coze-studio/backend/domain/agent/singleagent/internal/agentflow/node_persona_render.go

60 lines
1.7 KiB
Go

/*
* Copyright 2025 coze-dev 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 agentflow
import (
"context"
"fmt"
"github.com/cloudwego/eino/components/prompt"
"github.com/cloudwego/eino/schema"
"github.com/coze-dev/coze-studio/backend/pkg/lang/maps"
)
type personaRender struct {
persona string
personaVariableNames []string
// variables crossdomain.Variables
variables map[string]string
}
func (p *personaRender) RenderPersona(ctx context.Context, req *AgentRequest) (persona string, err error) {
variables := make(map[string]string, len(p.personaVariableNames))
for _, name := range p.personaVariableNames {
// First try to get from req.Variables
if val, ok := req.Variables[name]; ok {
variables[name] = val
continue
}
// Fall back to personaRender.variables
if val, ok := p.variables[name]; ok {
variables[name] = val
continue
}
variables[name] = ""
}
msgs, err := prompt.FromMessages(schema.Jinja2, schema.UserMessage(p.persona)).Format(ctx, maps.ToAnyValue(variables))
if err != nil {
return "", fmt.Errorf("render persona failed, err=%w", err)
}
return msgs[0].Content, nil
}