Print("Please provide a reason for denial: ")
|
|
scanner.Scan()
|
|
reason := scanner.Text()
|
|
fmt.Println()
|
|
apResult = &tool.ApprovalResult{Approved: false, DisapproveReason: &reason}
|
|
break
|
|
}
|
|
fmt.Println("Invalid input, please enter Y or N")
|
|
}
|
|
|
|
fmt.Println("\n========================================")
|
|
fmt.Println("Resuming execution...")
|
|
fmt.Println("========================================")
|
|
fmt.Println()
|
|
|
|
iter, err = runner.ResumeWithParams(ctx, "supervisor-1", &adk.ResumeParams{
|
|
Targets: map[string]any{
|
|
interruptID: apResult,
|
|
},
|
|
})
|
|
if err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
}
|
|
|
|
fmt.Println("\n========================================")
|
|
fmt.Println("Execution completed")
|
|
fmt.Println("========================================")
|
|
}
|
|
|
|
func processEvents(iter *adk.AsyncIterator[*adk.AgentEvent]) (*adk.AgentEvent, bool) {
|
|
var lastEvent *adk.AgentEvent
|
|
for {
|
|
event, ok := iter.Next()
|
|
if !ok {
|
|
break
|
|
}
|
|
if event.Err != nil {
|
|
log.Fatal(event.Err)
|
|
}
|
|
|
|
prints.Event(event)
|
|
lastEvent = event
|
|
}
|
|
|
|
if lastEvent == nil {
|
|
return nil, false
|
|
}
|
|
if lastEvent.Action != nil && lastEvent.Action.Interrupted != nil {
|
|
return lastEvent, true
|
|
}
|
|
return lastEvent, false
|
|
}
|